refactor(frontend): group components/ by responsibility (#293)#494

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AndresL230 merged 2 commits into from
Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293) #494

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38d0382
refactor(frontend): group components/ by responsibility (#293)
AndresL230 Jul 31, 2026
b72640f
fix(test): repoint two vi.mock specifiers that the move left behind (…
AndresL230 Jul 31, 2026
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2 changes: 1 addition & 1 deletion SECURITY.md
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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions docs/frontend-testids.md
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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion frontend/e2e/graph.spec.ts
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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
* Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
* the mastery class on the `graph-node-circle` mark. Kept in lockstep with
* frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
* frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
* these constants updates this table in the same PR).
*/
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions frontend/eslint-suppressions.json
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Expand Up@@ -50,42 +50,42 @@
"count": 2
}
},
"src/components/KnowledgeGraph2D.tsx": {
"react-hooks/exhaustive-deps": {
"src/components/SessionFeedbackGlobal.tsx": {
"react-hooks/set-state-in-effect": {
"count": 1
},
"react-hooks/refs": {
"count": 12
}
},
"src/components/KnowledgeGraph3D.test.tsx": {
"src/components/TopNav.test.tsx": {
"@typescript-eslint/no-explicit-any": {
"count": 6
"count": 3
}
},
"src/components/ModelToggle.tsx": {
"src/components/chat/ModelToggle.tsx": {
"react-hooks/set-state-in-effect": {
"count": 1
}
},
"src/components/SessionFeedbackGlobal.tsx": {
"src/components/chat/SharedContextToggle.tsx": {
"react-hooks/set-state-in-effect": {
"count": 1
}
},
"src/components/SharedContextToggle.tsx": {
"react-hooks/set-state-in-effect": {
"src/components/graph/KnowledgeGraph2D.tsx": {
"react-hooks/exhaustive-deps": {
"count": 1
},
"react-hooks/refs": {
"count": 12
}
},
"src/components/SignInModal.tsx": {
"react-hooks/set-state-in-effect": {
"count": 1
"src/components/graph/KnowledgeGraph3D.test.tsx": {
"@typescript-eslint/no-explicit-any": {
"count": 6
}
},
"src/components/TopNav.test.tsx": {
"@typescript-eslint/no-explicit-any": {
"count": 3
"src/components/marketing/SignInModal.tsx": {
"react-hooks/set-state-in-effect": {
"count": 1
}
},
"src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
"count": 1
}
}
}
}
10 changes: 5 additions & 5 deletions frontend/eslint.config.mjs
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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
// the browser suite, add its owning file to `files` below.
{
files: [
"src/components/SignInModal.tsx",
"src/components/marketing/SignInModal.tsx",
"src/app/pending/page.tsx",
"src/components/DocumentUploadModal.tsx",
"src/components/ChatPanel.tsx",
"src/components/chat/ChatPanel.tsx",
"src/components/QuizPanel.tsx",
"src/components/KnowledgeGraph.tsx",
"src/components/KnowledgeGraph2D.tsx",
"src/components/KnowledgeGraph3D.tsx",
"src/components/graph/KnowledgeGraph.tsx",
"src/components/graph/KnowledgeGraph2D.tsx",
"src/components/graph/KnowledgeGraph3D.tsx",
"src/components/ShellFrame.tsx",
"src/components/screens/Social.tsx",
"src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions frontend/src/app/(public)/page.tsx
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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
>
<div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
<button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
<img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

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Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
<span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
</button>
<div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
<footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
<div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
<div className="flex items-center gap-2">
<img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
<span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
</div>
<div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
display: 'flex', flexDirection: 'column', gap: 22,
}}>
<div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
<img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)

Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
<span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
</div>
<div>
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2 changes: 1 addition & 1 deletion frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx
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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx
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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
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2 changes: 1 addition & 1 deletion frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx
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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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0 frontend/src/components/FunctionPlot.tsx → ...tend/src/components/chat/FunctionPlot.tsx
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0 frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx
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0 frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx
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0 frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx
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0 frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx
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0 ...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx
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0 ...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx
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0 frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx
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0 ...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx
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0 frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx
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0 .../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx
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0 ...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx
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0 frontend/src/components/KnowledgeGraph3D.tsx → ...src/components/graph/KnowledgeGraph3D.tsx
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3 changes: 2 additions & 1 deletion frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx
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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
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0 frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx
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0 frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx
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2 changes: 1 addition & 1 deletion frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx
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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion frontend/src/components/screens/Dashboard.test.tsx
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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion frontend/src/components/screens/Dashboard.tsx
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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion frontend/src/components/screens/Learn.resume.test.ts
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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions frontend/src/components/screens/Learn.tsx
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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
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2 changes: 1 addition & 1 deletion frontend/src/components/screens/Library.tsx
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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
() => import("../MarkdownChat").then((m) => m.MarkdownChat),
() => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
{ ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
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2 changes: 1 addition & 1 deletion frontend/src/components/screens/Quiz.tsx
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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
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4 changes: 2 additions & 2 deletions frontend/src/components/screens/Study.tsx
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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
() => import("../MarkdownChat").then((m) => m.MarkdownChat),
() => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
{ ssr: false, loading: () => null },
);

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2 changes: 1 addition & 1 deletion frontend/src/components/screens/Tree.tsx
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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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 Merged

AndresL230
merged 2 commits into

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Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293)
#494
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38d0382

refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

Check warning
on line 537
in frontend/src/app/(public)/page.tsx

View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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in frontend/src/app/(public)/page.tsx

View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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frontend/src/components/FunctionPlot.tsx → ...tend/src/components/chat/FunctionPlot.tsx

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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph3D.tsx → ...src/components/graph/KnowledgeGraph3D.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
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4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293)
#494
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38d0382

refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

Check warning
on line 537
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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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in frontend/src/app/(public)/page.tsx

View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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0
frontend/src/components/FunctionPlot.tsx → ...tend/src/components/chat/FunctionPlot.tsx

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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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0
frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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0
...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph3D.tsx → ...src/components/graph/KnowledgeGraph3D.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
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4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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AndresL230
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Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293)
#494
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38d0382

refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

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Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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frontend/src/components/FunctionPlot.tsx → ...tend/src/components/chat/FunctionPlot.tsx

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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph3D.tsx → ...src/components/graph/KnowledgeGraph3D.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
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4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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AndresL230
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Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293)
#494
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38d0382

refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

Check warning
on line 537
in frontend/src/app/(public)/page.tsx

View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
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4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

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frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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refactor(frontend): group components/ by responsibility (#293)
#494
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38d0382

refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

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on line 537
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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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0
frontend/src/components/FunctionPlot.tsx → ...tend/src/components/chat/FunctionPlot.tsx

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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph3D.tsx → ...src/components/graph/KnowledgeGraph3D.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
Expand Down

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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
Expand Down

12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
Expand Down

4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293)
#494
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38d0382

refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

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on line 537
in frontend/src/app/(public)/page.tsx

View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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frontend/src/components/FunctionPlot.tsx → ...tend/src/components/chat/FunctionPlot.tsx

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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph3D.tsx → ...src/components/graph/KnowledgeGraph3D.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
Expand Down

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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
Expand Down

4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

Expand Down

2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
Expand Down
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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AndresL230
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Jul 31, 2026
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refactor(frontend): group components/ by responsibility (#293)
#494
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refactor(frontend): group components/ by responsibility (#293)


AndresL230 Jul 31, 2026
b72640f

fix(test): repoint two vi.mock specifiers that the move left behind (…


AndresL230 Jul 31, 2026

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2 changes: 1 addition & 1 deletion
SECURITY.md

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Expand Up@@ -10,7 +10,7 @@ The codebase is split into a FastAPI backend (`backend/`) and a Next.js frontend

### 1.1 Google OAuth 2.0 with PKCE

**Files:** `backend/routes/auth.py`, `frontend/src/components/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`
**Files:** `backend/routes/auth.py`, `frontend/src/components/marketing/SignInModal.tsx`, `frontend/src/app/auth/callback/page.tsx`, `frontend/src/app/api/auth/session/route.ts`

Sign-in is a full-page redirect to `${API_URL}/api/auth/google`. The backend drives the OAuth flow and the frontend never touches Google directly.

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6 changes: 3 additions & 3 deletions
docs/frontend-testids.md

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Expand Up@@ -66,12 +66,12 @@ renders the element.

| Surface | Prefix | Owning file(s) |
| --- | --- | --- |
| Sign-in | `signin` | `frontend/src/components/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Sign-in | `signin` | `frontend/src/components/marketing/SignInModal.tsx` (+ the trigger in `src/app/(public)/page.tsx`) |
| Approval gate | `pending` | `frontend/src/app/pending/page.tsx` |
| Upload modal | `upload-modal` | `frontend/src/components/DocumentUploadModal.tsx` |
| Tutor | `tutor` | `frontend/src/components/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Tutor | `tutor` | `frontend/src/components/chat/ChatPanel.tsx` (rendered by `screens/Learn.tsx`; + the session-resume rows in `src/components/screens/Learn.tsx` itself) |
| Quiz | `quiz` | `frontend/src/components/QuizPanel.tsx` (rendered by `screens/Quiz.tsx`) |
| Knowledge graph | `graph` | `frontend/src/components/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| Knowledge graph | `graph` | `frontend/src/components/graph/KnowledgeGraph.tsx` (wrapper: container root + mode toggle) plus `KnowledgeGraph2D.tsx`/`KnowledgeGraph3D.tsx` (the render/data-layer seam — hidden a11y node list, SVG node/edge marks, zoom controls — added with the #395 graph-integrity journey) |
| App shell | `app` | `frontend/src/components/ShellFrame.tsx` (the authed layout frame every `(shell)` route renders inside) |
| Study rooms | `social` | `frontend/src/components/screens/Social.tsx` (rooms sidebar, chat, overview, study match, directory — added with the #394 two-context journey) |
| Dashboard | `dashboard` | `frontend/src/components/screens/Dashboard.tsx` (rendered by `(shell)/dashboard/page.tsx`) |
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2 changes: 1 addition & 1 deletion
frontend/e2e/graph.spec.ts

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Expand Up@@ -63,7 +63,7 @@ function tierFor(score: number): Tier {
/**
 * Mirror of KnowledgeGraph2D's `masteryOpacity` — how the 2D graph ENCODES
 * the mastery class on the `graph-node-circle` mark. Kept in lockstep with
 * frontend/src/components/KnowledgeGraph2D.tsx (a redesign that retunes
 * frontend/src/components/graph/KnowledgeGraph2D.tsx (a redesign that retunes
 * these constants updates this table in the same PR).
 */
const TIER_OPACITY: Record<Tier, number> = {
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36 changes: 18 additions & 18 deletions
frontend/eslint-suppressions.json

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Expand Up@@ -50,42 +50,42 @@
 "count": 2
 }
 },
 "src/components/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "src/components/SessionFeedbackGlobal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/KnowledgeGraph3D.test.tsx": {
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 "count": 3
 }
 },
 "src/components/ModelToggle.tsx": {
 "src/components/chat/ModelToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SessionFeedbackGlobal.tsx": {
 "src/components/chat/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/SharedContextToggle.tsx": {
 "react-hooks/set-state-in-effect": {
 "src/components/graph/KnowledgeGraph2D.tsx": {
 "react-hooks/exhaustive-deps": {
 "count": 1
 },
 "react-hooks/refs": {
 "count": 12
 }
 },
 "src/components/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 "src/components/graph/KnowledgeGraph3D.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 6
 }
 },
 "src/components/TopNav.test.tsx": {
 "@typescript-eslint/no-explicit-any": {
 "count": 3
 "src/components/marketing/SignInModal.tsx": {
 "react-hooks/set-state-in-effect": {
 "count": 1
 }
 },
 "src/components/screens/Admin.tsx": {
Expand DownExpand Up@@ -165,4 +165,4 @@
 "count": 1
 }
 }
}
}

10 changes: 5 additions & 5 deletions
frontend/eslint.config.mjs

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Expand Up@@ -52,14 +52,14 @@ const eslintConfig = [
 // the browser suite, add its owning file to `files` below.
 {
 files: [
 "src/components/SignInModal.tsx",
 "src/components/marketing/SignInModal.tsx",
 "src/app/pending/page.tsx",
 "src/components/DocumentUploadModal.tsx",
 "src/components/ChatPanel.tsx",
 "src/components/chat/ChatPanel.tsx",
 "src/components/QuizPanel.tsx",
 "src/components/KnowledgeGraph.tsx",
 "src/components/KnowledgeGraph2D.tsx",
 "src/components/KnowledgeGraph3D.tsx",
 "src/components/graph/KnowledgeGraph.tsx",
 "src/components/graph/KnowledgeGraph2D.tsx",
 "src/components/graph/KnowledgeGraph3D.tsx",
 "src/components/ShellFrame.tsx",
 "src/components/screens/Social.tsx",
 "src/components/screens/Dashboard.tsx",
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6 changes: 3 additions & 3 deletions
frontend/src/app/(public)/page.tsx

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Expand Up@@ -6,8 +6,8 @@
import { useUser } from '@/context/UserContext';
import { useScrollLock } from '@/lib/useScrollLock';
import { Network, Sparkles, FilePlus2, Brain, CalendarClock, Users, PenSquare } from 'lucide-react';
import SignInModal from '@/components/SignInModal';
import { HeroCard } from '@/components/HeroCard';
import SignInModal from '@/components/marketing/SignInModal';
import { HeroCard } from '@/components/marketing/HeroCard';
import { BRAND_FOREST } from '@/lib/brand';
import { Button } from "@/components/ui";
import { IS_TEST_MODE, random, now } from '@/lib/testMode';
Expand All@@ -18,7 +18,7 @@
// ssr:false would drop it from the HTML crawlers see — the one page where
// that matters). The placeholder mirrors the section's own 340vh scroll
// height so layout below doesn't shift during client-side chunk loads.
const HowItWorks = dynamic(() => import('@/components/HowItWorks'), {
const HowItWorks = dynamic(() => import('@/components/marketing/HowItWorks'), {
 loading: () => <section id="how-it-works" className="landing-section relative" style={{ height: '340vh' }} />,
});

Expand DownExpand Up@@ -534,7 +534,7 @@
 >
 <div className="max-w-[88%] mx-auto flex items-center justify-between w-full">
 <button type="button" aria-label="Sapling — scroll to top" className="flex items-center cursor-pointer group" style={{ gap: '4px' }} onClick={() => window.scrollTo({ top: 0, behavior: 'smooth' })}>
 <img src="/sapling-icon.svg" alt="" style={{ width: '26px', height: '26px', flexShrink: 0, position: 'relative', top: '-2px' }} />

Check warning
on line 537
in frontend/src/app/(public)/page.tsx

View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: '20px', color: 'var(--brand-forest)', letterSpacing: '-0.02em', lineHeight: 1.1 }}>Sapling</span>
 </button>
 <div className="flex items-center">
Expand DownExpand Up@@ -750,7 +750,7 @@
 <footer className="landing-section border-t border-white/35 py-12 px-8 relative z-10">
 <div className="max-w-7xl mx-auto flex flex-col md:flex-row items-center justify-between gap-6">
 <div className="flex items-center gap-2">
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: '20px', height: '20px' }} />

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Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span className="text-sm font-light tracking-wide text-[var(--text-dim)]">Sapling · © 2026</span>
 </div>
 <div className="flex flex-wrap justify-center gap-6">
Expand DownExpand Up@@ -833,7 +833,7 @@
 display: 'flex', flexDirection: 'column', gap: 22,
 }}>
 <div style={{ display: 'flex', alignItems: 'center', gap: 6 }}>
 <img src="/sapling-icon.svg" alt="Sapling" style={{ width: 22, height: 22 }} />

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View workflow job for this annotation
GitHub Actions/ Frontend (lint + tsc + vitest)
Using `<img>` could result in slower LCP and higher bandwidth. Consider using `<Image />` from `next/image` or a custom image loader to automatically optimize images. This may incur additional usage or cost from your provider. See: https://nextjs.org/docs/messages/no-img-element
 <span style={{ fontFamily: "var(--font-spectral), 'Spectral', Georgia, serif", fontWeight: 700, fontSize: 17, color: 'var(--brand-forest)', letterSpacing: '-0.02em' }}>Sapling</span>
 </div>
 <div>
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2 changes: 1 addition & 1 deletion
frontend/src/components/AIDisclaimerChip.tsx → .../src/components/chat/AIDisclaimerChip.tsx

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@@ -1,7 +1,7 @@
"use client";

import React, { useState } from "react";
import { DisclaimerModal } from "./DisclaimerModal";
import { DisclaimerModal } from "../DisclaimerModal";

export function AIDisclaimerChip() {
 const [tooltipVisible, setTooltipVisible] = useState(false);
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.test.tsx → ...nd/src/components/chat/ChatPanel.test.tsx

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Expand Up@@ -17,7 +17,7 @@ import { render, screen, cleanup, fireEvent } from "@testing-library/react";

import { ChatPanel, type ChatMsg } from "./ChatPanel";

vi.mock("./Icon", () => ({ Icon: () => null }));
vi.mock("../Icon", () => ({ Icon: () => null }));
// MarkdownChat is lazy-loaded via next/dynamic (heavy markdown stack); render
// plain text in its place so assertions see the message content synchronously.
vi.mock("next/dynamic", () => ({
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2 changes: 1 addition & 1 deletion
frontend/src/components/ChatPanel.tsx → frontend/src/components/chat/ChatPanel.tsx

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Expand Up@@ -2,7 +2,7 @@

import React, { useEffect, useRef, useState } from "react";
import dynamic from "next/dynamic";
import { Icon } from "./Icon";
import { Icon } from "../Icon";

// MarkdownChat statically imports mermaid, katex, highlight.js, and the
// remark/rehype stack. Static-importing it from a client component still
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frontend/src/components/MarkdownChat.tsx → ...tend/src/components/chat/MarkdownChat.tsx

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frontend/src/components/MermaidBlock.tsx → ...tend/src/components/chat/MermaidBlock.tsx

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frontend/src/components/ModelToggle.tsx → frontend/src/components/chat/ModelToggle.tsx

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frontend/src/components/SessionSummary.tsx → ...nd/src/components/chat/SessionSummary.tsx

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...c/components/SharedContextToggle.test.tsx → ...ponents/chat/SharedContextToggle.test.tsx

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...nd/src/components/SharedContextToggle.tsx → ...c/components/chat/SharedContextToggle.tsx

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frontend/src/components/KnowledgeGraph.tsx → ...d/src/components/graph/KnowledgeGraph.tsx

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...onents/KnowledgeGraph2D.testmode.test.tsx → .../graph/KnowledgeGraph2D.testmode.test.tsx

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frontend/src/components/KnowledgeGraph2D.tsx → ...src/components/graph/KnowledgeGraph2D.tsx

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.../src/components/KnowledgeGraph3D.test.tsx → ...omponents/graph/KnowledgeGraph3D.test.tsx

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...onents/KnowledgeGraph3D.testmode.test.tsx → .../graph/KnowledgeGraph3D.testmode.test.tsx

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3 changes: 2 additions & 1 deletion
frontend/src/components/HeroCard.test.tsx → ...rc/components/marketing/HeroCard.test.tsx

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Expand Up@@ -16,7 +16,8 @@ import { render, screen, cleanup } from '@testing-library/react';

import { HeroCard } from './HeroCard';

const SRC = path.resolve(__dirname, '..');
// __dirname is components/marketing/, so src/ is two levels up.
const SRC = path.resolve(__dirname, '../..');
const GLOBALS = path.join(SRC, 'app/globals.css');

/** The literal that used to be inlined at all five sites. */
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frontend/src/components/HeroCard.tsx → ...end/src/components/marketing/HeroCard.tsx

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frontend/src/components/HowItWorks.tsx → ...d/src/components/marketing/HowItWorks.tsx

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2 changes: 1 addition & 1 deletion
frontend/src/components/SignInModal.tsx → .../src/components/marketing/SignInModal.tsx

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Expand Up@@ -3,7 +3,7 @@ import { useCallback, useEffect, useRef, useState } from "react";
import { useRouter } from "next/navigation";
import { useUser } from "@/context/UserContext";
import { useScrollLock } from "@/lib/useScrollLock";
import { HeroCard } from "@/components/HeroCard";
import { HeroCard } from "@/components/marketing/HeroCard";

const API_URL = process.env.NEXT_PUBLIC_API_URL ?? "";
const POPUP_TIMEOUT_MS = 3 * 60 * 1000;
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.test.tsx

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Expand Up@@ -39,7 +39,7 @@ vi.mock("@/lib/useIsMobile", () => ({ useIsMobile: () => false }));
const layoutState = vi.hoisted(() => ({ pref: "topnav" }));
vi.mock("@/lib/useLayoutPref", () => ({ useLayoutPref: () => [layoutState.pref, vi.fn()] }));

vi.mock("../KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../graph/KnowledgeGraph", () => ({ KnowledgeGraph: () => null }));
vi.mock("../ManageCoursesModal", () => ({ ManageCoursesModal: () => null }));
vi.mock("../Skeleton", () => ({ DashboardSkeleton: () => null }));
vi.mock("../MiniStat", () => ({ MiniStat: () => null }));
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Dashboard.tsx

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Expand Up@@ -5,7 +5,7 @@ import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { MiniStat } from "../MiniStat";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { ManageCoursesModal } from "../ManageCoursesModal";
import { DashboardSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Learn.resume.test.ts

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Expand Up@@ -14,7 +14,7 @@
import { describe, it, expect } from "vitest";

import { readResumeParam, removeInterruptedTurn } from "./Learn";
import type { ChatMsg } from "../ChatPanel";
import type { ChatMsg } from "../chat/ChatPanel";

describe("readResumeParam (#164)", () => {
 it("reads ?resume=", () => {
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12 changes: 6 additions & 6 deletions
frontend/src/components/screens/Learn.tsx

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Expand Up@@ -6,15 +6,15 @@ import { ChevronLeft } from "lucide-react";
import { TopBar } from "../TopBar";
import { Icon } from "../Icon";
import { CustomSelect } from "../CustomSelect";
import { ChatPanel, type ChatMsg } from "../ChatPanel";
import { ChatPanel, type ChatMsg } from "../chat/ChatPanel";
import { FullHeightScreen } from "../FullHeightScreen";
import { SessionSummary } from "../SessionSummary";
import { SharedContextToggle, useSharedContext } from "../SharedContextToggle";
import { ModelToggle, useModelPref } from "../ModelToggle";
import { SessionSummary } from "../chat/SessionSummary";
import { SharedContextToggle, useSharedContext } from "../chat/SharedContextToggle";
import { ModelToggle, useModelPref } from "../chat/ModelToggle";
import { Toggle } from "@/components/ui";
import { DisclaimerModal } from "../DisclaimerModal";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { useToast } from "../ToastProvider";
import { useConfirm } from "@/lib/useConfirm";
import { useIsMobile } from "@/lib/useIsMobile";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Library.tsx

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Expand Up@@ -12,7 +12,7 @@ import { LibraryGridSkeleton, LibraryListSkeleton } from "../Skeleton";
// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);
import { useToast } from "../ToastProvider";
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2 changes: 1 addition & 1 deletion
frontend/src/components/screens/Quiz.tsx

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Expand Up@@ -4,7 +4,7 @@ import React, { Suspense, useEffect, useMemo, useState } from "react";
import { useRouter, useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { FullHeightScreen } from "../FullHeightScreen";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { DisclaimerModal } from "../DisclaimerModal";
import { QuizPanel } from "../QuizPanel";
import { useUser } from "@/context/UserContext";
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4 changes: 2 additions & 2 deletions
frontend/src/components/screens/Study.tsx

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Expand Up@@ -3,15 +3,15 @@ import React from "react";
import dynamic from "next/dynamic";
import { useSearchParams } from "next/navigation";
import { TopBar } from "../TopBar";
import { AIDisclaimerChip } from "../AIDisclaimerChip";
import { AIDisclaimerChip } from "../chat/AIDisclaimerChip";
import { Icon } from "../Icon";
import { FilterPills } from "@/components/ui";
import { CustomSelect } from "../CustomSelect";

// Lazy-load to keep mermaid/katex/highlight.js out of the OpenNext
// server bundle. See ChatPanel.tsx for the rationale.
const MarkdownChat = dynamic(
 () => import("../MarkdownChat").then((m) => m.MarkdownChat),
 () => import("../chat/MarkdownChat").then((m) => m.MarkdownChat),
 { ssr: false, loading: () => null },
);

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frontend/src/components/screens/Tree.tsx

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Expand Up@@ -6,7 +6,7 @@ import { Icon } from "../Icon";
import { useScrollLock } from "@/lib/useScrollLock";
import { Pill } from "../Pill";
import { FilterPills } from "@/components/ui";
import { KnowledgeGraph } from "../KnowledgeGraph";
import { KnowledgeGraph } from "../graph/KnowledgeGraph";
import { FullHeightScreen } from "../FullHeightScreen";
import { GraphPanelSkeleton } from "../Skeleton";
import { useUser } from "@/context/UserContext";
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