Extract changed files card with compact aligned diff stats

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

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• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

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[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

Important

Review skipped

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Use the checkbox below for a quick retry:

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

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[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: c8712f85-9588-46a3-9b92-9190af520f97

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

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[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: c8712f85-9588-46a3-9b92-9190af520f97

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Use the checkbox below for a quick retry:

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

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[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: c8712f85-9588-46a3-9b92-9190af520f97

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: c8712f85-9588-46a3-9b92-9190af520f97

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: c8712f85-9588-46a3-9b92-9190af520f97

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ui/changed-files-card

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).

[juliusmarminge]

Ports the changed-files part of #2451 by @sandersonstabo, rebased onto current main.

• Extracts a ChangedFilesCard (header + tree) using the tool-call-card surface, replacing the old heavy inline card in the timeline; the sticky header behavior main added recently is preserved
• DiffStatLabel renders +/- counts in a fixed 4ch-aligned grid with font-mono tabular-nums for easy vertical scanning, collapsing large counts to k/m/b
• Root-level changed files are no longer indented as if inside a directory; tree rows get consistent rounded hover/focus styling

Part of splitting #2451 into reviewable frontend-only pieces.

🤖 Generated with Claude Code

---

Note

Low Risk
Frontend-only chat UI refactor; no API, auth, or data-path changes.

Overview
Refactors the assistant changed files block into a shared ChangedFilesCard (rounded card surface, sticky header with file count, aggregate +/- stats, Expand all / View diff, then the tree). MessagesTimeline no longer builds that header inline—it wires store expand state into the card.

DiffStatLabel now formats large counts with k/m/b suffixes and supports layout (inline in the card header vs default 4ch-aligned grid for tree rows), with optional className.

ChangedFilesTree row styling shifts to rounded-xl accent hover and focus rings; root-level file rows skip the chevron spacer when there are no directory nodes.

^{Reviewed by Cursor Bugbot for commit 7a4feab. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Extract changed files into ChangedFilesCard with compact aligned diff stats

• Introduces a new ChangedFilesCard component in ChangedFilesTree.tsx that wraps the file tree in a card with a sticky header showing file count, diff stats, and expand/collapse and view-diff buttons.
• Extends DiffStatLabel in DiffStatLabel.tsx with an layout prop ('aligned' | 'inline') and compact number formatting (e.g. 1.2k, 3m); removes the slash separator between add/delete counts.
• Replaces the inline changed-files header in MessagesTimeline.tsx with the new ChangedFilesCard, preserving expand/collapse and view-diff behavior.
• Behavioral Change: top-level files with no directory siblings no longer render a leading spacer, shifting icons and text left in flat file lists.

📊 Macroscope summarized aaec49a. 3 files reviewed, 0 issues evaluated, 0 issues filtered, 0 comments posted

🗂️ Filtered Issues

No issues evaluated.

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[macroscopeapp]

Approvability

Verdict: Approved

UI component extraction and styling updates with no runtime behavior changes. The open review comment identifies a minor CSS grid width issue (low severity) that may cause text overflow for large formatted numbers.

^{You can customize Macroscope's approvability policy. Learn more.}

[github-actions]

🚀 Expo continuous deployment is ready!

• Project → t3-code
• Platforms → android, ios
• Scheme → t3code-preview

	🤖 Android	🍎 iOS
Fingerprint	ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e	313e506a7f15a9c3f15b01d787d68a12382432bf
Build Details	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e App version: 0.1.0 Git commit: 10261202c84fe6d78e961e9305058c07d097a897	Build Permalink Details Distribution: INTERNAL Build profile: preview:dev Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf App version: 0.1.0 Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update Details	Update Permalink Details Branch: pr-3023 Runtime version: ae17d94b35f91f9c608a63dadbc3ddd9f4ba056e Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246	Update Permalink Details Branch: pr-3023 Runtime version: 313e506a7f15a9c3f15b01d787d68a12382432bf Git commit: 4f3c95780c371f4accc1c31e514028d394d6c246
Update QR

Dismissing prior approval to re-evaluate dcc52e4

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Overflow hidden breaks sticky header
  • Replaced overflow-hidden with overflow-clip on the card wrapper, which clips content to the border-radius without creating a scroll container that would break sticky positioning.

Or push these changes by commenting:

@cursor push 9af219b96d

Preview (9af219b96d)

diff --git a/apps/web/src/components/chat/ChangedFilesTree.tsx b/apps/web/src/components/chat/ChangedFilesTree.tsx--- a/apps/web/src/components/chat/ChangedFilesTree.tsx+++ b/apps/web/src/components/chat/ChangedFilesTree.tsx@@ -33,8 +33,8 @@
const summaryStat = useMemo(() => summarizeTurnDiffStats(files), [files]);
return (
- <div className="mt-4 rounded-2xl border border-input bg-card/40 p-2 pt-4 shadow-xs/5 not-dark:bg-clip-padding">- <div className="sticky top-2 z-10 mb-3 flex items-center justify-between gap-2 bg-card/72 px-2 backdrop-blur-md before:absolute before:inset-x-0 before:-top-4 before:h-4 before:bg-inherit before:content-['']">+ <div className="mt-4 overflow-clip rounded-2xl border border-input bg-card/40 p-2 pt-0 shadow-xs/5 not-dark:bg-clip-padding">+ <div className="sticky top-0 z-10 -mx-2 mb-3 flex items-center justify-between gap-2 bg-card/72 px-4 py-4 backdrop-blur-md">
<p className="flex self-start items-center gap-1 font-medium text-foreground text-xs leading-4">
<span>{files.length} changed files</span>
{hasNonZeroStat(summaryStat) && (

_{You can send follow-ups to the cloud agent here.}

^{Reviewed by Cursor Bugbot for commit d7d59a92476207ba4eb9b0e26f215d500e454edc. Configure here.}

Dismissing prior approval to re-evaluate aaec49a

[macroscopeapp]

🟢 Lowchat/DiffStatLabel.tsx:37

The grid column width grid-cols-[4ch_4ch] is too narrow for formatted values. formatCompactDiffCount can return strings like "9.9k" (for 9900), and after prepending the +/- sign the cell content becomes "+9.9k" — 5 characters, which overflows a 4ch column. This breaks the aligned layout. Change 4ch to 5ch to accommodate the longest possible formatted output.

Suggested change

	: "inline-grid grid-cols-[4ch_4ch] gap-2 text-right tabular-nums align-middle",
	: "inline-grid grid-cols-[5ch_5ch] gap-2 text-right tabular-nums align-middle",

🚀 Reply "fix it for me" or copy this AI Prompt for your agent:

In file @apps/web/src/components/chat/DiffStatLabel.tsx around line 37:
The grid column width `grid-cols-[4ch_4ch]` is too narrow for formatted values. `formatCompactDiffCount` can return strings like `"9.9k"` (for 9900), and after prepending the `+`/`-` sign the cell content becomes `"+9.9k"` — 5 characters, which overflows a `4ch` column. This breaks the aligned layout. Change `4ch` to `5ch` to accommodate the longest possible formatted output.
Evidence trail:
apps/web/src/components/chat/DiffStatLabel.tsx lines 8-20 (formatCompactDiffCount function), line 37 (grid-cols-[4ch_4ch]), lines 41-42 (+ and - prefix with font-mono class). Trace: formatCompactDiffCount(9900) → k=9.9, k<10, 9.9.toFixed(1)='9.9', no .0 to replace → '9.9k' (4 chars). Line 41 prepends '+' → '+9.9k' (5 chars) in a 4ch column. Also: formatCompactDiffCount(999999) → k=999.999, k>=10, Math.round(999.999)=1000 → '1000k' (5 chars) → '+1000k' (6 chars).