feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
olafura wants to merge 2 commits into from
Closed

feat(server): export and import threads between T3 state directories #7708

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
e7acf55
feat(server): list threads in a T3 state directory
olafura Aug 20, 2026
94240e5
feat(server): export and import threads between T3 state directories
olafura Aug 20, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
44 changes: 44 additions & 0 deletions apps/server/scripts/export-thread.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
"export-thread",
{
source: threadTransferFlags.directory("source"),
state: threadTransferFlags.state,
threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
Flag.withDefault(false),
Flag.withDescription("Include persisted terminal history, which may contain secrets."),
),
},
({ source, state, threadId, output, includeTerminalLogs }) =>
Effect.gen(function* () {
const result = yield* exportThread({
source,
state,
threadId,
output,
includeTerminalLogs,
});
yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
yield* Console.log(
` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
);
}),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
Effect.provide(NodeServices.layer),
NodeRuntime.runMain,
);
}
61 changes: 61 additions & 0 deletions apps/server/scripts/import-thread.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
"import-thread",
{
archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
destination: threadTransferFlags.directory("destination"),
state: threadTransferFlags.state,
targetProjectId: Flag.string("target-project-id").pipe(
Flag.optional,
Flag.withDescription("Project id when it cannot be inferred from the destination path."),
),
dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
Flag.withDefault(false),
Flag.withDescription(
"Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
),
),
},
({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
Effect.gen(function* () {
const result = yield* importThread({
archive,
destination,
state,
targetProjectId: Option.getOrUndefined(targetProjectId),
dangerousAllowT3Directory,
});
yield* Console.log(
`Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
);
yield* Console.log(
` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
);
yield* Console.log(` Database backup: ${result.backup}`);
if (result.droppedWorktreePaths.length > 0) {
yield* Console.log(
` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
);
}
yield* Console.log(
"Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
);
}),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
Effect.provide(NodeServices.layer),
NodeRuntime.runMain,
);
}
202 changes: 202 additions & 0 deletions apps/server/scripts/list-threads.test.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
readonly stateDir: string;
readonly projects: ReadonlyArray<{
readonly projectId: string;
readonly workspaceRoot: string;
readonly deletedAt?: string;
}>;
readonly threads: ReadonlyArray<{
readonly threadId: string;
readonly projectId: string;
readonly title: string;
readonly updatedAt: string;
readonly deletedAt?: string;
}>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
input: FixtureInput,
) {
const fs = yield* FileSystem.FileSystem;
const path = yield* Path.Path;
const databasePath = path.join(input.stateDir, "state.sqlite");
yield* fs.makeDirectory(input.stateDir, { recursive: true });
yield* Effect.gen(function* () {
const sql = yield* SqlClient.SqlClient;
yield* sql`CREATE TABLE projection_projects (
project_id TEXT PRIMARY KEY,
title TEXT NOT NULL,
workspace_root TEXT NOT NULL,
updated_at TEXT NOT NULL,
deleted_at TEXT
)`;
yield* sql`CREATE TABLE projection_threads (
thread_id TEXT PRIMARY KEY,
project_id TEXT NOT NULL,
title TEXT NOT NULL,
updated_at TEXT NOT NULL,
deleted_at TEXT
)`;
for (const project of input.projects) {
yield* sql`INSERT INTO projection_projects (
project_id, title, workspace_root, updated_at, deleted_at
) VALUES (
${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
'2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
)`;
}
for (const thread of input.threads) {
yield* sql`INSERT INTO projection_threads (
thread_id, project_id, title, updated_at, deleted_at
) VALUES (
${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
${thread.deletedAt ?? null}
)`;
}
}).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
it.effect("lists live projects and threads, newest thread first", () =>
Effect.gen(function* () {
const fs = yield* FileSystem.FileSystem;
const path = yield* Path.Path;
const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
const workspace = path.join(root, "workspace");
const otherWorkspace = path.join(root, "other");
yield* createFixtureDatabase({
stateDir: path.join(workspace, ".t3", "userdata"),
projects: [
{ projectId: "project-b", workspaceRoot: otherWorkspace },
{ projectId: "project-a", workspaceRoot: workspace },
{
projectId: "project-gone",
workspaceRoot: path.join(root, "gone"),
deletedAt: "2026-08-21T13:00:00.000Z",
},
],
threads: [
{
threadId: "thread-old",
projectId: "project-a",
title: "Older thread",
updatedAt: "2026-08-19T12:00:00.000Z",
},
{
threadId: "thread-new",
projectId: "project-b",
title: "Newer\tthread",
updatedAt: "2026-08-20T12:00:00.000Z",
},
{
threadId: "thread-gone",
projectId: "project-a",
title: "Deleted thread",
updatedAt: "2026-08-21T12:00:00.000Z",
deletedAt: "2026-08-21T13:00:00.000Z",
},
],
});

const listing = yield* listThreads({ source: workspace });
assert.deepStrictEqual(listing, {
projects: [
{
id: "project-b",
title: "Project project-b",
workspaceRoot: otherWorkspace,
updatedAt: "2026-08-20T12:00:00.000Z",
},
{
id: "project-a",
title: "Project project-a",
workspaceRoot: workspace,
updatedAt: "2026-08-20T12:00:00.000Z",
},
],
threads: [
{
id: "thread-new",
title: "Newer\tthread",
projectId: "project-b",
projectTitle: "Project project-b",
workspaceRoot: otherWorkspace,
updatedAt: "2026-08-20T12:00:00.000Z",
},
{
id: "thread-old",
title: "Older thread",
projectId: "project-a",
projectTitle: "Project project-a",
workspaceRoot: workspace,
updatedAt: "2026-08-19T12:00:00.000Z",
},
],
});
}),
);

it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
Effect.gen(function* () {
const fs = yield* FileSystem.FileSystem;
const path = yield* Path.Path;
const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
const baseDir = path.join(root, ".t3");
const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
yield* createFixtureDatabase({
stateDir: path.join(baseDir, "userdata"),
projects: [{ projectId: "project-userdata", workspaceRoot: root }],
threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
});
yield* createFixtureDatabase({
stateDir: path.join(baseDir, "dev"),
projects: [{ projectId: "project-dev", workspaceRoot: root }],
threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
});

const fromBase = yield* listThreads({ source: baseDir });
assert.deepStrictEqual(
fromBase.threads.map((entry) => entry.id),
["thread-userdata"],
);
const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
assert.deepStrictEqual(fromStateDir, fromBase);
const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
assert.deepStrictEqual(
fromDev.projects.map((entry) => entry.id),
["project-dev"],
);
assert.deepStrictEqual(
fromDev.threads.map((entry) => entry.id),
["thread-dev"],
);
}),
);

it.effect("reports every location it probed when no database exists", () =>
Effect.gen(function* () {
const fs = yield* FileSystem.FileSystem;
const path = yield* Path.Path;
const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
const error = yield* listThreads({ source: root }).pipe(Effect.flip);
assert.instanceOf(error, ThreadTransferError);
assert.equal(error.operation, "resolve directory");
assert.equal(
error.detail,
`No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
);
}),
);
});
60 changes: 60 additions & 0 deletions apps/server/scripts/list-threads.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
"list-threads",
{
source: threadTransferFlags.directory("source"),
state: threadTransferFlags.state,
json: Flag.boolean("json").pipe(
Flag.withDefault(false),
Flag.withDescription("Print the complete thread list as JSON."),
),
},
({ source, state, json }) =>
Effect.gen(function* () {
const listing = yield* listThreads({ source, state });
if (json) {
yield* Console.log(yield* encodeListing(listing));
return;
}
if (listing.projects.length === 0) {
yield* Console.log("No projects found.");
} else {
yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
for (const project of listing.projects) {
yield* Console.log(
`${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
);
}
}
yield* Console.log("");
if (listing.threads.length === 0) {
yield* Console.log("No threads found.");
return;
}
yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
for (const thread of listing.threads) {
yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
}
}),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
Effect.provide(NodeServices.layer),
NodeRuntime.runMain,
);
}
8 changes: 5 additions & 3 deletions apps/server/scripts/migrate-dev-db.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
* wal_checkpoint(TRUNCATE) reports busy while another connection holds the
* WAL. A leftover -shm alone is not a signal — read-only connections cannot
* clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
databasePath: string,
) {
const fs = yield* FileSystem.FileSystem;
const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
}

yield* fs.makeDirectory(stateDir, { recursive: true });
yield* ensureNotInUse(databasePath);
yield* ensureDevDbNotInUse(databasePath);

const wrapPhase =
(phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
yield* Console.log(`Compacting into ${databasePath}...`);
// Re-check right before the swap: a dev server started while the
// snapshot was migrating and pruning must not lose its database.
yield* ensureNotInUse(databasePath);
yield* ensureDevDbNotInUse(databasePath);
yield* removeDatabaseFiles(databasePath);
yield* Effect.gen(function* () {
const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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" + '

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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('^' + ".*" + '

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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('^' + ".*" + '

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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" + '

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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('^' + ".*" + '

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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('^' + ".*" + '

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
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); }
})();
})();

Skip to content
feat(server): export and import threads between T3 state directories#7708

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

 Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and
privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Closed

olafura
wants to merge
2
commits into

from

 Closed


feat(server): export and import threads between T3 state directories
#7708
Show file tree
Hide file tree
 Changes from all commits
Commits

Show all changes


2 commits


Select commit
Hold shift + click to select a range
e7acf55

feat(server): list threads in a T3 state directory


olafura Aug 20, 2026
94240e5

feat(server): export and import threads between T3 state directories


olafura Aug 20, 2026

File filter

Filter by extension
Filter by extension
Conversations

Failed to load comments. 
Loading
Jump to

Jump to file


Failed to load files. 
Loading
 Diff view

 Diff view


44 changes: 44 additions & 0 deletions
apps/server/scripts/export-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,44 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import { Command, Flag } from "effect/unstable/cli";

import { exportThread, threadTransferFlags } from "./thread-transfer.ts";

export const exportThreadCommand = Command.make(
 "export-thread",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 threadId: Flag.string("thread-id").pipe(Flag.withDescription("Thread to export.")),
 output: Flag.string("output").pipe(Flag.withDescription("Archive JSON file to create.")),
 includeTerminalLogs: Flag.boolean("include-terminal-logs").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Include persisted terminal history, which may contain secrets."),
 ),
 },
 ({ source, state, threadId, output, includeTerminalLogs }) =>
 Effect.gen(function* () {
 const result = yield* exportThread({
 source,
 state,
 threadId,
 output,
 includeTerminalLogs,
 });
 yield* Console.log(`Exported '${result.title}' (${result.threadId}) to ${result.output}`);
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 }),
).pipe(Command.withDescription("Export one T3 thread and its supporting files."));

if (import.meta.main) {
 Command.run(exportThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

61 changes: 61 additions & 0 deletions
apps/server/scripts/import-thread.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,61 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import { Command, Flag } from "effect/unstable/cli";

import { importThread, threadTransferFlags } from "./thread-transfer.ts";

export const importThreadCommand = Command.make(
 "import-thread",
 {
 archive: Flag.string("archive").pipe(Flag.withDescription("Thread archive JSON to import.")),
 destination: threadTransferFlags.directory("destination"),
 state: threadTransferFlags.state,
 targetProjectId: Flag.string("target-project-id").pipe(
 Flag.optional,
 Flag.withDescription("Project id when it cannot be inferred from the destination path."),
 ),
 dangerousAllowT3Directory: Flag.boolean("dangerous-allow-t3-directory").pipe(
 Flag.withDefault(false),
 Flag.withDescription(
 "Allow importing into the live ~/.t3/userdata database. Stop the T3 server that uses it first.",
 ),
 ),
 },
 ({ archive, destination, state, targetProjectId, dangerousAllowT3Directory }) =>
 Effect.gen(function* () {
 const result = yield* importThread({
 archive,
 destination,
 state,
 targetProjectId: Option.getOrUndefined(targetProjectId),
 dangerousAllowT3Directory,
 });
 yield* Console.log(
 `Imported '${result.title}' (${result.threadId}) into ${result.targetProjectTitle}`,
 );
 yield* Console.log(
 ` ${result.eventCount} events, ${result.attachmentCount} attachments, ${result.terminalLogCount} terminal logs`,
 );
 yield* Console.log(` Database backup: ${result.backup}`);
 if (result.droppedWorktreePaths.length > 0) {
 yield* Console.log(
 ` Cleared worktree paths missing here (the thread will use the project workspace): ${result.droppedWorktreePaths.join(", ")}`,
 );
 }
 yield* Console.log(
 "Start the destination T3 server; it rebuilds the thread's read model from the imported events.",
 );
 }),
).pipe(Command.withDescription("Import one T3 thread into an isolated project database."));

if (import.meta.main) {
 Command.run(importThreadCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

202 changes: 202 additions & 0 deletions
apps/server/scripts/list-threads.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,202 @@
import * as NodeServices from "@effect/platform-node/NodeServices";
import { assert, it } from "@effect/vitest";
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Path from "effect/Path";
import * as SqlClient from "effect/unstable/sql/SqlClient";

import * as NodeSqliteClient from "../src/persistence/NodeSqliteClient.ts";
import { listThreads, ThreadTransferError } from "./thread-transfer.ts";

interface FixtureInput {
 readonly stateDir: string;
 readonly projects: ReadonlyArray<{
 readonly projectId: string;
 readonly workspaceRoot: string;
 readonly deletedAt?: string;
 }>;
 readonly threads: ReadonlyArray<{
 readonly threadId: string;
 readonly projectId: string;
 readonly title: string;
 readonly updatedAt: string;
 readonly deletedAt?: string;
 }>;
}

/** Seeds the projection tables `thread:list` reads, mirroring the server's schema. */
const createFixtureDatabase = Effect.fn("createThreadListFixtureDatabase")(function* (
 input: FixtureInput,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const databasePath = path.join(input.stateDir, "state.sqlite");
 yield* fs.makeDirectory(input.stateDir, { recursive: true });
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
 yield* sql`CREATE TABLE projection_projects (
 project_id TEXT PRIMARY KEY,
 title TEXT NOT NULL,
 workspace_root TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 yield* sql`CREATE TABLE projection_threads (
 thread_id TEXT PRIMARY KEY,
 project_id TEXT NOT NULL,
 title TEXT NOT NULL,
 updated_at TEXT NOT NULL,
 deleted_at TEXT
 )`;
 for (const project of input.projects) {
 yield* sql`INSERT INTO projection_projects (
 project_id, title, workspace_root, updated_at, deleted_at
 ) VALUES (
 ${project.projectId}, ${`Project ${project.projectId}`}, ${project.workspaceRoot},
 '2026-08-20T12:00:00.000Z', ${project.deletedAt ?? null}
 )`;
 }
 for (const thread of input.threads) {
 yield* sql`INSERT INTO projection_threads (
 thread_id, project_id, title, updated_at, deleted_at
 ) VALUES (
 ${thread.threadId}, ${thread.projectId}, ${thread.title}, ${thread.updatedAt},
 ${thread.deletedAt ?? null}
 )`;
 }
 }).pipe(Effect.provide(NodeSqliteClient.layer({ filename: databasePath })));
 return databasePath;
});

it.layer(NodeServices.layer)("thread list", (it) => {
 it.effect("lists live projects and threads, newest thread first", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-" });
 const workspace = path.join(root, "workspace");
 const otherWorkspace = path.join(root, "other");
 yield* createFixtureDatabase({
 stateDir: path.join(workspace, ".t3", "userdata"),
 projects: [
 { projectId: "project-b", workspaceRoot: otherWorkspace },
 { projectId: "project-a", workspaceRoot: workspace },
 {
 projectId: "project-gone",
 workspaceRoot: path.join(root, "gone"),
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 threads: [
 {
 threadId: "thread-old",
 projectId: "project-a",
 title: "Older thread",
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 {
 threadId: "thread-new",
 projectId: "project-b",
 title: "Newer\tthread",
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 threadId: "thread-gone",
 projectId: "project-a",
 title: "Deleted thread",
 updatedAt: "2026-08-21T12:00:00.000Z",
 deletedAt: "2026-08-21T13:00:00.000Z",
 },
 ],
 });

 const listing = yield* listThreads({ source: workspace });
 assert.deepStrictEqual(listing, {
 projects: [
 {
 id: "project-b",
 title: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "project-a",
 title: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 ],
 threads: [
 {
 id: "thread-new",
 title: "Newer\tthread",
 projectId: "project-b",
 projectTitle: "Project project-b",
 workspaceRoot: otherWorkspace,
 updatedAt: "2026-08-20T12:00:00.000Z",
 },
 {
 id: "thread-old",
 title: "Older thread",
 projectId: "project-a",
 projectTitle: "Project project-a",
 workspaceRoot: workspace,
 updatedAt: "2026-08-19T12:00:00.000Z",
 },
 ],
 });
 }),
 );

 it.effect("resolves the base directory, a direct state directory, and --state dev", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-state-" });
 const baseDir = path.join(root, ".t3");
 const thread = { title: "Thread", updatedAt: "2026-08-20T12:00:00.000Z" };
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "userdata"),
 projects: [{ projectId: "project-userdata", workspaceRoot: root }],
 threads: [{ threadId: "thread-userdata", projectId: "project-userdata", ...thread }],
 });
 yield* createFixtureDatabase({
 stateDir: path.join(baseDir, "dev"),
 projects: [{ projectId: "project-dev", workspaceRoot: root }],
 threads: [{ threadId: "thread-dev", projectId: "project-dev", ...thread }],
 });

 const fromBase = yield* listThreads({ source: baseDir });
 assert.deepStrictEqual(
 fromBase.threads.map((entry) => entry.id),
 ["thread-userdata"],
 );
 const fromStateDir = yield* listThreads({ source: path.join(baseDir, "userdata") });
 assert.deepStrictEqual(fromStateDir, fromBase);
 const fromDev = yield* listThreads({ source: baseDir, state: "dev" });
 assert.deepStrictEqual(
 fromDev.projects.map((entry) => entry.id),
 ["project-dev"],
 );
 assert.deepStrictEqual(
 fromDev.threads.map((entry) => entry.id),
 ["thread-dev"],
 );
 }),
 );

 it.effect("reports every location it probed when no database exists", () =>
 Effect.gen(function* () {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;
 const root = yield* fs.makeTempDirectoryScoped({ prefix: "thread-list-missing-" });
 const error = yield* listThreads({ source: root }).pipe(Effect.flip);
 assert.instanceOf(error, ThreadTransferError);
 assert.equal(error.operation, "resolve directory");
 assert.equal(
 error.detail,
 `No T3 userdata database found at '${path.join(root, "state.sqlite")}', '${path.join(root, "userdata", "state.sqlite")}', or '${path.join(root, ".t3", "userdata", "state.sqlite")}'.`,
 );
 }),
 );
});

60 changes: 60 additions & 0 deletions
apps/server/scripts/list-threads.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
#!/usr/bin/env node

import * as NodeRuntime from "@effect/platform-node/NodeRuntime";
import * as NodeServices from "@effect/platform-node/NodeServices";
import { fromJsonStringPretty } from "@t3tools/shared/schemaJson";
import * as Console from "effect/Console";
import * as Effect from "effect/Effect";
import * as Schema from "effect/Schema";
import { Command, Flag } from "effect/unstable/cli";

import { listThreads, ThreadListing, threadTransferFlags } from "./thread-transfer.ts";

const oneLine = (value: string) => value.replaceAll(/[\r\n\t]+/g, " ");
const encodeListing = Schema.encodeEffect(fromJsonStringPretty(ThreadListing));

export const listThreadsCommand = Command.make(
 "list-threads",
 {
 source: threadTransferFlags.directory("source"),
 state: threadTransferFlags.state,
 json: Flag.boolean("json").pipe(
 Flag.withDefault(false),
 Flag.withDescription("Print the complete thread list as JSON."),
 ),
 },
 ({ source, state, json }) =>
 Effect.gen(function* () {
 const listing = yield* listThreads({ source, state });
 if (json) {
 yield* Console.log(yield* encodeListing(listing));
 return;
 }
 if (listing.projects.length === 0) {
 yield* Console.log("No projects found.");
 } else {
 yield* Console.log("PROJECT_ID\tWORKSPACE\tTITLE");
 for (const project of listing.projects) {
 yield* Console.log(
 `${project.id}\t${oneLine(project.workspaceRoot)}\t${oneLine(project.title)}`,
 );
 }
 }
 yield* Console.log("");
 if (listing.threads.length === 0) {
 yield* Console.log("No threads found.");
 return;
 }
 yield* Console.log("THREAD_ID\tPROJECT_ID\tTITLE");
 for (const thread of listing.threads) {
 yield* Console.log(`${thread.id}\t${thread.projectId}\t${oneLine(thread.title)}`);
 }
 }),
).pipe(Command.withDescription("List the projects and threads stored in a T3 state directory."));

if (import.meta.main) {
 Command.run(listThreadsCommand, { version: "0.0.0" }).pipe(
 Effect.provide(NodeServices.layer),
 NodeRuntime.runMain,
 );
}

8 changes: 5 additions & 3 deletions
apps/server/scripts/migrate-dev-db.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -188,7 +188,9 @@ const isProcessAlive = (pid: number): boolean => {
 * wal_checkpoint(TRUNCATE) reports busy while another connection holds the
 * WAL. A leftover -shm alone is not a signal — read-only connections cannot
 * clean it up on close. */
const ensureNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (databasePath: string) {
export const ensureDevDbNotInUse = Effect.fn("ensureDevDbNotInUse")(function* (
 databasePath: string,
) {
 const fs = yield* FileSystem.FileSystem;
 const path = yield* Path.Path;

Expand DownExpand Up@@ -403,7 +405,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 }

 yield* fs.makeDirectory(stateDir, { recursive: true });
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);

 const wrapPhase =
 (phase: MigrateDevDbPhaseError["phase"], phaseDatabasePath: string) =>
Expand DownExpand Up@@ -466,7 +468,7 @@ export const runMigrateDevDb = Effect.fn("runMigrateDevDb")(function* (
 yield* Console.log(`Compacting into ${databasePath}...`);
 // Re-check right before the swap: a dev server started while the
 // snapshot was migrating and pruning must not lose its database.
 yield* ensureNotInUse(databasePath);
 yield* ensureDevDbNotInUse(databasePath);
 yield* removeDatabaseFiles(databasePath);
 yield* Effect.gen(function* () {
 const sql = yield* SqlClient.SqlClient;
Expand Down
Loading
Loading