From 80dbe23237db191c1e6280001c7e0563f3ca8846 Mon Sep 17 00:00:00 2001
From: Neil <neil@stably.ai>
Date: Fri, 2 Oct 2026 21:10:51 -0700
Subject: [PATCH] fix(native-chat): route transcript requests through shared
 SQLite worker

---
 ...ion-scanner-opencode-native-worker.test.ts | 116 ++++++++++++++++++
 .../foreign-sqlite-reader-entry.ts            |   8 +-
 2 files changed, 123 insertions(+), 1 deletion(-)
 create mode 100644 src/main/ai-vault/session-scanner-opencode-native-worker.test.ts

diff --git a/src/main/ai-vault/session-scanner-opencode-native-worker.test.ts b/src/main/ai-vault/session-scanner-opencode-native-worker.test.ts
new file mode 100644
index 00000000000..b35623e358e
--- /dev/null
+++ b/src/main/ai-vault/session-scanner-opencode-native-worker.test.ts
@@ -0,0 +1,116 @@
+import { build } from 'esbuild'
+import { mkdtempSync, rmSync } from 'node:fs'
+import { tmpdir } from 'node:os'
+import { join } from 'node:path'
+import { Worker } from 'node:worker_threads'
+import { afterAll, beforeAll, describe, expect, it, vi } from 'vitest'
+import SyncDatabase from '../sqlite/sync-database'
+import { writeOpenCodeSqliteDatabase } from './session-scanner-opencode-sqlite-fixture'
+import { OpenCodeSqliteWorkerClient } from './session-scanner-opencode-sqlite-worker-client'
+import { resolveOpenCodeSqliteWorkerEntryPath } from './session-scanner-opencode-sqlite-worker-spawn'
+import type { AiVaultScanIssue } from '../../shared/ai-vault-types'
+
+const directory = mkdtempSync(join(tmpdir(), 'orca-opencode-native-worker-'))
+const entry = resolveOpenCodeSqliteWorkerEntryPath(directory)
+const v1Path = join(directory, 'v1', 'opencode.db')
+const v2Path = join(directory, 'v2.db')
+
+beforeAll(async () => {
+  await build({
+    entryPoints: ['src/main/foreign-sqlite-readers/foreign-sqlite-reader-entry.ts'],
+    bundle: true,
+    platform: 'node',
+    format: 'cjs',
+    target: 'node22',
+    external: ['electron'],
+    outfile: entry,
+    logLevel: 'silent'
+  })
+  writeOpenCodeSqliteDatabase(v1Path, [
+    {
+      id: 'session',
+      turns: ['first', 'second', 'third'].map((text) => ({ role: 'user', parts: [text] }))
+    }
+  ])
+  const db = new SyncDatabase(v2Path)
+  try {
+    db.exec(`CREATE TABLE session_v2 (id TEXT PRIMARY KEY);
+      CREATE TABLE session_message (id TEXT PRIMARY KEY, session_id TEXT, type TEXT,
+        seq INTEGER, data TEXT, time_created INTEGER, time_updated INTEGER);
+      INSERT INTO session_v2 VALUES ('session');`)
+    const insert = db.prepare('INSERT INTO session_message VALUES (?, ?, ?, ?, ?, 1, 1)')
+    for (const [index, text] of ['first', 'second', 'third'].entries()) {
+      insert.run(String(index), 'session', 'user', index + 1, JSON.stringify({ text }))
+    }
+  } finally {
+    db.close()
+  }
+})
+
+afterAll(() => {
+  rmSync(directory, { recursive: true, force: true })
+})
+
+describe('OpenCode reads through the production shared worker', () => {
+  it.each([v1Path, v2Path])(
+    'reads native signals and paginated history from %s',
+    async (dbPath) => {
+      const start = vi.fn(() => new Worker(entry))
+      const client = new OpenCodeSqliteWorkerClient({ workerFactory: start })
+      const args = { dbPath, sessionId: 'session' }
+      try {
+        await expect(
+          client.readNativeChat({ ...args, kind: 'native-signal' })
+        ).resolves.toMatchObject({
+          messageCount: 3,
+          maxMessageRowId: 3
+        })
+        const page = await client.readNativeChat({ ...args, kind: 'native-page', limit: 2 })
+        if (!page || !('items' in page)) {
+          throw new Error('Expected a native transcript page')
+        }
+        expect(page.items.map((item) => item.message.blocks)).toEqual([
+          [{ type: 'text', text: 'second' }],
+          [{ type: 'text', text: 'third' }]
+        ])
+        expect(page.hasMore).toBe(true)
+        const older = await client.readNativeChat({
+          ...args,
+          kind: 'native-page',
+          limit: 2,
+          beforeMessageRowId: page.beforeMessageRowId ?? undefined
+        })
+        if (!older || !('items' in older)) {
+          throw new Error('Expected the older transcript page')
+        }
+        expect(older.items.map((item) => item.message.blocks)).toEqual([
+          [{ type: 'text', text: 'first' }]
+        ])
+        expect(older.hasMore).toBe(false)
+        expect(start).toHaveBeenCalledOnce()
+      } finally {
+        client.dispose()
+      }
+    }
+  )
+
+  it('keeps list, parse and capture supported in the same worker', async () => {
+    const start = vi.fn(() => new Worker(entry))
+    const client = new OpenCodeSqliteWorkerClient({ workerFactory: start })
+    const issues: AiVaultScanIssue[] = []
+    const args = { dbPath: v1Path, sessionId: 'session', platform: process.platform }
+    try {
+      expect(await client.list({ dbPaths: [v1Path], limit: 5, issues })).toHaveLength(1)
+      expect(issues).toEqual([])
+      expect(await client.parse(args)).toMatchObject({ sessionId: 'session' })
+      expect((await client.capture(args)).messages.map((message) => message.text)).toEqual([
+        'first',
+        'second',
+        'third'
+      ])
+      expect(start).toHaveBeenCalledOnce()
+    } finally {
+      client.dispose()
+    }
+  })
+})
diff --git a/src/main/foreign-sqlite-readers/foreign-sqlite-reader-entry.ts b/src/main/foreign-sqlite-readers/foreign-sqlite-reader-entry.ts
index 951f6b9b52f..0bd9f5e745a 100644
--- a/src/main/foreign-sqlite-readers/foreign-sqlite-reader-entry.ts
+++ b/src/main/foreign-sqlite-readers/foreign-sqlite-reader-entry.ts
@@ -18,7 +18,13 @@ const port = parentPort
 type ReaderRequest = OpenCodeSqliteWorkerRequest | ForeignSqliteReaderRequest
 
 function isOpenCodeRequest(request: ReaderRequest): request is OpenCodeSqliteWorkerRequest {
-  return request.kind === 'list' || request.kind === 'parse' || request.kind === 'capture'
+  return (
+    request.kind === 'list' ||
+    request.kind === 'parse' ||
+    request.kind === 'capture' ||
+    request.kind === 'native-page' ||
+    request.kind === 'native-signal'
+  )
 }
 
 function handle(request: ReaderRequest): Promise<ForeignSqliteReaderResponse> {