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docs: rebalance prose cleanup and add trimming skill

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This commit is contained in:
Tianyi Cui
2026-07-13 23:27:00 +08:00
parent fcdc318dda
commit 148046b9c8
392 changed files with 2801 additions and 1754 deletions
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16
packages/session-persistence/session-persistence-sqlite/tests/sqlite.spec.ts
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@@ -28,8 +28,7 @@ async function backend(path = ':memory:'): Promise<{ ctx: Context; dispose: () =
return { ctx, dispose: () => fiber.dispose() }
}
// The payoff: the SAME backend-agnostic contract the JSONL backend runs, now
// proving the SQLite backend satisfies identical semantics.
// Run the same backend-agnostic contract as JSONL to pin identical semantics.
runPersistenceContract('sqlite', async () => {
const ctx = new Context()
await ctx.plugin(SessionStore)
@@ -40,7 +39,8 @@ runPersistenceContract('sqlite', async () => {
}
})
// Run the shared coordinator orchestration suite against the real SQLite backend.
// A file-backed database lets two mounts share rows across reload. `corruptTail` inserts invalid
// JSON past the committed seq, exercising coordinator repair against real database rows.
runCoordinatorContract('sqlite', async (): Promise<CoordinatorFixture> => {
const dir = await mkdtemp(join(tmpdir(), 'dsh-sqlite-coord-'))
const path = join(dir, 'sessions.db')
@@ -63,7 +63,8 @@ runCoordinatorContract('sqlite', async (): Promise<CoordinatorFixture> => {
describe('scanRows', () => {
// scanRows works off EventRows (data is a JSON string column); build them from SessionEvents
// so the unit tests read in terms of the event vocabulary.
// so the unit tests read in terms of the event vocabulary. Surface metadata is serialized to
// its nullable columns so the conversion remains faithful.
const rows = (events: SessionEvent[]): EventRow[] =>
events.map((e) => {
const se = e as SessionEvent<SurfaceEventType>
@@ -252,7 +253,8 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => {
it('rejects a sibling v3 database (the merge-collided version) rather than opening it against missing columns', async () => {
// Two unmerged branches each shipped a DISTINCT layout under user_version 3 (one added only
// `seed_length`, the other only the surface columns).
// `seed_length`, the other only the surface columns). The merged v4 cannot interpret that
// ambiguous, incomplete layout and must reject it.
const path = await freshDbPath()
openDatabase(path, 'wal').close() // creates + stamps user_version = SCHEMA_VERSION (4)
const db = openDatabase(path, 'wal')
@@ -269,7 +271,9 @@ describe('SessionPersistenceSqlite: durability and crash semantics', () => {
await b1.ctx.sessionPersistence.append(m.id, oneTurnLog()) // committed: seqs 0..5
await b1.dispose()
// Hand-insert a torn tail row (seq 6, no closing turn/end) whose `data` is invalid JSON.
// A torn row after the last committed turn has invalid JSON. `scanRows` locates the boundary
// from seq/type columns without parsing the tail, preserves the committed prefix, and load
// deletes the row; invalid JSON inside the committed region would remain fatal.
const db = openDatabase(path, 'wal')
db.prepare('INSERT INTO events (session_id, seq, type, time, data) VALUES (?, 6, ?, 7, ?)')
.run(m.id, 'turn/start', '{not valid json')