diff --git a/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts b/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts
index c7428e0836..b1cc2fed2c 100644
--- a/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts
+++ b/packages/session-persistence/session-persistence-jsonl/tests/jsonl.spec.ts
@@ -595,7 +595,7 @@ describe('SessionPersistenceJsonl: packed chunk rows (packChunks: true)', () =>
     // file, hand-planted so this packed-config backend adopts it on load).
     await mkdir(sessionDir(root, '/work'), { recursive: true })
     await writeFile(logPath(root, '/work', m.id), [
-      JSON.stringify({ type: 'session', version: 0, id: 'mixed', createdAt: 1000, cwd: '/work' }),
+      JSON.stringify({ type: 'session', version: 0, id: 'mixed', createdAt: 1000, cwd: '/work', delegationDepth: 0 }),
       ...log.map(e => JSON.stringify(e)),
     ].join('\n') + '\n')
     // Adopt the stored log (cursor = stored length), then append a second turn
@@ -619,7 +619,7 @@ describe('SessionPersistenceJsonl: packed chunk rows (packChunks: true)', () =>
 
   it('scanLog: a packed row advances the seq cursor by its whole run', () => {
     const logText = [
-      JSON.stringify({ type: 'session', version: 0, id: 'rows', createdAt: 1 }),
+      JSON.stringify({ type: 'session', version: 0, id: 'rows', createdAt: 1, delegationDepth: 0 }),
       JSON.stringify({ type: 'turn/start', seq: 0, time: 1, data: { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } } }),
       JSON.stringify({ type: 'text-chunks', seq0: 1, time0: 2, data: { turn: 1, step: 1, index: 0, dt: [1, 1], texts: ['a', 'b', 'c'] } }),
       JSON.stringify({ type: 'turn/end', seq: 4, time: 5, data: { turn: 1, reason: { kind: 'completed' } } }),
@@ -631,7 +631,7 @@ describe('SessionPersistenceJsonl: packed chunk rows (packChunks: true)', () =>
 
   it('scanLog: a malformed packed row in the committed region rejects like corrupt JSON', () => {
     const logText = [
-      JSON.stringify({ type: 'session', version: 0, id: 'bad-row', createdAt: 1 }),
+      JSON.stringify({ type: 'session', version: 0, id: 'bad-row', createdAt: 1, delegationDepth: 0 }),
       // dt arity mismatch — row validation throws, so the line is a committed hole.
       JSON.stringify({ type: 'text-chunks', seq0: 0, time0: 1, data: { turn: 1, step: 1, index: 0, dt: [], texts: ['a', 'b'] } }),
       JSON.stringify({ type: 'turn/end', seq: 2, time: 3, data: { turn: 1, reason: { kind: 'completed' } } }),
@@ -641,7 +641,7 @@ describe('SessionPersistenceJsonl: packed chunk rows (packChunks: true)', () =>
 
   it('scanLog: a packed row with a mid-run seq gap after the last turn/end drops the whole row', () => {
     const logText = [
-      JSON.stringify({ type: 'session', version: 0, id: 'row-gap', createdAt: 1 }),
+      JSON.stringify({ type: 'session', version: 0, id: 'row-gap', createdAt: 1, delegationDepth: 0 }),
       JSON.stringify({ type: 'turn/start', seq: 0, time: 1, data: { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } } }),
       // seq0 skips 1 — the run's first member is already a gap; no turn/end follows.
       JSON.stringify({ type: 'text-chunks', seq0: 2, time0: 2, data: { turn: 1, step: 1, index: 0, dt: [1, 1], texts: ['a', 'b', 'c'] } }),