refactor(agent): trim obsolete loop surfaces

packages/core/agent-loop/tests/config-session-id.spec.ts

@@ -140,13 +140,9 @@ describe('config-driven session id', () => {
     first.inject([{ type: 'text', text: 'persist before replacement' }], {
       source: { kind: 'plugin', plugin: 'test' },
     })
-    await expect.poll(async () => {
-      try {
-        return JSON.stringify((await ctx.sessionPersistence.inspect(sessionId)).events)
-      } catch {
-        return ''
-      }
-    }).toContain('persist before replacement')
+    await ctx.sessions.flush(first.session)
+    expect(JSON.stringify((await ctx.sessionPersistence.inspect(sessionId)).events))
+      .toContain('persist before replacement')
 
     const firstDisposal = firstLoop.dispose()
     await cleanupStarted.promise
@@ -190,13 +186,9 @@ describe('config-driven session id', () => {
     first.inject([{ type: 'text', text: 'persist before cancellation' }], {
       source: { kind: 'plugin', plugin: 'test' },
     })
-    await expect.poll(async () => {
-      try {
-        return JSON.stringify((await ctx.sessionPersistence.inspect(sessionId)).events)
-      } catch {
-        return ''
-      }
-    }).toContain('persist before cancellation')
+    await ctx.sessions.flush(first.session)
+    expect(JSON.stringify((await ctx.sessionPersistence.inspect(sessionId)).events))
+      .toContain('persist before cancellation')
 
     const firstDisposal = firstLoop.dispose()
     await cleanupStarted.promise

packages/core/agent-loop/tests/contract-regressions.spec.ts

@@ -436,7 +436,7 @@ describe('disposal leaves the two-state status contract balanced', () => {
     await fiber.dispose()
     await driverDone(agent) // must not hang
 
-    await expect.poll(() => ctx.agents.get(SessionId('scoped')) === undefined).toBe(true)
+    expect(ctx.agents.get(SessionId('scoped'))).toBeUndefined()
   })
 })
 

packages/core/agent-loop/tests/interception.spec.ts

@@ -161,7 +161,6 @@ describe('agent/prompt-submit', () => {
     expect(log.some(e => e.type === 'turn/end')).toBe(false)
     expect(log.some(e => e.type === 'user/message')).toBe(false)
     expect(log.some(e => e.type === 'step/start')).toBe(false)
-    expect(log.some(e => e.type === 'prompt/blocked')).toBe(false)
     expect(reasons).toEqual([])
   })
 
@@ -189,7 +188,6 @@ describe('agent/prompt-submit', () => {
     expect(userMsgs).toHaveLength(1)
     expect(userMsgs[0]?.type === 'user/message' && userMsgs[0].data.content).toEqual([{ type: 'text', text: 'safe' }])
     expect(adapter.requests.length).toBeGreaterThanOrEqual(1)
-    expect(log.filter(e => e.type === 'prompt/blocked')).toHaveLength(0)
     expect(log.filter(e => e.type === 'turn/start')).toHaveLength(1)
     expect(reasons).toEqual([{ kind: 'completed' }])
   })

packages/core/agent-loop/tests/loop.spec.ts

@@ -1041,7 +1041,7 @@ describe('agent loop', () => {
     await fiber.dispose()
     await driverDone(agent)
 
-    await expect.poll(() => ctx.agents.get(SessionId('scoped')) === undefined).toBe(true)
+    expect(ctx.agents.get(SessionId('scoped'))).toBeUndefined()
   })
 
   it('creates agents from config on startup', async () => {