refactor(agent): align delivery method names

packages/hooks/hooks-claude/tests/bridge.spec.ts

@@ -97,7 +97,7 @@ describe('hooks-claude bridge — UserPromptSubmit', () => {
     const adapter = new MockAdapter([textResponse('should not run')])
     const ctx = await harness(dir, adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'do something' }])
+    agent.followup([{ type: 'text', text: 'do something' }])
     await waitForIdle(ctx, agent)
 
     // The prompt was blocked: model never called, turn ended rejected.
@@ -120,7 +120,7 @@ describe('hooks-claude bridge — UserPromptSubmit', () => {
     const adapter = new MockAdapter([textResponse('ok')])
     const ctx = await harness(dir, adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
 
     // The injected context reached the model and is recorded with the plugin source.
@@ -145,7 +145,7 @@ describe('hooks-claude bridge — PreToolUse', () => {
     let ran = false
     ctx.tools.register(defineContentToolFixture({ name: 'danger', description: 'd', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'should not run' }] } }))
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'use danger' }])
+    agent.followup([{ type: 'text', text: 'use danger' }])
     await waitForIdle(ctx, agent)
 
     expect(ran).toBe(false)
@@ -168,7 +168,7 @@ describe('hooks-claude bridge — PreToolUse', () => {
     let ran = false
     ctx.tools.register(defineContentToolFixture({ name: 'safe', description: 's', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'ran ok' }] } }))
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'use safe' }])
+    agent.followup([{ type: 'text', text: 'use safe' }])
     await waitForIdle(ctx, agent)
 
     expect(ran).toBe(true)
@@ -190,7 +190,7 @@ describe('hooks-claude bridge — PostToolUse', () => {
     const ctx = await harness(dir, adapter)
     ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'raw output' }] } }))
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
 
     const result = events(agent).find(e => e.type === 'tool/result')
@@ -211,7 +211,7 @@ describe('hooks-claude bridge — PostToolUse', () => {
     const ctx = await harness(dir, adapter)
     ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
 
     const log = events(agent)
@@ -235,7 +235,7 @@ describe('hooks-claude bridge — PostToolUse', () => {
     let ran = false
     ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'x' }] } }))
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
 
     // `ask` degrades to deny today (FIXME permissions): the tool does not run and the result is isError.
@@ -264,7 +264,7 @@ describe('hooks-claude bridge — SessionStart', () => {
     // fixed sleep that flakes under load.
     await waitFor(() => events(agent).some(e => e.type === 'user/message'
       && e.data.content.some(b => b.type === 'text' && b.text.includes('project uses tabs'))))
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
 
     expect(JSON.stringify(adapter.requests[0]!.messages)).toContain('project uses tabs')
@@ -357,7 +357,7 @@ describe('hooks-claude bridge — load resilience', () => {
     await ctx.plugin(HooksClaude, { configPath: '/nonexistent/hooks.json' })
     ctx.llm.registerAdapter(['mock'], adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
     // The turn ran normally — no hooks, no crash.
     expect(adapter.requests).toHaveLength(1)
@@ -379,7 +379,7 @@ describe('hooks-claude bridge — load resilience', () => {
     await fiber.dispose()
     ctx.llm.registerAdapter(['mock'], adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
     expect(adapter.requests).toHaveLength(1) // not blocked → the listener is gone
     expect(events(agent).some(e => e.type === 'hook/invoked')).toBe(false) // no hook ran

packages/hooks/hooks-claude/tests/coverage-cases.ts

@@ -74,7 +74,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
         const ctx = await harness(path, adapter, { ...sessionRoot !== undefined ? { sessionRoot } : {} })
         ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
         const agent = ctx.agentLoop.create(SessionId('transcript'), { provider: 'mock', model: 'mock' })
-        agent.send([{ type: 'text', text: 'go' }])
+        agent.followup([{ type: 'text', text: 'go' }])
         await waitForIdle(ctx, agent)
         return {
           payload: JSON.parse(readFileSync(cap, 'utf8')) as { transcript_path: string },
@@ -104,7 +104,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       ctx.logger.warn = warn as never
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(existsSync(marker)).toBe(true) // substituted command ran
     })
@@ -120,7 +120,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       let sawArgs: unknown
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: { command: { type: 'string' } }, async execute(args) { sawArgs = args; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       // updatedInput is NOT honored — the tool ran with the ORIGINAL args.
       expect((sawArgs as { command?: string }).command).toBe('original')
@@ -136,7 +136,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const adapter = new MockAdapter([textResponse('ran')])
       const ctx = await harness(path, adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       // The prompt proceeded unchanged; no injected context.
       expect(adapter.requests).toHaveLength(1)
@@ -166,7 +166,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.stderrSummary?.endsWith('…')).toBe(true)
@@ -191,7 +191,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter, { stderrSummaryMaxChars: 40 })
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.stderrSummary).toBe('x'.repeat(40) + '…')
@@ -207,7 +207,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const adapter = new MockAdapter([textResponse('one'), textResponse('two')])
       const ctx = await harness(path, adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(2)
       expect(JSON.stringify(adapter.requests[1]!.messages)).toContain('continue please')
@@ -223,7 +223,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const adapter = new MockAdapter([textResponse('one'), textResponse('two')])
       const ctx = await harness(path, adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       // A second model request ran → the empty-reason block forced continuation.
       expect(adapter.requests).toHaveLength(2)
@@ -271,7 +271,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'x' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.content.some(b => b.type === 'text' && b.text.includes('blocked by PreToolUse hook'))).toBe(true)
@@ -285,7 +285,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.content.some(b => b.type === 'text' && b.text.includes('blocked by PostToolUse hook'))).toBe(true)
@@ -314,7 +314,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const adapter = new MockAdapter([textResponse('no')])
       const ctx = await harness(path, adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const turnEnd = events(agent).findLast(e => e.type === 'turn/end')
       expect(turnEnd?.type === 'turn/end' && turnEnd.data.reason.kind === 'rejected' && turnEnd.data.reason.reason).toContain('blocked by UserPromptSubmit hook')
@@ -329,7 +329,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'x' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       // ask (no reason) → degrades to deny with the registry's generic message.
       expect(ran).toBe(false)
@@ -344,7 +344,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.exitCode).toBe(0)
@@ -369,7 +369,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       HooksClaude.apply(ctx, { configPath: join(d, 'hooks.json') })
       ctx.llm.registerAdapter(['mock'], adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(existsSync(marker)).toBe(true)
     })
@@ -384,7 +384,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(ran).toBe(true)
       const res = events(agent).find(e => e.type === 'hook/result')
@@ -399,7 +399,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.isError).toBe(true)
@@ -418,7 +418,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.decision).toBe('stop') // recorded
@@ -435,7 +435,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.isError).toBe(true)
@@ -455,7 +455,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(ran).toBe(true) // the mismatched deny was discarded → the tool ran
     })
@@ -473,7 +473,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       // The factory create() path honors meta.cwd (the plain agentLoop.create() does not).
       const { SessionId } = await import('@deepseek-ai/dsh-session')
       const handle = await ctx.agents.create({ sessionId: SessionId('s1'), meta: { cwd: workspace }, agentOptions: { provider: 'mock', model: 'mock' } })
-      handle.agent.send([{ type: 'text', text: 'go' }])
+      handle.agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, handle.agent)
       expect(events(handle.agent).some(e => e.type === 'user/message'
       && e.data.content.some(b => b.type === 'text' && b.text.includes(`dir=${workspace}`)))).toBe(true)
@@ -491,7 +491,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       // A later listener that blocks every prompt (registered AFTER the bridge).
       ctx.on('agent/prompt-submit', async () => ({ kind: 'block' as const, reason: 'policy veto' }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       // the downstream block won: the model was never called, no user/message was
       // recorded, and the (sole, fully-blocked) prompt closed the turn `rejected`
@@ -519,7 +519,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
         }],
       }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const req = JSON.stringify(adapter.requests[0]!.messages)
       expect(req).toContain('from-bridge')
@@ -547,7 +547,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       ctx.on('tools/post-execute', async () => ({ kind: 'accept' as const, value: [{ type: 'text' as const, text: 'rewritten-result' }] }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.content.some(b => b.type === 'text' && b.text === 'rewritten-result')).toBe(true)
@@ -570,7 +570,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
         }],
       }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
 
       const contexts = events(agent).filter(event => event.type === 'user/message' && event.data.source.kind !== 'user')
@@ -593,7 +593,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       ctx.on('tools/post-execute', async () => ({ kind: 'block' as const, feedback: [{ type: 'text' as const, text: 'downstream-block' }] }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.isError).toBe(true)
@@ -617,7 +617,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       bash.run = (() => Promise.reject(new Error('executor down')))
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && 'exitCode' in res.data).toBe(false)
@@ -640,7 +640,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       await waitFor(() => threw)
       expect(threw).toBe(true)
       agent.inject = original
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(1) // loop survived the thrown inject
     })
@@ -667,7 +667,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
 
       const { SessionId } = await import('@deepseek-ai/dsh-session')
       const handle = await ctx.agents.create({ sessionId: SessionId('s1'), meta: { cwd: sessionDir }, agentOptions: { provider: 'mock', model: 'mock' } })
-      handle.agent.send([{ type: 'text', text: 'go' }])
+      handle.agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, handle.agent)
 
       expect(existsSync(marker)).toBe(true) // the marker landed in the SESSION dir
@@ -717,7 +717,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       const warn = vi.fn(); ctx.logger.warn = warn as never
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(warn).toHaveBeenCalledWith(expect.stringContaining('systemMessage'))
       // Not surfaced: the systemMessage text never reaches the model request.
@@ -736,7 +736,7 @@ export function defineCoverageCases(group: CoverageGroup): void {
       const ctx = await harness(path, adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
       // Send immediately — do NOT wait for the session-start inject.
-      agent.send([{ type: 'text', text: 'go' }])
+      agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(1) // the turn ran regardless of hook timing
     })

packages/hooks/hooks-codex/tests/bridge.spec.ts

@@ -77,7 +77,7 @@ describe('hooks-codex bridge', () => {
     let ran = false
     ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'no' }] } }))
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'run ls' }])
+    agent.followup([{ type: 'text', text: 'run ls' }])
     await waitForIdle(ctx, agent)
 
     expect(ran).toBe(false)
@@ -98,7 +98,7 @@ describe('hooks-codex bridge', () => {
     const adapter = new MockAdapter([textResponse('first answer'), textResponse('second answer after goal')])
     const ctx = await harness(dir, adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
 
     expect(adapter.requests).toHaveLength(2)
@@ -115,7 +115,7 @@ describe('hooks-codex bridge', () => {
     const adapter = new MockAdapter([textResponse('must not run')])
     const ctx = await harness(dir, adapter)
     const agent = ctx.agentLoop.create(SessionId('cancel-prompt-hook'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'cancel the hook' }])
+    agent.followup([{ type: 'text', text: 'cancel the hook' }])
     await waitFor(() => existsSync(marker))
     const pid = Number(readFileSync(pidFile, 'utf8').trim())
 
@@ -139,7 +139,7 @@ describe('hooks-codex bridge', () => {
     const adapter = new MockAdapter([textResponse('fine')])
     const ctx = await harness(dir, adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
     expect(adapter.requests).toHaveLength(1)
   })
@@ -149,7 +149,7 @@ describe('hooks-codex bridge', () => {
     const adapter = new MockAdapter([textResponse('ok')])
     const ctx = await harness(dir, adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
     expect(adapter.requests).toHaveLength(1)
   })
@@ -169,7 +169,7 @@ describe('hooks-codex bridge', () => {
     await fiber.dispose()
     ctx.llm.registerAdapter(['mock'], adapter)
     const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await waitForIdle(ctx, agent)
     expect(adapter.requests).toHaveLength(1) // not blocked → the listener is gone
     expect(events(agent).some(e => e.type === 'hook/invoked')).toBe(false) // no hook ran

packages/hooks/hooks-codex/tests/coverage-cases.ts

@@ -65,7 +65,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
         const ctx = await harness(path, adapter, { ...sessionRoot !== undefined ? { sessionRoot } : {} })
         ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
         const agent = ctx.agentLoop.create(SessionId('transcript'), { provider: 'mock', model: 'mock' })
-        agent.send([{ type: 'text', text: 'go' }])
+        agent.followup([{ type: 'text', text: 'go' }])
         await waitForIdle(ctx, agent)
         return {
           payload: JSON.parse(readFileSync(cap, 'utf8')) as { transcript_path: string | null },
@@ -84,7 +84,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const adapter = new MockAdapter([textResponse('no')])
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(0)
       const te = events(agent).findLast(e => e.type === 'turn/end')
       expect(te?.type === 'turn/end' && te.data.reason.kind).toBe('rejected')
@@ -96,7 +96,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const adapter = new MockAdapter([textResponse('ok')])
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(JSON.stringify(adapter.requests[0]!.messages)).toContain('ctx-x')
     })
 
@@ -109,7 +109,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.on('agent/prompt-submit', async () => ({ kind: 'block' as const, reason: 'policy veto' }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(0)
       expect(events(agent).some(e => e.type === 'user/message')).toBe(false)
       const te = events(agent).findLast(e => e.type === 'turn/end')
@@ -131,7 +131,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
         }],
       }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const req = JSON.stringify(adapter.requests[0]!.messages)
       expect(req).toContain('from-bridge')
       expect(req).toContain('from-downstream')
@@ -154,7 +154,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       ctx.on('tools/post-execute', async () => ({ kind: 'accept' as const, value: [{ type: 'text' as const, text: 'rewritten-result' }] }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.content.some(b => b.type === 'text' && b.text === 'rewritten-result')).toBe(true)
       expect(events(agent).some(e => e.type === 'user/message' && e.data.source.kind !== 'user' && e.data.content.some(b => b.type === 'text' && b.text.includes('bridge-note')))).toBe(true)
@@ -175,7 +175,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
         }],
       }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
 
       const contexts = events(agent).filter(event => event.type === 'user/message' && event.data.source.kind !== 'user')
       expect(contexts.map(event => event.type === 'user/message' && event.data.source)).toEqual([
@@ -193,7 +193,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       ctx.tools.register(defineContentToolFixture({ name: 'echo', description: 'e', parameters: {}, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       ctx.on('tools/post-execute', async () => ({ kind: 'block' as const, feedback: [{ type: 'text' as const, text: 'downstream-block' }] }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const result = events(agent).find(e => e.type === 'tool/result')
       expect(result?.type === 'tool/result' && result.data.isError).toBe(true)
       expect(result?.type === 'tool/result' && result.data.content.some(b => b.type === 'text' && b.text.includes('downstream-block'))).toBe(true)
@@ -208,7 +208,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
       await waitFor(() => events(agent).some(e => e.type === 'user/message'
       && e.data.content.some(b => b.type === 'text' && b.text.includes('start-ctx'))))
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(JSON.stringify(adapter.requests[0]!.messages)).toContain('start-ctx')
     })
 
@@ -219,7 +219,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const r = events(agent).find(e => e.type === 'tool/result')
       expect(r?.type === 'tool/result' && r.data.isError).toBe(true)
       expect(r?.type === 'tool/result' && r.data.content.some(b => b.type === 'text' && b.text.includes('blocked by PostToolUse hook'))).toBe(true)
@@ -232,7 +232,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(events(agent).some(e => e.type === 'user/message' && e.data.source.kind !== 'user' && e.data.content.some(b => b.type === 'text' && b.text.includes('post-ctx')))).toBe(true)
     })
   })
@@ -246,7 +246,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: {}, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(ran).toBe(true) // clean-exit hook allows; commandOf returned ''
     })
 
@@ -257,7 +257,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.exitCode).toBe(0)
       expect(res?.type === 'hook/result' && 'stderrSummary' in res.data).toBe(false)
@@ -270,7 +270,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.stderrSummary?.endsWith('…')).toBe(true)
       expect(res?.type === 'hook/result' && res.data.stderrSummary?.length).toBe(501) // default 500-char cap + ellipsis
@@ -293,7 +293,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter, { stderrSummaryMaxChars: 40 })
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.stderrSummary).toBe('x'.repeat(40) + '…')
     })
@@ -316,7 +316,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       HooksCodex.apply(ctx, { configPath: join(d, 'hooks.json') })
       ctx.llm.registerAdapter(['mock'], adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(existsSync(marker)).toBe(true)
       expect(warn).toHaveBeenCalledWith(expect.stringContaining('async hook'))
     })
@@ -329,7 +329,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(ran).toBe(true)
     })
 
@@ -344,7 +344,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
       await waitFor(() => existsSync(marker)) // the clean no-output hook has finished
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(events(agent).some(e => e.type === 'user/message' && e.data.source.kind !== 'user')).toBe(false)
     })
 
@@ -370,7 +370,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(ran).toBe(true)
     })
 
@@ -383,7 +383,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(ran).toBe(true) // matcher didn't match → no hook ran → tool proceeded
       expect(events(agent).some(e => e.type === 'hook/invoked')).toBe(false)
     })
@@ -399,7 +399,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && res.data.decision).toBe('stop') // recorded
       expect(ran).toBe(true) // NOT honored: the tool still ran (halt is deferred)
@@ -412,7 +412,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const r = events(agent).find(e => e.type === 'tool/result')
       expect(r?.type === 'tool/result' && r.data.content.some(b => b.type === 'text' && b.text.includes('blocked by PreToolUse hook'))).toBe(true)
     })
@@ -424,7 +424,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const r = events(agent).find(e => e.type === 'tool/result')
       expect(r?.type === 'tool/result' && r.data.isError).toBe(true)
       expect(r?.type === 'tool/result' && r.data.content.some(b => b.type === 'text' && b.text.includes('bad'))).toBe(true)
@@ -441,7 +441,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'number' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const payload = JSON.parse(readFileSync(cap, 'utf8')) as { tool_input: { command: string } }
       expect(payload.tool_input.command).toBe('')
     })
@@ -477,7 +477,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       ctx.bash.run = (() => Promise.reject(new Error('executor down')))
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const res = events(agent).find(e => e.type === 'hook/result')
       expect(res?.type === 'hook/result' && 'exitCode' in res.data).toBe(false)
     })
@@ -493,7 +493,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const adapter = new MockAdapter([textResponse('one'), textResponse('two')])
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(2) // empty-reason block forced continuation
       expect(JSON.stringify(adapter.requests[1]!.messages)).toContain('blocked by Stop hook')
     })
@@ -506,7 +506,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const adapter = new MockAdapter([textResponse('ok')])
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(JSON.stringify(adapter.requests[0]!.messages)).toContain('extra guidance from a plain hook')
     })
 
@@ -534,7 +534,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const adapter = new MockAdapter([textResponse('ok')])
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(adapter.requests).toHaveLength(1) // exit 1 is non-blocking → the turn ran
       expect(JSON.stringify(adapter.requests[0]!.messages)).not.toContain('stale')
     })
@@ -547,7 +547,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
       await waitFor(() => events(agent).some(e => e.type === 'user/message'
       && e.data.content.some(b => b.type === 'text' && b.text.includes('session preamble'))))
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(JSON.stringify(adapter.requests[0]!.messages)).toContain('session preamble')
     })
 
@@ -559,7 +559,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const adapter = new MockAdapter([textResponse('ok')])
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(JSON.stringify(adapter.requests[0]!.messages)).not.toContain('unrelated')
     })
 
@@ -574,7 +574,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       ctx.tools.register(defineContentToolFixture({ name: 'shell', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       const payload = JSON.parse(readFileSync(cap, 'utf8')) as { tool_name: string; tool_input: { command: string } }
       expect(payload.tool_name).toBe('shell')
       expect(payload.tool_input.command).toBe('ls')
@@ -590,7 +590,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       let ran = false
       ctx.tools.register(defineContentToolFixture({ name: 'shell', description: 'b', parameters: { command: { type: 'string' } }, async execute() { ran = true; return [{ type: 'text', text: 'ok' }] } }))
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(ran).toBe(false) // the matcher fired → the hook denied the tool
       expect(events(agent).some(e => e.type === 'hook/invoked' && e.data.point === 'PreToolUse')).toBe(true)
     })
@@ -602,7 +602,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       const ctx = await harness(join(d, 'hooks.json'), adapter)
       const warn = vi.fn(); ctx.logger.warn = warn as never
       const agent = ctx.agentLoop.create(SessionId('a1'), { provider: 'mock', model: 'mock' })
-      agent.send([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
+      agent.followup([{ type: 'text', text: 'go' }]); await waitForIdle(ctx, agent)
       expect(warn).toHaveBeenCalledWith(expect.stringContaining('systemMessage'))
       expect(JSON.stringify(adapter.requests[0]!.messages)).not.toContain('heads up')
     })
@@ -625,7 +625,7 @@ export function defineCoverageCases(groups: CoverageGroup | readonly CoverageGro
       ctx.tools.register(defineContentToolFixture({ name: 'Bash', description: 'b', parameters: { command: { type: 'string' } }, async execute() { return [{ type: 'text', text: 'ok' }] } }))
       const { SessionId } = await import('@deepseek-ai/dsh-session')
       const handle = await ctx.agents.create({ sessionId: SessionId('s1'), meta: { cwd: sessionDir }, agentOptions: { provider: 'mock', model: 'mock' } })
-      handle.agent.send([{ type: 'text', text: 'go' }])
+      handle.agent.followup([{ type: 'text', text: 'go' }])
       await waitForIdle(ctx, handle.agent)
       expect(existsSync(marker)).toBe(true)
       expect(readFileSync(marker, 'utf8').trim().endsWith(sessionDir.split('/').pop()!)).toBe(true)