Merge remote-tracking branch 'origin/master' into session-query-tool

# Conflicts:
#	docs/architecture.i18n.yaml

packages/host/runtime/tests/host-runtime.spec.ts

@@ -1,4 +1,4 @@
-import { mkdirSync, mkdtempSync, writeFileSync } from 'node:fs'
+import { existsSync, mkdirSync, mkdtempSync, writeFileSync } from 'node:fs'
 import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
@@ -249,6 +249,29 @@ describe('sessions.create / list', () => {
     expect(first?.running).toBe(false)
     expect(first?.parentSessionId).toBeUndefined()
   })
+
+  it('ensures a missing project directory before minting the session', async () => {
+    const { api } = await boot()
+    const root = mkdtempSync(join(tmpdir(), 'dsh-host-create-cwd-'))
+    const cwd = join(root, 'nested', 'workspace')
+    expect(existsSync(cwd)).toBe(false)
+    const { sessionId } = expectOk(await api.sessions.create(request({ cwd })))
+    expect(existsSync(cwd)).toBe(true)
+    const { items } = expectOk(await api.sessions.list(request({})))
+    expect(items.find(item => item.sessionId === sessionId)?.cwd).toBe(cwd)
+  })
+
+  it('fails loud when the project directory cannot be created', async () => {
+    const { api } = await boot()
+    const root = mkdtempSync(join(tmpdir(), 'dsh-host-create-cwd-fail-'))
+    const blocker = join(root, 'file-not-dir')
+    writeFileSync(blocker, 'x')
+    const response = await api.sessions.create(request({ cwd: join(blocker, 'child') }))
+    expect(response.result.ok).toBe(false)
+    if (response.result.ok) throw new Error('expected mkdir failure')
+    expect(response.result.error.code).toBe('internal')
+    expect(response.result.error.message).toMatch(/failed to ensure project directory/)
+  })
 })
 
 describe('sessions.prompt / cancel', () => {
@@ -390,7 +413,7 @@ describe('sessions.prompt / cancel', () => {
     const { api, ctx } = running
     const { sessionId } = expectOk(await api.sessions.create(request({})))
     const agent = ctx.agents.get(sessionId) as Agent
-    agent.send([{ type: 'text', text: 'run forever' }])
+    agent.followup([{ type: 'text', text: 'run forever' }])
     expectOk(await api.sessions.cancel(request({ sessionId })))
 
     const missing = await api.sessions.cancel(request({ sessionId: 'session-none' as SessionId }))
@@ -409,7 +432,7 @@ describe('sessions.history', () => {
     const { sessionId } = expectOk(await first.api.sessions.create(request({})))
     const agent = first.ctx.agents.get(sessionId) as Agent
     const idle = waitForIdle(first.ctx, agent)
-    agent.send([{ type: 'text', text: 'save me' }])
+    agent.followup([{ type: 'text', text: 'save me' }])
     await idle
     const titleEvent = await appendTitle(first.ctx, agent, 'Persisted title')
     await first.dispose()
@@ -458,7 +481,7 @@ describe('sessions.history', () => {
     const agent = ctx.agents.get(sessionId) as Agent
     for (const text of ['q1', 'q2', 'q3']) {
       const idle = waitForIdle(ctx, agent)
-      agent.send([{ type: 'text', text }])
+      agent.followup([{ type: 'text', text }])
       await idle
     }
 
@@ -529,7 +552,7 @@ describe('events streams', () => {
 
     const agent = ctx.agents.get(sessionId) as Agent
     const idle = waitForIdle(ctx, agent)
-    agent.send([{ type: 'text', text: 'go' }])
+    agent.followup([{ type: 'text', text: 'go' }])
     await idle
     const live = await stream.next()
     expect((live.value as RpcRequest<MuxFrame>).payload.type).toBe('session/event')
@@ -592,7 +615,7 @@ describe('events streams', () => {
 
     const agent = ctx.agents.get(sessionId) as Agent
     const idle = waitForIdle(ctx, agent)
-    agent.send([{ type: 'text', text: 'run' }])
+    agent.followup([{ type: 'text', text: 'run' }])
     await idle
     const runningFrame = await stream.next()
     expect((runningFrame.value as RpcRequest<HostFrame>).payload).toMatchObject({ type: 'host/session-status', running: true })