Merge remote-tracking branch 'origin/master' into codex/project-instruction-files

# Conflicts:
#	AGENTS.md
#	docs/architecture.md
#	docs/event-producer-consumer.md
#	docs/module-graph.md
#	docs/rfc/INDEX.md
#	packages/bash/bash-local/tests/executor.spec.ts
#	packages/bash/bash-local/tests/run.spec.ts
#	packages/core/agent-core/src/index.ts
#	packages/core/agent-core/tests/agent-core.spec.ts
#	packages/fs/fs-local/src/fsio.ts
#	packages/ui/acp-agent/package.json
#	packages/ui/acp-agent/src/index.ts
#	packages/ui/acp-agent/tsconfig.json
#	packages/ui/stdio-agent/package.json
#	packages/ui/stdio-agent/tsconfig.json
#	packages/util/README.md
#	pnpm-lock.yaml
#	tsconfig.build.json
#	tsconfig.json

packages/ui/stdio-agent/tests/stdio-agent.spec.ts

@@ -2,6 +2,7 @@ import { describe, it, expect } from 'vitest'
 import { Context } from 'cordis'
 import Loader from '@cordisjs/plugin-loader'
 import { AgentId } from '@deepseek-ai/dsh-agent'
+import { TOOL_ORDER_REST } from '@deepseek-ai/dsh-system-prompt'
 import * as stdioAgent from '../src/index.ts'
 
 /**
@@ -36,6 +37,8 @@ describe('dsh-stdio-agent app', () => {
     expect(ctx.get('agents')).toBeDefined()
     expect(ctx.get('agentLoop')).toBeDefined()
     expect(ctx.get('sessionPersistence')).toBeDefined()
+    expect(ctx.get('userInteraction')).toBeDefined()
+    expect(ctx.get('tools')?.get('ask_user_question')).toBeDefined()
     // The pre-created `main` agent the UI drives.
     expect(ctx.get('agents')?.get(AgentId('main'))).toBeDefined()
     await ctx.fiber.dispose()
@@ -85,6 +88,27 @@ describe('dsh-stdio-agent app', () => {
     expect(stdioAgent.Config).toBeDefined()
   })
 
+  it('forwards toolOrder through agent-core to the system-prompt assembly', async () => {
+    const ctx = await mount({
+      model: 'mock',
+      toolOrder: ['zulu', TOOL_ORDER_REST],
+      persistenceRoot: '/tmp/dsh-stdio-agent-spec-tool-order',
+    })
+    // The bundle's own bash tools pend on the absent `ctx.bash` executor in
+    // this providerless mount, so register two plain tools to order.
+    for (const name of ['alpha', 'zulu']) {
+      ctx.get('tools')!.register({
+        name,
+        description: name,
+        parameters: {},
+        execute: async () => [],
+      })
+    }
+    const assembly = await ctx.get('systemPrompt')!.assemble()
+    expect(assembly.tools.map(tool => tool.name)).toEqual(['zulu', 'alpha', 'ask_user_question'])
+    await ctx.fiber.dispose()
+  })
+
   it('has the namespace-plugin export shape (no stray default) so the Loader keeps name/Config/apply', () => {
     // Postmortem 0001 guard: a stray `export default apply` makes the Loader's
     // `unwrapExports` (`exports.default ?? exports`) collapse the module to the