Merge branch 'codex/simp-ui-identity-residue' into codex/simp-hide-concrete-agent-loop

# Conflicts:
#	docs/event-producer-consumer.md
#	examples/coding-agent/tests/code-mode.e2e.ts
#	examples/coding-agent/tests/harness.ts
#	examples/coding-agent/tests/resume.e2e.ts
#	examples/cordis-agent/tests/harness.ts
#	packages/bash/tool-bash/tests/integration.spec.ts
#	packages/compact/compact-basic/tests/compact-loop-repro.spec.ts
#	packages/cordis/tool-cordis/tests/integration.spec.ts
#	packages/core/agent-loop/tests/contract-regressions.spec.ts
#	packages/guard/repeat-tool-guard/tests/repeat-tool-guard.spec.ts
#	packages/hooks/hooks-claude/tests/bridge.spec.ts
#	packages/hooks/hooks-claude/tests/coverage.spec.ts
#	packages/hooks/hooks-codex/tests/bridge.spec.ts
#	packages/hooks/hooks-codex/tests/coverage.spec.ts
#	packages/todo/tool-todo/tests/integration.spec.ts

examples/coding-agent/tests/resume.e2e.ts

@@ -39,7 +39,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('resume: continue a persisted ses
     ctx = await codingHarness(process.cwd(), { persona: SYSTEM_PROMPT, persistenceRoot: root })
     const first = (await ctx.agents.create({
       sessionId: SESSION_ID,
-      agentOptions: { model: 'deepseek-v4-flash' },
+      agentOptions: { provider: 'deepseek', model: 'deepseek-v4-flash' },
     })).agent
     first.send([{ type: 'text', text: `Remember this code for later: ${SECRET}. Just acknowledge it.` }])
     await waitForIdle(ctx, first)
@@ -52,7 +52,7 @@ describe.skipIf(!process.env.DEEPSEEK_API_KEY)('resume: continue a persisted ses
     ctx = await codingHarness(process.cwd(), { persona: SYSTEM_PROMPT, persistenceRoot: root })
     const resumed = (await ctx.agents.resume({
       resumeSessionId: SESSION_ID,
-      agentOptions: { model: 'deepseek-v4-flash' },
+      agentOptions: { provider: 'deepseek', model: 'deepseek-v4-flash' },
     })).agent
     expect(resumed.session.id).toBe(SESSION_ID)
     // The prior user turn is in the rehydrated log before the model is asked.