Merge remote-tracking branch 'origin/master' into worktree/provider-routed-llm-adapters

# Conflicts:
#	docs/config-catalog.md
#	docs/cordis-catalog/events.md
#	docs/cordis-catalog/services.md
#	docs/core-data-structures/core.md
#	docs/event-producer-consumer.md
#	docs/persistence-catalog.md
#	examples/acp-agent/tests/snapshots/advanced-toolchain/session.1.jsonl
#	examples/acp-agent/tests/snapshots/advanced-toolchain/session.2.jsonl
#	examples/acp-agent/tests/snapshots/advanced-toolchain/session.jsonl
#	examples/acp-agent/tests/snapshots/both-mode-turn/session.jsonl
#	examples/acp-agent/tests/snapshots/hook-cc-pretool-ask/session.jsonl
#	examples/acp-agent/tests/snapshots/skill-load/session.jsonl
#	examples/acp-agent/tests/snapshots/text-turn/session.jsonl
#	examples/sandbox-acp-agent/cordis.yml
#	examples/sandbox-acp-agent/tests/snapshots/escalation-approved/session.jsonl
#	examples/sandbox-acp-agent/tests/snapshots/escalation-rejected/session.jsonl
#	examples/sandbox-acp-agent/tests/snapshots/mode-switching/session.jsonl
#	packages/compact/compact-basic/README.md
#	packages/compact/compact-basic/src/index.ts
#	packages/compact/compact-basic/tests/compact-basic.spec.ts
#	packages/core/agent-loop/README.md
#	packages/core/agent-loop/src/loop.ts
#	packages/core/agent-loop/tests/properties.spec.ts
#	packages/core/session/README.md
#	packages/core/session/src/types.ts
#	packages/core/session/tests/derived-cache.spec.ts
#	packages/llm/llm-deepseek/src/index.ts
#	packages/llm/llm-pi-ai/README.md
#	packages/llm/llm-pi-ai/src/adapter.ts
#	packages/llm/llm-pi-ai/src/convert.ts
#	packages/llm/llm-pi-ai/tests/adapter.spec.ts
#	packages/llm/llm/README.md
#	packages/llm/llm/src/call-config.ts
#	packages/llm/llm/src/index.ts
#	packages/ui/acp-agent/src/index.ts
#	packages/ui/acp/tests/harness.ts
#	packages/ui/jsonrpc/README.md
#	packages/ui/jsonrpc/src/server.ts
#	packages/ui/stdio-agent/README.md
#	packages/ui/stdio-agent/src/index.ts
#	python/sdk/README.i18n.yaml

packages/workflow/workflow-workerthread/tests/session.spec.ts

@@ -448,10 +448,7 @@ describe('runWorkerSession over an in-process MessageChannel', () => {
     void runWorkerSession(host.port, init("return await agent('p')"))
     await vi.waitFor(() => { expect(host.ofType(WorkerToHostType.ChildStart).length).toBe(1) })
     const callId = host.ofType(WorkerToHostType.ChildStart)[0]!.callId
-    // Cancel FIRST, then the (stale) started reply: the worker processes them
-    // in order, so the agent() continuation resumes already-cancelled — the
-    // window the real host cannot produce (it refuses starts once cancelled)
-    // but a teardown race can.
+    // Simulate a teardown race by delivering cancellation before a stale start reply.
     host.send({ type: HostToWorkerType.Cancel, reason: 'raced the start' })
     host.send({ type: HostToWorkerType.ChildStarted, callId, childId: 'child-0' })
     const result = await host.result()
@@ -459,7 +456,7 @@ describe('runWorkerSession over an in-process MessageChannel', () => {
     await vi.waitFor(() => {
       expect(host.ofType(WorkerToHostType.ChildDispose).map(m => m.callId)).toContain(callId)
     })
-    // The child never became an agent-start: it was wound down pre-lifecycle.
+    // The unpublished child is disposed without a lifecycle announcement.
     expect(host.ofType(WorkerToHostType.AgentStart)).toEqual([])
     host.close()
   })