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

# Conflicts:
#	AGENTS.md
#	docs/config-catalog.md
#	docs/module-graph.md
#	examples/echo-agent/composition.md
#	packages/README.md
#	packages/core/README.md
#	packages/examples/acp-demo/package.json
#	packages/examples/acp-demo/src/index.ts
#	packages/examples/acp-demo/tests/acp-agent.spec.ts
#	packages/examples/acp-demo/tests/built-bin.e2e.ts
#	packages/examples/acp-demo/tsconfig.json
#	packages/examples/agent-spine-demo/README.md
#	packages/examples/agent-spine-demo/package.json
#	packages/examples/agent-spine-demo/tests/agent-core.spec.ts
#	packages/examples/stdio-demo/package.json
#	packages/examples/stdio-demo/src/index.ts
#	packages/examples/stdio-demo/tests/built-bin.e2e.ts
#	packages/examples/stdio-demo/tests/stdio-agent.spec.ts
#	packages/examples/stdio-demo/tsconfig.json
#	pnpm-lock.yaml
#	python/sdk-runtime/README.i18n.yaml
#	python/sdk-runtime/src/deepseek_harness_runtime/runtime/cordis.yml
#	python/sdk/tests/test_bundled_runtime.py

examples/coding-agent/cordis.yml

@@ -1,5 +1,5 @@
-# REPL agent with swappable DeepSeek and local-bash backends. `dsh-stdio-agent`
-# supplies the agent-core spine, logging, JSONL persistence, readline UI, and `main` agent.
+# REPL agent with swappable DeepSeek and local-bash backends. `dsh-stdio-demo`
+# supplies the agent-spine-demo spine, logging, JSONL persistence, readline UI, and `main` agent.
 # HMR remains a leaf because it requires Loader internals; `demo:repl` passes
 # `--expose-internals`. The app bin loads the gitignored root `.env`; this file
 # reads `DEEPSEEK_API_KEY` and optional `DEEPSEEK_BASE_URL` through `!!js`.
@@ -29,7 +29,7 @@
 
 # The app bundle pre-creates the REPL's `main` agent.
 - id: stdio-agent
-  name: '@deepseek-ai/dsh-stdio-agent'
+  name: '@deepseek-ai/dsh-stdio-demo'
   config:
     model: deepseek-v4-flash
     # Set RESUME_SESSION_ID to continue a prior persisted session (the ids live