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/echo-agent/cordis.yml

@@ -3,7 +3,7 @@
 # No API key: the `mock-echo` adapter never touches the network.
 
 # Hot-module reload for the dev/demo loop (a leaf entry, not baked into
-# dsh-stdio-agent — it needs `node --expose-internals`, which `demo:echo` passes).
+# dsh-stdio-demo — it needs `node --expose-internals`, which `demo:echo` passes).
 - id: hmr
   name: '@cordisjs/plugin-hmr'
   config:
@@ -16,13 +16,13 @@
 - id: echo-tool
   name: './src/echo-tool.ts'
 
-# Local bash executor: agent-core ships the `tool-bash` consumer schema, so the
+# Local bash executor: agent-spine-demo ships the `tool-bash` consumer schema, so the
 # leaf provides the executor it runs on (the echo demo doesn't drive bash, but
 # the tool is part of the shared spine).
 - id: bash
   name: '@deepseek-ai/dsh-bash-local'
 
-# Local filesystem provider for agent-core's workspace-context loader. This
+# Local filesystem provider for agent-spine-demo's workspace-context loader. This
 # does not expose model-facing read/write/edit tools in the echo demo.
 - id: fs-local
   name: '@deepseek-ai/dsh-fs-local'
@@ -31,7 +31,7 @@
 
 # The app pre-creates `main` on the mock model and supplies logging, persistence, and readline UI.
 - id: stdio-agent
-  name: '@deepseek-ai/dsh-stdio-agent'
+  name: '@deepseek-ai/dsh-stdio-demo'
   config:
     model: mock-echo
     persona: 'You are echo-agent, a demo agent.'