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

# Conflicts:
#	docs/config-catalog.md
#	packages/examples/acp-demo/tests/acp-agent.spec.ts
#	packages/examples/stdio-demo/README.md
#	packages/examples/stdio-demo/src/index.ts
#	packages/examples/stdio-demo/tests/stdio-agent.spec.ts

scripts/smoke-python-runtime.py

@@ -55,7 +55,7 @@ CUSTOM_CORDIS = """\
 - id: jsonrpc
   name: '@deepseek-ai/dsh-jsonrpc'
 - id: agent-core
-  name: '@deepseek-ai/dsh-agent-core'
+  name: '@deepseek-ai/dsh-agent-spine-demo'
   config:
     tools:
       mode: both