Merge origin/master into feat/preset-scoped-schedule-tools

Resolutions:
- `python/sdk-runtime/package.json` and `pnpm-lock.yaml` keep both sides'
  additions (`@deepseek-ai/dsh-otel` beside the schedule packages).
- The generated graph pages are re-emitted from the merged sources.

python/sdk-runtime/package.json

@@ -162,6 +162,7 @@
     "@deepseek-ai/dsh-web-search-perplexity": "workspace:*",
     "@deepseek-ai/dsh-workflow": "workspace:*",
     "@deepseek-ai/dsh-workflow-ptc": "workspace:*",
+    "@deepseek-ai/dsh-otel": "workspace:*",
     "@deepseek-ai/dsh-workspace": "workspace:*",
     "@deepseek-ai/schemastery": "workspace:~"
   }