docs(sdk): fix stale GitHub URL to internal repo

Update the molecule-core docs URL in CLAUDE.md from the suspended
github.com/hongmingw/molecule-monorepo to the correct internal
repo URL on git.moleculesai.app.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

CLAUDE.md

@@ -233,4 +233,4 @@ python -m molecule_agent verify-sha256 ./my-plugin-dir
   triage.
 - **CLAUDE.md/PLAN.md sync PRs:** treat these as always noteworthy.
 - **molecule-core docs:** Full platform `PLAN.md` and architecture docs at
-  `https://github.com/hongmingw/molecule-monorepo`
+  `https://git.moleculesai.app/molecule-ai/internal`

examples/remote-agent/run.py

@@ -41,12 +41,12 @@ import os
 import sys
 
 # Local-dev import path — when installed via pip the molecule_agent package
-# resolves normally; when running from the repo checkout we add the repo root
+# resolves normally; when running from the repo checkout we add sdk/python/
 # to sys.path so you can run `python3 run.py` without a pip install.
 _here = os.path.dirname(os.path.abspath(__file__))
-_repo_root = os.path.normpath(os.path.join(_here, "..", ".."))
-if _repo_root not in sys.path:
-    sys.path.insert(0, _repo_root)
+_sdk = os.path.join(_here, "..", "..", "sdk", "python")
+if os.path.isdir(_sdk) and _sdk not in sys.path:
+    sys.path.insert(0, _sdk)
 
 from molecule_agent import RemoteAgentClient  # noqa: E402