Add .env loading to all scripts (simulate_merge, refresh_stale, mcp_server)

mcp_server.py

@@ -3,6 +3,16 @@
 import os
 import sys
 import json
+from pathlib import Path
+
+# Load .env if present
+_env_file = Path(__file__).parent / ".env"
+if _env_file.exists():
+    for line in _env_file.read_text().splitlines():
+        line = line.strip()
+        if line and not line.startswith("#") and "=" in line:
+            key, _, val = line.partition("=")
+            os.environ.setdefault(key.strip(), val.strip())
 
 sys.path.insert(0, os.path.dirname(__file__))