Add .env file loading — cp .env.example .env and edit

ingest.py

@@ -6,6 +6,15 @@ import time
 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())
+
 from go_parser import parse_go_file, filter_imports, get_repo_module, resolve_import_to_file
 from docgen import generate_file_doc, generate_repo_doc, generate_docs_batch
 from db import GraphDB