feat(v1): add basic backend and frontend

backend/enhancer_project/env.py

@@ -0,0 +1,34 @@
+import os
+from pathlib import Path
+
+from dotenv import load_dotenv
+
+
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+load_dotenv(BASE_DIR / ".env")
+
+
+def env(name, default=None):
+    return os.environ.get(name, default)
+
+
+def env_bool(name, default=False):
+    value = env(name)
+    if value is None:
+        return default
+    return value.lower() in {"1", "true", "yes", "on"}
+
+
+def env_int(name, default):
+    value = env(name)
+    if value is None or value == "":
+        return default
+    return int(value)
+
+
+def env_list(name, default=""):
+    value = env(name, default)
+    if not value:
+        return []
+    return [item.strip() for item in value.split(",") if item.strip()]