chore(07): remove deprecated bash scripts and legacy env files

backend/ai/gemini.py

@@ -5,6 +5,7 @@ import logging
 from PIL import Image
 from google import genai
 from google.genai import types
+from ..config_loader import get_config
 
 log = logging.getLogger("ainventory")
 
@@ -18,9 +19,10 @@ def get_best_models():
     ]
 
 def extract(image_bytes: bytes, prompt: str):
-    api_key = os.environ.get("GEMINI_API_KEY")
+    config = get_config()
+    api_key = config.get("ai", {}).get("gemini_api_key")
     if not api_key:
-        log.error("CRITICAL: GEMINI_API_KEY is MISSING in environment!")
+        log.error("CRITICAL: gemini_api_key is MISSING in configuration!")
         return None
     
     # Log partial key for safety debug