Infrastructure: Implement master/dev/vX branching, save git path, and fix username casing

backend/check_models.py

@@ -0,0 +1,20 @@
+import os
+import google.generativeai as genai
+from dotenv import load_dotenv
+
+load_dotenv()
+API_KEY = os.environ.get("GEMINI_API_KEY")
+
+if not API_KEY:
+    print("Error: GEMINI_API_KEY not found in .env")
+    exit(1)
+
+genai.configure(api_key=API_KEY)
+
+print(f"Checking available models for your API key...")
+try:
+    for m in genai.list_models():
+        if 'generateContent' in m.supported_generation_methods:
+            print(f"- {m.name}")
+except Exception as e:
+    print(f"Error listing models: {e}")