Auto-deploy backend from GitHub Actions

app/services/chat_service.py

@@ -6,7 +6,7 @@ from fastapi import HTTPException
 
 # Keep temperature low for factual, focused tutoring
 llm = ChatGoogleGenerativeAI(
-    model="gemini-3-flash", google_api_key=settings.GEMINI_API_KEY, temperature=0.4
+    model="gemini-2.5-flash", google_api_key=settings.GEMINI_API_KEY, temperature=0.4
 )
 
 

app/services/llm_service.py

@@ -18,7 +18,7 @@ from app.schemas.cards import LearningDeckResponse
 # 1. GLOBAL LLM INITIALIZATION
 # ==========================================
 llm = ChatGoogleGenerativeAI(
-    model="gemini-3-flash",
+    model="gemini-2.5-flash",
     google_api_key=settings.GEMINI_API_KEY,
     temperature=0.7,
     max_retries=2,  # Built-in retry logic for brief network hiccups