🔧 Enable voice features and hybrid LLM by default

- Set ENABLE_VOICE_FEATURES default to 'true' to enable voice processing
- Set USE_HYBRID_LLM default to 'true' to enable Groq + Gemini hybrid system
- This fixes the 'Voice features are not enabled' error on deployed backend

config.py

@@ -13,7 +13,7 @@ LANGCHAIN_TRACING_V2 = os.environ.get("LANGCHAIN_TRACING_V2", "false").lower() =
 LANGCHAIN_PROJECT = os.environ.get("LANGCHAIN_PROJECT", "voice-bot-government-docs")
 
 # Hybrid LLM Configuration
-USE_HYBRID_LLM = os.environ.get("USE_HYBRID_LLM", "false").lower() == "true"
+USE_HYBRID_LLM = os.environ.get("USE_HYBRID_LLM", "true").lower() == "true"  # Default to enabled
 FAST_LLM_PROVIDER = os.environ.get("FAST_LLM_PROVIDER", "groq")
 COMPLEX_LLM_PROVIDER = os.environ.get("COMPLEX_LLM_PROVIDER", "gemini")
 
@@ -26,7 +26,7 @@ GEMINI_MODEL = os.environ.get("GEMINI_MODEL", "gemini-1.5-pro-latest")
 GEMINI_TEMPERATURE = float(os.environ.get("GEMINI_TEMPERATURE", "0.7"))
 
 # Voice Features Configuration
-ENABLE_VOICE_FEATURES = os.environ.get("ENABLE_VOICE_FEATURES", "false").lower() == "true"
+ENABLE_VOICE_FEATURES = os.environ.get("ENABLE_VOICE_FEATURES", "true").lower() == "true"  # Default to enabled
 TTS_PROVIDER = os.environ.get("TTS_PROVIDER", "edge-tts")
 ASR_PROVIDER = os.environ.get("ASR_PROVIDER", "whisper")
 VOICE_LANGUAGE = os.environ.get("VOICE_LANGUAGE", "en-US")