models + refactor

config.py

@@ -24,6 +24,16 @@ class Settings(BaseSettings):
     # External API
     EXTERNAL_API_SECRET: Optional[str] = None
 
+    # Daily Scheduler
+    SCHEDULER_CHARACTER_ID: Optional[str] = None  # Character ID used for daily generation
+
+    # Meta Platform (Instagram Graph API)
+    META_ACCESS_TOKEN: Optional[str] = None         # Long-lived page/Instagram access token
+    META_INSTAGRAM_ACCOUNT_ID: Optional[str] = None  # Instagram Business Account ID
+
+    # AI Proxy Security
+    PROXY_SECRET_SALT: str = "AbVJUkwTPcUWJWhPzmjXb5p4SYyKmYC5m1uVW7Dhi7o"
+
     # JWT Security
     SECRET_KEY: str = "CHANGE_ME_TO_A_SUPER_SECRET_KEY"
     ALGORITHM: str = "HS256"