fix: update confirm base URL to adiuvai.com and success messages for double opt-in

app/config.py

@@ -17,7 +17,7 @@ class Settings(BaseSettings):
 
     # Confirmation link
     CONFIRM_SECRET: str = secrets.token_hex(32)  # override in production .env
-    CONFIRM_BASE_URL: str = "https://waitlist.adiuvai.com"
+    CONFIRM_BASE_URL: str = "https://adiuvai.com"
     CONFIRM_TOKEN_EXPIRY_HOURS: int = 48
 
     model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}

app/schemas.py

@@ -9,4 +9,4 @@ class WaitlistRequest(BaseModel):
 
 class WaitlistResponse(BaseModel):
     ok: bool = True
-    message: str = "You're on the list!"
+    message: str = "Check your inbox for a confirmation link!"