Add subcription feature

services/auth/app/schemas/auth.py

@@ -20,7 +20,8 @@ class UserRegistration(BaseModel):
     tenant_name: Optional[str] = Field(None, max_length=255)
     role: Optional[str] = Field("admin", pattern=r'^(user|admin|manager|super_admin)$')
     subscription_plan: Optional[str] = Field("starter", description="Selected subscription plan (starter, professional, enterprise)")
-    use_trial: Optional[bool] = Field(False, description="Whether to use trial period")
+    billing_cycle: Optional[str] = Field("monthly", description="Billing cycle (monthly, yearly)")
+    coupon_code: Optional[str] = Field(None, description="Discount coupon code")
     payment_method_id: Optional[str] = Field(None, description="Stripe payment method ID")
     # GDPR Consent fields
     terms_accepted: Optional[bool] = Field(True, description="Accept terms of service")
@@ -76,6 +77,7 @@ class TokenResponse(BaseModel):
     token_type: str = "bearer"
     expires_in: int = 3600  # seconds
     user: Optional[UserData] = None
+    subscription_id: Optional[str] = Field(None, description="Subscription ID if created during registration")
 
     class Config:
         schema_extra = {
@@ -92,7 +94,8 @@ class TokenResponse(BaseModel):
                     "is_verified": False,
                     "created_at": "2025-07-22T10:00:00Z",
                     "role": "user"
-                }
+                },
+                "subscription_id": "sub_1234567890"
             }
         }
 
@@ -110,6 +113,8 @@ class UserResponse(BaseModel):
     timezone: Optional[str] = None  # ✅ Added missing field
     tenant_id: Optional[str] = None
     role: Optional[str] = "admin"
+    payment_customer_id: Optional[str] = None  # ✅ Added payment integration field
+    default_payment_method_id: Optional[str] = None  # ✅ Added payment integration field
 
     class Config:
         from_attributes = True  # ✅ Enable ORM mode for SQLAlchemy objects