feat(billing): add complimentary status, fix is_paid, add has_pro_entitlement

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/app/models/subscription.py

@@ -32,8 +32,20 @@ class Subscription(Base):
 
     @property
     def is_active(self) -> bool:
-        return self.status in ("active", "trialing")
+        return self.status in ("active", "trialing", "complimentary")
 
     @property
     def is_paid(self) -> bool:
-        return self.plan in ("pro", "team")
+        # Excludes complimentary and trialing so MRR/paid-customer metrics aren't inflated.
+        return self.plan in ("pro", "team") and self.status not in ("complimentary", "trialing")
+
+    @property
+    def has_pro_entitlement(self) -> bool:
+        """True if the account can access Pro features right now."""
+        if self.plan in ("pro", "team"):
+            if self.status in ("active", "complimentary"):
+                return True
+        if self.status == "trialing" and self.current_period_end is not None:
+            from datetime import datetime, timezone
+            return self.current_period_end > datetime.now(timezone.utc)
+        return False