feat: add appointments, campaigns, admin, storage, tests and various updates

- Add new routers: admin, appointments, campaigns
- Add storage service and logging config
- Add migrations directory and test suite with pytest config
- Add supabase_migration_features.sql
- Update models, dependencies, config, and existing routers
- Remove whatsapp_service (deleted)
- Update pyproject.toml and uv.lock dependencies

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/routers/auth.py

@@ -58,6 +58,12 @@ async def signup(data: UserSignup):
             }
         ).execute()
 
+        # Safety-net: ensure user_profiles row exists (trigger should handle it, but just in case)
+        try:
+            supabase.table("user_profiles").insert({"user_id": user.id}).execute()
+        except Exception:
+            pass  # Row may already exist from trigger
+
         token = auth_resp.session.access_token if auth_resp.session else ""
         return TokenResponse(
             access_token=token,
@@ -66,6 +72,7 @@ async def signup(data: UserSignup):
                 email=user.email,
                 company_name=data.company_name,
                 plan="free",
+                is_admin=False,
             ),
         )
     except HTTPException:
@@ -109,6 +116,13 @@ async def login(data: UserLogin):
         )
         plan = sub.data[0]["plan"] if sub.data else "free"
 
+        # Get is_admin flag
+        try:
+            profile = supabase.table("user_profiles").select("is_admin").eq("user_id", user.id).execute()
+            is_admin = profile.data[0].get("is_admin", False) if profile.data else False
+        except Exception:
+            is_admin = False
+
         return TokenResponse(
             access_token=auth_resp.session.access_token,
             user=UserResponse(
@@ -116,6 +130,7 @@ async def login(data: UserLogin):
                 email=user.email,
                 company_name=company_name,
                 plan=plan,
+                is_admin=is_admin,
             ),
         )
     except HTTPException:
@@ -230,9 +245,16 @@ async def get_me(user=Depends(get_current_user)):
     )
     plan = sub.data[0]["plan"] if sub.data else "free"
 
+    try:
+        profile = supabase.table("user_profiles").select("is_admin").eq("user_id", user.id).execute()
+        is_admin = profile.data[0].get("is_admin", False) if profile.data else False
+    except Exception:
+        is_admin = False
+
     return UserResponse(
         id=user.id,
         email=user.email,
         company_name=company_name,
         plan=plan,
+        is_admin=is_admin,
     )