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/leads.py

@@ -2,7 +2,7 @@ from fastapi import APIRouter, HTTPException, Depends, Query
 from fastapi.responses import StreamingResponse
 from app.database import get_supabase
 from app.dependencies import get_current_user
-from app.models import LeadCreate, LeadResponse
+from app.models import LeadCreate, LeadResponse, LeadUpdate
 from typing import List, Optional
 import uuid
 import csv
@@ -60,6 +60,40 @@ async def list_leads(
     return [LeadResponse(**lead) for lead in (result.data or [])]
 
 
+@router.patch("/{lead_id}", response_model=LeadResponse)
+async def update_lead(
+    lead_id: str,
+    data: LeadUpdate,
+    user=Depends(get_current_user),
+):
+    """Update lead status or notes."""
+    supabase = get_supabase()
+    _check_leads_access(user.id, supabase)
+    company_id = _get_user_company_id(user.id, supabase)
+
+    lead = supabase.table("leads").select("*, chatbots(company_id)") \
+        .eq("id", lead_id).execute()
+    if not lead.data:
+        raise HTTPException(status_code=404, detail="Lead not found")
+    if lead.data[0].get("chatbots", {}).get("company_id") != company_id:
+        raise HTTPException(status_code=403, detail="Not authorized")
+
+    update_fields: dict = {}
+    if data.status is not None:
+        valid_statuses = ("new", "contacted", "qualified", "closed", "lost")
+        if data.status not in valid_statuses:
+            raise HTTPException(status_code=400, detail=f"Status must be one of {valid_statuses}")
+        update_fields["status"] = data.status
+    if data.notes is not None:
+        update_fields["notes"] = data.notes
+
+    if not update_fields:
+        return LeadResponse(**lead.data[0])
+
+    result = supabase.table("leads").update(update_fields).eq("id", lead_id).execute()
+    return LeadResponse(**result.data[0])
+
+
 @router.get("/export")
 async def export_leads_csv(
     chatbot_id: Optional[str] = Query(None),