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/inbox.py

@@ -2,8 +2,9 @@ from fastapi import APIRouter, HTTPException, Depends, Query
 from app.database import get_supabase
 from app.dependencies import get_current_user
 from app.config import PLAN_LIMITS
-from app.models import InboxConversation, InboxMessage
+from app.models import InboxConversation, InboxMessage, ConversationStatusUpdate, AgentReplyCreate
 from typing import List, Optional
+import uuid
 import logging
 
 logger = logging.getLogger(__name__)
@@ -79,6 +80,8 @@ async def list_inbox_conversations(
             language=conv.get("language", "en"),
             message_count=conv.get("message_count", 0),
             first_message=first_message_text,
+            status=conv.get("status", "open"),
+            last_agent_reply_at=conv.get("last_agent_reply_at"),
             created_at=conv.get("created_at"),
         ))
 
@@ -137,6 +140,67 @@ async def get_inbox_conversation(
     }
 
 
+@router.patch("/conversations/{conversation_id}/status")
+async def update_conversation_status(
+    conversation_id: str,
+    data: ConversationStatusUpdate,
+    user=Depends(get_current_user),
+):
+    """Update conversation status (open, agent_handling, resolved)."""
+    if data.status not in ("open", "agent_handling", "resolved"):
+        raise HTTPException(status_code=400, detail="Invalid status")
+
+    supabase = get_supabase()
+    _check_inbox_access(user.id, supabase)
+    company_id = _get_user_company_id(user.id, supabase)
+
+    conv = supabase.table("conversations").select("*, chatbots(company_id)") \
+        .eq("id", conversation_id).execute()
+    if not conv.data:
+        raise HTTPException(status_code=404, detail="Conversation not found")
+    if conv.data[0].get("chatbots", {}).get("company_id") != company_id:
+        raise HTTPException(status_code=403, detail="Not authorized")
+
+    supabase.table("conversations").update({"status": data.status}).eq("id", conversation_id).execute()
+    return {"success": True, "status": data.status}
+
+
+@router.post("/conversations/{conversation_id}/reply")
+async def agent_reply(
+    conversation_id: str,
+    data: AgentReplyCreate,
+    user=Depends(get_current_user),
+):
+    """Send an agent reply to a conversation."""
+    supabase = get_supabase()
+    _check_inbox_access(user.id, supabase)
+    company_id = _get_user_company_id(user.id, supabase)
+
+    conv = supabase.table("conversations").select("*, chatbots(company_id)") \
+        .eq("id", conversation_id).execute()
+    if not conv.data:
+        raise HTTPException(status_code=404, detail="Conversation not found")
+    if conv.data[0].get("chatbots", {}).get("company_id") != company_id:
+        raise HTTPException(status_code=403, detail="Not authorized")
+
+    msg_id = str(uuid.uuid4())
+    supabase.table("messages").insert({
+        "id": msg_id,
+        "conversation_id": conversation_id,
+        "role": "agent",
+        "content": data.message,
+    }).execute()
+
+    # Mark as agent_handling if not already, and record reply time
+    current_status = conv.data[0].get("status", "open")
+    update_data: dict = {"last_agent_reply_at": "now()"}
+    if current_status == "open":
+        update_data["status"] = "agent_handling"
+    supabase.table("conversations").update(update_data).eq("id", conversation_id).execute()
+
+    return {"success": True, "message_id": msg_id}
+
+
 @router.delete("/conversations/{conversation_id}")
 async def delete_inbox_conversation(
     conversation_id: str,