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/documents.py

@@ -5,6 +5,7 @@ from app.dependencies import get_current_user
 from app.services.document_processor import process_document
 from app.services.embeddings import embedding_service
 from app.services.vector_store import vector_store
+from app.services.storage import delete_from_storage, extract_storage_path
 from app.config import settings
 from typing import List
 import uuid
@@ -205,10 +206,72 @@ async def delete_document(chatbot_id: str, document_id: str, user=Depends(get_cu
         except Exception as e:
             logger.warning(f"Failed to delete vectors: {e}")
 
+    # Delete file from Supabase Storage
+    if doc.data[0].get("file_url"):
+        delete_from_storage(supabase, "documents", doc.data[0]["file_url"])
+
     supabase.table("documents").delete().eq("id", document_id).execute()
     return SuccessResponse(success=True, message="Document deleted")
 
 
+@router.post("/{document_id}/retry", response_model=DocumentResponse)
+async def retry_document_processing(
+    chatbot_id: str,
+    document_id: str,
+    background_tasks: BackgroundTasks,
+    user=Depends(get_current_user),
+):
+    """Retry processing a failed document."""
+    supabase = get_supabase()
+    chatbot = _get_user_chatbot(chatbot_id, user.id, supabase)
+
+    doc = supabase.table("documents").select("*").eq("id", document_id).eq("chatbot_id", chatbot_id).execute()
+    if not doc.data:
+        raise HTTPException(status_code=404, detail="Document not found")
+
+    document = doc.data[0]
+    if document.get("status") != "failed":
+        raise HTTPException(status_code=400, detail="Only failed documents can be retried")
+
+    file_url = document.get("file_url")
+    if not file_url:
+        raise HTTPException(
+            status_code=400,
+            detail="No file URL stored. Please re-upload this document."
+        )
+
+    # Download file from storage
+    try:
+        path = extract_storage_path(file_url, "documents")
+        if not path:
+            raise HTTPException(status_code=400, detail="Cannot locate file in storage. Please re-upload.")
+        file_bytes = supabase.storage.from_("documents").download(path)
+    except HTTPException:
+        raise
+    except Exception as e:
+        logger.error(f"Failed to download document {document_id} for retry: {e}")
+        raise HTTPException(status_code=400, detail="Cannot retrieve file from storage. Please re-upload.")
+
+    # Reset status to processing
+    result = supabase.table("documents").update({
+        "status": "processing",
+        "error_message": None,
+        "chunk_count": 0,
+    }).eq("id", document_id).execute()
+
+    # Re-enqueue background processing
+    background_tasks.add_task(
+        _process_document_bg,
+        file_bytes=file_bytes,
+        file_name=document["file_name"],
+        doc_id=document_id,
+        chatbot=chatbot,
+        supabase=supabase,
+    )
+
+    return DocumentResponse(**result.data[0])
+
+
 # ── URL Sources ───────────────────────────────────────────────────────────────
 
 @url_router.get("", response_model=List[UrlSourceResponse])