# Executed Tasks Report

This document lists the technical tasks executed across the project.

## Story: Project Setup & Infrastructure (General)
*   Initialize project repository and structure for Backend and Frontend.
*   Configure Google Cloud Project and enable required APIs (Drive, Gmail, Chat).
*   Set up PostgreSQL database with `pgvector` extension.
*   Implement database connection and session management.
*   Create SQL migration scripts for initial schema.
*   Implement Google OAuth service for authentication flow.
*   Create User and Account entities for credential management.
*   Implement global exception handling and standardized API responses.
*   Set up main API routing structure.
*   Setup Secrets management for sensitive configurations.

## Story: Chat-like interface for users to query in natural language
*   Create React/Vite frontend application with Chat UI.
*   Develop Conversation API to handle user queries.
*   Integrate Frontend with Backend APIs.
*   Implement Backend Enterprise Agent for conversation flow.
*   Integrate RAG Service into the agent for context awareness.
*   Build RAG pipeline for embedding generation and vector search.
*   Implement vector search logic combining multiple data sources.

## Story: Integrate with connected cloud storage system - Google Drive
*   Design and implement database schema for Folders and Documents.
*   Implement Service Account authentication for system sync.
*   Implement OAuth authentication for user sync.
*   Build Google Drive Service wrapper.
*   Implement Synchronization Logic for recursive folder traversal.
*   Implement file filtering to support Google Docs and binaries.
*   Integrate document parsing, chunking, and vectorization into sync process.
*   Develop Drive Sync API.
*   Implement Drive Scheduler for periodic background sync.

## Story: Integrate with connected Email inboxes - Corporate Email
*   Design database schema for Threads and Messages.
*   Build Gmail Service wrapper.
*   Implement complex MIME type parsing for email body extraction.
*   Implement attachment handling and RAG ingestion.
*   Develop Gmail Sync API.
*   Implement Gmail Scheduler for periodic background sync.
*   Add search query and date-based filtering to sync logic.

## Story: Integrate with connected enterprise chat system - Google Chat
*   Design database schema for Spaces, Members, and Messages.
*   Build Google Chat Service wrapper.
*   Implement sync logic for Spaces, Members, and Messages.
*   Implement client-side date filtering for Spaces and Members.
*   Fix text embedding generation for chat messages.
*   Configure Google Chat API application settings in Google Cloud Console.
*   Implement logic to authenticate via Service Account (JWT).
*   Implement Service account based Google Chat sync.