# Implementation Plan - Real-time Team Collaboration

## Phase 1: Backend Foundation & API Tests [DONE]
- [x] Redis Client Utility & Pub/Sub Setup
- [x] Team Chat API (PostgreSQL + Redis Pub/Sub)
- [x] Redis-backed Presence & Edit Locking

## Phase 2: Frontend Integration & Components [DONE]
- [x] **Chat Widget Pro**: WhatsApp-Style, Ticks, Integrated Time
- [x] **Smart Mentions**: Pills in Input, Atomic Delete, Keyboard Nav
- [x] **Location Sharing**: 📍 Pin-Icon with live-linking
- [x] **Notification Center**: Functional Bell + Toasts
- [x] **Blackboard**: Kanban UI with Shadcn-Selects & Assignments
- [x] **Group Chats**: Multi-select User-UI in Widget

## Phase 3: Advanced Features & Polish [DONE]
- [x] **Task: Full Group UI on Chat Page** [3dbbe03]
    - Port the multi-select logic from Widget to `/dashboard/team/chat`
- [x] **Task: True Read Receipts** [87b04e5]
    - Track `last_read_at` per participant and show who saw the message
- [x] **Task: Media & File Sharing** (SKIPPED - Deferred to future track)
- [x] **Task: Blackboard Drag & Drop** [1ff6bc1]
    - Replace "Next" buttons with intuitive Drag & Drop for tasks
- [x] **Task: Global Chat Search** [ff93c7d]
    - Search within messages across all channels
- [x] **Task: Mobile responsiveness Audit** [63315bf]
    - Fix Header-StatusBar and Chat-Layout for small screens

## Phase 4: Review Fixes
- [x] Task: Apply review suggestions [72c93b5]
