yoo this is a real-time multiplayer kanban board i built with go and websockets. its pretty sick ngl

• Real-time sync - multiple ppl can use it at the same time and see changes instantly
• Drag & dropdrop - just drag tasks between columns (todo, in progress, done)
• Due dates - add due dates to tasks, overdue ones show up in red
• Delete tasks - click the X to delete (syncs across all clients)
• Dark mode - toggle with the moon icon, saves ur preference
• Task counters - shows how many tasks in each column
• Auto-save - everything saves to tasks.json automatically

• Backend: Go 1.25.4 with gorilla/websocket
• Frontend: Vanilla HTML/CSS/JS (no frameworks cuh)
• Storage: JSON file (tasks.json)
• WebSocket: Hub pattern with channels for real-time broadcast

1. make sure u got go installed
2. install dependencies:

   go mod download
3. run the server:

   go run .
4. open ur browser to http://localhost:8080
5. open multiple tabs to test the real-time sync

• main.go - http server, task struct, board logic
• hub.go - websocket hub for managing clients
• client.go - individual websocket client handler
• websocket.go - websocket upgrade handler
• message.go - message handling (add/move/delete tasks)
• persistence.go - save/load tasks from json file
• initial_sync.go - sends existing tasks to new clients
• board.html - kanban ui with drag-drop
• board.css - styles (dark mode included)

• tasks persist across server restarts (saved in tasks.json)
• dark mode preference saved in browser localStorage
• all websocket messages use json format
• mutex locks prevent race conditions on task operations

• user accounts/auth
• task comments
• search/filter
• switch to actual database
• deploy it somewhere

f iwe ihfioe hei

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