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feat: add live Discord sharing functionality with dynamic habit progress images

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- Implemented live card image generation for user habits using canvas.
- Created API endpoints for starting and managing live Discord sharing sessions.
- Added tests for live Discord sharing to ensure functionality and reliability.
- Introduced CSS styles for the live Discord sharing interface.
- Enhanced error handling and state management for Discord message updates.
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syntaxbullet
2026-09-07 11:36:47 +02:00
parent 00729096bf
commit c7aa5a1c65
22 changed files with 2792 additions and 7 deletions
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README.md
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@@ -405,3 +405,11 @@ The disposable `SHARE_PREVIEW=1 bun scripts/dashboard-preview.ts` mode also runs
reminder worker against a local transport stub. Set a reminder to `14:00` (its fixed
Europe/Belgrade time), leave a habit unfinished, and inspect delivery status in
settings or `/__preview/reminder`. No real Discord messages are sent in this mode.
### Live Discord image
Open **Share progress → Live image · 16:9** to preview/download a 1920×1080 PNG with every active habit and a rolling 30-day history. **Share live image** posts the attachment through the configured bot; later changes replace the attachment on that same Discord message after a two-second trailing debounce. There is no public live link. Display name, habit names, and progress are shared; task details remain private. Newly created active habits are included automatically.
Rendering and updates run on the server even when the dashboard is closed. Identical card content skips Discord edits. Message IDs, themes, and retry state persist in SQLite; known messages resume after restart. Rate-limited edits honor Discord's retry delay. When an update confirms the old message was deleted, the bot posts a replacement and saves its new message ID. Missing channels or permissions do not trigger replacement posts. An unconfirmed initial or replacement post is never automatically repeated. **Stop updates** leaves the last image in Discord; **Resume updates** edits the original message again.
Development uses `bun --watch` so source edits restart the process and recreate the background worker; in-process hot reload can leave its timers stalled. The worker assumes one Bun API process per database. Reverse proxies need no special streaming configuration. Run the normal migrations/build/start workflow to install the live-image table and bundle its font; the server uses `@napi-rs/canvas` for PNG rendering. The previous experimental public-link table is removed by migration 0010.