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

- 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.

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "type": "module",
   "scripts": {
-    "dev": "NODE_ENV=development bun --env-file=.env --env-file=.env.development scripts/migrate.ts && NODE_ENV=development bun --env-file=.env --env-file=.env.development --hot src/index.ts",
+    "dev": "NODE_ENV=development bun --env-file=.env --env-file=.env.development scripts/migrate.ts && NODE_ENV=development bun --env-file=.env --env-file=.env.development --watch src/index.ts",
     "start": "NODE_ENV=production bun --env-file=.env --env-file=.env.production scripts/migrate.ts && NODE_ENV=production bun --env-file=.env --env-file=.env.production scripts/start.ts",
     "build": "bun run build.ts",
     "typecheck": "tsc --noEmit",
@@ -19,6 +19,7 @@
     "monitor": "bun --env-file=.env --env-file=.env.production scripts/monitor.ts"
   },
   "dependencies": {
+    "@napi-rs/canvas": "^1.0.8",
     "@nivo/calendar": "^0.99.0",
     "bun-plugin-tailwind": "^0.1.2",
     "class-variance-authority": "^0.7.1",