Add 17 features: My Work view, card copy/numbering, calendar, bulk ops, custom fields, automations, webhooks, invites, import/export, and more

Features implemented across 6 batches:
- Batch A: Fix ColorPicker gradient sync, tenant custom logo, unarchive cards, board backgrounds
- Batch B: My Work view, card copy/duplicate, card numbering (BOARD-123)
- Batch C: Due date reminders (cron), card watching with notifications
- Batch D: Bulk card operations, column sorting, calendar view
- Batch E: Invite by link, board import/export (Pounce + Trello JSON)
- Batch F: Webhooks with HMAC signing, custom fields, automation rules engine

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package-lock.json

@@ -17,6 +17,7 @@
 				"dompurify": "^3.3.1",
 				"express": "^5.1.0",
 				"marked": "^15.0.0",
+				"node-cron": "^3.0.3",
 				"pino": "^10.3.1",
 				"socket.io": "^4.8.0",
 				"socket.io-client": "^4.8.0",
@@ -3112,6 +3113,18 @@
 				"node": "^18 || ^20 || >= 21"
 			}
 		},
+		"node_modules/node-cron": {
+			"version": "3.0.3",
+			"resolved": "https://registry.npmjs.org/node-cron/-/node-cron-3.0.3.tgz",
+			"integrity": "sha512-dOal67//nohNgYWb+nWmg5dkFdIwDm8EpeGYMekPMrngV3637lqnX0lbUcCtgibHTz6SEz7DAIjKvKDFYCnO1A==",
+			"license": "ISC",
+			"dependencies": {
+				"uuid": "8.3.2"
+			},
+			"engines": {
+				"node": ">=6.0.0"
+			}
+		},
 		"node_modules/node-fetch-native": {
 			"version": "1.6.7",
 			"resolved": "https://registry.npmjs.org/node-fetch-native/-/node-fetch-native-1.6.7.tgz",
@@ -4176,6 +4189,15 @@
 				"browserslist": ">= 4.21.0"
 			}
 		},
+		"node_modules/uuid": {
+			"version": "8.3.2",
+			"resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+			"integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg==",
+			"license": "MIT",
+			"bin": {
+				"uuid": "dist/bin/uuid"
+			}
+		},
 		"node_modules/vary": {
 			"version": "1.1.2",
 			"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",