feat(cron): daily sync.source_doc enqueue

node-cron schedules runSync at 03:00 local time; runSync enqueues
sync.source_doc for every source_docs row with sync_source='url'.
Started from server.js's CLI gate alongside the job queue.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "void-server",
-  "version": "2.0.0-alpha.2",
+  "version": "2.0.0-alpha.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "void-server",
-      "version": "2.0.0-alpha.2",
+      "version": "2.0.0-alpha.3",
       "dependencies": {
         "@mozilla/readability": "^0.6.0",
         "bcrypt": "^6.0.0",
@@ -16,6 +16,7 @@
         "jsdom": "^29.1.1",
         "marked": "^18.0.4",
         "multer": "^2.1.1",
+        "node-cron": "^3.0.3",
         "pg": "^8.21.0",
         "pg-boss": "^10.4.2",
         "pino": "^10.3.1",
@@ -2431,6 +2432,18 @@
         "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-gyp-build": {
       "version": "4.8.4",
       "resolved": "https://registry.npmjs.org/node-gyp-build/-/node-gyp-build-4.8.4.tgz",
@@ -3509,6 +3522,16 @@
       "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
       "license": "MIT"
     },
+    "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==",
+      "deprecated": "uuid@10 and below is no longer supported.  For ESM codebases, update to uuid@latest.  For CommonJS codebases, use uuid@11 (but be aware this version will likely be deprecated in 2028).",
+      "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",