test: add integrations, cache, cron, and telemetry tests

- New integrations.test.ts: 13 tests covering CRUD, token generation,
  token lookup, regeneration, and multi-user isolation
- New cache.test.ts: 3 tests for purgeMetadataCache (shell title
  deletion, fully-fetched title preservation, empty case)
- New cron.test.ts: 5 tests for cron run lifecycle (start, complete,
  fail with Error and string)
- New telemetry.test.ts: 7 tests for isTelemetryEnabled toggle and
  performTelemetryReport (disabled skip, enabled send, 24h interval
  throttle, interval expiry, fetch failure resilience)

345 → 386 tests passing across 27 files

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -59,9 +59,12 @@
     "@lingui/cli": "catalog:",
     "@lingui/conf": "catalog:",
     "@lingui/format-po": "catalog:",
+    "@tanstack/eslint-plugin-query": "5.94.5",
+    "@tanstack/eslint-plugin-router": "1.161.6",
     "@vitest/browser": "catalog:",
     "@vitest/browser-playwright": "catalog:",
     "@vitest/coverage-v8": "catalog:",
+    "eslint-plugin-drizzle": "0.2.3",
     "eslint-plugin-lingui": "0.11.0",
     "oxfmt": "0.41.0",
     "oxlint": "1.56.0",