feat(admin): bulk title-resync sweep reusing the extracted retry-sync reconcile

[tunile943]

@coderabbitai summary

Description

• services/syncOneMeeting.ts: the Retry-sync route's whole reconcile body extracted verbatim (Zoom credential adoption, family-aware mint/adopt with the Zoom host auto-assignment has a check-then-write race (TOCTOU) that can double-book a host #360 locking, calendar reconcile) so it can be invoked outside an HTTP request; app/api/update/meeting/sync/route.ts is now a thin wrapper around it.
• app/api/admin/resync-titles/route.ts: admin-gated sweep that pushes live meetings' external names to the new fellowship-prefixed format. Dry-run is the default ({ dryRun: false } required to execute); paginated by mid cursor with a 25-row batch ceiling for Zoom rate limits, or scoped to explicit mids. Each executed row runs the same full reconcile as Retry sync, so pinned zoomTopic rows keep their verbatim Zoom names (their Calendar titles do adopt the new format — GCal has no pin) and unmanaged meetings are never PATCHed. Dry-run rows flag willProvisionZoom when executing would mint a Zoom meeting rather than just rename.
• tests/integration/admin-resync-titles-route.test.ts: dry-run preview/default, mids-scoped execution, pinned-topic surfacing, deleted/suspended exclusion.

Testing

• cd frontend && yarn test:integration tests/integration/admin-resync-titles-route.test.ts tests/integration/update-meeting-sync-route.test.ts
• Rollout: POST /api/admin/resync-titles {"dryRun":true,"limit":25} as an admin, review results[].newTitle, then re-run with "dryRun":false, walking nextCursor until null.

Area(s) Touched

Product areas

• auth — sign-in, sessions, NextAuth, role-based access
• admin — /admin shell (Diagnostics, Users, Import, Export tabs)
• docs — /docs Resources page (rendering, navigation, search)
• ui/ux — frontend layout/styling not tied to a specific integration

Integrations

• google-calendar — Google Calendar sync
• zoom-api — Zoom meeting/host sync

Engineering

• security — auth hardening, data exposure, dependency/security scanning
• testing — test suite (Jest/Playwright) changes
• github-actions — workflows, Dependabot config, other .github/ CI tooling
• cleanup — refactor or dead-code removal, no behavior change
• documentation — docs/ or README changes only

Pre-merge Checklist

• Code follows current formatting conventions and passes lint (yarn lint).
• Comments are appropriate — only where genuinely non-obvious, not restating what the code already says.
• All test suites pass, both run locally and green in GitHub CI. Do not merge if any test suite is failing.
• A test suite was added or updated for the feature/fix in this PR. Double-check this if you change a feature and did not update the test suites.
• Only files relevant to this change are committed — no stray or unrelated files.
• If this branch has a merge conflict with master, master was merged into this branch first (not the other way around).
• The rest of this PR description (Description, Testing) is filled out, not left as template placeholders.

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Project	Deployment	Actions	Updated (UTC)
ithaca-recovery	Ready	Preview	Aug 24, 2026 2:13am

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