Prevent duplicate suspicious registration alerts #1019

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jimmyb merged 1 commit from codex/issue-1011-idempotent-discord-alerts into master

2026-11-06 12:24:57 -06:00

Codex commented

2026-11-06 11:23:27 -06:00

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Prevent duplicate Discord alerts when a suspicious registration is handled repeatedly or overlapping workers deliver the same audit.

Serialize audit creation per user and page delivery per audit, preserving pagination and committed retry checkpoints. Retry database-only registration transactions up to three times to handle deadlocks between distinct registrations; webhook delivery transactions are never automatically retried.

Verification: all 134 focused tests passed on MariaDB 12.3, including overlapping workers, distinct-registration deadlocks, registration retries, and partial-delivery recovery. SQLite passed 129 tests with five MariaDB-only tests skipped. Pint, PHPStan, and diff checks passed.

Webhook acceptance followed by a lost response or worker crash remains an ambiguous delivery outcome.

Fixes #1011

Prevent duplicate Discord alerts when a suspicious registration is handled repeatedly or overlapping workers deliver the same audit. Serialize audit creation per user and page delivery per audit, preserving pagination and committed retry checkpoints. Retry database-only registration transactions up to three times to handle deadlocks between distinct registrations; webhook delivery transactions are never automatically retried. Verification: all 134 focused tests passed on MariaDB 12.3, including overlapping workers, distinct-registration deadlocks, registration retries, and partial-delivery recovery. SQLite passed 129 tests with five MariaDB-only tests skipped. Pint, PHPStan, and diff checks passed. Webhook acceptance followed by a lost response or worker crash remains an ambiguous delivery outcome. Fixes #1011

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