Port SuiteZZ_CleanupTests.swift. Deletes test-prefixed residences/tasks/
contractors/documents via authenticated APILayer + TaskApi calls. Runs
alphabetically last via the SuiteZZ_ prefix. Each step is idempotent —
logs failures but never blocks the next run. Preserves one seed "Test
House" residence so AAA_SeedTests has a deterministic starting point.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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