Replace fragile module-level let variables and SQL string parsing
with vi.hoisted() mock functions that are reset and configured
per-test in beforeEach via mockResolvedValue/mockResolvedValueOnce.
- Remove 8 module-level mutable state variables
- Remove matchQuery() SQL parser
- Use vi.hoisted() for shared mock functions across vi.mock() factories
- Each test explicitly controls mock return values with mockResolvedValueOnce
- Fix getCleanerData error test to use direct mock instead of dynamic import
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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