/**
 * SMI-1535: Signal Collection Integration Tests
 *
 * Tests the ISignalCollector interface for recording and querying
 * user interaction signals in the Recommendation Learning Loop.
 *
 * Test Cases:
 * 1. Record ACCEPT signal with skill metadata
 * 2. Record DISMISS signal with reason
 * 3. Record USAGE_DAILY signal
 * 4. Record USAGE_WEEKLY signal
 * 5. Record ABANDONED signal after 30 days
 * 6. Record UNINSTALL signal
 * 7. Query signals by type filter
 * 8. Query signals by date range
 *
 * @see packages/core/src/learning/interfaces.ts
 * @see docs/internal/execution/phase5-testing-execution.md
 */
export {};
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