- Always recompute content_hash in importer to avoid stale hashes from JSONL
- Add .gitignore to test repos to prevent database files from being tracked
- Fix daemon auto-import test to use correct RPC operation ('show' not 'get_issue')
- Set last_import_time metadata in test helper to enable staleness check
- Add filesystem settle delay after git pull in tests
Root cause: CloseIssue updates status but not content_hash, so importer
thought issues were unchanged. Always recomputing content_hash fixes this.
Amp-Thread-ID: https://ampcode.com/threads/T-63ef3a7d-8efe-472d-97ed-6ac95bd8318b
Co-authored-by: Amp <amp@ampcode.com>
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