Auto-import was allowing git history backfill to run, which could
incorrectly purge issues. The fix adds NoGitHistory=true to all
auto-import code paths:
- autoimport.go (importFromGit)
- autoflush.go (autoImportIfNewer)
- daemon_sync.go (importToJSONLWithStore)
Git history backfill is designed to detect deletions that happened
after a local DB was created. During auto-import, there is no local
work to protect - we are importing from the authoritative JSONL source.
Also adds comprehensive tests for NoGitHistory behavior.
Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>
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