- Add updateVersion() helper to IndexingPipeline that writes to repository_versions
- Set version state to indexing/indexed/error at the appropriate pipeline stages
- Add computeVersionStats() to count snippets for a specific version
- Replace Map<string,string> with Record<string,string|undefined> for activeVersionJobs to fix Svelte 5 reactivity edge cases
- Remove premature loadVersions() call from handleIndexVersion (oncomplete fires it instead)
- Add refreshRepo() to version oncomplete callback so stat badges update after indexing
- Disable Index button when activeVersionJobs has an entry for that tag (not just version.state)
- Add three pipeline test cases covering versionId indexing, error, and no-touch paths
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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