Add progress tracking to Compactor #68
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Add CompactorStatus struct and Status() method to track compaction progress. The status includes the last page compacted (N) and total pages (Total), using atomic operations for safe concurrent reads from other goroutines. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add helper methods to check if status is uninitialized and to get completion percentage. Pct() safely returns 0 when Total is zero. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
CompactorStatusstruct withN(last page compacted) andTotal(total pages from Commit field)Status()method that returns current progress, safe to call concurrently from another goroutinesync/atomic.Uint32for lock-free, concurrent-safe readsTest plan
Status()returns zero values before compaction startsTotalequals the Commit value from the last input headerNequals the last page written after compaction completes🤖 Generated with Claude Code