Implement transaction retry logic for SQLITE_BUSY (bd-ola6)

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Add exponential backoff retry for BEGIN IMMEDIATE transactions to handle
concurrent write load without spurious failures.

Changes:
- Add IsBusyError() helper to detect database locked errors
- Add beginImmediateWithRetry() with exponential backoff (10ms, 20ms, 40ms, 80ms, 160ms)
- Update CreateIssue and CreateIssuesInBatch to use retry logic
- Add comprehensive tests for error detection and retry behavior
- Handles context cancellation between retry attempts
- Fails fast on non-busy errors

This eliminates spurious SQLITE_BUSY failures under normal concurrent usage
while maintaining proper error handling for other failure modes.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

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This commit is contained in:

Steve Yegge

2025-11-24 01:10:04 -08:00

parent a8919fde9f

commit 125d02860c

5 changed files with 256 additions and 76 deletions

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