Steve Yegge 9fb46d41b8 Implement daemon auto-start with comprehensive improvements (bd-124) ...

- Auto-starts daemon on first bd command (unless --no-daemon or BEADS_AUTO_START_DAEMON=false)
- Exponential backoff on failures: 5s, 10s, 20s, 40s, 80s, 120s (max)
- Lockfile prevents race conditions when multiple commands start daemon simultaneously
- Stdio redirected to /dev/null to prevent daemon output in foreground
- Uses os.Executable() for security (prevents PATH hijacking)
- Socket readiness verified with actual connection test
- Accepts multiple falsy values: false, 0, no, off (case-insensitive)
- Working directory set to database directory for local daemon context
- Comprehensive test coverage including backoff math and concurrent starts

Fixes:
- Closes bd-1 (won't fix - compaction keeps DBs small)
- Closes bd-124 (daemon auto-start implemented)

Documentation updated in README.md and AGENTS.md

Amp-Thread-ID: https://ampcode.com/threads/T-b10fe866-ab85-417f-9c4c-5d1f044c5796
Co-authored-by: Amp <amp@ampcode.com>

2025-10-17 23:42:57 -07:00

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