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James RussoandClaude Opus 4.6 aea128b606 feat(cli): smart port selection with instance reuse (#226)
* feat(cli): smart port selection with instance reuse

Replace the simple 10-port retry loop with best-in-class port handling:

- Multi-host port testing (127.0.0.1, 0.0.0.0, ::1, ::) catches ports
  occupied by SSH forwarding or other interfaces invisible to localhost
- HTTP probe (/__hyperframes_config) detects existing HyperFrames
  preview servers — reuses same-project instances instead of spawning
  duplicates, skips different-project instances
- PID detection via lsof for actionable "Port N in use by PID X" logs
- Expanded scan range from 10 to 100 ports
- Added --force-new flag to bypass instance detection
- Async PID detection (execFile, no shell) and parallel host testing

Fixes the "10 ports are all in use" error that occurs when zombie
preview servers accumulate or devbox port forwarding occupies ports.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat(cli): add --list and --kill-all flags to preview command

- `hyperframes preview --list` scans the port range and displays all
  active HyperFrames preview servers with their project name, directory,
  and PID
- `hyperframes preview --kill-all` kills all active preview servers
- Port scanning uses parallel batched probes (20 at a time) for speed

Gives users visibility into zombie preview servers and a one-command
way to clean them up.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-08 10:58:57 -07:00
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