v0.2 — Open tracker mode, configurable branding, improved tests

New features:

• OPEN_TRACKER=true env var — disables registry-only check, accepts any info_hash

Fixes:

• Fix flaky TestAnnounceCompletedEvent (background pruner race condition)

Tests:

• 24 CLI tests (up from 9), organized with shared helpers
• CLI coverage: 53.7% → 64.6%
• Total coverage: 73.7% → 74.7%

Docs:

• Document all env vars (OPEN_TRACKER, WL_TRACKER, WL_SOURCE, WL_CREATED_BY, TRACKER_SECRET) in README

v0.1 — Hybrid BitTorrent v1+v2 Tracker, CLI, and Library

Initial public release.

Tracker:

• BEP 3/7/48/52 announce and scrape with hybrid v1+v2 support
• Registry API with structured metadata
• In-memory swarm state with SQLite persistence (WAL mode, zero-CGO)
• HMAC-SHA256 stateless passkey auth
• Rate limiting, registry-only tracking, Prometheus metrics

CLI:

• wl create — hybrid v1+v2 torrent creation + tracker registration
• Configurable source branding and tracker URL via env vars

Library:

• Pure Go torrent creation (internal/torrent/)
• SHA-256 Merkle trees + SHA-1 v1 pieces, zero-CGO