feat: scaffold project with dependencies and config

Made-with: Cursor

chat-summaries/2026-03-10_brainstorm-summary.md

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+# Owncast–IRC Bridge: Brainstorm & Design Session
+
+**Date:** 2026-03-10
+
+## Task
+Design a bidirectional chat bridge between Owncast (`https://owncast.bowlafterbowl.com`) and IRC (`irc.zeronode.net` / `#BowlAfterBowl`).
+
+## Decisions Made
+- **Language:** Rust
+- **Architecture:** Tokio async runtime with concurrent tasks (IRC, Webhook, WebSocket, Health Poller, Router, Control Socket) communicating via mpsc channels
+- **Owncast ingest:** Webhooks (primary) + WebSocket (fallback)
+- **Identity:** Prefixed messages — `[IRC] <nick>` / `[OC] <user>`
+- **Extras:** Stream start/stop announcements in IRC, auto-reconnect with exponential backoff
+- **Owncast lifecycle:** Three-state model (Online, OfflineChatOpen, Unavailable) with health polling
+- **Runtime control:** Unix domain socket + `bridge-ctl` CLI tool
+- **Deployment:** Binary + Dockerfile (multi-stage)
+
+## Files Created
+- `docs/plans/2026-03-10-owncast-irc-bridge-design.md` — Full design document
+- `docs/plans/2026-03-10-owncast-irc-bridge-impl.md` — 15-task implementation plan
+
+## Follow-up
+- Open a new session and execute the implementation plan using `superpowers:executing-plans` skill
+- Plan file: `docs/plans/2026-03-10-owncast-irc-bridge-impl.md`