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Sidecar: WebSocket live feed

Browse Source 
web.rs adds the website-facing HTTP surface (axum): GET /health and GET /ws.
Every shard event is broadcast to all connected WebSocket clients as a JSON text
frame. main.rs's event loop now broadcast::sends each event after logging it.

A lagging client is warned and kept live (misses events) rather than stalling
the others; a dead-but-not-closed socket is caught by a 30s server ping. The feed
is live-only -- no replay -- since history belongs to REST + SQLite. This side may
be exposed beyond loopback (it is the gatekeeper); it defaults to 127.0.0.1:8080
and wants auth before going public.

Verified end to end: a WebSocket client connected to /ws, received ws.hello, then
live pong events relayed from the shard through the shard-link -> broadcast -> ws
path -- the same path a login, sale, or IDOC alert will take to a browser.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Colby Whitlock
2026-07-10 16:04:58 -05:00
parent b46005b333
commit aff10e846c
5 changed files with 652 additions and 16 deletions
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514
sidecar/Cargo.lock generated
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