[zumbrunn]

Fixes #3

What

Failures in the collaborative editing path were swallowed by empty catches: a failed save of the Y.js document, a failed flush, a throwing onPageUpdate hook, and any error while handling a websocket frame. A user could lose edits with nothing in the log. plugin.version also reported 2.1.4 against 2.2.3 in deno.json.

Change

• New src/log.ts: warnThrottled(key, message, err) logs at most one line per key per minute, so a misbehaving client cannot flood the log.
• ws-server.ts, manager.ts, commit.ts: the swallowing sites now call it (persist, flush, hook, frame). Behaviour is otherwise unchanged; none of these failures break the session.
• src/mod.ts: version set to 2.2.3.

Testing

tests/log_test.ts: throttling per key and over time, and plugin.version equals deno.json's version. deno task test passes (43) and deno task check passes.

Not changed: the intentional catch for a new or missing content file in manager.ts.

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