live view telemetry

[Sayan-]

Note

Medium Risk
Adds a new built-in plugin that asynchronously sends session connect/disconnect events over HTTP, introducing new outbound network behavior and concurrency/queueing paths (though gated by a config flag and tested).

Overview
Adds a new built-in telemetry plugin that can forward live-view session connect/disconnect events to a configured HTTP endpoint (defaulting to http://127.0.0.1:10001/telemetry/events), including a computed duration_ms on disconnect.

The plugin is opt-in via new flags telemetry.enabled and telemetry.endpoint, uses a bounded in-memory queue with a background worker (dropping events when saturated to avoid blocking session goroutines), and includes tests covering disabled behavior, event emission, and non-blocking behavior on endpoint failures.

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Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[hiroTamada]

LGTM