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Jinjing
21cb9ebb78
* perf(diagnostics): split terminal echo latency into queueing, round-trip, parse and paint phases The typing diagnostic started timing at its own capture handler and lumped the PTY round trip, renderer output scheduling and xterm parse into one interval, so a stalled renderer could not be told apart from a slow PTY or TUI. Exact samples now also report trusted-event input queueing, onData to first output reaching the output scheduler, scheduler queueing, and xterm parse, plus each sample's overlap with long animation frames. The report shape only gains fields. * test(bench): measure terminal echo phases under accumulated workspace-update pressure Adds a typing bench scenario that types into one real PTY while the accumulated store receives rank-only order publications (and optional status traffic), runs the in-app phase diagnostic beside the PTY sidecar, and moves the shared bench knobs and report writer into a module both specs use. * perf(terminal): send a typed key to the PTY before publishing its activity stamp xterm fires onUserInput before onData, and the first key after a pause wrote lastTerminalInputAtByPaneKey synchronously there, so the key waited on every store subscriber before it was sent. Publish the stamp in a microtask instead: the same task still records it, after the key has been handed to the transport. At 1,620 workspaces and 2,356 store listeners, input-to-dispatch for keys after a pause fell from p50 1.2-1.5 ms to 0.5 ms. * Improve typing latency diagnostic accuracy * Flush queued long tasks in live typing latency reports