Activity panel: live sidecar log, memory readout, log file - #45
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The bundled app had no log surface: sidecar stderr was echoed to the shell's stderr (invisible outside a terminal launch), only the percent lines survived as progress events, and nothing was written to disk, so a stalled download or a failed load could only be diagnosed by relaunching from Terminal. Refs #41. Every sidecar stderr line and every shell-side note now goes through one bounded ring: streamed to the WebView as activity_log events, appended to <app-log-dir>/speech-studio.log (rotated at 5 MB), and still echoed to stderr. The Activity button in the transport bar opens a panel that follows the tail, copies the visible log for a bug report, reveals the log file, or clears the view. The Swift sidecar's memory snapshots gain the process resident size and physical footprint (the figure Activity Monitor shows; RSS misses Metal buffers) and now fire after every load and render, including CosyVoice, Indic-Mio and Qwen3. The shell parses them into sidecar_memory events; the footer shows the latest footprint and the panel header the MLX active/peak figures.
# Conflicts: # AGENTS.md
The "see console" hint in the failed-clips message sent users to a console the bundled app does not have. Failed renders and regenerates now note themselves in the activity ring through activity_log_note, init_model failures are logged shell-side, and the hint points at the Activity panel instead. The memory-footprint README section mentions that the panel shows the same figure live.
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Summary
The bundled app had no log surface: sidecar stderr was echoed to the shell's stderr (invisible outside a terminal launch), only the percent lines survived as progress events, and nothing was written to disk — so a stalled download or a failed load could only be diagnosed by relaunching from Terminal. This adds an Activity panel with the live log, a memory readout, and a rotating log file. Second half of #41.
What changed
studio_log!(replaceseprintln!); streamed asactivity_logevents, appended to<app-log-dir>/speech-studio.log(rotated at 5 MB;~/Library/Logs/audio.soniqo.studio/on macOS), still echoed to stderr. Commands:activity_log_snapshot,activity_log_info,reveal_activity_log,clear_activity_log.[sidecar] mem …lines are parsed intosidecar_memoryevents.task_info; footprint is what Activity Monitor shows, RSS misses Metal buffers) and now fires after every load and after CosyVoice / Indic-Mio / Qwen3 renders too.ActivityPanel(bottom drawer: follows the tail unless scrolled up, Copy for bug reports, Log file reveal, Clear) and anActivityTogglein the transport bar showing the latest footprint;activityStore+useActivityLogattach listeners before fetching the backlog and union the two by seq.studio_log!, snapshot line format).Test plan
cargo test --lib— 35 passed (new: memory-line parsing incl. legacy lines, ring bound/order, rotation)pnpm test— 75 passed (new: store ×4, panel + toggle ×7);tsc --noEmitcleanmem post-load-cosyvoice … rss=701M footprint=2296Mandpost-cosy-synth … footprint=3336Mpnpm tauri dev: the log file is created with the session header and the sidecar lines; the panel lists them withMLX 1.6 GB · peak 1.8 GB · process 2.0 GBin its header and the footer readsActivity 2.0 GB(screenshot-verified)memlines yet, so Windows/Linux get the log but no memory readout.