Audio upload OR pasted transcript → Transcribe → Summarize (DistilBART, maxLength 200 / minLength 60) → Extract action items (useGenerateObject on Granite 4.0 350M) with a visible three-step indicator, a cancel that preserves completed steps, action-item priority badges + completion toggles with a live X/Y count, a [No speech detected] short-circuit, and a structured dated .txt export. Owns its own STT selector (Whisper Tiny EN default + Moonshine-Base recommendation hint) and its own adapter-backed inference-device probe for the Granite LM. Fully on-device. Split from ui/blocks/audio-studio (Meeting tab).