feat(web): footer credit — Made with ♥ by techfreakworm

feat(web): progress subscriber + useProgress hook

feat(web): DialogComposer — speaker slots, engine radio, script + params

feat(web): generateDialog client with per-speaker multipart

feat(web): IndexedDB v2 migration; show seed and reuse button on history rows

feat(web): seed control with -1=random + randomize button

feat(web): ParamsPanel splits params into basic + advanced disclosure

feat(web): UI components — ParamsPanel, TagBar, ModelPicker, DeviceBadge, VoiceLibrary, HistoryList, VoiceComposer

feat(web): API client, IndexedDB store, Recorder state machine

feat(web): Vite/React/TS/Tailwind/shadcn scaffold + Studio shell