Demo scope lock

This file records the requested scope for the current MeetVault desktop demo.

No login UI or authentication flow.
No subscription UI or billing logic.
Recordings and transcript files remain local.
Meeting Details must support local video/audio playback.
Live transcription is local Whisper.
Speaker identifier means session speaker diarization (Speaker 1, Speaker 2, etc.), not biometric identity recognition.
Speaker labels can be renamed live.
Realtime overlay is included.
Settings are included and locally persisted.
Backend actions are placeholders and display exactly: Processing (The job). Please wait a moment.