Stenobar 1.0.0-beta.11

Added

• AssemblyAI as a dictation provider: low-latency streaming transcription via AssemblyAI Universal-Streaming, selectable in Settings → Dictation and surfaced in onboarding. Gated on an AssemblyAI API key.
• Deepgram as a dictation provider: streaming transcription with a model picker (Flux and Nova-3) in Settings → Dictation and onboarding. Gated on a Deepgram API key.