Prepare Transcripted 1.1.59

[r3dbars]

Summary

• bump Transcripted app and build version to 1.1.59
• prepare the signed/notarized release candidate from current main

What ships

• more reliable dictation cancellation, startup, model-loading, recovery, and pasteback
• reduced Zoom microphone contention while Transcripted is idle
• AirPods and selected-input handling improvements
• restored speaker-review samples from retained meeting audio
• repaired granted Microphone and Calendar Review actions
• Homebrew macOS dependency compatibility fix

Release gates

• version-only release-prep diff
• privacy-leak sweep passed
• current candidate CI
• full QA
• signed/notarized packaged candidate
• Sparkle, Homebrew, website, Sentry, and live distribution verification

Manual and physical-hardware proof remains a separate gate and will be reported precisely.