SeekQuote Web v0.1.25

VIDEO EXPORT FIX
- Normal website movie export now uses the browser canvas + MediaRecorder path first, matching the working extension/plugin approach.
- Selected built-in or uploaded music is mixed into the browser recording directly.
- A silent audio track is included when no music is selected for better social-app compatibility.
- If the browser can only produce WebM, the server normaliser is attempted, but a successful browser export is no longer discarded if the server is unavailable.
- The existing FFmpeg slide builder remains only as a fallback if browser recording itself fails.
- Send to Phone now uses the same browser-first movie recording path, with the server builder as fallback.
