- Fix: /stream returns relative URL — prepend serverUrl before Node.js download
- Add: importAssetHires() calls /assets/:id/hires for original file
- Add: saveImportMapping() stores tempPath→assetId in localStorage so
timeline export can match Premiere clips back to MAM assets
- Add: startExportTimeline() reads active sequence via exportTimelineData(),
shows export panel with seq name + clip count
- Add: confirmExportTimeline() resolves paths→assetIds, upserts sequence,
PUT /sequences/:id/clips
- Add: refreshCurrentSequenceInfo() shows active sequence name in info bar