Adds a "+ wgraj" control to the sidebar that uploads an ISO/ZIP/DLL to the
acquisition endpoint and tracks the job to completion, then refreshes the
version list so the new snapshot appears without a reload.
- index.html: upload form + #jobs panel in the sidebar
- app.js: submitUpload() (FormData → POST /jobs), pollJobs() (2.5s while any
job is queued/started; finished → load(); failed → inline error)
- style.css: mini-btn / upload form / job rows + queued/started badges
Verified: node --check clean; uvicorn serves /ui assets 200 and GET /jobs.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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