* Library cards now show a checkbox on hover (and persistent when selected). Click checkbox = toggle, shift-click = range. Plain click on a card with an active selection extends/shrinks the selection instead of opening preview. Floating pill at the bottom shows count + Move / Copy / Delete / Clear. Move + Copy open a tiny bin picker (current project, default to current bin).
* mam-api/routes/assets.js: PATCH /:id now also accepts bin_id (null = move out of bin). New POST /:id/copy makes a reference-copy of the asset row (same S3 keys, new id) into the target bin/project.
* api.js: moveAsset(id, binId) and copyAsset(id, {binId, projectId}) helpers.
* All accent tokens swapped from the amber oklch(76% 0.178 52) to the Wild Dragon signature blue oklch(55% 0.20 266) = #1f3ad0 ish. Login splash + first-load splash + signal-receiving + button primary all picked it up automatically through common.css.
* Loading indicator across the app uses the AMPP Safe hardhat photo gently pulsing with a tiny blue dot underneath. .ampp-loading component lives in common.css with --sm / --xs / --inline variants. Replaces the plain "Loading assets…" empty state in index.html.
Zac
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