Move dashboard.js + dashboard.css into the feature folder (kept eager-linked
from the new paths in index.html — dashboard.js stays eager because
system-loader calls its bare globals at boot). No reference sites outside
index.html (the feature's index.js uses globals, not the controller path).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Signed-off-by: librelad <librelad@digitalangels.vip>
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