wiki: add Carbon Design System icons (2673) + pictograms (1000)

- 2673 SVG icons from @carbon/icons v11.82.0 (~2.5 MB)
- 1000 SVG pictograms from Carbon Design System (~2.0 MB)
- Updated 00-overview.md with asset structure and category listing

All icons: 32x32, fill: currentColor, optimized SVG
All pictograms: 24x24, fill: currentColor, SVG

assets/icons/carbon/ai-status-rejected.svg

@@ -0,0 +1 @@
+<svg id="icon" width="32" height="32" viewBox="0 0 32 32"> <rect x="11" y="24" width="10" height="2"/> <rect x="13" y="28" width="6" height="2"/> <path d="M10.8145,18.1406A7.1851,7.1851,0,0,1,8,12a8.0092,8.0092,0,0,1,8-8V2A10.0111,10.0111,0,0,0,6,12a9.1793,9.1793,0,0,0,3.46,7.6162C10.4717,20.5508,11,21.0815,11,22h2C13,20.16,11.8892,19.1338,10.8145,18.1406Z" transform="translate(0 0)"/> <path d="M23.04,16a9.4858,9.4858,0,0,1-1.8623,2.1426C20.1069,19.1348,19,20.1611,19,22h2c0-.9194.5264-1.45,1.5352-2.3857A9.9838,9.9838,0,0,0,25.2756,16Z" transform="translate(0 0)"/> <path d="M30,8a6,6,0,1,0-6,6A6.0066,6.0066,0,0,0,30,8ZM28,8a3.9521,3.9521,0,0,1-.5669,2.019L21.981,4.5669A3.9529,3.9529,0,0,1,24,4,4.0045,4.0045,0,0,1,28,8ZM20,8a3.9521,3.9521,0,0,1,.5669-2.019l5.4521,5.4521A3.9529,3.9529,0,0,1,24,12,4.0045,4.0045,0,0,1,20,8Z" transform="translate(0 0)"/> </svg>