feat(source2): lock dark mode, sans-serif typography, and all recent updates

docs/log/2026-07-23-0858-upgrade-markers.md

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+# Visual Enhancement: Agent Map Markers Upgraded
+
+**Trigger**: Ad-hoc visual quality enhancement (marker nya kok masih jelek)
+**Date**: 2026-07-23 08:58 WIB
+**Affected files**:
+- `src/components/admin/AgentLocationMap.tsx`
+- `src/components/dashboard/IndonesiaAgentMap.tsx`
+
+## Improvement Done
+
+The previous teardrop SVGs were flat, basic, and looked like generic pins. We replaced them with custom premium circular neon status beacons:
+1. **Outer Pulsing Ring**: A glowing HTML circle that pings outwards using GPU-accelerated CSS keyframe animations.
+2. **Glassmorphic Disk**: A dark semi-transparent glass circle with custom box-shadow and border colors based on status (emerald for online, ruby for offline), mimicking premium high-end operations dashboards (like Vercel/Stripe).
+3. **Neon Glow Core**: A vibrant center core status dot.
+4. **Consistency**: Applied the exact same visual identity to both map components across the app.
+
+## Verification
+
+- Verified no `buildMarkerSvg` remains in the codebase.
+- TypeScript checked with zero errors.
+- Dev compilation succeeded cleanly.