feat(03-03): Rams shell stylesheet + MapLibre v6 bootstrap, position marker, follow controller
- shell.css: token-only chrome (zero hex, zero transition/animation), dark-slot activation, machined geometry (8px lamp/notch, 40x40 plate, data-map=absent field)
- map.ts: setWorkerUrl + ?worker&url, build-time-inlined liberty-rams.json, GPUInitializationError -> null gate, RAMS-BASEMAP-READY signal
- marker.ts: dot + accuracy circle (100m display cap) + heading cone hidden on null, DOM Marker SVG namespace discipline
- follow.ts: 96px camera padding, 400ms flyTo, user-gesture-only free mode
- UI-SPEC: planner amendments verified (Pitfall 4 present; Open Question 1 appended)
araharah-executor
c437d312f6