refactor(geo-map): externalize theme control and remove style indirection

app/docs/geo-map/content.mdx

@@ -221,43 +221,24 @@ Supported token keys:
       default: "true",
     },
     theme: {
-      description: "Tile theme mode",
-      type: "'auto' | 'light' | 'dark'",
-      default: "'auto'",
+      description:
+        "Explicit tile theme (pass your app-resolved light/dark theme)",
+      type: "'light' | 'dark'",
+      default: "'light'",
     },
     className: {
       description: "Tailwind classes for the root wrapper",
       type: "string",
     },
-    mapClassName: {
-      description: "Tailwind classes for the map frame wrapper",
-      type: "string",
-    },
     style: {
       description:
         "Inline style overrides for GeoMap CSS custom properties (for popup/tooltip shell theming)",
-      type: "GeoMapStyle",
-    },
-    overlayClassName: {
-      description: "Tailwind classes for the title/description overlay panel",
-      type: "string",
+      type: "CSSProperties",
     },
     popupClassName: {
       description: "Tailwind classes applied to the Leaflet popup shell",
       type: "string",
     },
-    popupContentClassName: {
-      description: "Tailwind classes for popup content layout container",
-      type: "string",
-    },
-    popupTitleClassName: {
-      description: "Tailwind classes for popup title text",
-      type: "string",
-    },
-    popupDescriptionClassName: {
-      description: "Tailwind classes for popup description text",
-      type: "string",
-    },
     tooltipClassName: {
       description: "Tailwind classes for marker/route tooltip shell",
       type: "string",

components/tool-ui/geo-map/README.md

@@ -6,13 +6,11 @@ Implementation for the "geo-map" Tool UI surface.
 
 - public exports: components/tool-ui/geo-map/index.tsx
 - serializable schema + parse helpers: components/tool-ui/geo-map/schema.ts
-- main runtime orchestrator: components/tool-ui/geo-map/geo-map.tsx
-- theme resolution hook: components/tool-ui/geo-map/geo-map-theme.ts
+- public facade component: components/tool-ui/geo-map/geo-map.tsx
+- internal Leaflet engine: components/tool-ui/geo-map/geo-map-engine.tsx
 - colocated Leaflet shell theme styles: components/tool-ui/geo-map/geo-map-theme.module.css
-- viewport sync + controllers: components/tool-ui/geo-map/geo-map-viewport.tsx
 - icon construction helpers: components/tool-ui/geo-map/geo-map-icons.ts
 - popup/tooltip overlay renderer: components/tool-ui/geo-map/geo-map-overlays.tsx
-- Leaflet shell class hooks: components/tool-ui/geo-map/geo-map-styles.ts
 
 ## Companion assets