feat: project scaffold + bridge + maplibre engine

- Vite + Vue 3 + TypeScript strict
- @yuto-water/js-bridge (types, detector, browser provider)
- MapLibre engine (MapManager singleton, MapFactory, LayerFactory)
- Map composables (useMap, useLayer, usePopup)
- Tianditu tile source, 6 layer type factory
- SCSS design tokens (water-blue theme, dark mode)
- Vant 4, maplibre-gl, axios, pinia, echarts deps
- Build passes (vue-tsc + vite)

tsconfig.json

@@ -0,0 +1,25 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "erasableSyntaxOnly": true,
+    "skipLibCheck": true,
+    "paths": {
+      "@/*": ["./src/*"]
+    },
+    "baseUrl": ".",
+    "ignoreDeprecations": "6.0",
+    "allowImportingTsExtensions": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "preserve",
+    "lib": ["ESNext", "DOM", "DOM.Iterable"],
+    "resolveJsonModule": true,
+    "esModuleInterop": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "include": ["src/**/*.ts", "src/**/*.tsx", "src/**/*.vue"],
+  "exclude": ["node_modules", "dist"]
+}