feat: 支持Android端数据导出与分享

引入@capacitor/filesystem与@capacitor/share，实现Android端通过原生文件系统导出数据并调用系统分享面板。新增colors.xml并调整MainActivity，设置状态栏与导航栏颜色，提升原生端显示一致性。

pnpm-lock.yaml

@@ -23,6 +23,12 @@ importers:
       '@capacitor/core':
         specifier: ^8.0.0
         version: 8.0.0
+      '@capacitor/filesystem':
+        specifier: ^8.0.0
+        version: 8.0.0(@capacitor/core@8.0.0)
+      '@capacitor/share':
+        specifier: ^8.0.0
+        version: 8.0.0(@capacitor/core@8.0.0)
       '@tailwindcss/vite':
         specifier: ^4.1.17
         version: 4.1.17(rolldown-vite@7.2.5(@types/node@24.10.2)(esbuild@0.25.12)(jiti@2.6.1)(terser@5.44.1))
@@ -666,6 +672,19 @@ packages:
   '@capacitor/core@8.0.0':
     resolution: {integrity: sha512-250HTVd/W/KdMygoqaedisvNbHbpbQTN2Hy/8ZYGm1nAqE0Fx7sGss4l0nDg33STxEdDhtVRoL2fIaaiukKseA==}
 
+  '@capacitor/filesystem@8.0.0':
+    resolution: {integrity: sha512-RRGNLW9xEqvVVHGyGlfS4Oy0R3Na+bEefwZElKbex22S9eZr5cg8wc750BPPVwbcv5lf5fJymkY8x8y6UwKPyg==}
+    peerDependencies:
+      '@capacitor/core': '>=8.0.0'
+
+  '@capacitor/share@8.0.0':
+    resolution: {integrity: sha512-VU+xT4LFwr4keIC0UKDqGQVAiNlAHwoTMQg8wVVSxtn/k32VOvvtqFfu63qnXr40WKytZWrxJfVESvRjd761yg==}
+    peerDependencies:
+      '@capacitor/core': '>=8.0.0'
+
+  '@capacitor/synapse@1.0.4':
+    resolution: {integrity: sha512-/C1FUo8/OkKuAT4nCIu/34ny9siNHr9qtFezu4kxm6GY1wNFxrCFWjfYx5C1tUhVGz3fxBABegupkpjXvjCHrw==}
+
   '@csstools/cascade-layer-name-parser@2.0.5':
     resolution: {integrity: sha512-p1ko5eHgV+MgXFVa4STPKpvPxr6ReS8oS2jzTukjR74i5zJNyWO1ZM1m8YKBXnzDKWfBN1ztLYlHxbVemDD88A==}
     engines: {node: '>=18'}
@@ -5115,6 +5134,17 @@ snapshots:
     dependencies:
       tslib: 2.8.1
 
+  '@capacitor/filesystem@8.0.0(@capacitor/core@8.0.0)':
+    dependencies:
+      '@capacitor/core': 8.0.0
+      '@capacitor/synapse': 1.0.4
+
+  '@capacitor/share@8.0.0(@capacitor/core@8.0.0)':
+    dependencies:
+      '@capacitor/core': 8.0.0
+
+  '@capacitor/synapse@1.0.4': {}
+
   '@csstools/cascade-layer-name-parser@2.0.5(@csstools/css-parser-algorithms@3.0.5(@csstools/css-tokenizer@3.0.4))(@csstools/css-tokenizer@3.0.4)':
     dependencies:
       '@csstools/css-parser-algorithms': 3.0.5(@csstools/css-tokenizer@3.0.4)