feat: add growth tracking page and related functionality

- Implemented a new Growth page to track practice time and trends.
- Added API integration for fetching review data.
- Created components for displaying practice statistics and trends.
- Updated navigation titles for the main index and growth pages.
- Removed unused styles from the index page.
- Introduced a Projects management page for adding and editing practice projects.
- Developed a Record form for logging practice sessions with validation.
- Added utility functions for date manipulation and duration formatting.
- Implemented error handling and session management in the practice service.
- Created unit tests for the practice service to ensure reliability.

miniprogram/package.json

@@ -10,7 +10,8 @@
   "scripts": {
     "dev": "taro build --type weapp --watch",
     "build": "taro build --type weapp",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsc --noEmit",
+    "test:client": "node --test tests/practice.test.cjs"
   },
   "dependencies": {
     "@babel/runtime": "^7.28.4",