feat: add test mocks path alias for improved import management

- Introduced a new path alias '@test-mocks' in TypeScript configuration files to simplify the import of mock utilities across the project.
- Updated relevant files to utilize the new alias, enhancing code readability and maintainability.
- Enhanced the README for test mocks to document the new import path, providing clearer guidance for developers on using mock utilities.

electron.vite.config.ts

@@ -26,7 +26,8 @@ export default defineConfig({
         '@shared': resolve('packages/shared'),
         '@logger': resolve('src/main/services/LoggerService'),
         '@mcp-trace/trace-core': resolve('packages/mcp-trace/trace-core'),
-        '@mcp-trace/trace-node': resolve('packages/mcp-trace/trace-node')
+        '@mcp-trace/trace-node': resolve('packages/mcp-trace/trace-node'),
+        '@test-mocks': resolve('tests/__mocks__')
       }
     },
     build: {
@@ -112,7 +113,8 @@ export default defineConfig({
         '@cherrystudio/extension-table-plus': resolve('packages/extension-table-plus/src'),
         '@cherrystudio/ai-sdk-provider': resolve('packages/ai-sdk-provider/src'),
         '@cherrystudio/ui/icons': resolve('packages/ui/src/components/icons'),
-        '@cherrystudio/ui': resolve('packages/ui/src')
+        '@cherrystudio/ui': resolve('packages/ui/src'),
+        '@test-mocks': resolve('tests/__mocks__')
       }
     },
     optimizeDeps: {