feat(image): 新建 knowai-core:1.0.0 镜像并完成推送

- 搭建 api、auth、utils 等逻辑模块
- 通过 tsc、eslint、vitest 测试验证

BREAKING CHANGE: 新镜像分支

vitest.config.ts

@@ -0,0 +1,37 @@
+import { defineConfig } from 'vitest/config';
+import path from 'path';
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './'),
+    },
+  },
+  test: {
+    globals: true,
+    environment: 'node',
+    coverage: {
+      provider: 'v8',
+      reporter: ['text', 'json', 'html'],
+      exclude: [
+        'node_modules/',
+        'dist/',
+        '**/*.config.js',
+        '**/*.config.ts',
+        '**/*.d.ts',
+        '**/index.ts',
+        '**/*.test.ts',
+        '**/*.spec.ts',
+        'test/**', // 排除整个test目录
+      ],
+      thresholds: {
+        global: {
+          branches: 80,
+          functions: 80,
+          lines: 80,
+          statements: 80,
+        },
+      },
+    },
+  },
+});