build: 打通 FastAPI 与 Vue 最小工程、依赖与数据库连接

后端入口、配置、Redis 与 Alembic 迁移就位；前端 Vite 工程可安装可构建。

frontend/eslint.config.js

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+import pluginVue from 'eslint-plugin-vue'
+import vueTsEslintConfig from '@vue/eslint-config-typescript'
+import pluginVitest from '@vitest/eslint-plugin'
+import pluginPlaywright from 'eslint-plugin-playwright'
+import skipFormatting from '@vue/eslint-config-prettier/skip-formatting'
+
+export default [
+  {
+    name: 'app/files-to-lint',
+    files: ['**/*.{ts,mts,tsx,vue}'],
+  },
+
+  {
+    name: 'app/files-to-ignore',
+    // The enterprise Playwright suite has its own lint config (e2e/eslint.config.js rules).
+    ignores: ['**/dist/**', '**/dist-ssr/**', '**/coverage/**', 'src/modules/enterprise/e2e/**'],
+  },
+
+  ...pluginVue.configs['flat/essential'],
+  
+  // Spread, not wrapped in an object: vueTsEslintConfig() returns an ARRAY of
+  // flat configs. Spreading it into `{}` produced numeric keys ("0", "1", …)
+  // and ESLint refused the whole config with `Unexpected key "0" found`, so
+  // linting has been failing outright rather than reporting anything.
+  ...vueTsEslintConfig(),
+
+  {
+    name: 'app/ts-rule-overrides',
+    rules: {
+      '@typescript-eslint/no-explicit-any': 'off',
+      // Replaces the old `ban-types` entry here, which typescript-eslint v8
+      // split into these successor rules. It was configured to allow bare
+      // `Object`/`Function`; these two are the rules that would flag them.
+      '@typescript-eslint/no-unsafe-function-type': 'off',
+      '@typescript-eslint/no-wrapper-object-types': 'off',
+    }
+  },
+  
+  {
+    // Published images are built once in CI and configured per deployment at
+    // container start, so import.meta.env.VITE_* is undefined at runtime for
+    // every self-hosted install. Config must come from window.APP_CONFIG via
+    // the resolvers in src/config/api.ts (or webclient/widget-env.ts, which
+    // keeps its own fallbacks). Only those resolvers may read the env directly.
+    name: 'app/no-build-time-env',
+    files: ['src/**/*.{ts,mts,tsx,vue}'],
+    ignores: ['src/config/api.ts', 'src/webclient/widget-env.ts', 'src/sw.ts'],
+    rules: {
+      'no-restricted-syntax': [
+        'error',
+        {
+          // VITE_* only. Vite's own built-ins (BASE_URL, MODE, DEV, PROD) are
+          // build-time by definition and stay allowed.
+          selector:
+            'MemberExpression[object.object.type="MetaProperty"][object.property.name="env"][property.name=/^VITE_/]',
+          message:
+            'Do not read import.meta.env.VITE_* directly — it is undefined in the published image. Use the runtime resolvers in @/config/api (getApiUrl, resolveUploadUrl, getGoogleFontsApiKey, …).',
+        },
+      ],
+    },
+  },
+
+  {
+    ...pluginVitest.configs.recommended,
+    files: ['src/**/__tests__/*'],
+  },
+  
+  {
+    ...pluginPlaywright.configs['flat/recommended'],
+    files: ['e2e/**/*.{test,spec}.{js,ts,jsx,tsx}'],
+  },
+  skipFormatting,
+]