diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
new file mode 100644
index 0000000..dbaa646
--- /dev/null
+++ b/.github/workflows/validate.yml
@@ -0,0 +1,30 @@
+name: Schema Validation
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+jobs:
+  validate:
+    name: Validate against frozen schema
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci || npm install
+
+      - name: Run validator
+        run: npm run validate
+
+      - name: Run unit tests
+        run: npm test
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aafcb34
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+node_modules/
+.DS_Store
+*.log
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..b3f19b9
--- /dev/null
+++ b/README.md
@@ -0,0 +1,89 @@
+# DesireCore Config Center
+
+DesireCore 官方配置中心：托管 Provider / Model / Pricing / ServiceMap 数据，由
+[desirecore](https://github.com/desirecore/desirecore) 客户端通过 `npm run sync-config-center`
+脚本和运行时后台 fetch 拉取。
+
+---
+
+## 数据契约（Frozen Schema）
+
+`schemas/` 目录下的 JSON Schema 是**已发布客户端的兼容契约**。所有写入此仓库的数据必须通过
+`schemas/` 校验，否则会破坏老版本客户端。
+
+### 历史背景
+
+PR #1 曾把 reasoning 模型的 `defaultTemperature` / `defaultTopP` 写为 `null`，
+导致已发布客户端（schema 严格 `number`）`readComputeConfig` 校验失败 → 同步路径死锁
+→ 远程数据 revert 也救不了已污染的本地用户。详见 desirecore PR #471。
+
+为防止此类事故重演，本仓库引入 frozen schema + CI 自动校验。
+
+### 校验规则
+
+| Schema | 适用文件 | 关键约束 |
+|--------|---------|---------|
+| `provider.schema.json` | `compute/providers/*.json`、`compute/coding-plans/*.json` | `defaultTemperature`/`defaultTopP` 必须是 number，禁止 null/string；`additionalProperties: false` |
+| `manifest.schema.json` | `manifest.json` | `presetDataVersion` 必须是递增整数 |
+| `service-map.schema.json` | `compute/service-map.json` | 每条映射须含 `modelName` + `providerId` |
+| `providers-index.schema.json` | 两个 `_index.json` | `order` 数组无重复 |
+| `pricing.schema.json` | `compute/pricing.json` | `markupRatio` / `usdToCny` 为正数 |
+
+### 关键规则：reasoning 模型的温度参数
+
+**禁止**：`"defaultTemperature": null`、`"defaultTopP": null`
+
+**正确做法**：完全省略字段。
+
+```jsonc
+// ❌ 错误：会破坏 fix #471 之前的客户端
+{ "modelName": "deepseek-reasoner", "defaultTemperature": null }
+
+// ✅ 正确：reasoning 模型省略温度字段
+{ "modelName": "deepseek-reasoner", "displayName": "DeepSeek Reasoner", ... }
+```
+
+### 关键规则：新增字段需先升级老客户端 schema
+
+`provider` 和 `model` 顶层均启用 `additionalProperties: false`。如需新增字段：
+
+1. 先在 desirecore 主仓 `lib/schemas/agent-service/compute.ts` 升级 schema 接受新字段
+2. 发布新版本客户端
+3. 等大部分用户升级
+4. 再更新本仓库的 frozen schema 和数据
+
+否则老客户端会因未知字段校验失败死锁。
+
+---
+
+## 本地校验
+
+```bash
+npm install
+npm run validate     # 校验所有数据文件
+npm test             # 跑单元测试（含反例测试）
+```
+
+CI（GitHub Actions）会在每个 PR 自动运行 `validate` 和 `test`，不通过禁止合并。
+
+---
+
+## 数据修改流程
+
+1. 编辑 `compute/providers/<name>.json`、`compute/coding-plans/<name>.json` 或 `compute/service-map.json`
+2. 编辑 `compute/providers/_index.json` 或 `coding-plans/_index.json`（新增/删除 provider 时）
+3. **必须**递增 `manifest.json#presetDataVersion`，并更新 `updatedAt`
+4. `npm run validate` 本地确认通过
+5. 提 PR，等 CI 校验通过
+6. 合并到 main 后客户端会在下次后台 fetch（最长 30 分钟）拾取更新
+
+---
+
+## 客户端拉取机制
+
+详见 [desirecore CLAUDE.md](https://github.com/desirecore/desirecore/blob/main/CLAUDE.md)
+"Config Center" 章节。
+
+- **构建期同步**：`npm run sync-config-center` 把数据复制到 desirecore 主仓 `lib/agent-service/defaults/`
+- **运行时同步**：客户端启动后后台 git fetch 本仓库，每 30 分钟检查一次远程更新
+- **版本比对**：`presetDataVersion`（递增整数）+ digest（SHA-256）双重校验
diff --git a/__tests__/validate.test.mjs b/__tests__/validate.test.mjs
new file mode 100644
index 0000000..741ac68
--- /dev/null
+++ b/__tests__/validate.test.mjs
@@ -0,0 +1,300 @@
+/**
+ * config-center frozen schema 校验测试
+ *
+ * 关键场景：
+ * - 现有所有数据文件必须通过 frozen schema 校验
+ * - PR #1 引发死锁的反例（defaultTemperature: null）必须被拒绝
+ * - 防御未知字段（additionalProperties: false）保护老客户端
+ *
+ * 运行：
+ *   npm test
+ *   node --test __tests__/
+ */
+
+import { describe, it } from 'node:test'
+import { strict as assert } from 'node:assert'
+import { readFileSync, readdirSync } from 'node:fs'
+import { dirname, join, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { Ajv } from 'ajv'
+import addFormats from 'ajv-formats'
+
+import { validateFile, loadSchemas } from '../scripts/validate.mjs'
+
+const validators = loadSchemas()
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
+const ROOT = resolve(__dirname, '..')
+
+function loadSchema(name) {
+  const p = join(ROOT, 'schemas', `${name}.schema.json`)
+  return JSON.parse(readFileSync(p, 'utf8'))
+}
+
+function compile(name) {
+  const ajv = new Ajv({ allErrors: true, strict: false })
+  addFormats(ajv)
+  return ajv.compile(loadSchema(name))
+}
+
+// ==================== 真实数据 happy path ====================
+
+describe('真实数据全量校验', () => {
+  it('所有 compute/providers/*.json 应通过 provider schema', () => {
+    const dir = join(ROOT, 'compute', 'providers')
+    const failures = []
+    for (const file of readdirSync(dir)) {
+      if (!file.endsWith('.json') || file === '_index.json') continue
+      const result = validateFile(join(dir, file), validators)
+      if (!result.ok) failures.push({ file, errors: result.errors })
+    }
+    assert.equal(
+      failures.length,
+      0,
+      `${failures.length} provider 文件校验失败:\n${JSON.stringify(failures, null, 2)}`,
+    )
+  })
+
+  it('所有 compute/coding-plans/*.json 应通过 provider schema', () => {
+    const dir = join(ROOT, 'compute', 'coding-plans')
+    const failures = []
+    for (const file of readdirSync(dir)) {
+      if (!file.endsWith('.json') || file === '_index.json') continue
+      const result = validateFile(join(dir, file), validators)
+      if (!result.ok) failures.push({ file, errors: result.errors })
+    }
+    assert.equal(
+      failures.length,
+      0,
+      `${failures.length} coding-plan 文件校验失败:\n${JSON.stringify(failures, null, 2)}`,
+    )
+  })
+
+  it('manifest.json 应通过 manifest schema', () => {
+    const result = validateFile(join(ROOT, 'manifest.json'), validators)
+    assert.equal(result.ok, true, JSON.stringify(result.errors, null, 2))
+  })
+
+  it('compute/pricing.json 应通过 pricing schema', () => {
+    const result = validateFile(join(ROOT, 'compute', 'pricing.json'), validators)
+    assert.equal(result.ok, true, JSON.stringify(result.errors, null, 2))
+  })
+
+  it('compute/service-map.json 应通过 service-map schema', () => {
+    const result = validateFile(join(ROOT, 'compute', 'service-map.json'), validators)
+    assert.equal(result.ok, true, JSON.stringify(result.errors, null, 2))
+  })
+
+  it('两个 _index.json 应通过 providers-index schema', () => {
+    const r1 = validateFile(join(ROOT, 'compute', 'providers', '_index.json'), validators)
+    const r2 = validateFile(join(ROOT, 'compute', 'coding-plans', '_index.json'), validators)
+    assert.equal(r1.ok, true, JSON.stringify(r1.errors, null, 2))
+    assert.equal(r2.ok, true, JSON.stringify(r2.errors, null, 2))
+  })
+})
+
+// ==================== Provider schema 反例 ====================
+
+describe('provider schema 反例（防 PR #1 重演）', () => {
+  const validate = compile('provider')
+
+  function makeValidProvider() {
+    return {
+      id: 'provider-test-001',
+      provider: 'test',
+      label: 'Test',
+      baseUrl: 'https://api.test.com',
+      apiKeyRef: 'test',
+      apiKeyVerified: false,
+      enabled: false,
+      status: 'unconfigured',
+      services: ['chat'],
+      models: [
+        {
+          modelName: 'm1',
+          displayName: 'M1',
+          serviceType: ['chat'],
+          capabilities: ['chat'],
+        },
+      ],
+    }
+  }
+
+  it('合法 minimal provider 通过', () => {
+    assert.equal(validate(makeValidProvider()), true, JSON.stringify(validate.errors))
+  })
+
+  it('拒绝 defaultTemperature: null（PR #1 死锁元凶）', () => {
+    const data = makeValidProvider()
+    data.models[0].defaultTemperature = null
+    assert.equal(validate(data), false)
+    assert.ok(
+      validate.errors.some((e) => e.instancePath.endsWith('/defaultTemperature')),
+      `应有 defaultTemperature 错误，实际：${JSON.stringify(validate.errors)}`,
+    )
+  })
+
+  it('拒绝 defaultTopP: null', () => {
+    const data = makeValidProvider()
+    data.models[0].defaultTopP = null
+    assert.equal(validate(data), false)
+    assert.ok(validate.errors.some((e) => e.instancePath.endsWith('/defaultTopP')))
+  })
+
+  it('拒绝 defaultTemperature: "0.7"（string）', () => {
+    const data = makeValidProvider()
+    data.models[0].defaultTemperature = '0.7'
+    assert.equal(validate(data), false)
+  })
+
+  it('接受省略 defaultTemperature/defaultTopP（reasoning 模型推荐做法）', () => {
+    const data = makeValidProvider()
+    // 不设这两个字段
+    assert.equal(validate(data), true, JSON.stringify(validate.errors))
+  })
+
+  it('接受 defaultTemperature: 0.7（合法 number）', () => {
+    const data = makeValidProvider()
+    data.models[0].defaultTemperature = 0.7
+    data.models[0].defaultTopP = 0.95
+    assert.equal(validate(data), true, JSON.stringify(validate.errors))
+  })
+
+  it('拒绝 defaultTemperature 超出 [0, 2] 范围', () => {
+    const data = makeValidProvider()
+    data.models[0].defaultTemperature = 3.0
+    assert.equal(validate(data), false)
+  })
+
+  it('拒绝 model 顶层未知字段（additionalProperties: false 保护老客户端）', () => {
+    const data = makeValidProvider()
+    data.models[0].brandNewField = 'oops'
+    assert.equal(validate(data), false)
+    assert.ok(
+      validate.errors.some((e) => e.keyword === 'additionalProperties'),
+      `应有 additionalProperties 错误，实际：${JSON.stringify(validate.errors)}`,
+    )
+  })
+
+  it('拒绝 provider 顶层未知字段', () => {
+    const data = makeValidProvider()
+    data.unknownTopLevelField = 'oops'
+    assert.equal(validate(data), false)
+    assert.ok(validate.errors.some((e) => e.keyword === 'additionalProperties'))
+  })
+
+  it('拒绝缺少必填字段（如 model 缺 modelName）', () => {
+    const data = makeValidProvider()
+    delete data.models[0].modelName
+    assert.equal(validate(data), false)
+  })
+
+  it('拒绝非法 status enum', () => {
+    const data = makeValidProvider()
+    data.status = 'wrong-status'
+    assert.equal(validate(data), false)
+  })
+
+  it('拒绝非法 priceCurrency enum（仅允许 USD/CNY）', () => {
+    const data = makeValidProvider()
+    data.priceCurrency = 'EUR'
+    assert.equal(validate(data), false)
+  })
+})
+
+// ==================== Manifest schema ====================
+
+describe('manifest schema', () => {
+  const validate = compile('manifest')
+
+  it('合法 manifest 通过', () => {
+    assert.equal(
+      validate({
+        version: '1.0.0',
+        presetDataVersion: 30,
+        updatedAt: '2026-04-25',
+        description: 'test',
+      }),
+      true,
+    )
+  })
+
+  it('拒绝 presetDataVersion 为 string', () => {
+    assert.equal(
+      validate({
+        version: '1.0.0',
+        presetDataVersion: '30',
+        updatedAt: '2026-04-25',
+      }),
+      false,
+    )
+  })
+
+  it('拒绝非法 updatedAt 格式', () => {
+    assert.equal(
+      validate({
+        version: '1.0.0',
+        presetDataVersion: 30,
+        updatedAt: '04/25/2026',
+      }),
+      false,
+    )
+  })
+
+  it('拒绝缺少 presetDataVersion', () => {
+    assert.equal(
+      validate({ version: '1.0.0', updatedAt: '2026-04-25' }),
+      false,
+    )
+  })
+})
+
+// ==================== Service map schema ====================
+
+describe('service-map schema', () => {
+  const validate = compile('service-map')
+
+  it('合法 service-map 通过', () => {
+    assert.equal(
+      validate({
+        chat: { modelName: 'gpt-5-mini', providerId: 'provider-openai-001' },
+      }),
+      true,
+    )
+  })
+
+  it('拒绝缺少 providerId 的条目', () => {
+    assert.equal(validate({ chat: { modelName: 'gpt-5-mini' } }), false)
+  })
+
+  it('拒绝条目中含未知字段', () => {
+    assert.equal(
+      validate({
+        chat: {
+          modelName: 'gpt-5-mini',
+          providerId: 'provider-openai-001',
+          extra: 'oops',
+        },
+      }),
+      false,
+    )
+  })
+})
+
+// ==================== Providers-index schema ====================
+
+describe('providers-index schema', () => {
+  const validate = compile('providers-index')
+
+  it('合法 _index.json 通过', () => {
+    assert.equal(validate({ description: 'x', order: ['openai', 'anthropic'] }), true)
+  })
+
+  it('拒绝 order 含重复元素', () => {
+    assert.equal(validate({ order: ['openai', 'openai'] }), false)
+  })
+
+  it('拒绝缺少 order', () => {
+    assert.equal(validate({ description: 'x' }), false)
+  })
+})
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..ac4deb3
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,89 @@
+{
+  "name": "@desirecore/config-center",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@desirecore/config-center",
+      "version": "1.0.0",
+      "dependencies": {
+        "ajv": "^8.17.1",
+        "ajv-formats": "^3.0.1"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/ajv": {
+      "version": "8.20.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.20.0.tgz",
+      "integrity": "sha512-Thbli+OlOj+iMPYFBVBfJ3OmCAnaSyNn4M1vz9T6Gka5Jt9ba/HIR56joy65tY6kx/FCF5VXNB819Y7/GUrBGA==",
+      "license": "MIT",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.3",
+        "fast-uri": "^3.0.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
+    "node_modules/ajv-formats": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/ajv-formats/-/ajv-formats-3.0.1.tgz",
+      "integrity": "sha512-8iUql50EUR+uUcdRQ3HDqa6EVyo3docL8g5WJ3FNcWmu62IbkGUue/pEyLBW8VGKKucTPgqeks4fIU1DA4yowQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependenciesMeta": {
+        "ajv": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+      "license": "MIT"
+    },
+    "node_modules/fast-uri": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/fast-uri/-/fast-uri-3.1.0.tgz",
+      "integrity": "sha512-iPeeDKJSWf4IEOasVVrknXpaBV0IApz/gp7S2bb7Z4Lljbl2MGJRqInZiUrQwV16cpzw/D3S5j5Julj/gT52AA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
+      ],
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/json-schema-traverse": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
+      "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==",
+      "license": "MIT"
+    },
+    "node_modules/require-from-string": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
+      "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..6572160
--- /dev/null
+++ b/package.json
@@ -0,0 +1,18 @@
+{
+  "name": "@desirecore/config-center",
+  "version": "1.0.0",
+  "private": true,
+  "description": "DesireCore 官方配置中心：Provider/Model/Pricing/ServiceMap 数据源",
+  "type": "module",
+  "engines": {
+    "node": ">=20"
+  },
+  "scripts": {
+    "validate": "node scripts/validate.mjs",
+    "test": "node --test __tests__/*.test.mjs"
+  },
+  "dependencies": {
+    "ajv": "^8.17.1",
+    "ajv-formats": "^3.0.1"
+  }
+}
diff --git a/schemas/manifest.schema.json b/schemas/manifest.schema.json
new file mode 100644
index 0000000..a74bc57
--- /dev/null
+++ b/schemas/manifest.schema.json
@@ -0,0 +1,30 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://desirecore.net/schemas/config-center/manifest.schema.json",
+  "title": "ConfigCenterManifest",
+  "description": "manifest.json 数据契约。客户端通过 presetDataVersion 判断是否合并更新。",
+  "type": "object",
+  "required": ["version", "presetDataVersion", "updatedAt"],
+  "properties": {
+    "version": {
+      "type": "string",
+      "description": "配置中心格式版本（semver），如 1.0.0",
+      "pattern": "^\\d+\\.\\d+\\.\\d+$"
+    },
+    "presetDataVersion": {
+      "type": "integer",
+      "description": "预置数据版本号（递增整数）。客户端运行时通过此字段决定是否合并新数据。每次内容变更必须递增。",
+      "minimum": 1
+    },
+    "updatedAt": {
+      "type": "string",
+      "description": "最后更新日期，YYYY-MM-DD 格式",
+      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
+    },
+    "description": {
+      "type": "string",
+      "description": "仓库说明"
+    }
+  },
+  "additionalProperties": false
+}
diff --git a/schemas/pricing.schema.json b/schemas/pricing.schema.json
new file mode 100644
index 0000000..1bdaa97
--- /dev/null
+++ b/schemas/pricing.schema.json
@@ -0,0 +1,21 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://desirecore.net/schemas/config-center/pricing.schema.json",
+  "title": "Pricing",
+  "description": "compute/pricing.json：定价相关元数据。",
+  "type": "object",
+  "required": ["markupRatio", "usdToCny"],
+  "properties": {
+    "markupRatio": {
+      "type": "number",
+      "description": "定价加成倍率（如 1.5 表示在原价基础上加 50%）",
+      "exclusiveMinimum": 0
+    },
+    "usdToCny": {
+      "type": "number",
+      "description": "USD → CNY 汇率",
+      "exclusiveMinimum": 0
+    }
+  },
+  "additionalProperties": false
+}
diff --git a/schemas/provider.schema.json b/schemas/provider.schema.json
new file mode 100644
index 0000000..7939721
--- /dev/null
+++ b/schemas/provider.schema.json
@@ -0,0 +1,214 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://desirecore.net/schemas/config-center/provider.schema.json",
+  "title": "Provider",
+  "description": "frozen baseline schema 镜像 desirecore d185299（fix #471 之前）的 computeProviderSchema/providerModelSchema，作为已发布客户端兼容契约。任何写入 compute/providers/*.json 或 compute/coding-plans/*.json 的数据都必须通过此校验，否则会破坏老客户端（已发布版本的 schema 无法理解超出此契约的字段或类型）。\n\n关键约束：\n- defaultTemperature / defaultTopP 必须是 number（不接受 null）—— 历史教训：曾因 null 写入导致老客户端校验失败死锁\n- 顶层与 model 内 additionalProperties 均为 false —— 新增字段必须先升级老客户端 schema 再推送数据",
+  "type": "object",
+  "required": [
+    "id",
+    "provider",
+    "label",
+    "baseUrl",
+    "apiKeyRef",
+    "apiKeyVerified",
+    "enabled",
+    "status",
+    "services",
+    "models"
+  ],
+  "properties": {
+    "id": {
+      "type": "string",
+      "description": "提供商唯一标识符（如 provider-openai-001）",
+      "minLength": 1
+    },
+    "provider": {
+      "type": "string",
+      "description": "提供商标识：openai、anthropic、deepseek、dashscope（阿里云）等",
+      "minLength": 1
+    },
+    "label": {
+      "type": "string",
+      "description": "提供商显示名称（如 OpenAI、Anthropic、阿里云 DashScope）",
+      "minLength": 1
+    },
+    "baseUrl": {
+      "type": "string",
+      "description": "API 基础 URL（如 https://api.openai.com/v1）",
+      "minLength": 1
+    },
+    "apiFormat": {
+      "type": "string",
+      "description": "API 协议格式：openai-completions、anthropic-messages、openai-responses、google-generative-ai 等"
+    },
+    "apiKeyRef": {
+      "type": "string",
+      "description": "密钥引用名，对应 secrets.json 中的 key；空字符串表示未配置密钥"
+    },
+    "apiKeyVerified": {
+      "type": "boolean",
+      "description": "API Key 是否已通过验证"
+    },
+    "enabled": {
+      "type": "boolean",
+      "description": "是否启用此提供商"
+    },
+    "status": {
+      "type": "string",
+      "enum": ["configured", "unconfigured", "error"],
+      "description": "提供商状态"
+    },
+    "services": {
+      "type": "array",
+      "description": "支持的服务类型列表（如 chat、reasoning、vision、embedding）",
+      "items": { "type": "string" }
+    },
+    "priceCurrency": {
+      "type": "string",
+      "enum": ["USD", "CNY"],
+      "description": "价格货币单位。models 中的 inputPrice/outputPrice 均以此货币计价"
+    },
+    "accessMode": {
+      "type": "string",
+      "enum": ["api", "coding-plan"],
+      "description": "接入模式：api（按量付费）或 coding-plan（编程订阅套餐）"
+    },
+    "brandGroup": {
+      "type": "string",
+      "description": "品牌分组标识，UI 按此字段排序"
+    },
+    "codingPlan": {
+      "type": "object",
+      "description": "Coding Plan 专属配置（仅当 accessMode = coding-plan 时有效）",
+      "properties": {
+        "planTier": { "type": "string" },
+        "planLabel": { "type": "string" },
+        "quotas": {
+          "type": "object",
+          "properties": {
+            "per5h": { "type": "number", "minimum": 0 },
+            "perWeek": { "type": "number", "minimum": 0 },
+            "perMonth": { "type": "number", "minimum": 0 },
+            "per7d": { "type": "number", "minimum": 0 }
+          },
+          "additionalProperties": false
+        },
+        "usageTracking": {
+          "type": "object",
+          "properties": {
+            "method": {
+              "type": "string",
+              "enum": ["rest-api", "response-header", "manual", "none"]
+            },
+            "endpoint": { "type": "string" },
+            "headerKeys": {
+              "type": "object",
+              "properties": {
+                "remaining": { "type": "string" },
+                "limit": { "type": "string" },
+                "reset": { "type": "string" }
+              },
+              "additionalProperties": false
+            },
+            "consoleUrl": { "type": "string" }
+          },
+          "additionalProperties": false
+        },
+        "modelIdOverride": { "type": "string" },
+        "maxConcurrent": { "type": "number", "minimum": 1 },
+        "expiresAt": { "type": "string", "format": "date-time" }
+      },
+      "additionalProperties": false
+    },
+    "models": {
+      "type": "array",
+      "description": "此提供商下的可用模型列表",
+      "items": { "$ref": "#/definitions/model" }
+    },
+    "tombstones": {
+      "type": "array",
+      "description": "预置显式删除的模型 modelName 白名单",
+      "items": { "type": "string" }
+    }
+  },
+  "additionalProperties": false,
+  "definitions": {
+    "model": {
+      "type": "object",
+      "required": ["modelName", "displayName", "serviceType", "capabilities"],
+      "properties": {
+        "modelName": {
+          "type": "string",
+          "description": "模型 ID，用于 API 调用（如 gpt-5-mini、claude-sonnet-4）",
+          "minLength": 1
+        },
+        "displayName": {
+          "type": "string",
+          "description": "模型显示名称（如 GPT-5 Mini、Claude Sonnet 4）",
+          "minLength": 1
+        },
+        "serviceType": {
+          "type": ["string", "array"],
+          "items": { "type": "string" },
+          "description": "服务类型，支持单个字符串或数组：chat、reasoning、fast、responses、translation、tts、asr、voice_clone、realtime_voice、simultaneous_interpret、vision、ocr、image_gen、video_gen、embedding、rerank、omni、computer_use 等"
+        },
+        "description": {
+          "type": "string",
+          "description": "模型简要描述"
+        },
+        "contextWindow": {
+          "type": "number",
+          "description": "上下文窗口大小（token 数）",
+          "minimum": 0
+        },
+        "maxOutputTokens": {
+          "type": "number",
+          "description": "单次请求最大输出 token 数",
+          "minimum": 0
+        },
+        "capabilities": {
+          "type": "array",
+          "description": "模型能力标签：chat、vision、tool_use、code、reasoning 等",
+          "items": { "type": "string" }
+        },
+        "inputPrice": {
+          "type": "number",
+          "description": "输入价格（每百万 token），货币由 Provider.priceCurrency 决定",
+          "minimum": 0
+        },
+        "outputPrice": {
+          "type": "number",
+          "description": "输出价格（每百万 token），货币由 Provider.priceCurrency 决定",
+          "minimum": 0
+        },
+        "defaultTemperature": {
+          "type": "number",
+          "description": "默认温度参数（0-2）。【重要】必须是 number，禁止写为 null 或字符串。reasoning 等不支持温度的模型应完全省略此字段。null 会破坏 fix #471 之前发布的客户端（schema 严格 number），导致 readComputeConfig 死锁。",
+          "minimum": 0,
+          "maximum": 2
+        },
+        "defaultTopP": {
+          "type": "number",
+          "description": "默认 Top-P 参数（0-1）。【重要】必须是 number，禁止写为 null 或字符串。reasoning 等不支持 Top-P 的模型应完全省略此字段。null 会破坏 fix #471 之前发布的客户端，导致死锁。",
+          "minimum": 0,
+          "maximum": 1
+        },
+        "extra": {
+          "type": "object",
+          "description": "模型特定配置：如 TTS 模型音色列表、ASR 支持格式等",
+          "additionalProperties": true
+        },
+        "apiModelId": {
+          "type": "string",
+          "description": "实际传给上游 API 的 model 参数。当 modelName 与 API 期望名称不同时使用"
+        },
+        "source": {
+          "type": "string",
+          "enum": ["preset", "synced", "user-added", "ollama-discovery"],
+          "description": "模型来源。config-center 数据应统一为 preset"
+        }
+      },
+      "additionalProperties": false
+    }
+  }
+}
diff --git a/schemas/providers-index.schema.json b/schemas/providers-index.schema.json
new file mode 100644
index 0000000..0170b0a
--- /dev/null
+++ b/schemas/providers-index.schema.json
@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://desirecore.net/schemas/config-center/providers-index.schema.json",
+  "title": "ProvidersIndex",
+  "description": "compute/providers/_index.json 与 compute/coding-plans/_index.json 共用。指定 Provider 加载顺序。",
+  "type": "object",
+  "required": ["order"],
+  "properties": {
+    "description": { "type": "string" },
+    "order": {
+      "type": "array",
+      "description": "Provider 加载顺序，元素为对应 JSON 文件的 basename（不含 .json）",
+      "items": { "type": "string", "minLength": 1 },
+      "uniqueItems": true
+    }
+  },
+  "additionalProperties": false
+}
diff --git a/schemas/service-map.schema.json b/schemas/service-map.schema.json
new file mode 100644
index 0000000..b41abaa
--- /dev/null
+++ b/schemas/service-map.schema.json
@@ -0,0 +1,24 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "$id": "https://desirecore.net/schemas/config-center/service-map.schema.json",
+  "title": "ServiceMap",
+  "description": "compute/service-map.json：默认服务到 (provider, model) 的映射。key 为服务类型（chat/reasoning/...），value 指向具体 Provider 和模型。",
+  "type": "object",
+  "additionalProperties": {
+    "type": "object",
+    "required": ["modelName", "providerId"],
+    "properties": {
+      "modelName": {
+        "type": "string",
+        "description": "目标模型 modelName，须与对应 Provider 的 models[].modelName 一致",
+        "minLength": 1
+      },
+      "providerId": {
+        "type": "string",
+        "description": "目标 Provider 的 id 字段",
+        "minLength": 1
+      }
+    },
+    "additionalProperties": false
+  }
+}
diff --git a/scripts/validate.mjs b/scripts/validate.mjs
new file mode 100644
index 0000000..63247e6
--- /dev/null
+++ b/scripts/validate.mjs
@@ -0,0 +1,154 @@
+#!/usr/bin/env node
+/**
+ * 校验 config-center 所有数据文件是否符合 frozen schema 契约。
+ *
+ * 用法：
+ *   node scripts/validate.mjs            # 校验整个仓库
+ *   node scripts/validate.mjs --file <p> # 校验单个文件
+ *
+ * 退出码：0 = 全部通过，1 = 至少一个文件校验失败。
+ *
+ * 设计：
+ * - frozen schema 镜像 desirecore d185299（fix #471 之前）的严格 schema
+ * - 任何破坏老版本兼容的数据（如 defaultTemperature: null）会被拒绝
+ * - CI on pull_request 自动跑此脚本，不通过则禁止合并
+ */
+
+import { readFileSync, readdirSync, statSync } from 'node:fs'
+import { join, dirname, basename, relative, resolve } from 'node:path'
+import { fileURLToPath } from 'node:url'
+import { Ajv } from 'ajv'
+import addFormats from 'ajv-formats'
+
+const __dirname = dirname(fileURLToPath(import.meta.url))
+const ROOT = resolve(__dirname, '..')
+
+/** 加载 schemas/ 下所有 JSON Schema。每次调用使用独立的 Ajv 实例避免 $id 冲突。 */
+export function loadSchemas() {
+  const ajv = new Ajv({ allErrors: true, strict: false })
+  addFormats(ajv)
+  const schemasDir = join(ROOT, 'schemas')
+  const map = {}
+  for (const file of readdirSync(schemasDir)) {
+    if (!file.endsWith('.schema.json')) continue
+    const schema = JSON.parse(readFileSync(join(schemasDir, file), 'utf8'))
+    map[basename(file, '.schema.json')] = ajv.compile(schema)
+  }
+  return map
+}
+
+/**
+ * 决定单个数据文件应使用哪个 schema。
+ * 返回 schema key 字符串，或 null 表示无需校验。
+ */
+function pickSchemaKey(absPath) {
+  const rel = relative(ROOT, absPath).replaceAll('\\', '/')
+  if (rel === 'manifest.json') return 'manifest'
+  if (rel === 'compute/pricing.json') return 'pricing'
+  if (rel === 'compute/service-map.json') return 'service-map'
+  if (rel === 'compute/providers/_index.json') return 'providers-index'
+  if (rel === 'compute/coding-plans/_index.json') return 'providers-index'
+  if (rel.startsWith('compute/providers/') && rel.endsWith('.json')) return 'provider'
+  if (rel.startsWith('compute/coding-plans/') && rel.endsWith('.json')) return 'provider'
+  return null
+}
+
+const SKIP_DIRS = new Set(['node_modules', 'schemas', '__tests__', 'scripts'])
+
+function* walkJsonFiles(dir) {
+  for (const entry of readdirSync(dir)) {
+    if (entry.startsWith('.') || SKIP_DIRS.has(entry)) continue
+    const full = join(dir, entry)
+    const st = statSync(full)
+    if (st.isDirectory()) {
+      yield* walkJsonFiles(full)
+    } else if (entry.endsWith('.json')) {
+      yield full
+    }
+  }
+}
+
+function formatErrors(errors) {
+  return errors
+    .map((e) => `    ${e.instancePath || '/'}: ${e.message}${
+      e.params && Object.keys(e.params).length ? ` (${JSON.stringify(e.params)})` : ''
+    }`)
+    .join('\n')
+}
+
+/** 校验单个文件，返回 { ok, schemaKey, errors? } */
+export function validateFile(absPath, validators = loadSchemas()) {
+  const schemaKey = pickSchemaKey(absPath)
+  if (!schemaKey) return { ok: true, schemaKey: null, skipped: true }
+
+  const validator = validators[schemaKey]
+  if (!validator) {
+    return { ok: false, schemaKey, errors: [{ message: `schema '${schemaKey}' not found` }] }
+  }
+
+  let data
+  try {
+    data = JSON.parse(readFileSync(absPath, 'utf8'))
+  } catch (err) {
+    return { ok: false, schemaKey, errors: [{ message: `JSON parse error: ${err.message}` }] }
+  }
+
+  const valid = validator(data)
+  if (valid) return { ok: true, schemaKey }
+  return { ok: false, schemaKey, errors: validator.errors }
+}
+
+function main() {
+  const args = process.argv.slice(2)
+  const fileArgIdx = args.indexOf('--file')
+  const targets = []
+
+  if (fileArgIdx >= 0) {
+    const file = args[fileArgIdx + 1]
+    if (!file) {
+      console.error('--file requires a path argument')
+      process.exit(2)
+    }
+    targets.push(resolve(file))
+  } else {
+    targets.push(...walkJsonFiles(ROOT))
+  }
+
+  const validators = loadSchemas()
+  let failures = 0
+  let validated = 0
+  let skipped = 0
+
+  for (const file of targets) {
+    const rel = relative(ROOT, file)
+    const result = validateFile(file, validators)
+    if (result.skipped) {
+      skipped++
+      continue
+    }
+    if (result.ok) {
+      validated++
+      console.log(`  ok  [${result.schemaKey}] ${rel}`)
+    } else {
+      failures++
+      console.error(`  fail [${result.schemaKey}] ${rel}`)
+      console.error(formatErrors(result.errors))
+    }
+  }
+
+  console.log()
+  console.log(`Summary: ${validated} validated, ${skipped} skipped, ${failures} failed`)
+
+  if (failures > 0) {
+    console.error('\n校验失败！请检查上方错误。')
+    console.error('常见问题：')
+    console.error('  - defaultTemperature/defaultTopP 必须是 number，禁止写 null（reasoning 模型应完全省略字段）')
+    console.error('  - additionalProperties 严格模式：新增字段需先在 desirecore 主仓升级 schema 再推送数据')
+    process.exit(1)
+  }
+}
+
+const isMain = process.argv[1] === fileURLToPath(import.meta.url)
+if (isMain) {
+  main()
+}