arch(hololake): establish clean Tauri desktop line

product-source/hololake-native-desktop/README.md

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+# HoloLake Native Desktop
+
+状态：`FOUNDATION_ROOT_CREATED · TAURI_SCAFFOLD_PENDING`
+
+这是 HoloLake 唯一未来桌面产品主线的干净源码根。它将采用 Tauri v2、Rust 和
+React/TypeScript，但不会从现有 Tauri 或 Electron 目录整树复制。
+
+当前只登记产品边界和发布广播合同。选择并验收新的视觉/交互方向之前，不创建会意外继承
+任一旧应用布局的产品 UI。
+
+## 供体边界
+
+- `../hololake-platform`：只读工程能力、合同、测试和 Rust 原生边界供体；
+- `../hololake-desktop` 与 `../guanghu-knowledge-base`：只读知识 UX、行为和数据兼容供体；
+- Tolaria、Outline 及其他上游：人工审查的零件来源，不是更新源或产品主线。
+
+禁止向供体继续增加新产品功能。迁入单位只能是：能力合同、来源/许可证、威胁面、实现、
+测试和人类可见验收。
+
+## 更新边界
+
+- 生产客户端只允许 HoloLake 所有的 HTTPS 发布端点；
+- 广播可自动出现，下载/安装/重启必须由人类明确选择；
+- Tauri 更新包签名验证不可关闭；
+- 平台代码签名与更新包签名是两条独立信任链；
+- 私钥和平台签名凭据不得进入此目录；
+- 启动健康回执与可恢复回退是发布完成条件。
+
+机器可读广播合同：`contracts/release-broadcast.schema.json`。
+
+## 下一门
+
+1. 确认正式 bundle identifier、HoloLake 更新域名和密钥托管责任；
+2. 完成双供体功能/数据/许可证/安全审计；
+3. 选择新的人类界面视觉方向；
+4. 再生成最小 Tauri 工程和第一条知识纵向切片。

product-source/hololake-native-desktop/contracts/release-broadcast.schema.json

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+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://releases.hololake.invalid/contracts/release-broadcast.schema.json",
+  "title": "HoloLake signed opt-in release broadcast",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "schema",
+    "releaseId",
+    "version",
+    "publishedAt",
+    "features",
+    "compatibility",
+    "restart",
+    "platforms",
+    "rollback"
+  ],
+  "properties": {
+    "schema": { "const": "hololake.release-broadcast/v1" },
+    "releaseId": { "type": "string", "minLength": 1 },
+    "version": {
+      "type": "string",
+      "pattern": "^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(?:-[0-9A-Za-z.-]+)?(?:\\+[0-9A-Za-z.-]+)?$"
+    },
+    "publishedAt": { "type": "string", "format": "date-time" },
+    "features": {
+      "type": "array",
+      "minItems": 1,
+      "items": { "type": "string", "minLength": 1 }
+    },
+    "fixes": {
+      "type": "array",
+      "items": { "type": "string", "minLength": 1 }
+    },
+    "compatibility": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["minimumVersion", "dataMigrationRequired"],
+      "properties": {
+        "minimumVersion": { "type": "string", "minLength": 1 },
+        "dataMigrationRequired": { "type": "boolean" },
+        "notes": { "type": "string" }
+      }
+    },
+    "restart": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["required", "automaticAllowed"],
+      "properties": {
+        "required": { "const": true },
+        "automaticAllowed": { "const": false },
+        "message": { "type": "string" }
+      }
+    },
+    "platforms": {
+      "type": "object",
+      "minProperties": 1,
+      "additionalProperties": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["url", "size", "sha256", "tauriSignature"],
+        "properties": {
+          "url": { "type": "string", "pattern": "^https://" },
+          "size": { "type": "integer", "minimum": 1 },
+          "sha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
+          "tauriSignature": { "type": "string", "minLength": 1 },
+          "platformCodeSignatureReceipt": { "type": "string", "minLength": 1 },
+          "notarizationReceipt": { "type": "string", "minLength": 1 }
+        }
+      }
+    },
+    "rollback": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["supported", "healthReceiptRequired"],
+      "properties": {
+        "supported": { "const": true },
+        "healthReceiptRequired": { "const": true },
+        "previousVersion": { "type": "string" }
+      }
+    }
+  }
+}

product-source/hololake-native-desktop/foundation.json

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+{
+  "schema": "hololake.native-desktop-foundation/v1",
+  "record_id": "HLP-NATIVE-DESKTOP-FOUNDATION-001",
+  "state": "FOUNDATION_ROOT_CREATED_TAURI_SCAFFOLD_PENDING",
+  "canonical_shell": "TAURI_V2_RUST_REACT",
+  "product_ui_implementation_started": false,
+  "selected_visual_direction_present": false,
+  "upstream_product_update_endpoints": [],
+  "production_update_endpoint_owner": "HOLOLAKE_ONLY",
+  "release_broadcast_contract": "contracts/release-broadcast.schema.json",
+  "private_signing_material_allowed_in_source": false,
+  "donors": [
+    {
+      "path": "../hololake-platform",
+      "role": "READ_ONLY_ENGINEERING_CAPABILITY_DONOR"
+    },
+    {
+      "path": "../hololake-desktop",
+      "role": "READ_ONLY_KNOWLEDGE_UX_AND_BEHAVIOR_DONOR"
+    },
+    {
+      "path": "../guanghu-knowledge-base",
+      "role": "READ_ONLY_KNOWLEDGE_UX_BEHAVIOR_AND_DATA_DONOR"
+    }
+  ]
+}