refactor(model): extract dashboard model package

packages/dashboard-model/package.json

@@ -0,0 +1,34 @@
+{
+  "name": "@dimensionlab/dashboard-model",
+  "version": "0.0.1",
+  "private": true,
+  "type": "module",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "default": "./dist/index.js"
+    },
+    "./fixtures": {
+      "types": "./dist/fixtures/index.d.ts",
+      "default": "./dist/fixtures/index.js"
+    }
+  },
+  "scripts": {
+    "build": "rm -rf dist && tsc -p tsconfig.build.json",
+    "check": "tsc --noEmit",
+    "test": "vitest run",
+    "test:unit": "vitest run"
+  },
+  "dependencies": {
+    "@sinclair/typebox": "^0.34.49",
+    "ajv": "^8.20.0",
+    "ajv-formats": "^3.0.1"
+  },
+  "devDependencies": {
+    "@types/bun": "^1.3.14",
+    "@types/node": "^25.9.3",
+    "bun-types": "^1.3.14",
+    "typescript": "^6.0.3",
+    "vitest": "^4.1.9"
+  }
+}