Initial public release of PSX Adventure Engine

Browser reference stack for PSX-era third-person adventure: fixed cameras,
inventory puzzles, Box3D physics, host-authoritative P2P co-op, and a modular
character harness. Ships the Ashgrove Precinct Level 1 investigation demo with
a full cast and nine linked rooms.

tools/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "@psx/tools",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "typecheck": "tsc -p tsconfig.json",
+    "harness": "tsx src/cli.ts",
+    "cast": "tsx src/creator/build.ts",
+    "creator": "tsx src/creator/build.ts",
+    "creator:ui": "vite --config web/vite.config.ts",
+    "creator:ui:build": "vite build --config web/vite.config.ts",
+    "test": "vitest run",
+    "preview": "tsx src/preview/cli.ts"
+  },
+  "dependencies": {
+    "@psx/shared": "workspace:*",
+    "jpeg-js": "^0.4.4",
+    "pngjs": "^7.0.0"
+  },
+  "devDependencies": {
+    "@types/node": "^24.10.1",
+    "@types/pngjs": "^6.0.5",
+    "@types/three": "^0.185.1",
+    "three": "^0.185.1",
+    "tsx": "^4.23.1",
+    "typescript": "^5.9.3",
+    "vite": "^8.2.0",
+    "vitest": "^4.1.10"
+  }
+}