Phase 0: Project setup for agent-driven development

- Phaser 3 + bitECS 0.4 + TypeScript + Vite stack
- BootScene with title screen
- 6 cursor rules (project context, agent workflow, ECS, chemistry, Phaser, data)
- Vitest configured with happy-dom
- GDD, engine analysis, implementation plan, progress tracking

Co-authored-by: Cursor <cursoragent@cursor.com>

package.json

@@ -0,0 +1,23 @@
+{
+  "name": "synthesis",
+  "version": "0.1.0",
+  "description": "Scientific roguelike where real science replaces magic",
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc && vite build",
+    "preview": "vite preview",
+    "test": "vitest",
+    "test:run": "vitest run"
+  },
+  "dependencies": {
+    "bitecs": "^0.4.0",
+    "phaser": "^3.80.0"
+  },
+  "devDependencies": {
+    "happy-dom": "^20.6.1",
+    "typescript": "^5.4.0",
+    "vite": "^5.4.0",
+    "vitest": "^2.0.0"
+  }
+}