checkin test

Author: DavidQ

README.txt

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+DEV CONSOLE TEST (CODEX-READY)
+
+Place this file in your repo ROOT (same level as /tools).
+
+Then run:
+node dev_console_test.js
+
+This assumes:
+tools/shared/devConsoleDebugOverlay.js exists (from your APPLY PR)

dev_console_test.js

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+// Simple Dev Console Test
+import { createDevConsoleDebugOverlayRuntime } from './tools/shared/devConsoleDebugOverlay.js';
+
+const devRuntime = createDevConsoleDebugOverlayRuntime();
+
+console.log("STATE:", devRuntime.getState());
+
+devRuntime.showConsole();
+devRuntime.showOverlay();
+
+const result = devRuntime.executeConsoleInput("help", {
+  runtime: { sceneId: "scene.dev", status: "ready" },
+  hotReload: { enabled: true },
+  validation: { errorCount: 0, warningCount: 0 }
+});
+
+console.log("\nCOMMAND OUTPUT:");
+console.log(result.output.lines);
+
+const diagnostics = devRuntime.collectDiagnostics({
+  runtime: { sceneId: "scene.dev", status: "ready" },
+  render: { fps: 60, stages: ["parallax","tilemap","entities"] },
+  hotReload: { enabled: true, pending: false },
+  validation: { errorCount: 0, warningCount: 0 },
+  camera: { x: 0, y: 0, zoom: 1 },
+  entities: { count: 5 },
+  tilemap: { layerCount: 2 },
+  input: { lastKey: null },
+  assets: { loaded: 10 }
+});
+
+const overlay = devRuntime.renderOverlay(diagnostics.diagnostics);
+
+console.log("\nOVERLAY:");
+console.log(overlay.sections.map(s => s.title));