perf(falukant): deploy prebuilt models and release WebGL contexts

frontend/scripts/build-falukant-runtime-models.mjs

@@ -0,0 +1,45 @@
+#!/usr/bin/env node
+/**
+ * Creates deployment-ready Falukant GLBs in the asset repository.
+ * Sources remain in models-src; only optimized *_opt.glb files are written
+ * to public/models and are later fetched by update-frontend.sh.
+ *
+ * Example:
+ *   npm run build-runtime-models -- --assets-dir ../YourPart3Assets
+ */
+import fs from 'node:fs';
+import path from 'node:path';
+import { spawnSync } from 'node:child_process';
+import { fileURLToPath } from 'node:url';
+
+const scriptDir = path.dirname(fileURLToPath(import.meta.url));
+const frontendDir = path.resolve(scriptDir, '..');
+const args = process.argv.slice(2);
+const optionIndex = args.indexOf('--assets-dir');
+const assetsDir = path.resolve(optionIndex >= 0 && args[optionIndex + 1]
+  ? args[optionIndex + 1]
+  : path.join(frontendDir, '..', '..', 'YourPart3Assets'));
+const sourceRoot = path.join(assetsDir, 'models-src', '3d', 'falukant');
+const outputRoot = path.join(assetsDir, 'public', 'models', '3d', 'falukant');
+
+for (const category of ['characters', 'houses']) {
+  const sourceDir = path.join(sourceRoot, category);
+  const outputDir = path.join(outputRoot, category);
+  if (!fs.existsSync(sourceDir)) {
+    throw new Error(`Missing model source directory: ${sourceDir}`);
+  }
+
+  const result = spawnSync(process.execPath, [path.join(scriptDir, 'optimize-glb.mjs')], {
+    cwd: frontendDir,
+    stdio: 'inherit',
+    env: {
+      ...process.env,
+      MODEL_SOURCE_DIR: sourceDir,
+      MODEL_OUTPUT_DIR: outputDir,
+      CLEAN_MODEL_OUTPUT: 'true',
+    },
+  });
+  if (result.status !== 0) process.exit(result.status ?? 1);
+}
+
+console.log(`Runtime models ready in ${outputRoot}`);