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// modules/test/test-world-model-save.js — run: node modules/test/test-world-model-save.js
const fs = require('fs'), path = require('path');
const src = fs.readFileSync(path.join(__dirname, '../core/module-world-model.js'), 'utf8');
const WorldModelModule = new Function(src + '\nreturn WorldModelModule;')();
const wm = new WorldModelModule();
wm._model = { version: 'test', nodes: 1 };
const calls = [];
const fake = {
readDir: () => [], mkdir: () => {},
readFile: () => '',
writeFile: (p) => { calls.push(p); return false; }, // every write fails
fsReadJSON: () => ({ version: 'test', nodes: 1 }), // truthy: old code would promote
fsWriteJSON: (p) => { calls.push(p); return false; },
deleteFile: () => true,
};
const errs = []; const orig = console.error;
console.error = (m) => errs.push(String(m));
wm._saveToVFS(fake);
console.error = orig;
const promoted = calls.some(p => p === '/system/world-model.json');
console.log(JSON.stringify({ calls, errs, promoted }));
process.exit(promoted || errs.length === 0 ? 1 : 0);
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