Function deepMerge

src/runtime-config.js:89–104

(base, override)

const SYSTEM_PROMPT_KEYS = new Set(Object.keys(DEFAULTS.systemPrompts));

function deepMerge(base, override) {
  if (!override || typeof override !== 'object') return base;
  const out = { ...base };
  for (const [k, v] of Object.entries(override)) {
    // Skip prototype-polluting keys — the JSON loaded here is user-writable
    // via the dashboard, and a crafted key would otherwise corrupt every
    // object in the process.
    if (k === '__proto__' || k === 'constructor' || k === 'prototype') continue;
    if (v && typeof v === 'object' && !Array.isArray(v)) {
      out[k] = deepMerge(base[k] || {}, v);
    } else {
      out[k] = v;
    }
  }
  return out;
}

let _state = structuredClone(DEFAULTS);