Function stripEnvModelConfig

packages/agent-core/src/config/env-model.ts:170–197

(config: KimiConfig)

 * config.toml survive the round-trip.
 */
export function stripEnvModelConfig(config: KimiConfig): KimiConfig {
  const hasProvider = ENV_MODEL_PROVIDER_KEY in config.providers;
  const hasModel = config.models !== undefined && ENV_MODEL_ALIAS_KEY in config.models;
  const defaultIsEnv = config.defaultModel === ENV_MODEL_ALIAS_KEY;
  if (!hasProvider && !hasModel && !defaultIsEnv) return config;

  const providers = { ...config.providers };
  delete providers[ENV_MODEL_PROVIDER_KEY];

  let models = config.models;
  if (models !== undefined && ENV_MODEL_ALIAS_KEY in models) {
    models = { ...models };
    delete models[ENV_MODEL_ALIAS_KEY];
  }

  return {
    ...config,
    providers,
    ...(models !== undefined ? { models } : {}),
    // Restore env-injected top-level fields from raw instead of persisting the
    // shell overrides: the env default_model (when it points at the env alias),
    // and the env thinking. Reaching here means env-model mode is active (the
    // synthetic provider/model exist), so these may be env values; an unset raw
    // field restores to undefined (i.e. drops it).
    ...(defaultIsEnv ? { defaultModel: rawDefaultModel(config) } : {}),
    thinking: rawThinking(config),
  };
}

function rawDefaultModel(config: KimiConfig): string | undefined {
  const raw = config.raw?.['default_model'];