Method getLocalModelState

app/src/utils/ModelManager.ts:478–522

* Get unified state for a local model by server type. * Returns the current loading/loaded state for the specified engine.

(server: string)

   * Returns the current loading/loaded state for the specified engine.
   */
  public getLocalModelState(server: string): LocalModelState {
    if (server === ModelManager.BROWSER_LOCAL) {
      const gemmaState = GemmaModelManager.getInstance().getState();
      return {
        status: gemmaState.status === 'unloaded' ? 'unloaded'
          : gemmaState.status === 'loading' ? 'loading'
          : gemmaState.status === 'loaded' ? 'loaded'
          : 'error',
        modelId: gemmaState.modelId,
        error: gemmaState.error,
        progress: gemmaState.progress.map(p => ({
          file: p.file,
          progress: p.progress,
          loaded: p.loaded,
          total: p.total,
          done: p.status === 'done',
        })),
        engineInfo: gemmaState.loadSettings ? {
          type: 'transformers.js',
          device: gemmaState.loadSettings.device,
          dtype: gemmaState.loadSettings.dtype,
          enableThinking: gemmaState.loadSettings.enableThinking ?? false,
        } : { type: 'transformers.js' },
      };
    }

    if (server === ModelManager.LLAMA_CPP_LOCAL && isTauri()) {
      const nativeState = NativeLlmManager.getInstance().getState();
      return {
        status: nativeState.status,
        modelId: nativeState.modelId,
        error: nativeState.error,
        progress: [],  // llama.cpp doesn't have file-level progress
        engineInfo: { type: 'llama.cpp' },
      };
    }

    // Default state for unknown server
    return {
      status: 'unloaded',
      modelId: null,
      error: null,
      progress: [],
    };
  }

  /**
   * Load a local model by its ID and server type.