Method postForm

apps/kimi-web/src/api/daemon/http.ts:182–255

Send multipart/form-data (FormData). Does NOT set Content-Type — browser sets it with boundary.

(path: string, formData: FormData)

  /** Send multipart/form-data (FormData). Does NOT set Content-Type — browser sets it with boundary. */
  async postForm<T>(path: string, formData: FormData): Promise<T> {
    const url = buildRestUrl(this.origin, path);
    const requestId = createRequestId();
    const headers: Record<string, string> = {
      'X-Request-Id': requestId,
    };
    this.addClientHeaders(headers);
    const startedAt = Date.now();
    traceRestRequest({ method: 'POST', path, url, requestId, body: describeFormData(formData) });
    let response: Response;
    try {
      response = await fetch(url, { method: 'POST', headers, body: formData, signal: timeoutSignal() });
    } catch (err) {
      traceRestFailure({ method: 'POST', path, requestId, phase: 'fetch', durationMs: Date.now() - startedAt, error: err });
      throw new DaemonNetworkError({
        message: `Network error calling POST ${path}`,
        cause: err,
        method: 'POST',
        path,
        url,
        requestId,
        phase: 'fetch',
        timeoutMs: REQUEST_TIMEOUT_MS,
        timestamp: Date.now(),
        durationMs: Date.now() - startedAt,
      });
    }
    let envelope: WireEnvelope<T>;
    const responseForDiagnostics = response.clone();
    try {
      envelope = (await response.json()) as WireEnvelope<T>;
    } catch (err) {
      traceRestFailure({ method: 'POST', path, requestId, phase: 'parse', durationMs: Date.now() - startedAt, status: response.status, error: err });
      throw new DaemonNetworkError({
        message: `Failed to parse JSON response from POST ${path}`,
        cause: err,
        method: 'POST',
        path,
        url,
        requestId,
        phase: 'parse',
        timeoutMs: REQUEST_TIMEOUT_MS,
        status: response.status,
        statusText: response.statusText,
        contentType: response.headers.get('content-type') ?? undefined,
        bodyPreview: await readResponsePreview(responseForDiagnostics),
        timestamp: Date.now(),
        durationMs: Date.now() - startedAt,
      });
    }
    traceRestResponse({
      method: 'POST',
      path,
      requestId,
      status: response.status,
      durationMs: Date.now() - startedAt,
      code: envelope.code,
      msg: envelope.msg,