Method getWithRetry

src/cli/transports/ccrClient.ts:905–958

* Single GET request with retry. Returns the parsed response body * on success, null if all retries are exhausted.

(
    url: string,
    authHeaders: Record<string, string>,
    context: string,
  )

   * on success, null if all retries are exhausted.
   */
  private async getWithRetry<T>(
    url: string,
    authHeaders: Record<string, string>,
    context: string,
  ): Promise<T | null> {
    for (let attempt = 1; attempt <= 10; attempt++) {
      let response
      try {
        response = await this.http.get<T>(url, {
          headers: {
            ...authHeaders,
            'anthropic-version': '2023-06-01',
            'User-Agent': getClaudeCodeUserAgent(),
          },
          validateStatus: alwaysValidStatus,
          timeout: 30_000,
        })
      } catch (error) {
        logForDebugging(
          `CCRClient: GET ${url} failed (attempt ${attempt}/10): ${errorMessage(error)}`,
          { level: 'warn' },
        )
        if (attempt < 10) {
          const delay =
            Math.min(500 * 2 ** (attempt - 1), 30_000) + Math.random() * 500
          await sleep(delay)
        }
        continue
      }

      if (response.status >= 200 && response.status < 300) {
        return response.data
      }
      if (response.status === 409) {
        this.handleEpochMismatch()
      }
      logForDebugging(
        `CCRClient: GET ${url} returned ${response.status} (attempt ${attempt}/10)`,
        { level: 'warn' },
      )

      if (attempt < 10) {
        const delay =
          Math.min(500 * 2 ** (attempt - 1), 30_000) + Math.random() * 500
        await sleep(delay)
      }
    }

    logForDebugging('CCRClient: GET retries exhausted', { level: 'error' })
    logForDiagnosticsNoPII('error', 'cli_worker_get_retries_exhausted', {
      context,
    })
    return null
  }

  /**
   * Report delivery status for a client-to-worker event.