Function updateAccessToken

src/bridge/sessionRunner.ts:527–542

(token: string)

          }
        },
        updateAccessToken(token: string): void {
          handle.accessToken = token
          // Send the fresh token to the child process via stdin. The child's
          // StructuredIO handles update_environment_variables messages by
          // setting process.env directly, so getSessionIngressAuthToken()
          // picks up the new token on the next refreshHeaders call.
          handle.writeStdin(
            jsonStringify({
              type: 'update_environment_variables',
              variables: { CLAUDE_CODE_SESSION_ACCESS_TOKEN: token },
            }) + '\n',
          )
          deps.onDebug(
            `[bridge:session] Sent token refresh via stdin for sessionId=${opts.sessionId}`,
          )
        },
      }

      return handle