const DEFAULT_E2E_MCP_SESSION_TIMEOUT_MS = 3_000;const DEFAULT_E2E_MCP_PAUSED_SESSION_IDLE_TIMEOUT_MS = 6_000;const PRODUCTION_MCP_SESSION_TIMEOUT_MS = 5 * 60 * 1000;const PRODUCTION_MCP_PAUSED_SESSION_IDLE_TIMEOUT_MS = 9 * 60 * 1000; export const MCP_SESSION_TIMEOUT_ENV = "MCP_SESSION_TIMEOUT_MS";export const MCP_PAUSED_SESSION_IDLE_TIMEOUT_ENV = "MCP_PAUSED_SESSION_IDLE_TIMEOUT_MS"; const positiveMilliseconds = (raw: string | undefined): number | undefined => {  if (!raw) return undefined;  const parsed = Number(raw);  if (!Number.isFinite(parsed) || parsed <= 0) return undefined;  return Math.floor(parsed);}; export const ensureE2eMcpSessionTimeoutEnv = (): {  readonly sessionTimeoutMs: number;  readonly pausedSessionIdleTimeoutMs: number;} => {  const sessionTimeoutMs =    positiveMilliseconds(process.env[MCP_SESSION_TIMEOUT_ENV]) ??    DEFAULT_E2E_MCP_SESSION_TIMEOUT_MS;  const pausedSessionIdleTimeoutMs =    positiveMilliseconds(process.env[MCP_PAUSED_SESSION_IDLE_TIMEOUT_ENV]) ??    DEFAULT_E2E_MCP_PAUSED_SESSION_IDLE_TIMEOUT_MS;   process.env[MCP_SESSION_TIMEOUT_ENV] = String(sessionTimeoutMs);  process.env[MCP_PAUSED_SESSION_IDLE_TIMEOUT_ENV] = String(pausedSessionIdleTimeoutMs);   return { sessionTimeoutMs, pausedSessionIdleTimeoutMs };}; export const configuredMcpPausedSessionIdleTimeoutMs = (): number =>  positiveMilliseconds(process.env[MCP_PAUSED_SESSION_IDLE_TIMEOUT_ENV]) ??  PRODUCTION_MCP_PAUSED_SESSION_IDLE_TIMEOUT_MS; export const configuredMcpSessionTimeoutMs = (): number =>  positiveMilliseconds(process.env[MCP_SESSION_TIMEOUT_ENV]) ?? PRODUCTION_MCP_SESSION_TIMEOUT_MS;