Merge PR #141 from chatgptkrylor/feat/scheduler: recurring cron-style scheduled jobs

Includes review fixes: multi-line prompt rejection, prompt-file confinement hardening (realpath + attachment-guard blocklist), per-job autoClosePreviousSession lifecycle, live-session-only concurrency counting, wired launchCommand.

src/web/ports/cron-port.ts

@@ -0,0 +1,10 @@
+/**
+ * @fileoverview Cron port — exposes the CronService to
+ * route handlers via the shared route context.
+ */
+
+import type { CronService } from '../../cron/cron-service.js';
+
+export interface CronPort {
+  readonly cron: CronService;
+}

src/web/ports/index.ts

@@ -13,3 +13,4 @@ export type { ConfigPort } from './config-port.js';
 export type { InfraPort, ScheduledRun } from './infra-port.js';
 export type { AuthPort } from './auth-port.js';
 export type { OrchestratorPort } from './orchestrator-port.js';
+export type { CronPort } from './cron-port.js';