fix: preserve agent id casing

src/cron/normalize.ts

@@ -1,4 +1,3 @@
-import { normalizeAgentId } from "../routing/session-key.js";
 import { parseAbsoluteTimeMs } from "./parse.js";
 import { migrateLegacyCronPayload } from "./payload-migration.js";
 import type { CronJobCreate, CronJobPatch } from "./types.js";
@@ -76,7 +75,7 @@ export function normalizeCronJobInput(
       next.agentId = null;
     } else if (typeof agentId === "string") {
       const trimmed = agentId.trim();
-      if (trimmed) next.agentId = normalizeAgentId(trimmed);
+      if (trimmed) next.agentId = trimmed;
       else delete next.agentId;
     }
   }