feat: cron agent binding + doctor UI refresh

ui/src/ui/app.ts

@@ -175,6 +175,7 @@ declare global {
 const DEFAULT_CRON_FORM: CronFormState = {
   name: "",
   description: "",
+  agentId: "",
   enabled: true,
   scheduleKind: "every",
   scheduleAt: "",

ui/src/ui/controllers/cron.ts

@@ -99,9 +99,11 @@ export async function addCronJob(state: CronState) {
   try {
     const schedule = buildCronSchedule(state.cronForm);
     const payload = buildCronPayload(state.cronForm);
+    const agentId = state.cronForm.agentId.trim();
     const job = {
       name: state.cronForm.name.trim(),
       description: state.cronForm.description.trim() || undefined,
+      agentId: agentId || undefined,
       enabled: state.cronForm.enabled,
       schedule,
       sessionTarget: state.cronForm.sessionTarget,

ui/src/ui/ui-types.ts

@@ -157,6 +157,7 @@ export type IMessageForm = {
 export type CronFormState = {
   name: string;
   description: string;
+  agentId: string;
   enabled: boolean;
   scheduleKind: "at" | "every" | "cron";
   scheduleAt: string;

ui/src/ui/views/cron.ts

@@ -82,6 +82,15 @@ export function renderCron(props: CronProps) {
                 props.onFormChange({ description: (e.target as HTMLInputElement).value })}
             />
           </label>
+          <label class="field">
+            <span>Agent ID</span>
+            <input
+              .value=${props.form.agentId}
+              @input=${(e: Event) =>
+                props.onFormChange({ agentId: (e.target as HTMLInputElement).value })}
+              placeholder="default"
+            />
+          </label>
           <label class="field checkbox">
             <span>Enabled</span>
             <input
@@ -338,6 +347,7 @@ function renderJob(job: CronJob, props: CronProps) {
         <div class="list-title">${job.name}</div>
         <div class="list-sub">${formatCronSchedule(job)}</div>
         <div class="muted">${formatCronPayload(job)}</div>
+        ${job.agentId ? html`<div class="muted">Agent: ${job.agentId}</div>` : nothing}
         <div class="chip-row" style="margin-top: 6px;">
           <span class="chip">${job.enabled ? "enabled" : "disabled"}</span>
           <span class="chip">${job.sessionTarget}</span>