stream cron output

apps/cron/20260201-000000/index.tsx

@@ -438,9 +438,11 @@ app.get('/job/:app/:name', async c => {
     <Layout title={`${job.app}/${job.name}`} refresh={job.state === 'running'}>
       <BackLink href={backUrl}>&#8592; Back</BackLink>
       <DetailHeader>
-        <StatusDot style={{ backgroundColor: statusColor(job) }} />
-        <DetailTitle>{job.app}/{job.name}</DetailTitle>
-        <StatusBadge style={statusBadgeStyle(job)}>{statusLabel(job)}</StatusBadge>
+        <div style={{ display: 'flex', alignItems: 'center', gap: '12px', flex: 1 }}>
+          <StatusDot style={{ backgroundColor: statusColor(job) }} />
+          <DetailTitle>{job.app}/{job.name}</DetailTitle>
+          <StatusBadge style={statusBadgeStyle(job)}>{statusLabel(job)}</StatusBadge>
+        </div>
         <form method="post" action={`/run/${job.app}/${job.name}?return=detail&app=${appFilter || ''}`}>
           <RunButton type="submit" disabled={job.state === 'running'}>
             {job.state === 'running' ? 'Running...' : 'Run Now'}
@@ -449,8 +451,8 @@ app.get('/job/:app/:name', async c => {
       </DetailHeader>
       <DetailMeta>
         <MetaItem><MetaLabel>Schedule</MetaLabel> {job.schedule}</MetaItem>
-        <MetaItem><MetaLabel>Last run</MetaLabel> {formatRelative(job.lastRun)}</MetaItem>
-        <MetaItem><MetaLabel>Duration</MetaLabel> {formatDuration(job.lastDuration)}</MetaItem>
+        <MetaItem><MetaLabel>Last run</MetaLabel> {job.state === 'running' ? 'now' : formatRelative(job.lastRun)}</MetaItem>
+        <MetaItem><MetaLabel>Duration</MetaLabel> {job.state === 'running' ? formatDuration(Date.now() - job.lastRun!) : formatDuration(job.lastDuration)}</MetaItem>
         <MetaItem><MetaLabel>Next run</MetaLabel> {formatRelative(job.nextRun)}</MetaItem>
       </DetailMeta>
       {job.lastError && (
@@ -459,17 +461,21 @@ app.get('/job/:app/:name', async c => {
           <ErrorBlock>{job.lastError}</ErrorBlock>
         </OutputSection>
       )}
-      {job.lastOutput && (
+      {job.lastOutput ? (
         <OutputSection>
           <OutputLabel>Output</OutputLabel>
           <OutputBlock>{job.lastOutput}</OutputBlock>
         </OutputSection>
-      )}
-      {!job.lastError && !job.lastOutput && job.lastRun && (
+      ) : job.state === 'running' ? (
+        <OutputSection>
+          <OutputLabel>Output</OutputLabel>
+          <OutputBlock style={{ color: theme('colors-textMuted') }}>Waiting for output...</OutputBlock>
+        </OutputSection>
+      ) : job.lastRun && !job.lastError ? (
         <OutputSection>
           <EmptyState>No output</EmptyState>
         </OutputSection>
-      )}
+      ) : null}
     </Layout>
   )
 })

apps/cron/20260201-000000/lib/executor.ts

@@ -3,13 +3,28 @@ import type { CronJob } from './schedules'
 import { getNextRun } from './scheduler'
 
 const APPS_DIR = process.env.APPS_DIR!
+const TOES_DIR = process.env.TOES_DIR!
 const RUNNER = join(import.meta.dir, 'runner.ts')
 
+async function readStream(stream: ReadableStream<Uint8Array>, append: (text: string) => void) {
+  const reader = stream.getReader()
+  const decoder = new TextDecoder()
+  while (true) {
+    const { done, value } = await reader.read()
+    if (done) break
+    append(decoder.decode(value, { stream: true }))
+  }
+}
+
 export async function executeJob(job: CronJob, onUpdate: () => void): Promise<void> {
   if (job.state === 'disabled') return
 
   job.state = 'running'
   job.lastRun = Date.now()
+  job.lastOutput = undefined
+  job.lastError = undefined
+  job.lastExitCode = undefined
+  job.lastDuration = undefined
   onUpdate()
 
   const cwd = join(APPS_DIR, job.app, 'current')
@@ -17,29 +32,35 @@ export async function executeJob(job: CronJob, onUpdate: () => void): Promise<vo
   try {
     const proc = Bun.spawn(['bun', 'run', RUNNER, job.file], {
       cwd,
-      env: { ...process.env },
+      env: { ...process.env, DATA_DIR: join(TOES_DIR, job.app) },
       stdout: 'pipe',
       stderr: 'pipe',
     })
 
-    const [stdout, stderr] = await Promise.all([
-      new Response(proc.stdout).text(),
-      new Response(proc.stderr).text(),
+    // Stream output incrementally into job fields
+    await Promise.all([
+      readStream(proc.stdout as ReadableStream<Uint8Array>, text => {
+        job.lastOutput = (job.lastOutput || '') + text
+      }),
+      readStream(proc.stderr as ReadableStream<Uint8Array>, text => {
+        job.lastError = (job.lastError || '') + text
+      }),
     ])
 
     const code = await proc.exited
 
     job.lastDuration = Date.now() - job.lastRun
     job.lastExitCode = code
-    job.lastError = code !== 0 ? stderr || 'Non-zero exit' : undefined
-    job.lastOutput = stdout || undefined
+    if (!job.lastError && code !== 0) job.lastError = 'Non-zero exit'
+    if (code === 0) job.lastError = undefined
+    if (!job.lastOutput) job.lastOutput = undefined
     job.state = 'idle'
     job.nextRun = getNextRun(job.id)
 
     // Log result
     console.log(`[cron] ${job.id} finished: code=${code} duration=${job.lastDuration}ms`)
-    if (stdout) console.log(stdout)
-    if (stderr) console.error(stderr)
+    if (job.lastOutput) console.log(job.lastOutput)
+    if (job.lastError) console.error(job.lastError)
   } catch (e) {
     job.lastDuration = Date.now() - job.lastRun
     job.lastExitCode = 1