feat: cron job run history panel and job model display (#319)

- Jobs page: cron run history panel with job selection and filtering
- Jobs page: model shown as read-only on job cards
- Job form modal: properly typed payloads
- i18n: added runHistory, model keys to all 8 locales

packages/server/src/controllers/hermes/cron-history.ts

@@ -0,0 +1,114 @@
+import type { Context } from 'koa'
+import { readdir, stat, readFile } from 'fs/promises'
+import { join } from 'path'
+import { homedir } from 'os'
+import { existsSync } from 'fs'
+
+const HERMES_BASE = join(homedir(), '.hermes')
+const CRON_OUTPUT = join(HERMES_BASE, 'cron', 'output')
+
+export interface RunEntry {
+  jobId: string
+  fileName: string
+  runTime: string
+  size: number
+}
+
+export interface RunDetail {
+  jobId: string
+  fileName: string
+  runTime: string
+  content: string
+}
+
+/** List all run output files, optionally filtered by job ID */
+export async function listRuns(ctx: Context) {
+  const jobId = ctx.query.jobId as string | undefined
+
+  if (!existsSync(CRON_OUTPUT)) {
+    ctx.body = { runs: [] }
+    return
+  }
+
+  try {
+    const dirs = await readdir(CRON_OUTPUT)
+    const runs: RunEntry[] = []
+
+    const targetDirs = jobId ? dirs.filter(d => d === jobId) : dirs
+
+    for (const dir of targetDirs) {
+      const dirPath = join(CRON_OUTPUT, dir)
+      try {
+        const dirStat = await stat(dirPath)
+        if (!dirStat.isDirectory()) continue
+
+        const files = await readdir(dirPath)
+        // Sort by filename descending (newest first, since filenames are timestamps)
+        const sorted = files.sort().reverse()
+
+        for (const file of sorted) {
+          if (!file.endsWith('.md')) continue
+          const filePath = join(dirPath, file)
+          try {
+            const fileStat = await stat(filePath)
+            // Parse run time from filename: 2026-04-18_12-01-40.md → 2026-04-18 12:01:40
+            const match = file.match(/^(\d{4}-\d{2}-\d{2})_(\d{2}-\d{2}-\d{2})\.md$/)
+            const runTime = match ? `${match[1]} ${match[2].replace(/-/g, ':')}` : file
+
+            runs.push({
+              jobId: dir,
+              fileName: file,
+              runTime,
+              size: fileStat.size,
+            })
+          } catch { /* skip unreadable files */ }
+        }
+      } catch { /* skip unreadable dirs */ }
+    }
+
+    // Sort all runs by runTime descending
+    runs.sort((a, b) => b.runTime.localeCompare(a.runTime))
+
+    ctx.body = { runs }
+  } catch (err: any) {
+    ctx.status = 500
+    ctx.body = { error: err.message }
+  }
+}
+
+/** Read a specific run output file */
+export async function readRun(ctx: Context) {
+  const { jobId, fileName } = ctx.params
+
+  if (!jobId || !fileName) {
+    ctx.status = 400
+    ctx.body = { error: 'jobId and fileName are required' }
+    return
+  }
+
+  // Prevent path traversal
+  if (jobId.includes('..') || fileName.includes('..') || jobId.includes('/') || fileName.includes('/')) {
+    ctx.status = 400
+    ctx.body = { error: 'Invalid path' }
+    return
+  }
+
+  const filePath = join(CRON_OUTPUT, jobId, fileName)
+
+  if (!existsSync(filePath)) {
+    ctx.status = 404
+    ctx.body = { error: 'Run output not found' }
+    return
+  }
+
+  try {
+    const content = await readFile(filePath, 'utf-8')
+    const match = fileName.match(/^(\d{4}-\d{2}-\d{2})_(\d{2}-\d{2}-\d{2})\.md$/)
+    const runTime = match ? `${match[1]} ${match[2].replace(/-/g, ':')}` : fileName
+
+    ctx.body = { jobId, fileName, runTime, content } satisfies RunDetail
+  } catch (err: any) {
+    ctx.status = 500
+    ctx.body = { error: err.message }
+  }
+}