feat(release): add dev prereleases and update notices

Publish bleeding-edge builds from dev to GitHub prereleases and npm dist-tag 'dev'. Dev builds poll GitHub prereleases and surface update availability via /api/meta for UI notifications.

packages/server/src/releases/dev-release-monitor.ts

@@ -0,0 +1,118 @@
+import { fetch } from "undici"
+import type { LatestReleaseInfo } from "../api-types"
+import type { Logger } from "../logger"
+import { compareVersionStrings, stripTagPrefix } from "./release-monitor"
+
+interface DevReleaseMonitorOptions {
+  /** Current running server version (from package.json). */
+  currentVersion: string
+  /** GitHub repo in the form "owner/name". */
+  repo: string
+  logger: Logger
+  onUpdate: (release: LatestReleaseInfo | null) => void
+  pollIntervalMs?: number
+}
+
+interface GithubReleaseListItem {
+  tag_name?: string
+  name?: string
+  html_url?: string
+  body?: string
+  published_at?: string
+  created_at?: string
+  prerelease?: boolean
+  draft?: boolean
+}
+
+export interface DevReleaseMonitor {
+  stop(): void
+}
+
+const DEFAULT_POLL_INTERVAL_MS = 15 * 60 * 1000
+
+export function startDevReleaseMonitor(options: DevReleaseMonitorOptions): DevReleaseMonitor {
+  let stopped = false
+  let timer: ReturnType<typeof setInterval> | null = null
+
+  const pollIntervalMs =
+    Number.isFinite(options.pollIntervalMs) && (options.pollIntervalMs ?? 0) > 0
+      ? (options.pollIntervalMs as number)
+      : DEFAULT_POLL_INTERVAL_MS
+
+  const refresh = async () => {
+    if (stopped) return
+    try {
+      const release = await fetchLatestPrerelease({
+        repo: options.repo,
+        currentVersion: options.currentVersion,
+      })
+      options.onUpdate(release)
+    } catch (error) {
+      options.logger.debug({ err: error }, "Failed to refresh dev prerelease information")
+    }
+  }
+
+  void refresh()
+  timer = setInterval(() => void refresh(), pollIntervalMs)
+
+  return {
+    stop() {
+      stopped = true
+      if (timer) {
+        clearInterval(timer)
+        timer = null
+      }
+    },
+  }
+}
+
+async function fetchLatestPrerelease(args: {
+  repo: string
+  currentVersion: string
+}): Promise<LatestReleaseInfo | null> {
+  const normalizedRepo = args.repo.trim()
+  if (!/^[^/\s]+\/[^/\s]+$/.test(normalizedRepo)) {
+    throw new Error(`Invalid GitHub repo: ${args.repo}`)
+  }
+
+  const apiUrl = `https://api.github.com/repos/${normalizedRepo}/releases?per_page=20`
+  const response = await fetch(apiUrl, {
+    headers: {
+      Accept: "application/vnd.github+json",
+      "User-Agent": "CodeNomad-CLI",
+    },
+  })
+
+  if (!response.ok) {
+    throw new Error(`GitHub releases API responded with ${response.status}`)
+  }
+
+  const list = (await response.json()) as GithubReleaseListItem[]
+  const latest = list.find((r) => r && r.prerelease === true && r.draft !== true)
+  if (!latest) {
+    return null
+  }
+
+  const tag = latest.tag_name || latest.name
+  if (!tag) {
+    return null
+  }
+
+  const normalizedVersion = stripTagPrefix(tag)
+  if (!normalizedVersion) {
+    return null
+  }
+
+  if (compareVersionStrings(normalizedVersion, args.currentVersion) <= 0) {
+    return null
+  }
+
+  return {
+    version: normalizedVersion,
+    tag,
+    url: latest.html_url ?? `https://github.com/${normalizedRepo}/releases/tag/${encodeURIComponent(tag)}`,
+    channel: "dev",
+    publishedAt: latest.published_at ?? latest.created_at,
+    notes: latest.body,
+  }
+}

packages/server/src/releases/release-monitor.ts

@@ -52,6 +52,12 @@ export function startReleaseMonitor(options: ReleaseMonitorOptions): ReleaseMoni
   }
 }
 
+export function compareVersionStrings(a: string, b: string): number {
+  const left = parseVersion(a)
+  const right = parseVersion(b)
+  return compareVersions(left, right)
+}
+
 async function fetchLatestRelease(options: ReleaseMonitorOptions): Promise<LatestReleaseInfo | null> {
   const response = await fetch(RELEASES_API_URL, {
     headers: {
@@ -92,7 +98,7 @@ async function fetchLatestRelease(options: ReleaseMonitorOptions): Promise<Lates
   }
 }
 
-function stripTagPrefix(tag: string | undefined): string | null {
+export function stripTagPrefix(tag: string | undefined): string | null {
   if (!tag) return null
   const trimmed = tag.trim()
   if (!trimmed) return null