refactor(freshness): drop time-based stale-known status

The 2-minute timer + tick ref decayed verified to stale-known and rendered
a clock icon, but the user can always click the badge to re-check. Removing
the timer simplifies the hook and the badge has one fewer visual state.

src/components/NoteFreshnessBadge.vue

@@ -13,9 +13,6 @@ defineEmits<{ (e: "click"): void }>()
 const formatTime = (d: Date) =>
   d.toLocaleTimeString(undefined, { hour: "2-digit", minute: "2-digit" })
 
-const minutesAgo = (d: Date) =>
-  Math.max(1, Math.round((Date.now() - d.getTime()) / 60000))
-
 const label = computed(() => {
   switch (props.status) {
     case "verified":
@@ -24,10 +21,6 @@ const label = computed(() => {
       return "Checking…"
     case "outdated":
       return "Outdated"
-    case "stale-known":
-      return props.lastCheckedAt
-        ? `Checked ${minutesAgo(props.lastCheckedAt)}m ago`
-        : "Not checked"
     case "offline":
       return "Can’t reach GitHub"
     case "unknown":
@@ -44,8 +37,6 @@ const tooltip = computed(() => {
         : "Click to re-check."
     case "outdated":
       return "GitHub has a newer version. Click to pull latest."
-    case "stale-known":
-      return "Click to verify against GitHub."
     case "offline":
       return "Could not reach GitHub. Click to retry."
     case "checking":
@@ -88,14 +79,9 @@ const isBusy = computed(() => props.status === "checking")
       <path d="M15 19l2 2l4 -4" />
     </svg>
     <svg
-      v-else-if="status === 'unknown' || status === 'stale-known'"
+      v-else-if="status === 'unknown'"
       xmlns="http://www.w3.org/2000/svg"
-      class="icon icon-tabler"
+      class="icon icon-tabler icon-tabler-cloud-question"
-      :class="
-        status === 'stale-known'
-          ? 'icon-tabler-clock'
-          : 'icon-tabler-cloud-question'
-      "
       width="20"
       height="20"
       viewBox="0 0 24 24"
@@ -105,19 +91,13 @@ const isBusy = computed(() => props.status === "checking")
       stroke-linecap="round"
       stroke-linejoin="round"
     >
-      <template v-if="status === 'stale-known'">
+      <path
-        <path d="M3 12a9 9 0 1 0 18 0a9 9 0 0 0 -18 0" />
+        d="M14.5 18.004h-7.843c-2.572 -.004 -4.657 -2.011 -4.657 -4.487c0 -2.475 2.085 -4.482 4.657 -4.482c.393 -1.762 1.794 -3.2 3.675 -3.773c1.88 -.572 3.956 -.193 5.444 1c1.488 1.19 2.162 3.007 1.77 4.769h.99"
-        <path d="M12 7v5l3 3" />
+      />
-      </template>
+      <path d="M19 22v.01" />
-      <template v-else>
+      <path
-        <path
+        d="M19 19a2.003 2.003 0 0 0 .914 -3.782a1.98 1.98 0 0 0 -2.414 .483"
-          d="M14.5 18.004h-7.843c-2.572 -.004 -4.657 -2.011 -4.657 -4.487c0 -2.475 2.085 -4.482 4.657 -4.482c.393 -1.762 1.794 -3.2 3.675 -3.773c1.88 -.572 3.956 -.193 5.444 1c1.488 1.19 2.162 3.007 1.77 4.769h.99"
+      />
-        />
-        <path d="M19 22v.01" />
-        <path
-          d="M19 19a2.003 2.003 0 0 0 .914 -3.782a1.98 1.98 0 0 0 -2.414 .483"
-        />
-      </template>
     </svg>
     <svg
       v-else-if="status === 'outdated'"
@@ -212,7 +192,6 @@ const isBusy = computed(() => props.status === "checking")
 }
 
 .state-unknown,
-.state-stale-known,
 .state-checking {
   color: var(--color-base-content);
   opacity: 0.6;

src/hooks/useNoteFreshness.hook.ts

@@ -1,4 +1,4 @@
-import { computed, Ref, ref } from "vue"
+import { Ref, ref } from "vue"
 
 import { useGitHubContent } from "@/hooks/useGitHubContent.hook"
 import { markdownBuilder } from "@/hooks/useMarkdown.hook"
@@ -10,12 +10,9 @@ export type FreshnessStatus =
   | "unknown"
   | "checking"
   | "verified"
-  | "stale-known"
   | "outdated"
   | "offline"
 
-const STALE_AFTER_MS = 2 * 60 * 1000
-
 export const useNoteFreshness = ({
   user,
   repo,
@@ -32,54 +29,36 @@ export const useNoteFreshness = ({
   const store = useUserRepoStore()
   const { fetchLatestSha } = useGitHubContent({ user, repo })
 
-  const rawStatus = ref<FreshnessStatus>("unknown")
+  const status = ref<FreshnessStatus>("unknown")
   const lastCheckedAt = ref<Date | null>(null)
   const latestSha = ref<string | null>(null)
-  const tick = ref(0)
-  let staleTimer: ReturnType<typeof setTimeout> | null = null
-
-  const status = computed<FreshnessStatus>(() => {
-    void tick.value
-    if (rawStatus.value !== "verified") return rawStatus.value
-    if (!lastCheckedAt.value) return rawStatus.value
-    const age = Date.now() - lastCheckedAt.value.getTime()
-    return age > STALE_AFTER_MS ? "stale-known" : "verified"
-  })
-
-  const armStaleTimer = () => {
-    if (staleTimer) clearTimeout(staleTimer)
-    staleTimer = setTimeout(() => {
-      tick.value++
-    }, STALE_AFTER_MS + 100)
-  }
 
   const expectedSha = async () => (await getEditedSha()) ?? sha.value
 
   const check = async () => {
     if (!path.value) return
-    rawStatus.value = "checking"
+    status.value = "checking"
     const remoteSha = await fetchLatestSha(path.value)
     if (remoteSha === null) {
-      rawStatus.value = "offline"
+      status.value = "offline"
       return
     }
     latestSha.value = remoteSha
     lastCheckedAt.value = new Date()
     const local = await expectedSha()
-    rawStatus.value = remoteSha === local ? "verified" : "outdated"
+    status.value = remoteSha === local ? "verified" : "outdated"
-    armStaleTimer()
   }
 
   const pullLatest = async (): Promise<string | null> => {
     if (!path.value) return null
     const remoteSha = latestSha.value ?? (await fetchLatestSha(path.value))
     if (!remoteSha) {
-      rawStatus.value = "offline"
+      status.value = "offline"
       return null
     }
     const fileContent = await queryFileContent(user, repo, remoteSha)
     if (!fileContent) {
-      rawStatus.value = "offline"
+      status.value = "offline"
       return null
     }
     const { saveCacheNote } = prepareNoteCache(sha.value, path.value)
@@ -90,8 +69,7 @@ export const useNoteFreshness = ({
     store.addFile({ path: path.value, sha: remoteSha })
     latestSha.value = remoteSha
     lastCheckedAt.value = new Date()
-    rawStatus.value = "verified"
+    status.value = "verified"
-    armStaleTimer()
     const { getRawContent } = markdownBuilder(sha.value)
     return getRawContent(fileContent)
   }