buzz listener: instant emoji receipt (kind 7) + kind 20002 working indicator on every message

buzz/ws-listener/listener-raw.mjs

@@ -13,8 +13,8 @@ import { execFileSync } from 'node:child_process'
 
 const RELAY = 'wss://ch4t.buzz'
 const ME = '4abe5fcdf9695be34bdfc8fe82297aaaf0cf65b5ca92b6c789f6f8783b5ee197'
-const DM_CHANNEL = '4113fff6-f288-46af-927e-094b5a8386f2'
 const INBOX = '/home/opc/.buzz-inbox'
+const REACTED = '/home/opc/.buzz-reacted'
 const STATE = '/home/opc/.buzz-last-seen'
 const MAX_LIFETIME = 120 * 1000   // reconnect every 2 min: replays since lastSeen (zombie-socket proof)
 
@@ -32,6 +32,32 @@ function saveLastSeen(ts) {
 
 const ws = new WebSocket(RELAY)
 const seen = new Set()
+const typingIntervals = new Map()   // channel -> interval publishing kind 20002
+const TYPING_PUBLISH_MS = 3000
+const TYPING_MAX_MS = 120 * 1000    // hard stop: never type longer than this
+
+function startTyping(ch) {
+  stopTyping(ch)  // reset both the interval and the max-duration timer
+  const publish = () => {
+    try {
+      const ev = finalizeEvent(
+        { kind: 20002, created_at: Math.floor(Date.now() / 1000), tags: [['h', ch]], content: '' },
+        SK
+      )
+      ws.send(JSON.stringify(['EVENT', ev]))
+    } catch {}
+  }
+  publish()
+  typingIntervals.set(ch, {
+    iv: setInterval(publish, TYPING_PUBLISH_MS),
+    max: setTimeout(() => stopTyping(ch), TYPING_MAX_MS),
+  })
+  console.error('typing indicator on:', ch.slice(0, 8))
+}
+function stopTyping(ch) {
+  const t = typingIntervals.get(ch)
+  if (t) { clearInterval(t.iv); clearTimeout(t.max); typingIntervals.delete(ch) }
+}
 let authEventId = null
 let subscribed = false
 
@@ -74,19 +100,36 @@ ws.onmessage = (msg) => {
   if (type === 'NOTICE') { console.error('NOTICE:', rest[0]); return }
   if (type === 'EVENT') {
     const evt = rest[1]
-    if (!evt || evt.pubkey === ME || seen.has(evt.id)) return
+    if (!evt) return
+    if (evt.pubkey === ME) {
+      const chTag = (evt.tags.find((t) => t[0] === 'h') || [])[1]
+      if (chTag) stopTyping(chTag)
+      return
+    }
+    if (seen.has(evt.id)) return
     seen.add(evt.id)
     saveLastSeen(evt.created_at + 1)
     fs.appendFileSync(INBOX, JSON.stringify(evt) + '\n')
     console.error('message received from', evt.pubkey.slice(0, 10))
-    // Instant DM receipt: the sender should never wonder if we're alive.
-    const chTag = (evt.tags.find((t) => t[0] === 'h') || [])[1] || ''
-    if (chTag === DM_CHANNEL) {
+    const inCh = (evt.tags.find((t) => t[0] === 'h') || [])[1]
+    if (inCh) startTyping(inCh)
+    // Instant receipt: emoji reaction (NIP-25 kind 7) on the sender's message,
+    // so the sender always sees that zai is alive — before any LLM work starts.
+    let reacted = false
+    try { reacted = fs.readFileSync(REACTED, 'utf8').split('\n').includes(evt.id) } catch {}
+    if (!reacted) {
       try {
-        execFileSync(BUZZ_CLI, ['messages', 'send', '--channel', chTag, '--reply-to', evt.id, '--content', '✓ received — will respond in a moment'], { timeout: 15000, stdio: 'ignore' })
-      } catch {}
+        execFileSync(BUZZ_CLI, ['reactions', 'add', '--event', evt.id, '--emoji', '👀'], {
+          env: { ...process.env, BUZZ_RELAY_URL: 'https://ch4t.buzz', BUZZ_PRIVATE_KEY: keyText.match(/SECRET:\s*(\S+)/)[1] },
+          stdio: 'ignore',
+          timeout: 15000,
+        })
+        fs.appendFileSync(REACTED, evt.id + '\n')
+        console.error('👀 receipt sent')
+      } catch (e) {
+        console.error('reaction failed:', String(e).slice(0, 100))
+      }
     }
-    process.exit(0)
   }
   if (type === 'EOSE') console.error('EOSE — live')
 }