fix: lifecycle ribbon always visible at bottom, slides up on hover/focus

frontend/src/pages/TranscriptDebugPage.vue

@@ -7,6 +7,7 @@ import { useSessionState } from '@/stores/session-state'
 import { ChatContainer, AquaticBackground, AgentBadge, NewSessionModal } from '@/components/transcript-debug'
 import type { AgentName } from '@/types/transcript-debug'
 import { isTauri, isMobileTauri, getTauriWindow } from '@/lib/tauri'
+import { usePipWindow } from '@/composables/usePipWindow'
 
 const route = useRoute()
 const router = useRouter()
@@ -163,7 +164,12 @@ watch(() => sessionState.terminalRegistry.length, () => {
 })
 
 const isAndroid = isMobileTauri()
-const pipOpen = ref(false)
+const { openPip, closePip, isPipOpen } = usePipWindow()
+
+const currentTerminalIndex = computed(() => {
+  return parseInt(route.params.terminalIndex as string) || 1
+})
+const pipOpen = computed(() => isPipOpen(currentTerminalIndex.value))
 
 async function closePipWindow() {
   try {
@@ -197,47 +203,16 @@ async function enterPip() {
     return
   }
 
-  // Desktop Tauri: toggle pip window
+  // Desktop Tauri: toggle pip window using shared composable
   if (!isTauri) return
+  const idx = currentTerminalIndex.value
+
   if (pipOpen.value) {
-    try {
-      const { WebviewWindow } = await import('@tauri-apps/api/webviewWindow')
-      const existing = await WebviewWindow.getByLabel('pip-terminal')
-      if (existing) await existing.close()
-    } catch {}
-    pipOpen.value = false
+    await closePip(idx)
     return
   }
 
-  try {
-    const { WebviewWindow } = await import('@tauri-apps/api/webviewWindow')
-
-    // Build the URL for the pip window — same transcript page with terminal index
-    const terminalIdx = route.params.terminalIndex || '1'
-    const pipUrl = `/transcript-debug/${terminalIdx}?pip=1`
-
-    const pip = new WebviewWindow('pip-terminal', {
-      url: pipUrl,
-      title: 'Agent UI',
-      width: 380,
-      height: 620,
-      x: window.screen.width - 400,
-      y: 60,
-      alwaysOnTop: false,
-      decorations: false,
-      resizable: true,
-      focus: true,
-    })
-
-    pipOpen.value = true
-
-    pip.onCloseRequested(() => {
-      pipOpen.value = false
-    })
-  } catch (e) {
-    console.warn('Failed to open PiP window:', e)
-    pipOpen.value = false
-  }
+  await openPip(idx)
 }
 
 onMounted(async () => {
@@ -755,18 +730,21 @@ onBeforeUnmount(() => {
   backdrop-filter: blur(8px) !important;
   -webkit-backdrop-filter: blur(8px) !important;
   border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
-  /* Auto-hide: fade out when idle */
-  opacity: 0;
-  transform: translateY(100%);
-  transition: opacity 0.3s ease, transform 0.3s ease;
+  /* Idle: slide down but keep lifecycle ribbon visible at bottom */
+  transform: translateY(calc(100% - 26px));
+  transition: transform 0.3s ease;
   pointer-events: none;
 }
 
+/* Lifecycle ribbon always interactive even when idle */
+.content-area :deep(.lifecycle-ribbon) {
+  pointer-events: auto !important;
+}
+
 /* Show on hover anywhere in the content area or when input is focused */
 .content-area:hover :deep(.bottom-overlay),
 .content-area:has(:focus-within) :deep(.bottom-overlay),
 .content-area :deep(.bottom-overlay:focus-within) {
-  opacity: 1;
   transform: translateY(0);
   pointer-events: auto;
 }
@@ -819,7 +797,6 @@ onBeforeUnmount(() => {
 /* Lifecycle ribbon */
 .content-area :deep(.lifecycle-ribbon) {
   background: transparent !important;
-  pointer-events: none !important;
 }
 
 /* Input container */