feat: flash terminal background on focus and fix active tag alignment

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/data/monitor.ts

@@ -157,12 +157,7 @@ return false`
     const focused = out.trim() === "true"
 
     if (focused) {
-      const ttys = getSessionTtys(projectPath)
-      for (const tty of ttys) {
-        try {
-          await Bun.write(tty, "\x07")
-        } catch {}
-      }
+      flashTerminalByTty(tty)
     }
 
     return focused
@@ -171,6 +166,30 @@ return false`
   }
 }
 
+function flashTerminalByTty(tty: string): void {
+  const script = `
+tell application "Terminal"
+  repeat with w in windows
+    repeat with t in tabs of w
+      if tty of t is "${tty}" then
+        set origBg to background color of t
+        repeat 3 times
+          set background color of t to {12000, 12000, 28000}
+          delay 0.12
+          set background color of t to origBg
+          delay 0.12
+        end repeat
+        return
+      end if
+    end repeat
+  end repeat
+end tell`
+  Bun.spawn(["osascript", "-e", script], {
+    stdout: "ignore",
+    stderr: "ignore",
+  })
+}
+
 export function updateProjectSessions(projects: Project[], sessions: Map<string, number>): boolean {
   let changed = false
   for (const project of projects) {

src/index.ts

@@ -125,15 +125,15 @@ function fmtProjectRow(project: Project, isSelected: boolean) {
   if (project.activeSessions > 0) {
     if (project.busySessions > 0) {
       activeDot = green("●")
-      activeTag = project.activeSessions > 1 ? yellow(String(project.activeSessions)) : " "
+      activeTag = project.activeSessions > 1 ? yellow(String(project.activeSessions).padEnd(2)) : "  "
     } else {
       activeDot = yellow("◉")
       const elapsed = elapsedCompact(project.lastActivityMs)
-      activeTag = elapsed ? dim(elapsed.padEnd(2).slice(0, 2)) : " "
+      activeTag = elapsed ? dim(elapsed.padEnd(2).slice(0, 2)) : "  "
     }
   } else {
     activeDot = dim("○")
-    activeTag = " "
+    activeTag = "  "
   }
   const check = isSelected ? green("✓") : " "
   const arrow = project.expanded ? "▼" : "▶"