Fix summary extraction and add terminal title

- Scan entire JSONL file for summaries (not just last 100 entries)
- Set terminal tab title with status summary (e.g., "CSM: 2 needs input, 1 working")
- Reset terminal title on exit

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: yepzdk

internal/session/session.go

@@ -246,8 +246,8 @@ func parseSession(projectName, logFile string, runningDirs map[string]bool) (Ses
 		return session, nil
 	}
 
-	// Extract summary from entries
-	session.Summary = extractSummary(entries)
+	// Extract summary from the log file (scans entire file)
+	session.Summary = extractSummary(logFile)
 
 	// Determine status from log entries
 	session.Status, session.Task = determineStatus(entries, isRunning)
@@ -263,15 +263,42 @@ func parseSession(projectName, logFile string, runningDirs map[string]bool) (Ses
 	return session, nil
 }
 
-// extractSummary finds the most recent summary entry
-func extractSummary(entries []LogEntry) string {
-	// Look for the most recent summary entry
-	for i := len(entries) - 1; i >= 0; i-- {
-		if entries[i].Type == "summary" && entries[i].Summary != "" {
-			return entries[i].Summary
+// extractSummary reads the entire file to find the most recent summary entry
+// Summaries are typically at the beginning of the file, so we need to scan it all
+func extractSummary(logFile string) string {
+	file, err := os.Open(logFile)
+	if err != nil {
+		return ""
+	}
+	defer file.Close()
+
+	var lastSummary string
+	scanner := bufio.NewScanner(file)
+	buf := make([]byte, 0, 64*1024)
+	scanner.Buffer(buf, 1024*1024)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		if line == "" {
+			continue
+		}
+
+		// Quick check before full JSON parse
+		if !strings.Contains(line, `"type":"summary"`) {
+			continue
+		}
+
+		var entry LogEntry
+		if err := json.Unmarshal([]byte(line), &entry); err != nil {
+			continue
+		}
+
+		if entry.Type == "summary" && entry.Summary != "" {
+			lastSummary = entry.Summary
 		}
 	}
-	return ""
+
+	return lastSummary
 }
 
 // decodeProjectName converts the directory name to a readable project name

internal/ui/ui.go

@@ -69,6 +69,9 @@ func RenderJSON(sessions []session.Session) error {
 
 // RenderLive renders the live dashboard view
 func RenderLive(sessions []session.Session) {
+	// Set terminal title with status summary
+	SetTerminalTitle(buildTerminalTitle(sessions))
+
 	// Clear screen and move cursor to top
 	fmt.Print("\033[2J\033[H")
 
@@ -136,6 +139,48 @@ func ShowCursor() {
 	fmt.Print("\033[?25h")
 }
 
+// SetTerminalTitle sets the terminal tab/window title
+func SetTerminalTitle(title string) {
+	fmt.Printf("\033]0;%s\007", title)
+}
+
+// ResetTerminalTitle resets the terminal title to default
+func ResetTerminalTitle() {
+	fmt.Print("\033]0;\007")
+}
+
+// buildTerminalTitle creates a status summary for the terminal title
+func buildTerminalTitle(sessions []session.Session) string {
+	counts := make(map[session.Status]int)
+	for _, s := range sessions {
+		if s.Status != session.StatusInactive {
+			counts[s.Status]++
+		}
+	}
+
+	// Priority: Needs Input > Working > Waiting > Idle
+	var parts []string
+
+	if n := counts[session.StatusNeedsInput]; n > 0 {
+		parts = append(parts, fmt.Sprintf("%d needs input", n))
+	}
+	if n := counts[session.StatusWorking]; n > 0 {
+		parts = append(parts, fmt.Sprintf("%d working", n))
+	}
+	if n := counts[session.StatusWaiting]; n > 0 {
+		parts = append(parts, fmt.Sprintf("%d waiting", n))
+	}
+	if n := counts[session.StatusIdle]; n > 0 {
+		parts = append(parts, fmt.Sprintf("%d idle", n))
+	}
+
+	if len(parts) == 0 {
+		return "CSM: no active sessions"
+	}
+
+	return "CSM: " + strings.Join(parts, ", ")
+}
+
 // getStatusDisplay returns the symbol and color for a status
 func getStatusDisplay(status session.Status) (string, string) {
 	switch status {

main.go

@@ -68,6 +68,7 @@ func runLiveView(interval time.Duration) {
 	ui.HideCursor()
 	defer func() {
 		ui.ShowCursor()
+		ui.ResetTerminalTitle()
 		ui.ClearScreen()
 		fmt.Println("Goodbye!")
 	}()