Fix panic in TUI backup manager verify when logger is nil

- Add nil checks before logger calls in diagnose.go (8 places)
- Add nil checks before logger calls in safety.go (2 places)
- Fixes crash when pressing 'v' to verify backup in interactive menu

README.md

@@ -56,7 +56,7 @@ Download from [releases](https://git.uuxo.net/UUXO/dbbackup/releases):
 
 ```bash
 # Linux x86_64
-wget https://git.uuxo.net/UUXO/dbbackup/releases/download/v3.42.1/dbbackup-linux-amd64
+wget https://git.uuxo.net/UUXO/dbbackup/releases/download/v3.42.35/dbbackup-linux-amd64
 chmod +x dbbackup-linux-amd64
 sudo mv dbbackup-linux-amd64 /usr/local/bin/dbbackup
 ```

bin/README.md

@@ -3,9 +3,9 @@
 This directory contains pre-compiled binaries for the DB Backup Tool across multiple platforms and architectures.
 
 ## Build Information
-- **Version**: 3.42.33
+- **Version**: 3.42.34
-- **Build Time**: 2026-01-14_15:19:48_UTC
+- **Build Time**: 2026-01-14_16:06:08_UTC
-- **Git Commit**: 4e09066
+- **Git Commit**: ba6e8a2
 
 ## Recent Updates (v1.1.0)
 - ✅ Fixed TUI progress display with line-by-line output

internal/restore/diagnose.go

@@ -368,7 +368,7 @@ func (d *Diagnoser) diagnoseSQLScript(filePath string, compressed bool, result *
 		}
 
 		// Store last line for termination check
-		if lineNumber > 0 && (lineNumber%100000 == 0) && d.verbose {
+		if lineNumber > 0 && (lineNumber%100000 == 0) && d.verbose && d.log != nil {
 			d.log.Debug("Scanning SQL file", "lines_processed", lineNumber)
 		}
 	}
@@ -430,9 +430,11 @@ func (d *Diagnoser) diagnoseClusterArchive(filePath string, result *DiagnoseResu
 		}
 	}
 
+	if d.log != nil {
 		d.log.Info("Verifying cluster archive integrity",
 			"size", fmt.Sprintf("%.1f GB", float64(result.FileSize)/(1024*1024*1024)),
 			"timeout", fmt.Sprintf("%d min", timeoutMinutes))
+	}
 
 	ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutMinutes)*time.Minute)
 	defer cancel()
@@ -561,7 +563,7 @@ func (d *Diagnoser) diagnoseClusterArchive(filePath string, result *DiagnoseResu
 	}
 
 	// For verbose mode, diagnose individual dumps inside the archive
-	if d.verbose && len(dumpFiles) > 0 {
+	if d.verbose && len(dumpFiles) > 0 && d.log != nil {
 		d.log.Info("Cluster archive contains databases", "count", len(dumpFiles))
 		for _, df := range dumpFiles {
 			d.log.Info("  - " + df)
@@ -684,9 +686,11 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 		}
 	}
 
+	if d.log != nil {
 		d.log.Info("Listing cluster archive contents",
 			"size", fmt.Sprintf("%.1f GB", float64(archiveInfo.Size())/(1024*1024*1024)),
 			"timeout", fmt.Sprintf("%d min", timeoutMinutes))
+	}
 
 	listCtx, listCancel := context.WithTimeout(context.Background(), time.Duration(timeoutMinutes)*time.Minute)
 	defer listCancel()
@@ -766,7 +770,9 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 		return []*DiagnoseResult{errResult}, nil
 	}
 
+	if d.log != nil {
 		d.log.Debug("Archive listing streamed successfully", "total_files", fileCount, "relevant_files", len(files))
+	}
 
 	// Check if we have enough disk space (estimate 4x archive size needed)
 	// archiveInfo already obtained at function start
@@ -781,7 +787,9 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 		testCancel()
 	}
 
+	if d.log != nil {
 		d.log.Info("Archive listing successful", "files", len(files))
+	}
 
 	// Try full extraction - NO TIMEOUT here as large archives can take a long time
 	// Use a generous timeout (30 minutes) for very large archives
@@ -870,11 +878,15 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 		}
 
 		dumpPath := filepath.Join(dumpsDir, name)
+		if d.log != nil {
 			d.log.Info("Diagnosing dump file", "file", name)
+		}
 
 		result, err := d.DiagnoseFile(dumpPath)
 		if err != nil {
+			if d.log != nil {
 				d.log.Warn("Failed to diagnose file", "file", name, "error", err)
+			}
 			continue
 		}
 		results = append(results, result)

internal/restore/safety.go

@@ -255,7 +255,9 @@ func (s *Safety) CheckDiskSpaceAt(archivePath string, checkDir string, multiplie
 	// Get available disk space
 	availableSpace, err := getDiskSpace(checkDir)
 	if err != nil {
+		if s.log != nil {
 			s.log.Warn("Cannot check disk space", "error", err)
+		}
 		return nil // Don't fail if we can't check
 	}
 
@@ -278,10 +280,12 @@ func (s *Safety) CheckDiskSpaceAt(archivePath string, checkDir string, multiplie
 			checkDir)
 	}
 
+	if s.log != nil {
 		s.log.Info("Disk space check passed",
 			"location", checkDir,
 			"required", FormatBytes(requiredSpace),
 			"available", FormatBytes(availableSpace))
+	}
 
 	return nil
 }

internal/tui/archive_browser.go

@@ -251,13 +251,13 @@ func (m ArchiveBrowserModel) View() string {
 	var s strings.Builder
 
 	// Header
-	title := "[PKG] Backup Archives"
+	title := "[SELECT] Backup Archives"
 	if m.mode == "restore-single" {
-		title = "[PKG] Select Archive to Restore (Single Database)"
+		title = "[SELECT] Select Archive to Restore (Single Database)"
 	} else if m.mode == "restore-cluster" {
-		title = "[PKG] Select Archive to Restore (Cluster)"
+		title = "[SELECT] Select Archive to Restore (Cluster)"
 	} else if m.mode == "diagnose" {
-		title = "[SEARCH] Select Archive to Diagnose"
+		title = "[SELECT] Select Archive to Diagnose"
 	}
 
 	s.WriteString(titleStyle.Render(title))

internal/tui/backup_manager.go

@@ -230,7 +230,7 @@ func (m BackupManagerModel) View() string {
 	var s strings.Builder
 
 	// Title
-	s.WriteString(TitleStyle.Render("[DB]  Backup Archive Manager"))
+	s.WriteString(TitleStyle.Render("[SELECT] Backup Archive Manager"))
 	s.WriteString("\n\n")
 
 	// Status line (no box, bold+color accents)

internal/tui/diagnose_view.go

@@ -160,7 +160,7 @@ func (m DiagnoseViewModel) View() string {
 	var s strings.Builder
 
 	// Header
-	s.WriteString(titleStyle.Render("[SEARCH] Backup Diagnosis"))
+	s.WriteString(titleStyle.Render("[CHECK] Backup Diagnosis"))
 	s.WriteString("\n\n")
 
 	// Archive info
@@ -204,132 +204,111 @@ func (m DiagnoseViewModel) View() string {
 func (m DiagnoseViewModel) renderSingleResult(result *restore.DiagnoseResult) string {
 	var s strings.Builder
 
-	// Status Box
+	// Validation Status
-	s.WriteString("+--[ VALIDATION STATUS ]" + strings.Repeat("-", 37) + "+\n")
+	s.WriteString(diagnoseHeaderStyle.Render("[STATUS] Validation"))
+	s.WriteString("\n")
 
 	if result.IsValid {
-		s.WriteString("|  " + diagnosePassStyle.Render("[OK] VALID - Archive passed all checks") + strings.Repeat(" ", 18) + "|\n")
+		s.WriteString(diagnosePassStyle.Render("  [OK] VALID - Archive passed all checks"))
+		s.WriteString("\n")
 	} else {
-		s.WriteString("|  " + diagnoseFailStyle.Render("[FAIL] INVALID - Archive has problems") + strings.Repeat(" ", 19) + "|\n")
+		s.WriteString(diagnoseFailStyle.Render("  [FAIL] INVALID - Archive has problems"))
+		s.WriteString("\n")
 	}
 
 	if result.IsTruncated {
-		s.WriteString("|  " + diagnoseFailStyle.Render("[!] TRUNCATED - File is incomplete") + strings.Repeat(" ", 22) + "|\n")
+		s.WriteString(diagnoseFailStyle.Render("  [!] TRUNCATED - File is incomplete"))
+		s.WriteString("\n")
 	}
 
 	if result.IsCorrupted {
-		s.WriteString("|  " + diagnoseFailStyle.Render("[!] CORRUPTED - File structure damaged") + strings.Repeat(" ", 18) + "|\n")
+		s.WriteString(diagnoseFailStyle.Render("  [!] CORRUPTED - File structure damaged"))
+		s.WriteString("\n")
 	}
 
-	s.WriteString("+" + strings.Repeat("-", 60) + "+\n\n")
+	s.WriteString("\n")
 
-	// Details Box
+	// Details
 	if result.Details != nil {
-		s.WriteString("+--[ DETAILS ]" + strings.Repeat("-", 46) + "+\n")
+		s.WriteString(diagnoseHeaderStyle.Render("[INFO] Details"))
+		s.WriteString("\n")
 
 		if result.Details.HasPGDMPSignature {
-			s.WriteString("|  " + diagnosePassStyle.Render("[+]") + " PostgreSQL custom format (PGDMP)" + strings.Repeat(" ", 20) + "|\n")
+			s.WriteString(diagnosePassStyle.Render("  [+]") + " PostgreSQL custom format (PGDMP)\n")
 		}
 
 		if result.Details.HasSQLHeader {
-			s.WriteString("|  " + diagnosePassStyle.Render("[+]") + " PostgreSQL SQL header found" + strings.Repeat(" ", 25) + "|\n")
+			s.WriteString(diagnosePassStyle.Render("  [+]") + " PostgreSQL SQL header found\n")
 		}
 
 		if result.Details.GzipValid {
-			s.WriteString("|  " + diagnosePassStyle.Render("[+]") + " Gzip compression valid" + strings.Repeat(" ", 30) + "|\n")
+			s.WriteString(diagnosePassStyle.Render("  [+]") + " Gzip compression valid\n")
 		}
 
 		if result.Details.PgRestoreListable {
-			tableInfo := fmt.Sprintf(" (%d tables)", result.Details.TableCount)
+			s.WriteString(diagnosePassStyle.Render("  [+]") + fmt.Sprintf(" pg_restore can list contents (%d tables)\n", result.Details.TableCount))
-			padding := 36 - len(tableInfo)
-			if padding < 0 {
-				padding = 0
-			}
-			s.WriteString("|  " + diagnosePassStyle.Render("[+]") + " pg_restore can list contents" + tableInfo + strings.Repeat(" ", padding) + "|\n")
 		}
 
 		if result.Details.CopyBlockCount > 0 {
-			blockInfo := fmt.Sprintf("%d COPY blocks found", result.Details.CopyBlockCount)
+			s.WriteString(fmt.Sprintf("  [-] %d COPY blocks found\n", result.Details.CopyBlockCount))
-			padding := 50 - len(blockInfo)
-			if padding < 0 {
-				padding = 0
-			}
-			s.WriteString("|  [-] " + blockInfo + strings.Repeat(" ", padding) + "|\n")
 		}
 
 		if result.Details.UnterminatedCopy {
-			s.WriteString("|  " + diagnoseFailStyle.Render("[-]") + " Unterminated COPY: " + truncate(result.Details.LastCopyTable, 30) + strings.Repeat(" ", 5) + "|\n")
+			s.WriteString(diagnoseFailStyle.Render("  [-]") + " Unterminated COPY: " + truncate(result.Details.LastCopyTable, 30) + "\n")
 		}
 
 		if result.Details.ProperlyTerminated {
-			s.WriteString("|  " + diagnosePassStyle.Render("[+]") + " All COPY blocks properly terminated" + strings.Repeat(" ", 17) + "|\n")
+			s.WriteString(diagnosePassStyle.Render("  [+]") + " All COPY blocks properly terminated\n")
 		}
 
 		if result.Details.ExpandedSize > 0 {
-			sizeInfo := fmt.Sprintf("Expanded: %s (%.1fx)", formatSize(result.Details.ExpandedSize), result.Details.CompressionRatio)
+			s.WriteString(fmt.Sprintf("  [-] Expanded: %s (%.1fx)\n", formatSize(result.Details.ExpandedSize), result.Details.CompressionRatio))
-			padding := 50 - len(sizeInfo)
-			if padding < 0 {
-				padding = 0
-			}
-			s.WriteString("|  [-] " + sizeInfo + strings.Repeat(" ", padding) + "|\n")
 		}
 
-		s.WriteString("+" + strings.Repeat("-", 60) + "+\n")
+		s.WriteString("\n")
 	}
 
-	// Errors Box
+	// Errors
 	if len(result.Errors) > 0 {
-		s.WriteString("\n+--[ ERRORS ]" + strings.Repeat("-", 47) + "+\n")
+		s.WriteString(diagnoseFailStyle.Render("[FAIL] Errors"))
+		s.WriteString("\n")
 		for i, e := range result.Errors {
 			if i >= 5 {
-				remaining := fmt.Sprintf("... and %d more errors", len(result.Errors)-5)
+				s.WriteString(fmt.Sprintf("  ... and %d more errors\n", len(result.Errors)-5))
-				padding := 56 - len(remaining)
-				s.WriteString("|  " + remaining + strings.Repeat(" ", padding) + "|\n")
 				break
 			}
-			errText := truncate(e, 54)
+			s.WriteString("  " + truncate(e, 60) + "\n")
-			padding := 56 - len(errText)
-			if padding < 0 {
-				padding = 0
 		}
-			s.WriteString("|  " + errText + strings.Repeat(" ", padding) + "|\n")
+		s.WriteString("\n")
-		}
-		s.WriteString("+" + strings.Repeat("-", 60) + "+\n")
 	}
 
-	// Warnings Box
+	// Warnings
 	if len(result.Warnings) > 0 {
-		s.WriteString("\n+--[ WARNINGS ]" + strings.Repeat("-", 45) + "+\n")
+		s.WriteString(diagnoseWarnStyle.Render("[WARN] Warnings"))
+		s.WriteString("\n")
 		for i, w := range result.Warnings {
 			if i >= 3 {
-				remaining := fmt.Sprintf("... and %d more warnings", len(result.Warnings)-3)
+				s.WriteString(fmt.Sprintf("  ... and %d more warnings\n", len(result.Warnings)-3))
-				padding := 56 - len(remaining)
-				s.WriteString("|  " + remaining + strings.Repeat(" ", padding) + "|\n")
 				break
 			}
-			warnText := truncate(w, 54)
+			s.WriteString("  " + truncate(w, 60) + "\n")
-			padding := 56 - len(warnText)
-			if padding < 0 {
-				padding = 0
 		}
-			s.WriteString("|  " + warnText + strings.Repeat(" ", padding) + "|\n")
+		s.WriteString("\n")
-		}
-		s.WriteString("+" + strings.Repeat("-", 60) + "+\n")
 	}
 
-	// Recommendations Box
+	// Recommendations
 	if !result.IsValid {
-		s.WriteString("\n+--[ RECOMMENDATIONS ]" + strings.Repeat("-", 38) + "+\n")
+		s.WriteString(diagnoseInfoStyle.Render("[HINT] Recommendations"))
+		s.WriteString("\n")
 		if result.IsTruncated {
-			s.WriteString("|  1. Re-run backup with current version (v3.42.12+)    |\n")
+			s.WriteString("  1. Re-run backup with current version (v3.42+)\n")
-			s.WriteString("|  2. Check disk space on backup server                 |\n")
+			s.WriteString("  2. Check disk space on backup server\n")
-			s.WriteString("|  3. Verify network stability for remote backups       |\n")
+			s.WriteString("  3. Verify network stability for remote backups\n")
 		}
 		if result.IsCorrupted {
-			s.WriteString("|  1. Verify backup was transferred completely          |\n")
+			s.WriteString("  1. Verify backup was transferred completely\n")
-			s.WriteString("|  2. Try restoring from a previous backup              |\n")
+			s.WriteString("  2. Try restoring from a previous backup\n")
 		}
-		s.WriteString("+" + strings.Repeat("-", 60) + "+\n")
 	}
 
 	return s.String()
@@ -349,10 +328,8 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 		}
 	}
 
-	s.WriteString(strings.Repeat("-", 60))
 	s.WriteString("\n")
-	s.WriteString(diagnoseHeaderStyle.Render(fmt.Sprintf("[STATS] CLUSTER SUMMARY: %d databases\n", len(m.results))))
+	s.WriteString(diagnoseHeaderStyle.Render(fmt.Sprintf("[STATS] Cluster Summary: %d databases", len(m.results))))
-	s.WriteString(strings.Repeat("-", 60))
 	s.WriteString("\n\n")
 
 	if invalidCount == 0 {
@@ -364,7 +341,7 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 	}
 
 	// List all dumps with status
-	s.WriteString(diagnoseHeaderStyle.Render("Database Dumps:"))
+	s.WriteString(diagnoseHeaderStyle.Render("[LIST] Database Dumps"))
 	s.WriteString("\n")
 
 	// Show visible range based on cursor
@@ -413,9 +390,7 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 	if m.cursor < len(m.results) {
 		selected := m.results[m.cursor]
 		s.WriteString("\n")
-		s.WriteString(strings.Repeat("-", 60))
+		s.WriteString(diagnoseHeaderStyle.Render("[INFO] Selected: " + selected.FileName))
-		s.WriteString("\n")
-		s.WriteString(diagnoseHeaderStyle.Render("Selected: " + selected.FileName))
 		s.WriteString("\n\n")
 
 		// Show condensed details for selected

internal/tui/history.go

@@ -191,7 +191,7 @@ func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 func (m HistoryViewModel) View() string {
 	var s strings.Builder
 
-	header := titleStyle.Render("[HISTORY] Operation History")
+	header := titleStyle.Render("[STATS] Operation History")
 	s.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	if len(m.history) == 0 {

internal/tui/menu.go

@@ -285,7 +285,7 @@ func (m *MenuModel) View() string {
 	var s string
 
 	// Header
-	header := titleStyle.Render("[DB]  Database Backup Tool - Interactive Menu")
+	header := titleStyle.Render("Database Backup Tool - Interactive Menu")
 	s += fmt.Sprintf("\n%s\n\n", header)
 
 	if len(m.dbTypes) > 0 {
@@ -334,13 +334,13 @@ func (m *MenuModel) View() string {
 
 // handleSingleBackup opens database selector for single backup
 func (m *MenuModel) handleSingleBackup() (tea.Model, tea.Cmd) {
-	selector := NewDatabaseSelector(m.config, m.logger, m, m.ctx, "[DB]  Single Database Backup", "single")
+	selector := NewDatabaseSelector(m.config, m.logger, m, m.ctx, "[SELECT] Single Database Backup", "single")
 	return selector, selector.Init()
 }
 
 // handleSampleBackup opens database selector for sample backup
 func (m *MenuModel) handleSampleBackup() (tea.Model, tea.Cmd) {
-	selector := NewDatabaseSelector(m.config, m.logger, m, m.ctx, "[STATS] Sample Database Backup", "sample")
+	selector := NewDatabaseSelector(m.config, m.logger, m, m.ctx, "[SELECT] Sample Database Backup", "sample")
 	return selector, selector.Init()
 }
 
@@ -356,7 +356,7 @@ func (m *MenuModel) handleClusterBackup() (tea.Model, tea.Cmd) {
 		return executor, executor.Init()
 	}
 	confirm := NewConfirmationModelWithAction(m.config, m.logger, m,
-		"[DB]  Cluster Backup",
+		"[CHECK] Cluster Backup",
 		"This will backup ALL databases in the cluster. Continue?",
 		func() (tea.Model, tea.Cmd) {
 			executor := NewBackupExecution(m.config, m.logger, m, m.ctx, "cluster", "", 0)

internal/tui/restore_exec.go

@@ -321,9 +321,9 @@ func (m RestoreExecutionModel) View() string {
 	s.Grow(512) // Pre-allocate estimated capacity for better performance
 
 	// Title
-	title := "[RESTORE] Restoring Database"
+	title := "[EXEC] Restoring Database"
 	if m.restoreType == "restore-cluster" {
-		title = "[RESTORE] Restoring Cluster"
+		title = "[EXEC] Restoring Cluster"
 	}
 	s.WriteString(titleStyle.Render(title))
 	s.WriteString("\n\n")

internal/tui/restore_preview.go

@@ -339,9 +339,9 @@ func (m RestorePreviewModel) View() string {
 	var s strings.Builder
 
 	// Title
-	title := "Restore Preview"
+	title := "[CHECK] Restore Preview"
 	if m.mode == "restore-cluster" {
-		title = "Cluster Restore Preview"
+		title = "[CHECK] Cluster Restore Preview"
 	}
 	s.WriteString(titleStyle.Render(title))
 	s.WriteString("\n\n")

internal/tui/settings.go

@@ -688,7 +688,7 @@ func (m SettingsModel) View() string {
 	var b strings.Builder
 
 	// Header
-	header := titleStyle.Render("[CFG]  Configuration Settings")
+	header := titleStyle.Render("[CONFIG] Configuration Settings")
 	b.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	// Settings list
@@ -747,7 +747,7 @@ func (m SettingsModel) View() string {
 	// Current configuration summary
 	if !m.editing {
 		b.WriteString("\n")
-		b.WriteString(infoStyle.Render("[LOG] Current Configuration:"))
+		b.WriteString(infoStyle.Render("[INFO] Current Configuration"))
 		b.WriteString("\n")
 
 		summary := []string{

internal/tui/status.go

@@ -173,7 +173,7 @@ func (m StatusViewModel) View() string {
 		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Error: %v\n", m.err)))
 		s.WriteString("\n")
 	} else {
-		s.WriteString("Connection Status:\n")
+		s.WriteString("[CONN] Connection Status\n")
 		if m.connected {
 			s.WriteString(successStyle.Render("  [+] Connected\n"))
 		} else {
@@ -181,11 +181,12 @@ func (m StatusViewModel) View() string {
 		}
 		s.WriteString("\n")
 
-		s.WriteString(fmt.Sprintf("Database Type: %s (%s)\n", m.config.DisplayDatabaseType(), m.config.DatabaseType))
+		s.WriteString("[INFO] Server Details\n")
-		s.WriteString(fmt.Sprintf("Host: %s:%d\n", m.config.Host, m.config.Port))
+		s.WriteString(fmt.Sprintf("  Database Type: %s (%s)\n", m.config.DisplayDatabaseType(), m.config.DatabaseType))
-		s.WriteString(fmt.Sprintf("User: %s\n", m.config.User))
+		s.WriteString(fmt.Sprintf("  Host: %s:%d\n", m.config.Host, m.config.Port))
-		s.WriteString(fmt.Sprintf("Backup Directory: %s\n", m.config.BackupDir))
+		s.WriteString(fmt.Sprintf("  User: %s\n", m.config.User))
-		s.WriteString(fmt.Sprintf("Version: %s\n\n", m.dbVersion))
+		s.WriteString(fmt.Sprintf("  Backup Directory: %s\n", m.config.BackupDir))
+		s.WriteString(fmt.Sprintf("  Version: %s\n\n", m.dbVersion))
 
 		if m.dbCount > 0 {
 			s.WriteString(fmt.Sprintf("Databases Found: %s\n", successStyle.Render(fmt.Sprintf("%d", m.dbCount))))

internal/tui/styles.go

@@ -120,12 +120,36 @@ var ShortcutStyle = lipgloss.NewStyle().
 // =============================================================================
 // HELPER PREFIXES (no emoticons)
 // =============================================================================
+// Convention for TUI titles/headers:
+//   [CHECK]  - Verification/diagnosis screens
+//   [STATS]  - Statistics/status screens
+//   [SELECT] - Selection/browser screens
+//   [EXEC]   - Execution/running screens
+//   [CONFIG] - Configuration/settings screens
+//
+// Convention for status messages:
+//   [OK]     - Success
+//   [FAIL]   - Error/failure
+//   [WAIT]   - In progress
+//   [WARN]   - Warning
+//   [INFO]   - Information
 
 const (
+	// Title prefixes (for view headers)
+	PrefixCheck  = "[CHECK]"
+	PrefixStats  = "[STATS]"
+	PrefixSelect = "[SELECT]"
+	PrefixExec   = "[EXEC]"
+	PrefixConfig = "[CONFIG]"
+
+	// Status prefixes
 	PrefixOK   = "[OK]"
 	PrefixFail = "[FAIL]"
-	PrefixWarn    = "[!]"
+	PrefixWait = "[WAIT]"
-	PrefixInfo    = "[i]"
+	PrefixWarn = "[WARN]"
+	PrefixInfo = "[INFO]"
+
+	// List item prefixes
 	PrefixPlus    = "[+]"
 	PrefixMinus   = "[-]"
 	PrefixArrow   = ">"