v3.42.11: Replace all Unicode emojis with ASCII text

- Replace all emoji characters with ASCII equivalents throughout codebase
- Replace Unicode box-drawing characters (═║╔╗╚╝━─) with ASCII (+|-=)
- Replace checkmarks (✓✗) with [OK]/[FAIL] markers
- 59 files updated, 741 lines changed
- Improves terminal compatibility and reduces visual noise

internal/auth/helper.go

@@ -204,13 +204,13 @@ func CheckAuthenticationMismatch(cfg *config.Config) (bool, string) {
 func buildAuthMismatchMessage(osUser, dbUser string, method AuthMethod) string {
 	var msg strings.Builder
 
-	msg.WriteString("\n⚠️  Authentication Mismatch Detected\n")
+	msg.WriteString("\n[WARN]  Authentication Mismatch Detected\n")
 	msg.WriteString(strings.Repeat("=", 60) + "\n\n")
 
 	msg.WriteString(fmt.Sprintf("   PostgreSQL is using '%s' authentication\n", method))
 	msg.WriteString(fmt.Sprintf("   OS user '%s' cannot authenticate as DB user '%s'\n\n", osUser, dbUser))
 
-	msg.WriteString("💡 Solutions (choose one):\n\n")
+	msg.WriteString("[TIP] Solutions (choose one):\n\n")
 
 	msg.WriteString(fmt.Sprintf("   1. Run as matching user:\n"))
 	msg.WriteString(fmt.Sprintf("      sudo -u %s %s\n\n", dbUser, getCommandLine()))
@@ -226,7 +226,7 @@ func buildAuthMismatchMessage(osUser, dbUser string, method AuthMethod) string {
 	msg.WriteString("   4. Provide password via flag:\n")
 	msg.WriteString(fmt.Sprintf("      %s --password your_password\n\n", getCommandLine()))
 
-	msg.WriteString("📝 Note: For production use, ~/.pgpass or PGPASSWORD are recommended\n")
+	msg.WriteString("[NOTE] Note: For production use, ~/.pgpass or PGPASSWORD are recommended\n")
 	msg.WriteString("         to avoid exposing passwords in command history.\n\n")
 
 	msg.WriteString(strings.Repeat("=", 60) + "\n")

internal/backup/engine.go

@@ -473,7 +473,7 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
 				mu.Lock()
 				e.printf("       Database size: %s\n", sizeStr)
 				if size > 10*1024*1024*1024 { // > 10GB
-					e.printf("       ⚠️  Large database detected - this may take a while\n")
+					e.printf("       [WARN]  Large database detected - this may take a while\n")
 				}
 				mu.Unlock()
 			}
@@ -518,16 +518,16 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
 			if err != nil {
 				e.log.Warn("Failed to backup database", "database", name, "error", err)
 				mu.Lock()
-				e.printf("   ⚠️  WARNING: Failed to backup %s: %v\n", name, err)
+				e.printf("   [WARN]  WARNING: Failed to backup %s: %v\n", name, err)
 				mu.Unlock()
 				atomic.AddInt32(&failCount, 1)
 			} else {
 				compressedCandidate := strings.TrimSuffix(dumpFile, ".dump") + ".sql.gz"
 				mu.Lock()
 				if info, err := os.Stat(compressedCandidate); err == nil {
-					e.printf("   ✅ Completed %s (%s)\n", name, formatBytes(info.Size()))
+					e.printf("   [OK] Completed %s (%s)\n", name, formatBytes(info.Size()))
 				} else if info, err := os.Stat(dumpFile); err == nil {
-					e.printf("   ✅ Completed %s (%s)\n", name, formatBytes(info.Size()))
+					e.printf("   [OK] Completed %s (%s)\n", name, formatBytes(info.Size()))
 				}
 				mu.Unlock()
 				atomic.AddInt32(&successCount, 1)

internal/backup/incremental_test.go

@@ -242,7 +242,7 @@ func TestIncrementalBackupRestore(t *testing.T) {
 		t.Errorf("Unchanged file base/12345/1235 not found in restore: %v", err)
 	}
 
-	t.Log("✅ Incremental backup and restore test completed successfully")
+	t.Log("[OK] Incremental backup and restore test completed successfully")
 }
 
 // TestIncrementalBackupErrors tests error handling

internal/checks/disk_check.go

@@ -75,16 +75,16 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 
 	if check.Critical {
 		status = "CRITICAL"
-		icon = "❌"
+		icon = "[X]"
 	} else if check.Warning {
 		status = "WARNING"
-		icon = "⚠️ "
+		icon = "[!]"
 	} else {
 		status = "OK"
-		icon = "✓"
+		icon = "[+]"
 	}
 
-	msg := fmt.Sprintf(`📊 Disk Space Check (%s):
+	msg := fmt.Sprintf(`[DISK] Disk Space Check (%s):
    Path: %s
    Total: %s
    Available: %s (%.1f%% used)
@@ -98,13 +98,13 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 		status)
 
 	if check.Critical {
-		msg += "\n   \n   ⚠️  CRITICAL: Insufficient disk space!"
+		msg += "\n   \n   [!!] CRITICAL: Insufficient disk space!"
 		msg += "\n   Operation blocked. Free up space before continuing."
 	} else if check.Warning {
-		msg += "\n   \n   ⚠️  WARNING: Low disk space!"
+		msg += "\n   \n   [!] WARNING: Low disk space!"
 		msg += "\n   Backup may fail if database is larger than estimated."
 	} else {
-		msg += "\n   \n   ✓ Sufficient space available"
+		msg += "\n   \n   [+] Sufficient space available"
 	}
 
 	return msg

internal/checks/disk_check_bsd.go

@@ -75,16 +75,16 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 
 	if check.Critical {
 		status = "CRITICAL"
-		icon = "❌"
+		icon = "[X]"
 	} else if check.Warning {
 		status = "WARNING"
-		icon = "⚠️ "
+		icon = "[!]"
 	} else {
 		status = "OK"
-		icon = "✓"
+		icon = "[+]"
 	}
 
-	msg := fmt.Sprintf(`📊 Disk Space Check (%s):
+	msg := fmt.Sprintf(`[DISK] Disk Space Check (%s):
    Path: %s
    Total: %s
    Available: %s (%.1f%% used)
@@ -98,13 +98,13 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 		status)
 
 	if check.Critical {
-		msg += "\n   \n   ⚠️  CRITICAL: Insufficient disk space!"
+		msg += "\n   \n   [!!] CRITICAL: Insufficient disk space!"
 		msg += "\n   Operation blocked. Free up space before continuing."
 	} else if check.Warning {
-		msg += "\n   \n   ⚠️  WARNING: Low disk space!"
+		msg += "\n   \n   [!] WARNING: Low disk space!"
 		msg += "\n   Backup may fail if database is larger than estimated."
 	} else {
-		msg += "\n   \n   ✓ Sufficient space available"
+		msg += "\n   \n   [+] Sufficient space available"
 	}
 
 	return msg

internal/checks/disk_check_netbsd.go

@@ -58,16 +58,16 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 
 	if check.Critical {
 		status = "CRITICAL"
-		icon = "❌"
+		icon = "[X]"
 	} else if check.Warning {
 		status = "WARNING"
-		icon = "⚠️ "
+		icon = "[!]"
 	} else {
 		status = "OK"
-		icon = "✓"
+		icon = "[+]"
 	}
 
-	msg := fmt.Sprintf(`📊 Disk Space Check (%s):
+	msg := fmt.Sprintf(`[DISK] Disk Space Check (%s):
    Path: %s
    Total: %s
    Available: %s (%.1f%% used)
@@ -81,13 +81,13 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 		status)
 
 	if check.Critical {
-		msg += "\n   \n   ⚠️  CRITICAL: Insufficient disk space!"
+		msg += "\n   \n   [!!] CRITICAL: Insufficient disk space!"
 		msg += "\n   Operation blocked. Free up space before continuing."
 	} else if check.Warning {
-		msg += "\n   \n   ⚠️  WARNING: Low disk space!"
+		msg += "\n   \n   [!] WARNING: Low disk space!"
 		msg += "\n   Backup may fail if database is larger than estimated."
 	} else {
-		msg += "\n   \n   ✓ Sufficient space available"
+		msg += "\n   \n   [+] Sufficient space available"
 	}
 
 	return msg

internal/checks/disk_check_windows.go

@@ -94,16 +94,16 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 
 	if check.Critical {
 		status = "CRITICAL"
-		icon = "❌"
+		icon = "[X]"
 	} else if check.Warning {
 		status = "WARNING"
-		icon = "⚠️ "
+		icon = "[!]"
 	} else {
 		status = "OK"
-		icon = "✓"
+		icon = "[+]"
 	}
 
-	msg := fmt.Sprintf(`📊 Disk Space Check (%s):
+	msg := fmt.Sprintf(`[DISK] Disk Space Check (%s):
    Path: %s
    Total: %s
    Available: %s (%.1f%% used)
@@ -117,13 +117,13 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
 		status)
 
 	if check.Critical {
-		msg += "\n   \n   ⚠️  CRITICAL: Insufficient disk space!"
+		msg += "\n   \n   [!!] CRITICAL: Insufficient disk space!"
 		msg += "\n   Operation blocked. Free up space before continuing."
 	} else if check.Warning {
-		msg += "\n   \n   ⚠️  WARNING: Low disk space!"
+		msg += "\n   \n   [!] WARNING: Low disk space!"
 		msg += "\n   Backup may fail if database is larger than estimated."
 	} else {
-		msg += "\n   \n   ✓ Sufficient space available"
+		msg += "\n   \n   [+] Sufficient space available"
 	}
 
 	return msg

internal/checks/error_hints.go

@@ -234,22 +234,22 @@ func FormatErrorWithHint(errorMsg string) string {
 	var icon string
 	switch classification.Type {
 	case "ignorable":
-		icon = "ℹ️ "
+		icon = "[i]"
 	case "warning":
-		icon = "⚠️ "
+		icon = "[!]"
 	case "critical":
-		icon = "❌"
+		icon = "[X]"
 	case "fatal":
-		icon = "🛑"
+		icon = "[!!]"
 	default:
-		icon = "⚠️ "
+		icon = "[!]"
 	}
 
 	output := fmt.Sprintf("%s %s Error\n\n", icon, strings.ToUpper(classification.Type))
 	output += fmt.Sprintf("Category: %s\n", classification.Category)
 	output += fmt.Sprintf("Message: %s\n\n", classification.Message)
-	output += fmt.Sprintf("💡 Hint: %s\n\n", classification.Hint)
-	output += fmt.Sprintf("🔧 Action: %s\n", classification.Action)
+	output += fmt.Sprintf("[HINT] Hint: %s\n\n", classification.Hint)
+	output += fmt.Sprintf("[ACTION] Action: %s\n", classification.Action)
 
 	return output
 }
@@ -257,7 +257,7 @@ func FormatErrorWithHint(errorMsg string) string {
 // FormatMultipleErrors formats multiple errors with classification
 func FormatMultipleErrors(errors []string) string {
 	if len(errors) == 0 {
-		return "✓ No errors"
+		return "[+] No errors"
 	}
 
 	ignorable := 0
@@ -285,22 +285,22 @@ func FormatMultipleErrors(errors []string) string {
 		}
 	}
 
-	output := "📊 Error Summary:\n\n"
+	output := "[SUMMARY] Error Summary:\n\n"
 	if ignorable > 0 {
-		output += fmt.Sprintf("   ℹ️  %d ignorable (objects already exist)\n", ignorable)
+		output += fmt.Sprintf("   [i] %d ignorable (objects already exist)\n", ignorable)
 	}
 	if warnings > 0 {
-		output += fmt.Sprintf("   ⚠️  %d warnings\n", warnings)
+		output += fmt.Sprintf("   [!] %d warnings\n", warnings)
 	}
 	if critical > 0 {
-		output += fmt.Sprintf("   ❌ %d critical errors\n", critical)
+		output += fmt.Sprintf("   [X] %d critical errors\n", critical)
 	}
 	if fatal > 0 {
-		output += fmt.Sprintf("   🛑 %d fatal errors\n", fatal)
+		output += fmt.Sprintf("   [!!] %d fatal errors\n", fatal)
 	}
 
 	if len(criticalErrors) > 0 {
-		output += "\n📝 Critical Issues:\n\n"
+		output += "\n[CRITICAL] Critical Issues:\n\n"
 		for i, err := range criticalErrors {
 			class := ClassifyError(err)
 			output += fmt.Sprintf("%d. %s\n", i+1, class.Hint)

internal/checks/preflight.go

@@ -49,15 +49,15 @@ func (s CheckStatus) String() string {
 func (s CheckStatus) Icon() string {
 	switch s {
 	case StatusPassed:
-		return "✓"
+		return "[+]"
 	case StatusWarning:
-		return "⚠"
+		return "[!]"
 	case StatusFailed:
-		return "✗"
+		return "[-]"
 	case StatusSkipped:
-		return "○"
+		return "[ ]"
 	default:
-		return "?"
+		return "[?]"
 	}
 }
 

internal/checks/report.go

@@ -11,9 +11,9 @@ func FormatPreflightReport(result *PreflightResult, dbName string, verbose bool)
 	var sb strings.Builder
 
 	sb.WriteString("\n")
-	sb.WriteString("╔══════════════════════════════════════════════════════════════╗\n")
-	sb.WriteString("║             [DRY RUN] Preflight Check Results                ║\n")
-	sb.WriteString("╚══════════════════════════════════════════════════════════════╝\n")
+	sb.WriteString("+==============================================================+\n")
+	sb.WriteString("|             [DRY RUN] Preflight Check Results                |\n")
+	sb.WriteString("+==============================================================+\n")
 	sb.WriteString("\n")
 
 	// Database info
@@ -29,7 +29,7 @@ func FormatPreflightReport(result *PreflightResult, dbName string, verbose bool)
 
 	// Check results
 	sb.WriteString("  Checks:\n")
-	sb.WriteString("  ─────────────────────────────────────────────────────────────\n")
+	sb.WriteString("  --------------------------------------------------------------\n")
 
 	for _, check := range result.Checks {
 		icon := check.Status.Icon()
@@ -40,26 +40,26 @@ func FormatPreflightReport(result *PreflightResult, dbName string, verbose bool)
 			color, icon, reset, check.Name+":", check.Message))
 
 		if verbose && check.Details != "" {
-			sb.WriteString(fmt.Sprintf("      └─ %s\n", check.Details))
+			sb.WriteString(fmt.Sprintf("      +- %s\n", check.Details))
 		}
 	}
 
-	sb.WriteString("  ─────────────────────────────────────────────────────────────\n")
+	sb.WriteString("  --------------------------------------------------------------\n")
 	sb.WriteString("\n")
 
 	// Summary
 	if result.AllPassed {
 		if result.HasWarnings {
-			sb.WriteString("  ⚠️  All checks passed with warnings\n")
+			sb.WriteString("  [!] All checks passed with warnings\n")
 			sb.WriteString("\n")
 			sb.WriteString("  Ready to backup. Remove --dry-run to execute.\n")
 		} else {
-			sb.WriteString("  ✅ All checks passed\n")
+			sb.WriteString("  [OK] All checks passed\n")
 			sb.WriteString("\n")
 			sb.WriteString("  Ready to backup. Remove --dry-run to execute.\n")
 		}
 	} else {
-		sb.WriteString(fmt.Sprintf("  ❌ %d check(s) failed\n", result.FailureCount))
+		sb.WriteString(fmt.Sprintf("  [FAIL] %d check(s) failed\n", result.FailureCount))
 		sb.WriteString("\n")
 		sb.WriteString("  Fix the issues above before running backup.\n")
 	}
@@ -96,7 +96,7 @@ func FormatPreflightReportPlain(result *PreflightResult, dbName string) string {
 		status := fmt.Sprintf("[%s]", check.Status.String())
 		sb.WriteString(fmt.Sprintf("  %-10s %-25s %s\n", status, check.Name+":", check.Message))
 		if check.Details != "" {
-			sb.WriteString(fmt.Sprintf("             └─ %s\n", check.Details))
+			sb.WriteString(fmt.Sprintf("             +- %s\n", check.Details))
 		}
 	}
 

internal/drill/drill.go

@@ -223,11 +223,11 @@ func (r *DrillResult) IsSuccess() bool {
 
 // Summary returns a human-readable summary of the drill
 func (r *DrillResult) Summary() string {
-	status := "✅ PASSED"
+	status := "[OK] PASSED"
 	if !r.Success {
-		status = "❌ FAILED"
+		status = "[FAIL] FAILED"
 	} else if r.Status == StatusPartial {
-		status = "⚠️ PARTIAL"
+		status = "[WARN] PARTIAL"
 	}
 
 	return fmt.Sprintf("%s - %s (%.2fs) - %d tables, %d rows",

internal/drill/engine.go

@@ -41,20 +41,20 @@ func (e *Engine) Run(ctx context.Context, config *DrillConfig) (*DrillResult, er
 		TargetRTO:    float64(config.MaxRestoreSeconds),
 	}
 
-	e.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
-	e.log.Info("  🧪 DR Drill: " + result.DrillID)
-	e.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	e.log.Info("=====================================================")
+	e.log.Info("  [TEST] DR Drill: " + result.DrillID)
+	e.log.Info("=====================================================")
 	e.log.Info("")
 
 	// Cleanup function for error cases
 	var containerID string
 	cleanup := func() {
 		if containerID != "" && config.CleanupOnExit && (result.Success || !config.KeepOnFailure) {
-			e.log.Info("🗑️  Cleaning up container...")
+			e.log.Info("[DEL]  Cleaning up container...")
 			e.docker.RemoveContainer(context.Background(), containerID)
 		} else if containerID != "" {
 			result.ContainerKept = true
-			e.log.Info("📦 Container kept for debugging: " + containerID)
+			e.log.Info("[PKG] Container kept for debugging: " + containerID)
 		}
 	}
 	defer cleanup()
@@ -88,7 +88,7 @@ func (e *Engine) Run(ctx context.Context, config *DrillConfig) (*DrillResult, er
 	}
 	containerID = container.ID
 	result.ContainerID = containerID
-	e.log.Info("📦 Container started: " + containerID[:12])
+	e.log.Info("[PKG] Container started: " + containerID[:12])
 
 	// Wait for container to be healthy
 	if err := e.docker.WaitForHealth(ctx, containerID, config.DatabaseType, config.ContainerTimeout); err != nil {
@@ -118,7 +118,7 @@ func (e *Engine) Run(ctx context.Context, config *DrillConfig) (*DrillResult, er
 	result.RestoreTime = time.Since(restoreStart).Seconds()
 	e.completePhase(&phase, fmt.Sprintf("Restored in %.2fs", result.RestoreTime))
 	result.Phases = append(result.Phases, phase)
-	e.log.Info(fmt.Sprintf("✅ Backup restored in %.2fs", result.RestoreTime))
+	e.log.Info(fmt.Sprintf("[OK] Backup restored in %.2fs", result.RestoreTime))
 
 	// Phase 4: Validate
 	phase = e.startPhase("Validate Database")
@@ -182,24 +182,24 @@ func (e *Engine) preflightChecks(ctx context.Context, config *DrillConfig) error
 	if err := e.docker.CheckDockerAvailable(ctx); err != nil {
 		return fmt.Errorf("docker not available: %w", err)
 	}
-	e.log.Info("✓ Docker is available")
+	e.log.Info("[OK] Docker is available")
 
 	// Check backup file exists
 	if _, err := os.Stat(config.BackupPath); err != nil {
 		return fmt.Errorf("backup file not found: %s", config.BackupPath)
 	}
-	e.log.Info("✓ Backup file exists: " + filepath.Base(config.BackupPath))
+	e.log.Info("[OK] Backup file exists: " + filepath.Base(config.BackupPath))
 
 	// Pull Docker image
 	image := config.ContainerImage
 	if image == "" {
 		image = GetDefaultImage(config.DatabaseType, "")
 	}
-	e.log.Info("⬇️  Pulling image: " + image)
+	e.log.Info("[DOWN]  Pulling image: " + image)
 	if err := e.docker.PullImage(ctx, image); err != nil {
 		return fmt.Errorf("failed to pull image: %w", err)
 	}
-	e.log.Info("✓ Image ready: " + image)
+	e.log.Info("[OK] Image ready: " + image)
 
 	return nil
 }
@@ -243,7 +243,7 @@ func (e *Engine) restoreBackup(ctx context.Context, config *DrillConfig, contain
 	backupName := filepath.Base(config.BackupPath)
 	containerBackupPath := "/tmp/" + backupName
 
-	e.log.Info("📁 Copying backup to container...")
+	e.log.Info("[DIR] Copying backup to container...")
 	if err := e.docker.CopyToContainer(ctx, containerID, config.BackupPath, containerBackupPath); err != nil {
 		return fmt.Errorf("failed to copy backup: %w", err)
 	}
@@ -256,7 +256,7 @@ func (e *Engine) restoreBackup(ctx context.Context, config *DrillConfig, contain
 	}
 
 	// Restore based on database type and format
-	e.log.Info("🔄 Restoring backup...")
+	e.log.Info("[EXEC] Restoring backup...")
 	return e.executeRestore(ctx, config, containerID, containerBackupPath, containerConfig)
 }
 
@@ -366,13 +366,13 @@ func (e *Engine) validateDatabase(ctx context.Context, config *DrillConfig, resu
 	tables, err := validator.GetTableList(ctx)
 	if err == nil {
 		result.TableCount = len(tables)
-		e.log.Info(fmt.Sprintf("📊 Tables found: %d", result.TableCount))
+		e.log.Info(fmt.Sprintf("[STATS] Tables found: %d", result.TableCount))
 	}
 
 	totalRows, err := validator.GetTotalRowCount(ctx)
 	if err == nil {
 		result.TotalRows = totalRows
-		e.log.Info(fmt.Sprintf("📊 Total rows: %d", result.TotalRows))
+		e.log.Info(fmt.Sprintf("[STATS] Total rows: %d", result.TotalRows))
 	}
 
 	dbSize, err := validator.GetDatabaseSize(ctx, config.DatabaseName)
@@ -387,9 +387,9 @@ func (e *Engine) validateDatabase(ctx context.Context, config *DrillConfig, resu
 			result.CheckResults = append(result.CheckResults, tr)
 			if !tr.Success {
 				errorCount++
-				e.log.Warn("❌ " + tr.Message)
+				e.log.Warn("[FAIL] " + tr.Message)
 			} else {
-				e.log.Info("✓ " + tr.Message)
+				e.log.Info("[OK] " + tr.Message)
 			}
 		}
 	}
@@ -404,9 +404,9 @@ func (e *Engine) validateDatabase(ctx context.Context, config *DrillConfig, resu
 			totalQueryTime += qr.Duration
 			if !qr.Success {
 				errorCount++
-				e.log.Warn(fmt.Sprintf("❌ %s: %s", qr.Name, qr.Error))
+				e.log.Warn(fmt.Sprintf("[FAIL] %s: %s", qr.Name, qr.Error))
 			} else {
-				e.log.Info(fmt.Sprintf("✓ %s: %s (%.0fms)", qr.Name, qr.Result, qr.Duration))
+				e.log.Info(fmt.Sprintf("[OK] %s: %s (%.0fms)", qr.Name, qr.Result, qr.Duration))
 			}
 		}
 		if len(queryResults) > 0 {
@@ -421,9 +421,9 @@ func (e *Engine) validateDatabase(ctx context.Context, config *DrillConfig, resu
 			result.CheckResults = append(result.CheckResults, cr)
 			if !cr.Success {
 				errorCount++
-				e.log.Warn("❌ " + cr.Message)
+				e.log.Warn("[FAIL] " + cr.Message)
 			} else {
-				e.log.Info("✓ " + cr.Message)
+				e.log.Info("[OK] " + cr.Message)
 			}
 		}
 	}
@@ -433,7 +433,7 @@ func (e *Engine) validateDatabase(ctx context.Context, config *DrillConfig, resu
 		errorCount++
 		msg := fmt.Sprintf("Total rows (%d) below minimum (%d)", result.TotalRows, config.MinRowCount)
 		result.Warnings = append(result.Warnings, msg)
-		e.log.Warn("⚠️ " + msg)
+		e.log.Warn("[WARN] " + msg)
 	}
 
 	return errorCount
@@ -441,7 +441,7 @@ func (e *Engine) validateDatabase(ctx context.Context, config *DrillConfig, resu
 
 // startPhase starts a new drill phase
 func (e *Engine) startPhase(name string) DrillPhase {
-	e.log.Info("▶️  " + name)
+	e.log.Info("[RUN]  " + name)
 	return DrillPhase{
 		Name:      name,
 		Status:    "running",
@@ -463,7 +463,7 @@ func (e *Engine) failPhase(phase *DrillPhase, message string) {
 	phase.Duration = phase.EndTime.Sub(phase.StartTime).Seconds()
 	phase.Status = "failed"
 	phase.Message = message
-	e.log.Error("❌ Phase failed: " + message)
+	e.log.Error("[FAIL] Phase failed: " + message)
 }
 
 // finalize completes the drill result
@@ -472,9 +472,9 @@ func (e *Engine) finalize(result *DrillResult) {
 	result.Duration = result.EndTime.Sub(result.StartTime).Seconds()
 
 	e.log.Info("")
-	e.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	e.log.Info("=====================================================")
 	e.log.Info("  " + result.Summary())
-	e.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	e.log.Info("=====================================================")
 
 	if result.Success {
 		e.log.Info(fmt.Sprintf("  RTO: %.2fs (target: %.0fs) %s",
@@ -484,9 +484,9 @@ func (e *Engine) finalize(result *DrillResult) {
 
 func boolIcon(b bool) string {
 	if b {
-		return "✅"
+		return "[OK]"
 	}
-	return "❌"
+	return "[FAIL]"
 }
 
 // Cleanup removes drill resources
@@ -498,7 +498,7 @@ func (e *Engine) Cleanup(ctx context.Context, drillID string) error {
 
 	for _, c := range containers {
 		if strings.Contains(c.Name, drillID) || (drillID == "" && strings.HasPrefix(c.Name, "drill_")) {
-			e.log.Info("🗑️  Removing container: " + c.Name)
+			e.log.Info("[DEL]  Removing container: " + c.Name)
 			if err := e.docker.RemoveContainer(ctx, c.ID); err != nil {
 				e.log.Warn("Failed to remove container", "id", c.ID, "error", err)
 			}

internal/encryption/encryption_test.go

@@ -8,7 +8,7 @@ import (
 
 func TestEncryptDecrypt(t *testing.T) {
 	// Test data
-	original := []byte("This is a secret database backup that needs encryption! 🔒")
+	original := []byte("This is a secret database backup that needs encryption! [LOCK]")
 
 	// Test with passphrase
 	t.Run("Passphrase", func(t *testing.T) {
@@ -57,7 +57,7 @@ func TestEncryptDecrypt(t *testing.T) {
 				string(original), string(decrypted))
 		}
 
-		t.Log("✅ Encryption/decryption successful")
+		t.Log("[OK] Encryption/decryption successful")
 	})
 
 	// Test with direct key
@@ -102,7 +102,7 @@ func TestEncryptDecrypt(t *testing.T) {
 			t.Errorf("Decrypted data doesn't match original")
 		}
 
-		t.Log("✅ Direct key encryption/decryption successful")
+		t.Log("[OK] Direct key encryption/decryption successful")
 	})
 
 	// Test wrong password
@@ -133,7 +133,7 @@ func TestEncryptDecrypt(t *testing.T) {
 			t.Error("Expected decryption to fail with wrong password, but it succeeded")
 		}
 
-		t.Logf("✅ Wrong password correctly rejected: %v", err)
+		t.Logf("[OK] Wrong password correctly rejected: %v", err)
 	})
 }
 
@@ -183,7 +183,7 @@ func TestLargeData(t *testing.T) {
 		t.Errorf("Large data decryption failed")
 	}
 
-	t.Log("✅ Large data encryption/decryption successful")
+	t.Log("[OK] Large data encryption/decryption successful")
 }
 
 func TestKeyGeneration(t *testing.T) {
@@ -207,7 +207,7 @@ func TestKeyGeneration(t *testing.T) {
 		t.Error("Generated keys are identical - randomness broken!")
 	}
 
-	t.Log("✅ Key generation successful")
+	t.Log("[OK] Key generation successful")
 }
 
 func TestKeyDerivation(t *testing.T) {
@@ -230,5 +230,5 @@ func TestKeyDerivation(t *testing.T) {
 		t.Error("Different salts produced same key")
 	}
 
-	t.Log("✅ Key derivation successful")
+	t.Log("[OK] Key derivation successful")
 }

internal/installer/installer.go

@@ -658,9 +658,9 @@ func (i *Installer) printNextSteps(opts InstallOptions) {
 	serviceName := strings.Replace(timerName, ".timer", ".service", 1)
 
 	fmt.Println()
-	fmt.Println("✅ Installation successful!")
+	fmt.Println("[OK] Installation successful!")
 	fmt.Println()
-	fmt.Println("📋 Next steps:")
+	fmt.Println("[NEXT] Next steps:")
 	fmt.Println()
 	fmt.Printf("  1. Edit configuration:     sudo nano %s\n", opts.ConfigPath)
 	fmt.Printf("  2. Set credentials:        sudo nano /etc/dbbackup/env.d/%s.conf\n", opts.Instance)
@@ -668,12 +668,12 @@ func (i *Installer) printNextSteps(opts InstallOptions) {
 	fmt.Printf("  4. Verify timer status:    sudo systemctl status %s\n", timerName)
 	fmt.Printf("  5. Run backup manually:    sudo systemctl start %s\n", serviceName)
 	fmt.Println()
-	fmt.Println("📊 View backup logs:")
+	fmt.Println("[LOGS] View backup logs:")
 	fmt.Printf("  journalctl -u %s -f\n", serviceName)
 	fmt.Println()
 
 	if opts.WithMetrics {
-		fmt.Println("📈 Prometheus metrics:")
+		fmt.Println("[METRICS] Prometheus metrics:")
 		fmt.Printf("  curl http://localhost:%d/metrics\n", opts.MetricsPort)
 		fmt.Println()
 	}

internal/notify/batch.go

@@ -202,9 +202,9 @@ func (b *Batcher) formatSummaryDigest(events []*Event, success, failure, dbCount
 
 func (b *Batcher) formatCompactDigest(events []*Event, success, failure int) string {
 	if failure > 0 {
-		return fmt.Sprintf("⚠️ %d/%d operations failed", failure, len(events))
+		return fmt.Sprintf("[WARN] %d/%d operations failed", failure, len(events))
 	}
-	return fmt.Sprintf("✅ All %d operations successful", success)
+	return fmt.Sprintf("[OK] All %d operations successful", success)
 }
 
 func (b *Batcher) formatDetailedDigest(events []*Event) string {
@@ -215,9 +215,9 @@ func (b *Batcher) formatDetailedDigest(events []*Event) string {
 		icon := "•"
 		switch e.Severity {
 		case SeverityError, SeverityCritical:
-			icon = "❌"
+			icon = "[FAIL]"
 		case SeverityWarning:
-			icon = "⚠️"
+			icon = "[WARN]"
 		}
 
 		msg += fmt.Sprintf("%s [%s] %s: %s\n",

internal/notify/notify.go

@@ -183,43 +183,43 @@ func DefaultConfig() Config {
 
 // FormatEventSubject generates a subject line for notifications
 func FormatEventSubject(event *Event) string {
-	icon := "ℹ️"
+	icon := "[INFO]"
 	switch event.Severity {
 	case SeverityWarning:
-		icon = "⚠️"
+		icon = "[WARN]"
 	case SeverityError, SeverityCritical:
-		icon = "❌"
+		icon = "[FAIL]"
 	}
 
 	verb := "Event"
 	switch event.Type {
 	case EventBackupStarted:
 		verb = "Backup Started"
-		icon = "🔄"
+		icon = "[EXEC]"
 	case EventBackupCompleted:
 		verb = "Backup Completed"
-		icon = "✅"
+		icon = "[OK]"
 	case EventBackupFailed:
 		verb = "Backup Failed"
-		icon = "❌"
+		icon = "[FAIL]"
 	case EventRestoreStarted:
 		verb = "Restore Started"
-		icon = "🔄"
+		icon = "[EXEC]"
 	case EventRestoreCompleted:
 		verb = "Restore Completed"
-		icon = "✅"
+		icon = "[OK]"
 	case EventRestoreFailed:
 		verb = "Restore Failed"
-		icon = "❌"
+		icon = "[FAIL]"
 	case EventCleanupCompleted:
 		verb = "Cleanup Completed"
-		icon = "🗑️"
+		icon = "[DEL]"
 	case EventVerifyCompleted:
 		verb = "Verification Passed"
-		icon = "✅"
+		icon = "[OK]"
 	case EventVerifyFailed:
 		verb = "Verification Failed"
-		icon = "❌"
+		icon = "[FAIL]"
 	case EventPITRRecovery:
 		verb = "PITR Recovery"
 		icon = "⏪"

internal/notify/templates.go

@@ -30,52 +30,52 @@ type Templates struct {
 func DefaultTemplates() map[EventType]Templates {
 	return map[EventType]Templates{
 		EventBackupStarted: {
-			Subject:  "🔄 Backup Started: {{.Database}} on {{.Hostname}}",
+			Subject:  "[EXEC] Backup Started: {{.Database}} on {{.Hostname}}",
 			TextBody: backupStartedText,
 			HTMLBody: backupStartedHTML,
 		},
 		EventBackupCompleted: {
-			Subject:  "✅ Backup Completed: {{.Database}} on {{.Hostname}}",
+			Subject:  "[OK] Backup Completed: {{.Database}} on {{.Hostname}}",
 			TextBody: backupCompletedText,
 			HTMLBody: backupCompletedHTML,
 		},
 		EventBackupFailed: {
-			Subject:  "❌ Backup FAILED: {{.Database}} on {{.Hostname}}",
+			Subject:  "[FAIL] Backup FAILED: {{.Database}} on {{.Hostname}}",
 			TextBody: backupFailedText,
 			HTMLBody: backupFailedHTML,
 		},
 		EventRestoreStarted: {
-			Subject:  "🔄 Restore Started: {{.Database}} on {{.Hostname}}",
+			Subject:  "[EXEC] Restore Started: {{.Database}} on {{.Hostname}}",
 			TextBody: restoreStartedText,
 			HTMLBody: restoreStartedHTML,
 		},
 		EventRestoreCompleted: {
-			Subject:  "✅ Restore Completed: {{.Database}} on {{.Hostname}}",
+			Subject:  "[OK] Restore Completed: {{.Database}} on {{.Hostname}}",
 			TextBody: restoreCompletedText,
 			HTMLBody: restoreCompletedHTML,
 		},
 		EventRestoreFailed: {
-			Subject:  "❌ Restore FAILED: {{.Database}} on {{.Hostname}}",
+			Subject:  "[FAIL] Restore FAILED: {{.Database}} on {{.Hostname}}",
 			TextBody: restoreFailedText,
 			HTMLBody: restoreFailedHTML,
 		},
 		EventVerificationPassed: {
-			Subject:  "✅ Verification Passed: {{.Database}}",
+			Subject:  "[OK] Verification Passed: {{.Database}}",
 			TextBody: verificationPassedText,
 			HTMLBody: verificationPassedHTML,
 		},
 		EventVerificationFailed: {
-			Subject:  "❌ Verification FAILED: {{.Database}}",
+			Subject:  "[FAIL] Verification FAILED: {{.Database}}",
 			TextBody: verificationFailedText,
 			HTMLBody: verificationFailedHTML,
 		},
 		EventDRDrillPassed: {
-			Subject:  "✅ DR Drill Passed: {{.Database}}",
+			Subject:  "[OK] DR Drill Passed: {{.Database}}",
 			TextBody: drDrillPassedText,
 			HTMLBody: drDrillPassedHTML,
 		},
 		EventDRDrillFailed: {
-			Subject:  "❌ DR Drill FAILED: {{.Database}}",
+			Subject:  "[FAIL] DR Drill FAILED: {{.Database}}",
 			TextBody: drDrillFailedText,
 			HTMLBody: drDrillFailedHTML,
 		},
@@ -95,7 +95,7 @@ Started At: {{formatTime .Timestamp}}
 
 const backupStartedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #3498db;">🔄 Backup Started</h2>
+  <h2 style="color: #3498db;">[EXEC] Backup Started</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -121,7 +121,7 @@ Completed:  {{formatTime .Timestamp}}
 
 const backupCompletedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #27ae60;">✅ Backup Completed</h2>
+  <h2 style="color: #27ae60;">[OK] Backup Completed</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -137,7 +137,7 @@ const backupCompletedHTML = `
 `
 
 const backupFailedText = `
-⚠️ BACKUP FAILED ⚠️
+[WARN] BACKUP FAILED [WARN]
 
 Database:   {{.Database}}
 Hostname:   {{.Hostname}}
@@ -152,7 +152,7 @@ Please investigate immediately.
 
 const backupFailedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #e74c3c;">❌ Backup FAILED</h2>
+  <h2 style="color: #e74c3c;">[FAIL] Backup FAILED</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -176,7 +176,7 @@ Started At: {{formatTime .Timestamp}}
 
 const restoreStartedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #3498db;">🔄 Restore Started</h2>
+  <h2 style="color: #3498db;">[EXEC] Restore Started</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -200,7 +200,7 @@ Completed:  {{formatTime .Timestamp}}
 
 const restoreCompletedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #27ae60;">✅ Restore Completed</h2>
+  <h2 style="color: #27ae60;">[OK] Restore Completed</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -214,7 +214,7 @@ const restoreCompletedHTML = `
 `
 
 const restoreFailedText = `
-⚠️ RESTORE FAILED ⚠️
+[WARN] RESTORE FAILED [WARN]
 
 Database:   {{.Database}}
 Hostname:   {{.Hostname}}
@@ -229,7 +229,7 @@ Please investigate immediately.
 
 const restoreFailedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #e74c3c;">❌ Restore FAILED</h2>
+  <h2 style="color: #e74c3c;">[FAIL] Restore FAILED</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -255,7 +255,7 @@ Verified:   {{formatTime .Timestamp}}
 
 const verificationPassedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #27ae60;">✅ Verification Passed</h2>
+  <h2 style="color: #27ae60;">[OK] Verification Passed</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -269,7 +269,7 @@ const verificationPassedHTML = `
 `
 
 const verificationFailedText = `
-⚠️ VERIFICATION FAILED ⚠️
+[WARN] VERIFICATION FAILED [WARN]
 
 Database:   {{.Database}}
 Hostname:   {{.Hostname}}
@@ -284,7 +284,7 @@ Backup integrity may be compromised. Please investigate.
 
 const verificationFailedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #e74c3c;">❌ Verification FAILED</h2>
+  <h2 style="color: #e74c3c;">[FAIL] Verification FAILED</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -314,7 +314,7 @@ Backup restore capability verified.
 
 const drDrillPassedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #27ae60;">✅ DR Drill Passed</h2>
+  <h2 style="color: #27ae60;">[OK] DR Drill Passed</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>
@@ -326,12 +326,12 @@ const drDrillPassedHTML = `
     {{end}}
   </table>
   {{if .Message}}<p style="margin-top: 20px; color: #27ae60;">{{.Message}}</p>{{end}}
-  <p style="margin-top: 20px; color: #27ae60;">✓ Backup restore capability verified</p>
+  <p style="margin-top: 20px; color: #27ae60;">[OK] Backup restore capability verified</p>
 </div>
 `
 
 const drDrillFailedText = `
-⚠️ DR DRILL FAILED ⚠️
+[WARN] DR DRILL FAILED [WARN]
 
 Database:   {{.Database}}
 Hostname:   {{.Hostname}}
@@ -346,7 +346,7 @@ Backup may not be restorable. Please investigate immediately.
 
 const drDrillFailedHTML = `
 <div style="font-family: Arial, sans-serif; padding: 20px;">
-  <h2 style="color: #e74c3c;">❌ DR Drill FAILED</h2>
+  <h2 style="color: #e74c3c;">[FAIL] DR Drill FAILED</h2>
   <table style="border-collapse: collapse; width: 100%; max-width: 600px;">
     <tr><td style="padding: 8px; font-weight: bold;">Database:</td><td style="padding: 8px;">{{.Database}}</td></tr>
     <tr><td style="padding: 8px; font-weight: bold;">Hostname:</td><td style="padding: 8px;">{{.Hostname}}</td></tr>

internal/pitr/restore.go

@@ -43,9 +43,9 @@ type RestoreOptions struct {
 
 // RestorePointInTime performs a Point-in-Time Recovery
 func (ro *RestoreOrchestrator) RestorePointInTime(ctx context.Context, opts *RestoreOptions) error {
-	ro.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	ro.log.Info("=====================================================")
 	ro.log.Info("  Point-in-Time Recovery (PITR)")
-	ro.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	ro.log.Info("=====================================================")
 	ro.log.Info("")
 	ro.log.Info("Target:", "summary", opts.Target.Summary())
 	ro.log.Info("Base Backup:", "path", opts.BaseBackupPath)
@@ -91,11 +91,11 @@ func (ro *RestoreOrchestrator) RestorePointInTime(ctx context.Context, opts *Res
 		return fmt.Errorf("failed to generate recovery configuration: %w", err)
 	}
 
-	ro.log.Info("✅ Recovery configuration generated successfully")
+	ro.log.Info("[OK] Recovery configuration generated successfully")
 	ro.log.Info("")
-	ro.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	ro.log.Info("=====================================================")
 	ro.log.Info("  Next Steps:")
-	ro.log.Info("━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━")
+	ro.log.Info("=====================================================")
 	ro.log.Info("")
 	ro.log.Info("1. Start PostgreSQL to begin recovery:")
 	ro.log.Info(fmt.Sprintf("   pg_ctl -D %s start", opts.TargetDataDir))
@@ -192,7 +192,7 @@ func (ro *RestoreOrchestrator) validateInputs(opts *RestoreOptions) error {
 		}
 	}
 
-	ro.log.Info("✅ Validation passed")
+	ro.log.Info("[OK] Validation passed")
 	return nil
 }
 
@@ -238,7 +238,7 @@ func (ro *RestoreOrchestrator) extractTarGzBackup(ctx context.Context, source, d
 		return fmt.Errorf("tar extraction failed: %w", err)
 	}
 
-	ro.log.Info("✅ Base backup extracted successfully")
+	ro.log.Info("[OK] Base backup extracted successfully")
 	return nil
 }
 
@@ -254,7 +254,7 @@ func (ro *RestoreOrchestrator) extractTarBackup(ctx context.Context, source, des
 		return fmt.Errorf("tar extraction failed: %w", err)
 	}
 
-	ro.log.Info("✅ Base backup extracted successfully")
+	ro.log.Info("[OK] Base backup extracted successfully")
 	return nil
 }
 
@@ -270,7 +270,7 @@ func (ro *RestoreOrchestrator) copyDirectoryBackup(ctx context.Context, source,
 		return fmt.Errorf("directory copy failed: %w", err)
 	}
 
-	ro.log.Info("✅ Base backup copied successfully")
+	ro.log.Info("[OK] Base backup copied successfully")
 	return nil
 }
 
@@ -291,7 +291,7 @@ func (ro *RestoreOrchestrator) startPostgreSQL(ctx context.Context, opts *Restor
 		return fmt.Errorf("pg_ctl start failed: %w", err)
 	}
 
-	ro.log.Info("✅ PostgreSQL started successfully")
+	ro.log.Info("[OK] PostgreSQL started successfully")
 	ro.log.Info("PostgreSQL is now performing recovery...")
 	return nil
 }
@@ -320,7 +320,7 @@ func (ro *RestoreOrchestrator) monitorRecovery(ctx context.Context, opts *Restor
 			// Check if recovery is complete by looking for postmaster.pid
 			pidFile := filepath.Join(opts.TargetDataDir, "postmaster.pid")
 			if _, err := os.Stat(pidFile); err == nil {
-				ro.log.Info("✅ PostgreSQL is running")
+				ro.log.Info("[OK] PostgreSQL is running")
 
 				// Check if recovery files still exist
 				recoverySignal := filepath.Join(opts.TargetDataDir, "recovery.signal")
@@ -328,7 +328,7 @@ func (ro *RestoreOrchestrator) monitorRecovery(ctx context.Context, opts *Restor
 
 				if _, err := os.Stat(recoverySignal); os.IsNotExist(err) {
 					if _, err := os.Stat(recoveryConf); os.IsNotExist(err) {
-						ro.log.Info("✅ Recovery completed - PostgreSQL promoted to primary")
+						ro.log.Info("[OK] Recovery completed - PostgreSQL promoted to primary")
 						return nil
 					}
 				}

internal/progress/detailed.go

@@ -256,7 +256,7 @@ func (ot *OperationTracker) Complete(message string) {
 
 			// Complete visual indicator
 			if ot.reporter.indicator != nil {
-				ot.reporter.indicator.Complete(fmt.Sprintf("✅ %s", message))
+				ot.reporter.indicator.Complete(fmt.Sprintf("[OK] %s", message))
 			}
 
 			// Log completion with duration
@@ -286,7 +286,7 @@ func (ot *OperationTracker) Fail(err error) {
 
 			// Fail visual indicator
 			if ot.reporter.indicator != nil {
-				ot.reporter.indicator.Fail(fmt.Sprintf("❌ %s", err.Error()))
+				ot.reporter.indicator.Fail(fmt.Sprintf("[FAIL] %s", err.Error()))
 			}
 
 			// Log failure
@@ -427,7 +427,7 @@ type OperationSummary struct {
 // FormatSummary returns a formatted string representation of the summary
 func (os *OperationSummary) FormatSummary() string {
 	return fmt.Sprintf(
-		"📊 Operations Summary:\n"+
+		"[STATS] Operations Summary:\n"+
 			"  Total: %d | Completed: %d | Failed: %d | Running: %d\n"+
 			"  Total Duration: %s",
 		os.TotalOperations,

internal/progress/progress.go

@@ -92,13 +92,13 @@ func (s *Spinner) Update(message string) {
 // Complete stops the spinner with a success message
 func (s *Spinner) Complete(message string) {
 	s.Stop()
-	fmt.Fprintf(s.writer, "\n✅ %s\n", message)
+	fmt.Fprintf(s.writer, "\n[OK] %s\n", message)
 }
 
 // Fail stops the spinner with a failure message
 func (s *Spinner) Fail(message string) {
 	s.Stop()
-	fmt.Fprintf(s.writer, "\n❌ %s\n", message)
+	fmt.Fprintf(s.writer, "\n[FAIL] %s\n", message)
 }
 
 // Stop stops the spinner
@@ -167,13 +167,13 @@ func (d *Dots) Update(message string) {
 // Complete stops the dots with a success message
 func (d *Dots) Complete(message string) {
 	d.Stop()
-	fmt.Fprintf(d.writer, " ✅ %s\n", message)
+	fmt.Fprintf(d.writer, " [OK] %s\n", message)
 }
 
 // Fail stops the dots with a failure message
 func (d *Dots) Fail(message string) {
 	d.Stop()
-	fmt.Fprintf(d.writer, " ❌ %s\n", message)
+	fmt.Fprintf(d.writer, " [FAIL] %s\n", message)
 }
 
 // Stop stops the dots indicator
@@ -239,14 +239,14 @@ func (p *ProgressBar) Complete(message string) {
 	p.current = p.total
 	p.message = message
 	p.render()
-	fmt.Fprintf(p.writer, " ✅ %s\n", message)
+	fmt.Fprintf(p.writer, " [OK] %s\n", message)
 	p.Stop()
 }
 
 // Fail stops the progress bar with failure
 func (p *ProgressBar) Fail(message string) {
 	p.render()
-	fmt.Fprintf(p.writer, " ❌ %s\n", message)
+	fmt.Fprintf(p.writer, " [FAIL] %s\n", message)
 	p.Stop()
 }
 
@@ -298,12 +298,12 @@ func (s *Static) Update(message string) {
 
 // Complete shows completion message
 func (s *Static) Complete(message string) {
-	fmt.Fprintf(s.writer, " ✅ %s\n", message)
+	fmt.Fprintf(s.writer, " [OK] %s\n", message)
 }
 
 // Fail shows failure message
 func (s *Static) Fail(message string) {
-	fmt.Fprintf(s.writer, " ❌ %s\n", message)
+	fmt.Fprintf(s.writer, " [FAIL] %s\n", message)
 }
 
 // Stop does nothing for static indicator
@@ -359,7 +359,7 @@ func (l *LineByLine) Start(message string) {
 	if l.estimator != nil {
 		displayMsg = l.estimator.GetFullStatus(message)
 	}
-	fmt.Fprintf(l.writer, "\n🔄 %s\n", displayMsg)
+	fmt.Fprintf(l.writer, "\n[SYNC] %s\n", displayMsg)
 }
 
 // Update shows an update message
@@ -380,12 +380,12 @@ func (l *LineByLine) SetEstimator(estimator *ETAEstimator) {
 
 // Complete shows completion message
 func (l *LineByLine) Complete(message string) {
-	fmt.Fprintf(l.writer, "✅ %s\n\n", message)
+	fmt.Fprintf(l.writer, "[OK] %s\n\n", message)
 }
 
 // Fail shows failure message
 func (l *LineByLine) Fail(message string) {
-	fmt.Fprintf(l.writer, "❌ %s\n\n", message)
+	fmt.Fprintf(l.writer, "[FAIL] %s\n\n", message)
 }
 
 // Stop does nothing for line-by-line (no cleanup needed)
@@ -396,7 +396,7 @@ func (l *LineByLine) Stop() {
 // Light indicator methods - minimal output
 func (l *Light) Start(message string) {
 	if !l.silent {
-		fmt.Fprintf(l.writer, "▶ %s\n", message)
+		fmt.Fprintf(l.writer, "> %s\n", message)
 	}
 }
 
@@ -408,13 +408,13 @@ func (l *Light) Update(message string) {
 
 func (l *Light) Complete(message string) {
 	if !l.silent {
-		fmt.Fprintf(l.writer, "✓ %s\n", message)
+		fmt.Fprintf(l.writer, "[OK] %s\n", message)
 	}
 }
 
 func (l *Light) Fail(message string) {
 	if !l.silent {
-		fmt.Fprintf(l.writer, "✗ %s\n", message)
+		fmt.Fprintf(l.writer, "[FAIL] %s\n", message)
 	}
 }
 

internal/report/report.go

@@ -296,11 +296,11 @@ func generateID() string {
 func StatusIcon(s ComplianceStatus) string {
 	switch s {
 	case StatusCompliant:
-		return "✅"
+		return "[OK]"
 	case StatusNonCompliant:
-		return "❌"
+		return "[FAIL]"
 	case StatusPartial:
-		return "⚠️"
+		return "[WARN]"
 	case StatusNotApplicable:
 		return "➖"
 	default:

internal/restore/diagnose.go

@@ -714,7 +714,7 @@ func (d *Diagnoser) DiagnoseClusterDumps(archivePath, tempDir string) ([]*Diagno
 // PrintDiagnosis outputs a human-readable diagnosis report
 func (d *Diagnoser) PrintDiagnosis(result *DiagnoseResult) {
 	fmt.Println("\n" + strings.Repeat("=", 70))
-	fmt.Printf("📋 DIAGNOSIS: %s\n", result.FileName)
+	fmt.Printf("[DIAG] DIAGNOSIS: %s\n", result.FileName)
 	fmt.Println(strings.Repeat("=", 70))
 
 	// Basic info
@@ -724,69 +724,69 @@ func (d *Diagnoser) PrintDiagnosis(result *DiagnoseResult) {
 
 	// Status
 	if result.IsValid {
-		fmt.Println("\n✅ STATUS: VALID")
+		fmt.Println("\n[OK] STATUS: VALID")
 	} else {
-		fmt.Println("\n❌ STATUS: INVALID")
+		fmt.Println("\n[FAIL] STATUS: INVALID")
 	}
 
 	if result.IsTruncated {
-		fmt.Println("⚠️  TRUNCATED: Yes - file appears incomplete")
+		fmt.Println("[WARN] TRUNCATED: Yes - file appears incomplete")
 	}
 	if result.IsCorrupted {
-		fmt.Println("⚠️  CORRUPTED: Yes - file structure is damaged")
+		fmt.Println("[WARN] CORRUPTED: Yes - file structure is damaged")
 	}
 
 	// Details
 	if result.Details != nil {
-		fmt.Println("\n📊 DETAILS:")
+		fmt.Println("\n[DETAILS]:")
 
 		if result.Details.HasPGDMPSignature {
-			fmt.Println("  ✓ Has PGDMP signature (PostgreSQL custom format)")
+			fmt.Println("  [+] Has PGDMP signature (PostgreSQL custom format)")
 		}
 		if result.Details.HasSQLHeader {
-			fmt.Println("  ✓ Has PostgreSQL SQL header")
+			fmt.Println("  [+] Has PostgreSQL SQL header")
 		}
 		if result.Details.GzipValid {
-			fmt.Println("  ✓ Gzip compression valid")
+			fmt.Println("  [+] Gzip compression valid")
 		}
 		if result.Details.PgRestoreListable {
-			fmt.Printf("  ✓ pg_restore can list contents (%d tables)\n", result.Details.TableCount)
+			fmt.Printf("  [+] pg_restore can list contents (%d tables)\n", result.Details.TableCount)
 		}
 		if result.Details.CopyBlockCount > 0 {
-			fmt.Printf("  • Contains %d COPY blocks\n", result.Details.CopyBlockCount)
+			fmt.Printf("  [-] Contains %d COPY blocks\n", result.Details.CopyBlockCount)
 		}
 		if result.Details.UnterminatedCopy {
-			fmt.Printf("  ✗ Unterminated COPY block: %s (line %d)\n",
+			fmt.Printf("  [-] Unterminated COPY block: %s (line %d)\n",
 				result.Details.LastCopyTable, result.Details.LastCopyLineNumber)
 		}
 		if result.Details.ProperlyTerminated {
-			fmt.Println("  ✓ All COPY blocks properly terminated")
+			fmt.Println("  [+] All COPY blocks properly terminated")
 		}
 		if result.Details.ExpandedSize > 0 {
-			fmt.Printf("  • Expanded size: %s (ratio: %.1fx)\n",
+			fmt.Printf("  [-] Expanded size: %s (ratio: %.1fx)\n",
 				formatBytes(result.Details.ExpandedSize), result.Details.CompressionRatio)
 		}
 	}
 
 	// Errors
 	if len(result.Errors) > 0 {
-		fmt.Println("\n❌ ERRORS:")
+		fmt.Println("\n[ERRORS]:")
 		for _, e := range result.Errors {
-			fmt.Printf("  • %s\n", e)
+			fmt.Printf("  - %s\n", e)
 		}
 	}
 
 	// Warnings
 	if len(result.Warnings) > 0 {
-		fmt.Println("\n⚠️  WARNINGS:")
+		fmt.Println("\n[WARNINGS]:")
 		for _, w := range result.Warnings {
-			fmt.Printf("  • %s\n", w)
+			fmt.Printf("  - %s\n", w)
 		}
 	}
 
 	// Recommendations
 	if !result.IsValid {
-		fmt.Println("\n💡 RECOMMENDATIONS:")
+		fmt.Println("\n[HINT] RECOMMENDATIONS:")
 		if result.IsTruncated {
 			fmt.Println("  1. Re-run the backup process for this database")
 			fmt.Println("  2. Check disk space on backup server during backup")

internal/restore/engine.go

@@ -127,7 +127,7 @@ func (e *Engine) RestoreSingle(ctx context.Context, archivePath, targetDB string
 		e.log.Warn("Checksum verification failed", "error", checksumErr)
 		e.log.Warn("Continuing restore without checksum verification (use with caution)")
 	} else {
-		e.log.Info("✓ Archive checksum verified successfully")
+		e.log.Info("[OK] Archive checksum verified successfully")
 	}
 
 	// Detect archive format
@@ -461,7 +461,7 @@ func (e *Engine) executeRestoreCommandWithContext(ctx context.Context, cmdArgs [
 					e.log.Warn("Failed to save debug log", "error", saveErr)
 				} else {
 					e.log.Info("Debug log saved", "path", e.debugLogPath)
-					fmt.Printf("\n📋 Detailed error report saved to: %s\n", e.debugLogPath)
+					fmt.Printf("\n[LOG] Detailed error report saved to: %s\n", e.debugLogPath)
 				}
 			}
 		}
@@ -612,7 +612,7 @@ func (e *Engine) previewRestore(archivePath, targetDB string, format ArchiveForm
 		fmt.Printf("  1. Execute: mysql %s < %s\n", targetDB, archivePath)
 	}
 
-	fmt.Println("\n⚠️  WARNING: This will restore data to the target database.")
+	fmt.Println("\n[WARN]  WARNING: This will restore data to the target database.")
 	fmt.Println("   Existing data may be overwritten or merged.")
 	fmt.Println("\nTo execute this restore, add the --confirm flag.")
 	fmt.Println(strings.Repeat("=", 60) + "\n")
@@ -643,7 +643,7 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 		e.log.Warn("Checksum verification failed", "error", checksumErr)
 		e.log.Warn("Continuing restore without checksum verification (use with caution)")
 	} else {
-		e.log.Info("✓ Cluster archive checksum verified successfully")
+		e.log.Info("[OK] Cluster archive checksum verified successfully")
 	}
 
 	format := DetectArchiveFormat(archivePath)
@@ -703,7 +703,7 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 
 	if !isSuperuser {
 		e.log.Warn("Current user is not a superuser - database ownership may not be fully restored")
-		e.progress.Update("⚠️  Warning: Non-superuser - ownership restoration limited")
+		e.progress.Update("[WARN]  Warning: Non-superuser - ownership restoration limited")
 		time.Sleep(2 * time.Second) // Give user time to see warning
 	} else {
 		e.log.Info("Superuser privileges confirmed - full ownership restoration enabled")
@@ -835,7 +835,7 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
 		e.log.Warn("Large objects detected in dump files - reducing parallelism to avoid lock contention",
 			"original_parallelism", parallelism,
 			"adjusted_parallelism", 1)
-		e.progress.Update("⚠️  Large objects detected - using sequential restore to avoid lock conflicts")
+		e.progress.Update("[WARN]  Large objects detected - using sequential restore to avoid lock conflicts")
 		time.Sleep(2 * time.Second) // Give user time to see warning
 		parallelism = 1
 	}
@@ -1339,7 +1339,7 @@ func (e *Engine) previewClusterRestore(archivePath string) error {
 	fmt.Println("  3. Restore all databases found in archive")
 	fmt.Println("  4. Cleanup temporary files")
 
-	fmt.Println("\n⚠️  WARNING: This will restore multiple databases.")
+	fmt.Println("\n[WARN]  WARNING: This will restore multiple databases.")
 	fmt.Println("   Existing databases may be overwritten or merged.")
 	fmt.Println("\nTo execute this restore, add the --confirm flag.")
 	fmt.Println(strings.Repeat("=", 60) + "\n")

internal/restore/error_report.go

@@ -397,20 +397,20 @@ func (ec *ErrorCollector) SaveReport(report *RestoreErrorReport, outputPath stri
 // PrintReport prints a human-readable summary of the error report
 func (ec *ErrorCollector) PrintReport(report *RestoreErrorReport) {
 	fmt.Println()
-	fmt.Println(strings.Repeat("═", 70))
-	fmt.Println("  🔴 RESTORE ERROR REPORT")
-	fmt.Println(strings.Repeat("═", 70))
+	fmt.Println(strings.Repeat("=", 70))
+	fmt.Println("  [ERROR] RESTORE ERROR REPORT")
+	fmt.Println(strings.Repeat("=", 70))
 
-	fmt.Printf("\n📅 Timestamp:    %s\n", report.Timestamp.Format("2006-01-02 15:04:05"))
-	fmt.Printf("📦 Archive:      %s\n", filepath.Base(report.ArchivePath))
-	fmt.Printf("📊 Format:       %s\n", report.ArchiveFormat)
-	fmt.Printf("🎯 Target DB:    %s\n", report.TargetDB)
-	fmt.Printf("⚠️  Exit Code:    %d\n", report.ExitCode)
-	fmt.Printf("❌ Total Errors: %d\n", report.TotalErrors)
+	fmt.Printf("\n[TIME] Timestamp:    %s\n", report.Timestamp.Format("2006-01-02 15:04:05"))
+	fmt.Printf("[FILE] Archive:      %s\n", filepath.Base(report.ArchivePath))
+	fmt.Printf("[FMT] Format:       %s\n", report.ArchiveFormat)
+	fmt.Printf("[TGT] Target DB:    %s\n", report.TargetDB)
+	fmt.Printf("[CODE] Exit Code:    %d\n", report.ExitCode)
+	fmt.Printf("[ERR] Total Errors: %d\n", report.TotalErrors)
 
-	fmt.Println("\n" + strings.Repeat("─", 70))
+	fmt.Println("\n" + strings.Repeat("-", 70))
 	fmt.Println("ERROR DETAILS:")
-	fmt.Println(strings.Repeat("─", 70))
+	fmt.Println(strings.Repeat("-", 70))
 
 	fmt.Printf("\nType: %s\n", report.ErrorType)
 	fmt.Printf("Message: %s\n", report.ErrorMessage)
@@ -420,9 +420,9 @@ func (ec *ErrorCollector) PrintReport(report *RestoreErrorReport) {
 
 	// Show failure context
 	if report.FailureContext != nil && report.FailureContext.FailedLine > 0 {
-		fmt.Println("\n" + strings.Repeat("─", 70))
+		fmt.Println("\n" + strings.Repeat("-", 70))
 		fmt.Println("FAILURE CONTEXT:")
-		fmt.Println(strings.Repeat("─", 70))
+		fmt.Println(strings.Repeat("-", 70))
 
 		fmt.Printf("\nFailed at line: %d\n", report.FailureContext.FailedLine)
 		if report.FailureContext.InCopyBlock {
@@ -439,9 +439,9 @@ func (ec *ErrorCollector) PrintReport(report *RestoreErrorReport) {
 
 	// Show first few errors
 	if len(report.FirstErrors) > 0 {
-		fmt.Println("\n" + strings.Repeat("─", 70))
+		fmt.Println("\n" + strings.Repeat("-", 70))
 		fmt.Println("FIRST ERRORS:")
-		fmt.Println(strings.Repeat("─", 70))
+		fmt.Println(strings.Repeat("-", 70))
 
 		for i, err := range report.FirstErrors {
 			if i >= 5 {
@@ -454,15 +454,15 @@ func (ec *ErrorCollector) PrintReport(report *RestoreErrorReport) {
 
 	// Show diagnosis summary
 	if report.DiagnosisResult != nil && !report.DiagnosisResult.IsValid {
-		fmt.Println("\n" + strings.Repeat("─", 70))
+		fmt.Println("\n" + strings.Repeat("-", 70))
 		fmt.Println("DIAGNOSIS:")
-		fmt.Println(strings.Repeat("─", 70))
+		fmt.Println(strings.Repeat("-", 70))
 
 		if report.DiagnosisResult.IsTruncated {
-			fmt.Println("  ❌ File is TRUNCATED")
+			fmt.Println("  [FAIL] File is TRUNCATED")
 		}
 		if report.DiagnosisResult.IsCorrupted {
-			fmt.Println("  ❌ File is CORRUPTED")
+			fmt.Println("  [FAIL] File is CORRUPTED")
 		}
 		for i, err := range report.DiagnosisResult.Errors {
 			if i >= 3 {
@@ -473,18 +473,18 @@ func (ec *ErrorCollector) PrintReport(report *RestoreErrorReport) {
 	}
 
 	// Show recommendations
-	fmt.Println("\n" + strings.Repeat("─", 70))
-	fmt.Println("💡 RECOMMENDATIONS:")
-	fmt.Println(strings.Repeat("─", 70))
+	fmt.Println("\n" + strings.Repeat("-", 70))
+	fmt.Println("[HINT] RECOMMENDATIONS:")
+	fmt.Println(strings.Repeat("-", 70))
 
 	for _, rec := range report.Recommendations {
-		fmt.Printf("  • %s\n", rec)
+		fmt.Printf("  - %s\n", rec)
 	}
 
 	// Show tool versions
-	fmt.Println("\n" + strings.Repeat("─", 70))
+	fmt.Println("\n" + strings.Repeat("-", 70))
 	fmt.Println("ENVIRONMENT:")
-	fmt.Println(strings.Repeat("─", 70))
+	fmt.Println(strings.Repeat("-", 70))
 
 	fmt.Printf("  OS: %s/%s\n", report.OS, report.Arch)
 	fmt.Printf("  Go: %s\n", report.GoVersion)
@@ -495,7 +495,7 @@ func (ec *ErrorCollector) PrintReport(report *RestoreErrorReport) {
 		fmt.Printf("  psql: %s\n", report.PsqlVersion)
 	}
 
-	fmt.Println(strings.Repeat("═", 70))
+	fmt.Println(strings.Repeat("=", 70))
 }
 
 // Helper functions

internal/security/privileges.go

@@ -25,7 +25,7 @@ func (pc *PrivilegeChecker) CheckAndWarn(allowRoot bool) error {
 	isRoot, user := pc.isRunningAsRoot()
 
 	if isRoot {
-		pc.log.Warn("⚠️  Running with elevated privileges (root/Administrator)")
+		pc.log.Warn("[WARN] Running with elevated privileges (root/Administrator)")
 		pc.log.Warn("Security recommendation: Create a dedicated backup user with minimal privileges")
 
 		if !allowRoot {

internal/security/resources.go

@@ -64,7 +64,7 @@ func (rc *ResourceChecker) ValidateResourcesForBackup(estimatedSize int64) error
 
 	if len(warnings) > 0 {
 		for _, warning := range warnings {
-			rc.log.Warn("⚠️  Resource constraint: " + warning)
+			rc.log.Warn("[WARN] Resource constraint: " + warning)
 		}
 		rc.log.Info("Continuing backup operation (warnings are informational)")
 	}

internal/security/resources_unix.go

@@ -22,7 +22,7 @@ func (rc *ResourceChecker) checkPlatformLimits() (*ResourceLimits, error) {
 		rc.log.Debug("Resource limit: max open files", "limit", rLimit.Cur, "max", rLimit.Max)
 
 		if rLimit.Cur < 1024 {
-			rc.log.Warn("⚠️  Low file descriptor limit detected",
+			rc.log.Warn("[WARN] Low file descriptor limit detected",
 				"current", rLimit.Cur,
 				"recommended", 4096,
 				"hint", "Increase with: ulimit -n 4096")

internal/tui/archive_browser.go

@@ -209,12 +209,12 @@ func (m ArchiveBrowserModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 				// Validate selection based on mode
 				if m.mode == "restore-cluster" && !selected.Format.IsClusterBackup() {
-					m.message = errorStyle.Render("❌ Please select a cluster backup (.tar.gz)")
+					m.message = errorStyle.Render("[FAIL] Please select a cluster backup (.tar.gz)")
 					return m, nil
 				}
 
 				if m.mode == "restore-single" && selected.Format.IsClusterBackup() {
-					m.message = errorStyle.Render("❌ Please select a single database backup")
+					m.message = errorStyle.Render("[FAIL] Please select a single database backup")
 					return m, nil
 				}
 
@@ -227,7 +227,7 @@ func (m ArchiveBrowserModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			// Show detailed info
 			if len(m.archives) > 0 && m.cursor < len(m.archives) {
 				selected := m.archives[m.cursor]
-				m.message = fmt.Sprintf("📦 %s | Format: %s | Size: %s | Modified: %s",
+				m.message = fmt.Sprintf("[PKG] %s | Format: %s | Size: %s | Modified: %s",
 					selected.Name,
 					selected.Format.String(),
 					formatSize(selected.Size),
@@ -251,13 +251,13 @@ func (m ArchiveBrowserModel) View() string {
 	var s strings.Builder
 
 	// Header
-	title := "📦 Backup Archives"
+	title := "[PKG] Backup Archives"
 	if m.mode == "restore-single" {
-		title = "📦 Select Archive to Restore (Single Database)"
+		title = "[PKG] Select Archive to Restore (Single Database)"
 	} else if m.mode == "restore-cluster" {
-		title = "📦 Select Archive to Restore (Cluster)"
+		title = "[PKG] Select Archive to Restore (Cluster)"
 	} else if m.mode == "diagnose" {
-		title = "🔍 Select Archive to Diagnose"
+		title = "[SEARCH] Select Archive to Diagnose"
 	}
 
 	s.WriteString(titleStyle.Render(title))
@@ -269,7 +269,7 @@ func (m ArchiveBrowserModel) View() string {
 	}
 
 	if m.err != nil {
-		s.WriteString(errorStyle.Render(fmt.Sprintf("❌ Error: %v", m.err)))
+		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Error: %v", m.err)))
 		s.WriteString("\n\n")
 		s.WriteString(infoStyle.Render("Press Esc to go back"))
 		return s.String()
@@ -293,7 +293,7 @@ func (m ArchiveBrowserModel) View() string {
 	s.WriteString(archiveHeaderStyle.Render(fmt.Sprintf("%-40s %-25s %-12s %-20s",
 		"FILENAME", "FORMAT", "SIZE", "MODIFIED")))
 	s.WriteString("\n")
-	s.WriteString(strings.Repeat("─", 100))
+	s.WriteString(strings.Repeat("-", 100))
 	s.WriteString("\n")
 
 	// Show archives (limit to visible area)
@@ -317,13 +317,13 @@ func (m ArchiveBrowserModel) View() string {
 		}
 
 		// Color code based on validity and age
-		statusIcon := "✓"
+		statusIcon := "[+]"
 		if !archive.Valid {
-			statusIcon = "✗"
+			statusIcon = "[-]"
 			style = archiveInvalidStyle
 		} else if time.Since(archive.Modified) > 30*24*time.Hour {
 			style = archiveOldStyle
-			statusIcon = "⚠"
+			statusIcon = "[WARN]"
 		}
 
 		filename := truncate(archive.Name, 38)
@@ -351,7 +351,7 @@ func (m ArchiveBrowserModel) View() string {
 	s.WriteString(infoStyle.Render(fmt.Sprintf("Total: %d archive(s) | Selected: %d/%d",
 		len(m.archives), m.cursor+1, len(m.archives))))
 	s.WriteString("\n")
-	s.WriteString(infoStyle.Render("⌨️  ↑/↓: Navigate | Enter: Select | d: Diagnose | f: Filter | i: Info | Esc: Back"))
+	s.WriteString(infoStyle.Render("[KEY]  ↑/↓: Navigate | Enter: Select | d: Diagnose | f: Filter | i: Info | Esc: Back"))
 
 	return s.String()
 }

internal/tui/backup_exec.go

@@ -136,11 +136,11 @@ func executeBackupWithTUIProgress(parentCtx context.Context, cfg *config.Config,
 		var result string
 		switch backupType {
 		case "single":
-			result = fmt.Sprintf("✓ Single database backup of '%s' completed successfully in %v", dbName, elapsed)
+			result = fmt.Sprintf("[+] Single database backup of '%s' completed successfully in %v", dbName, elapsed)
 		case "sample":
-			result = fmt.Sprintf("✓ Sample backup of '%s' (ratio: %d) completed successfully in %v", dbName, ratio, elapsed)
+			result = fmt.Sprintf("[+] Sample backup of '%s' (ratio: %d) completed successfully in %v", dbName, ratio, elapsed)
 		case "cluster":
-			result = fmt.Sprintf("✓ Cluster backup completed successfully in %v", elapsed)
+			result = fmt.Sprintf("[+] Cluster backup completed successfully in %v", elapsed)
 		}
 
 		return backupCompleteMsg{
@@ -200,9 +200,9 @@ func (m BackupExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.err = msg.err
 		m.result = msg.result
 		if m.err == nil {
-			m.status = "✅ Backup completed successfully!"
+			m.status = "[OK] Backup completed successfully!"
 		} else {
-			m.status = fmt.Sprintf("❌ Backup failed: %v", m.err)
+			m.status = fmt.Sprintf("[FAIL] Backup failed: %v", m.err)
 		}
 		// Auto-forward in debug/auto-confirm mode
 		if m.config.TUIAutoConfirm {
@@ -216,7 +216,7 @@ func (m BackupExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			if !m.done && !m.cancelling {
 				// User requested cancellation - cancel the context
 				m.cancelling = true
-				m.status = "⏹️  Cancelling backup... (please wait)"
+				m.status = "[STOP]  Cancelling backup... (please wait)"
 				if m.cancel != nil {
 					m.cancel()
 				}
@@ -240,7 +240,7 @@ func (m BackupExecutionModel) View() string {
 
 	// Clear screen with newlines and render header
 	s.WriteString("\n\n")
-	header := titleStyle.Render("🔄 Backup Execution")
+	header := titleStyle.Render("[EXEC] Backup Execution")
 	s.WriteString(header)
 	s.WriteString("\n\n")
 
@@ -261,13 +261,13 @@ func (m BackupExecutionModel) View() string {
 			s.WriteString(fmt.Sprintf("  %s %s\n", spinnerFrames[m.spinnerFrame], m.status))
 		} else {
 			s.WriteString(fmt.Sprintf("  %s %s\n", spinnerFrames[m.spinnerFrame], m.status))
-			s.WriteString("\n  ⌨️  Press Ctrl+C or ESC to cancel\n")
+			s.WriteString("\n  [KEY]  Press Ctrl+C or ESC to cancel\n")
 		}
 	} else {
 		s.WriteString(fmt.Sprintf("  %s\n\n", m.status))
 
 		if m.err != nil {
-			s.WriteString(fmt.Sprintf("  ❌ Error: %v\n", m.err))
+			s.WriteString(fmt.Sprintf("  [FAIL] Error: %v\n", m.err))
 		} else if m.result != "" {
 			// Parse and display result cleanly
 			lines := strings.Split(m.result, "\n")
@@ -278,7 +278,7 @@ func (m BackupExecutionModel) View() string {
 				}
 			}
 		}
-		s.WriteString("\n  ⌨️  Press Enter or ESC to return to menu\n")
+		s.WriteString("\n  [KEY]  Press Enter or ESC to return to menu\n")
 	}
 
 	return s.String()

internal/tui/backup_manager.go

@@ -86,7 +86,7 @@ func (m BackupManagerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			// Verify archive
 			if len(m.archives) > 0 && m.cursor < len(m.archives) {
 				selected := m.archives[m.cursor]
-				m.message = fmt.Sprintf("🔍 Verifying %s...", selected.Name)
+				m.message = fmt.Sprintf("[SEARCH] Verifying %s...", selected.Name)
 				// In real implementation, would run verification
 			}
 
@@ -96,16 +96,16 @@ func (m BackupManagerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				selected := m.archives[m.cursor]
 				archivePath := selected.Path
 				confirm := NewConfirmationModelWithAction(m.config, m.logger, m,
-					"🗑️  Delete Archive",
+					"[DELETE]  Delete Archive",
 					fmt.Sprintf("Delete archive '%s'? This cannot be undone.", selected.Name),
 					func() (tea.Model, tea.Cmd) {
 						// Delete the archive
 						err := deleteArchive(archivePath)
 						if err != nil {
 							m.err = fmt.Errorf("failed to delete archive: %v", err)
-							m.message = fmt.Sprintf("❌ Failed to delete: %v", err)
+							m.message = fmt.Sprintf("[FAIL] Failed to delete: %v", err)
 						} else {
-							m.message = fmt.Sprintf("✅ Deleted: %s", selected.Name)
+							m.message = fmt.Sprintf("[OK] Deleted: %s", selected.Name)
 						}
 						// Refresh the archive list
 						m.loading = true
@@ -118,7 +118,7 @@ func (m BackupManagerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			// Show info
 			if len(m.archives) > 0 && m.cursor < len(m.archives) {
 				selected := m.archives[m.cursor]
-				m.message = fmt.Sprintf("📦 %s | %s | %s | Modified: %s",
+				m.message = fmt.Sprintf("[PKG] %s | %s | %s | Modified: %s",
 					selected.Name,
 					selected.Format.String(),
 					formatSize(selected.Size),
@@ -152,7 +152,7 @@ func (m BackupManagerModel) View() string {
 	var s strings.Builder
 
 	// Title
-	s.WriteString(titleStyle.Render("🗄️  Backup Archive Manager"))
+	s.WriteString(titleStyle.Render("[DB]  Backup Archive Manager"))
 	s.WriteString("\n\n")
 
 	if m.loading {
@@ -161,7 +161,7 @@ func (m BackupManagerModel) View() string {
 	}
 
 	if m.err != nil {
-		s.WriteString(errorStyle.Render(fmt.Sprintf("❌ Error: %v", m.err)))
+		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Error: %v", m.err)))
 		s.WriteString("\n\n")
 		s.WriteString(infoStyle.Render("Press Esc to go back"))
 		return s.String()
@@ -184,7 +184,7 @@ func (m BackupManagerModel) View() string {
 	s.WriteString(archiveHeaderStyle.Render(fmt.Sprintf("%-35s %-25s %-12s %-20s",
 		"FILENAME", "FORMAT", "SIZE", "MODIFIED")))
 	s.WriteString("\n")
-	s.WriteString(strings.Repeat("─", 95))
+	s.WriteString(strings.Repeat("-", 95))
 	s.WriteString("\n")
 
 	// Show archives (limit to visible area)
@@ -208,12 +208,12 @@ func (m BackupManagerModel) View() string {
 		}
 
 		// Status icon
-		statusIcon := "✓"
+		statusIcon := "[+]"
 		if !archive.Valid {
-			statusIcon = "✗"
+			statusIcon = "[-]"
 			style = archiveInvalidStyle
 		} else if time.Since(archive.Modified) > 30*24*time.Hour {
-			statusIcon = "⚠"
+			statusIcon = "[WARN]"
 		}
 
 		filename := truncate(archive.Name, 33)
@@ -240,7 +240,7 @@ func (m BackupManagerModel) View() string {
 
 	s.WriteString(infoStyle.Render(fmt.Sprintf("Selected: %d/%d", m.cursor+1, len(m.archives))))
 	s.WriteString("\n")
-	s.WriteString(infoStyle.Render("⌨️  ↑/↓: Navigate | r: Restore | v: Verify | d: Delete | i: Info | R: Refresh | Esc: Back"))
+	s.WriteString(infoStyle.Render("[KEY]  ↑/↓: Navigate | r: Restore | v: Verify | d: Delete | i: Info | R: Refresh | Esc: Back"))
 
 	return s.String()
 }

internal/tui/confirmation.go

@@ -129,7 +129,7 @@ func (m ConfirmationModel) View() string {
 		s.WriteString("  ")
 	}
 
-	s.WriteString("\n\n⌨️  ←/→: Select • Enter/y: Confirm • n/ESC: Cancel\n")
+	s.WriteString("\n\n[KEYS]  <-/->: Select | Enter/y: Confirm | n/ESC: Cancel\n")
 
 	return s.String()
 }

internal/tui/dbselector.go

@@ -109,7 +109,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 								return executor, executor.Init()
 							}
 							inputModel := NewInputModel(m.config, m.logger, m,
-								"📊 Sample Ratio",
+								"[STATS] Sample Ratio",
 								"Enter sample ratio (1-100):",
 								"10",
 								ValidateInt(1, 100))
@@ -152,7 +152,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				// If sample backup, ask for ratio first
 				if m.backupType == "sample" {
 					inputModel := NewInputModel(m.config, m.logger, m,
-						"📊 Sample Ratio",
+						"[STATS] Sample Ratio",
 						"Enter sample ratio (1-100):",
 						"10",
 						ValidateInt(1, 100))
@@ -176,12 +176,12 @@ func (m DatabaseSelectorModel) View() string {
 	s.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	if m.loading {
-		s.WriteString("⏳ Loading databases...\n")
+		s.WriteString("[WAIT] Loading databases...\n")
 		return s.String()
 	}
 
 	if m.err != nil {
-		s.WriteString(fmt.Sprintf("❌ Error: %v\n", m.err))
+		s.WriteString(fmt.Sprintf("[FAIL] Error: %v\n", m.err))
 		s.WriteString("\nPress ESC to go back\n")
 		return s.String()
 	}
@@ -203,7 +203,7 @@ func (m DatabaseSelectorModel) View() string {
 		s.WriteString(fmt.Sprintf("\n%s\n", m.message))
 	}
 
-	s.WriteString("\n⌨️  ↑/↓: Navigate • Enter: Select • ESC: Back • q: Quit\n")
+	s.WriteString("\n[KEYS]  Up/Down: Navigate | Enter: Select | ESC: Back | q: Quit\n")
 
 	return s.String()
 }

internal/tui/diagnose_view.go

@@ -160,7 +160,7 @@ func (m DiagnoseViewModel) View() string {
 	var s strings.Builder
 
 	// Header
-	s.WriteString(titleStyle.Render("🔍 Backup Diagnosis"))
+	s.WriteString(titleStyle.Render("[SEARCH] Backup Diagnosis"))
 	s.WriteString("\n\n")
 
 	// Archive info
@@ -175,14 +175,14 @@ func (m DiagnoseViewModel) View() string {
 	s.WriteString("\n\n")
 
 	if m.running {
-		s.WriteString(infoStyle.Render("⏳ " + m.progress))
+		s.WriteString(infoStyle.Render("[WAIT] " + m.progress))
 		s.WriteString("\n\n")
 		s.WriteString(diagnoseInfoStyle.Render("This may take a while for large archives..."))
 		return s.String()
 	}
 
 	if m.err != nil {
-		s.WriteString(errorStyle.Render(fmt.Sprintf("❌ Diagnosis failed: %v", m.err)))
+		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Diagnosis failed: %v", m.err)))
 		s.WriteString("\n\n")
 		s.WriteString(infoStyle.Render("Press Enter or Esc to go back"))
 		return s.String()
@@ -205,72 +205,72 @@ func (m DiagnoseViewModel) renderSingleResult(result *restore.DiagnoseResult) st
 	var s strings.Builder
 
 	// Status
-	s.WriteString(strings.Repeat("─", 60))
+	s.WriteString(strings.Repeat("-", 60))
 	s.WriteString("\n")
 
 	if result.IsValid {
-		s.WriteString(diagnosePassStyle.Render("✅ STATUS: VALID"))
+		s.WriteString(diagnosePassStyle.Render("[OK] STATUS: VALID"))
 	} else {
-		s.WriteString(diagnoseFailStyle.Render("❌ STATUS: INVALID"))
+		s.WriteString(diagnoseFailStyle.Render("[FAIL] STATUS: INVALID"))
 	}
 	s.WriteString("\n")
 
 	if result.IsTruncated {
-		s.WriteString(diagnoseFailStyle.Render("⚠️  TRUNCATED: File appears incomplete"))
+		s.WriteString(diagnoseFailStyle.Render("[WARN]  TRUNCATED: File appears incomplete"))
 		s.WriteString("\n")
 	}
 
 	if result.IsCorrupted {
-		s.WriteString(diagnoseFailStyle.Render("⚠️  CORRUPTED: File structure is damaged"))
+		s.WriteString(diagnoseFailStyle.Render("[WARN]  CORRUPTED: File structure is damaged"))
 		s.WriteString("\n")
 	}
 
-	s.WriteString(strings.Repeat("─", 60))
+	s.WriteString(strings.Repeat("-", 60))
 	s.WriteString("\n\n")
 
 	// Details
 	if result.Details != nil {
-		s.WriteString(diagnoseHeaderStyle.Render("📊 DETAILS:"))
+		s.WriteString(diagnoseHeaderStyle.Render("[STATS] DETAILS:"))
 		s.WriteString("\n")
 
 		if result.Details.HasPGDMPSignature {
-			s.WriteString(diagnosePassStyle.Render("  ✓ "))
+			s.WriteString(diagnosePassStyle.Render("  [+] "))
 			s.WriteString("Has PGDMP signature (custom format)\n")
 		}
 
 		if result.Details.HasSQLHeader {
-			s.WriteString(diagnosePassStyle.Render("  ✓ "))
+			s.WriteString(diagnosePassStyle.Render("  [+] "))
 			s.WriteString("Has PostgreSQL SQL header\n")
 		}
 
 		if result.Details.GzipValid {
-			s.WriteString(diagnosePassStyle.Render("  ✓ "))
+			s.WriteString(diagnosePassStyle.Render("  [+] "))
 			s.WriteString("Gzip compression valid\n")
 		}
 
 		if result.Details.PgRestoreListable {
-			s.WriteString(diagnosePassStyle.Render("  ✓ "))
+			s.WriteString(diagnosePassStyle.Render("  [+] "))
 			s.WriteString(fmt.Sprintf("pg_restore can list contents (%d tables)\n", result.Details.TableCount))
 		}
 
 		if result.Details.CopyBlockCount > 0 {
-			s.WriteString(diagnoseInfoStyle.Render("  • "))
+			s.WriteString(diagnoseInfoStyle.Render("  - "))
 			s.WriteString(fmt.Sprintf("Contains %d COPY blocks\n", result.Details.CopyBlockCount))
 		}
 
 		if result.Details.UnterminatedCopy {
-			s.WriteString(diagnoseFailStyle.Render("  ✗ "))
+			s.WriteString(diagnoseFailStyle.Render("  [-] "))
 			s.WriteString(fmt.Sprintf("Unterminated COPY block: %s (line %d)\n",
 				result.Details.LastCopyTable, result.Details.LastCopyLineNumber))
 		}
 
 		if result.Details.ProperlyTerminated {
-			s.WriteString(diagnosePassStyle.Render("  ✓ "))
+			s.WriteString(diagnosePassStyle.Render("  [+] "))
 			s.WriteString("All COPY blocks properly terminated\n")
 		}
 
 		if result.Details.ExpandedSize > 0 {
-			s.WriteString(diagnoseInfoStyle.Render("  • "))
+			s.WriteString(diagnoseInfoStyle.Render("  - "))
 			s.WriteString(fmt.Sprintf("Expanded size: %s (ratio: %.1fx)\n",
 				formatSize(result.Details.ExpandedSize), result.Details.CompressionRatio))
 		}
@@ -279,14 +279,14 @@ func (m DiagnoseViewModel) renderSingleResult(result *restore.DiagnoseResult) st
 	// Errors
 	if len(result.Errors) > 0 {
 		s.WriteString("\n")
-		s.WriteString(diagnoseFailStyle.Render("❌ ERRORS:"))
+		s.WriteString(diagnoseFailStyle.Render("[FAIL] ERRORS:"))
 		s.WriteString("\n")
 		for i, e := range result.Errors {
 			if i >= 5 {
 				s.WriteString(diagnoseInfoStyle.Render(fmt.Sprintf("  ... and %d more\n", len(result.Errors)-5)))
 				break
 			}
-			s.WriteString(diagnoseFailStyle.Render("  • "))
+			s.WriteString(diagnoseFailStyle.Render("  - "))
 			s.WriteString(truncate(e, 70))
 			s.WriteString("\n")
 		}
@@ -295,14 +295,14 @@ func (m DiagnoseViewModel) renderSingleResult(result *restore.DiagnoseResult) st
 	// Warnings
 	if len(result.Warnings) > 0 {
 		s.WriteString("\n")
-		s.WriteString(diagnoseWarnStyle.Render("⚠️  WARNINGS:"))
+		s.WriteString(diagnoseWarnStyle.Render("[WARN]  WARNINGS:"))
 		s.WriteString("\n")
 		for i, w := range result.Warnings {
 			if i >= 3 {
 				s.WriteString(diagnoseInfoStyle.Render(fmt.Sprintf("  ... and %d more\n", len(result.Warnings)-3)))
 				break
 			}
-			s.WriteString(diagnoseWarnStyle.Render("  • "))
+			s.WriteString(diagnoseWarnStyle.Render("  - "))
 			s.WriteString(truncate(w, 70))
 			s.WriteString("\n")
 		}
@@ -311,7 +311,7 @@ func (m DiagnoseViewModel) renderSingleResult(result *restore.DiagnoseResult) st
 	// Recommendations
 	if !result.IsValid {
 		s.WriteString("\n")
-		s.WriteString(diagnoseHeaderStyle.Render("💡 RECOMMENDATIONS:"))
+		s.WriteString(diagnoseHeaderStyle.Render("[HINT] RECOMMENDATIONS:"))
 		s.WriteString("\n")
 		if result.IsTruncated {
 			s.WriteString("  1. Re-run the backup process for this database\n")
@@ -341,17 +341,17 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 		}
 	}
 
-	s.WriteString(strings.Repeat("─", 60))
+	s.WriteString(strings.Repeat("-", 60))
 	s.WriteString("\n")
-	s.WriteString(diagnoseHeaderStyle.Render(fmt.Sprintf("📊 CLUSTER SUMMARY: %d databases\n", len(m.results))))
-	s.WriteString(strings.Repeat("─", 60))
+	s.WriteString(diagnoseHeaderStyle.Render(fmt.Sprintf("[STATS] CLUSTER SUMMARY: %d databases\n", len(m.results))))
+	s.WriteString(strings.Repeat("-", 60))
 	s.WriteString("\n\n")
 
 	if invalidCount == 0 {
-		s.WriteString(diagnosePassStyle.Render("✅ All dumps are valid"))
+		s.WriteString(diagnosePassStyle.Render("[OK] All dumps are valid"))
 		s.WriteString("\n\n")
 	} else {
-		s.WriteString(diagnoseFailStyle.Render(fmt.Sprintf("❌ %d/%d dumps have issues", invalidCount, len(m.results))))
+		s.WriteString(diagnoseFailStyle.Render(fmt.Sprintf("[FAIL] %d/%d dumps have issues", invalidCount, len(m.results))))
 		s.WriteString("\n\n")
 	}
 
@@ -378,13 +378,13 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 
 		var status string
 		if r.IsValid {
-			status = diagnosePassStyle.Render("✓")
+			status = diagnosePassStyle.Render("[+]")
 		} else if r.IsTruncated {
-			status = diagnoseFailStyle.Render("✗ TRUNCATED")
+			status = diagnoseFailStyle.Render("[-] TRUNCATED")
 		} else if r.IsCorrupted {
-			status = diagnoseFailStyle.Render("✗ CORRUPTED")
+			status = diagnoseFailStyle.Render("[-] CORRUPTED")
 		} else {
-			status = diagnoseFailStyle.Render("✗ INVALID")
+			status = diagnoseFailStyle.Render("[-] INVALID")
 		}
 
 		line := fmt.Sprintf("%s %s %-35s %s",
@@ -405,7 +405,7 @@ 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(strings.Repeat("-", 60))
 		s.WriteString("\n")
 		s.WriteString(diagnoseHeaderStyle.Render("Selected: " + selected.FileName))
 		s.WriteString("\n\n")
@@ -413,7 +413,7 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 		// Show condensed details for selected
 		if selected.Details != nil {
 			if selected.Details.UnterminatedCopy {
-				s.WriteString(diagnoseFailStyle.Render("  ✗ Unterminated COPY: "))
+				s.WriteString(diagnoseFailStyle.Render("  [-] Unterminated COPY: "))
 				s.WriteString(selected.Details.LastCopyTable)
 				s.WriteString(fmt.Sprintf(" (line %d)\n", selected.Details.LastCopyLineNumber))
 			}
@@ -429,7 +429,7 @@ func (m DiagnoseViewModel) renderClusterResults() string {
 				if i >= 2 {
 					break
 				}
-				s.WriteString(diagnoseFailStyle.Render("  • "))
+				s.WriteString(diagnoseFailStyle.Render("  - "))
 				s.WriteString(truncate(e, 55))
 				s.WriteString("\n")
 			}

internal/tui/dirpicker.go

@@ -208,7 +208,7 @@ func (dp *DirectoryPicker) View() string {
 	if dp.allowFiles {
 		pickerType = "File/Directory"
 	}
-	header := fmt.Sprintf("📁 %s Picker - %s", pickerType, dp.currentPath)
+	header := fmt.Sprintf("[DIR] %s Picker - %s", pickerType, dp.currentPath)
 	content.WriteString(dp.styles.Header.Render(header))
 	content.WriteString("\n\n")
 
@@ -216,13 +216,13 @@ func (dp *DirectoryPicker) View() string {
 	for i, item := range dp.items {
 		var prefix string
 		if item.Name == ".." {
-			prefix = "⬆️ "
+			prefix = "[UP] "
 		} else if item.Name == "Error reading directory" {
-			prefix = "❌ "
+			prefix = "[X] "
 		} else if item.IsDir {
-			prefix = "📁 "
+			prefix = "[DIR] "
 		} else {
-			prefix = "📄 "
+			prefix = "[FILE] "
 		}
 
 		line := prefix + item.Name
@@ -235,9 +235,9 @@ func (dp *DirectoryPicker) View() string {
 	}
 
 	// Help text
-	help := "\n↑/↓: Navigate • Enter: Open/Select File • s: Select Directory • q/Esc: Cancel"
+	help := "\nUp/Down: Navigate | Enter: Open/Select File | s: Select Directory | q/Esc: Cancel"
 	if !dp.allowFiles {
-		help = "\n↑/↓: Navigate • Enter: Open • s: Select Directory • q/Esc: Cancel"
+		help = "\nUp/Down: Navigate | Enter: Open | s: Select Directory | q/Esc: Cancel"
 	}
 	content.WriteString(dp.styles.Help.Render(help))
 

internal/tui/history.go

@@ -104,7 +104,7 @@ func loadHistory(cfg *config.Config) []HistoryEntry {
 			Type:      backupType,
 			Database:  database,
 			Timestamp: info.ModTime(),
-			Status:    "✅ Completed",
+			Status:    "[OK] Completed",
 			Filename:  name,
 		})
 	}
@@ -191,11 +191,11 @@ func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 func (m HistoryViewModel) View() string {
 	var s strings.Builder
 
-	header := titleStyle.Render("📜 Operation History")
+	header := titleStyle.Render("[HISTORY] Operation History")
 	s.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	if len(m.history) == 0 {
-		s.WriteString("📭 No backup history found\n\n")
+		s.WriteString("[EMPTY] No backup history found\n\n")
 	} else {
 		maxVisible := 15 // Show max 15 items at once
 
@@ -211,7 +211,7 @@ func (m HistoryViewModel) View() string {
 
 		// Show scroll indicators
 		if start > 0 {
-			s.WriteString("  ▲ More entries above...\n")
+			s.WriteString("  [^] More entries above...\n")
 		}
 
 		// Display only visible entries
@@ -233,13 +233,13 @@ func (m HistoryViewModel) View() string {
 
 		// Show scroll indicator if more entries below
 		if end < len(m.history) {
-			s.WriteString(fmt.Sprintf("  ▼ %d more entries below...\n", len(m.history)-end))
+			s.WriteString(fmt.Sprintf("  [v] %d more entries below...\n", len(m.history)-end))
 		}
 
 		s.WriteString("\n")
 	}
 
-	s.WriteString("⌨️  ↑/↓: Navigate • PgUp/PgDn: Jump • Home/End: First/Last • ESC: Back • q: Quit\n")
+	s.WriteString("[KEYS] Up/Down: Navigate - PgUp/PgDn: Jump - Home/End: First/Last - ESC: Back - q: Quit\n")
 
 	return s.String()
 }

internal/tui/input.go

@@ -137,10 +137,10 @@ func (m InputModel) View() string {
 	s.WriteString("\n\n")
 
 	if m.err != nil {
-		s.WriteString(errorStyle.Render(fmt.Sprintf("❌ Error: %v\n\n", m.err)))
+		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Error: %v\n\n", m.err)))
 	}
 
-	s.WriteString("⌨️  Type value • Enter: Confirm • ESC: Cancel\n")
+	s.WriteString("[KEYS]  Type value | Enter: Confirm | ESC: Cancel\n")
 
 	return s.String()
 }

internal/tui/menu.go

@@ -89,12 +89,12 @@ func NewMenuModel(cfg *config.Config, log logger.Logger) *MenuModel {
 			"Single Database Backup",
 			"Sample Database Backup (with ratio)",
 			"Cluster Backup (all databases)",
-			"────────────────────────────────",
+			"--------------------------------",
 			"Restore Single Database",
 			"Restore Cluster Backup",
 			"Diagnose Backup File",
 			"List & Manage Backups",
-			"────────────────────────────────",
+			"--------------------------------",
 			"View Active Operations",
 			"Show Operation History",
 			"Database Status & Health Check",
@@ -177,7 +177,7 @@ func (m *MenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			case 12: // Settings
 				return m.handleSettings()
 			case 13: // Clear History
-				m.message = "🗑️ History cleared"
+				m.message = "[DEL] History cleared"
 			case 14: // Quit
 				if m.cancel != nil {
 					m.cancel()
@@ -262,7 +262,7 @@ func (m *MenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			case 12: // Settings
 				return m.handleSettings()
 			case 13: // Clear History
-				m.message = "🗑️ History cleared"
+				m.message = "[DEL] History cleared"
 			case 14: // Quit
 				if m.cancel != nil {
 					m.cancel()
@@ -285,7 +285,7 @@ func (m *MenuModel) View() string {
 	var s string
 
 	// Header
-	header := titleStyle.Render("🗄️  Database Backup Tool - Interactive Menu")
+	header := titleStyle.Render("[DB]  Database Backup Tool - Interactive Menu")
 	s += fmt.Sprintf("\n%s\n\n", header)
 
 	if len(m.dbTypes) > 0 {
@@ -299,7 +299,7 @@ func (m *MenuModel) View() string {
 		}
 		selector := fmt.Sprintf("Target Engine: %s", strings.Join(options, menuStyle.Render("  |  ")))
 		s += dbSelectorLabelStyle.Render(selector) + "\n"
-		hint := infoStyle.Render("Switch with ←/→ or t • Cluster backup requires PostgreSQL")
+		hint := infoStyle.Render("Switch with <-/-> or t | Cluster backup requires PostgreSQL")
 		s += hint + "\n"
 	}
 
@@ -326,7 +326,7 @@ func (m *MenuModel) View() string {
 	}
 
 	// Footer
-	footer := infoStyle.Render("\n⌨️ Press ↑/↓ to navigate • Enter to select • q to quit")
+	footer := infoStyle.Render("\n[KEYS] Press Up/Down to navigate | Enter to select | q to quit")
 	s += footer
 
 	return s
@@ -334,20 +334,20 @@ 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, "🗄️  Single Database Backup", "single")
+	selector := NewDatabaseSelector(m.config, m.logger, m, m.ctx, "[DB]  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, "📊 Sample Database Backup", "sample")
+	selector := NewDatabaseSelector(m.config, m.logger, m, m.ctx, "[STATS] Sample Database Backup", "sample")
 	return selector, selector.Init()
 }
 
 // handleClusterBackup shows confirmation and executes cluster backup
 func (m *MenuModel) handleClusterBackup() (tea.Model, tea.Cmd) {
 	if !m.config.IsPostgreSQL() {
-		m.message = errorStyle.Render("❌ Cluster backup is available only for PostgreSQL targets")
+		m.message = errorStyle.Render("[FAIL] Cluster backup is available only for PostgreSQL targets")
 		return m, nil
 	}
 	// Skip confirmation in auto-confirm mode
@@ -356,7 +356,7 @@ func (m *MenuModel) handleClusterBackup() (tea.Model, tea.Cmd) {
 		return executor, executor.Init()
 	}
 	confirm := NewConfirmationModelWithAction(m.config, m.logger, m,
-		"🗄️  Cluster Backup",
+		"[DB]  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)
@@ -399,7 +399,7 @@ func (m *MenuModel) handleRestoreSingle() (tea.Model, tea.Cmd) {
 // handleRestoreCluster opens archive browser for cluster restore
 func (m *MenuModel) handleRestoreCluster() (tea.Model, tea.Cmd) {
 	if !m.config.IsPostgreSQL() {
-		m.message = errorStyle.Render("❌ Cluster restore is available only for PostgreSQL")
+		m.message = errorStyle.Render("[FAIL] Cluster restore is available only for PostgreSQL")
 		return m, nil
 	}
 	browser := NewArchiveBrowser(m.config, m.logger, m, m.ctx, "restore-cluster")
@@ -428,7 +428,7 @@ func (m *MenuModel) applyDatabaseSelection() {
 
 	selection := m.dbTypes[m.dbTypeCursor]
 	if err := m.config.SetDatabaseType(selection.value); err != nil {
-		m.message = errorStyle.Render(fmt.Sprintf("❌ %v", err))
+		m.message = errorStyle.Render(fmt.Sprintf("[FAIL] %v", err))
 		return
 	}
 
@@ -437,7 +437,7 @@ func (m *MenuModel) applyDatabaseSelection() {
 		m.config.Port = m.config.GetDefaultPort()
 	}
 
-	m.message = successStyle.Render(fmt.Sprintf("🔀 Target database set to %s", m.config.DisplayDatabaseType()))
+	m.message = successStyle.Render(fmt.Sprintf("[SWITCH] Target database set to %s", m.config.DisplayDatabaseType()))
 	if m.logger != nil {
 		m.logger.Info("updated target database type", "type", m.config.DatabaseType, "port", m.config.Port)
 	}

internal/tui/operations.go

@@ -49,14 +49,14 @@ func (m OperationsViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 func (m OperationsViewModel) View() string {
 	var s strings.Builder
 
-	header := titleStyle.Render("📊 Active Operations")
+	header := titleStyle.Render("[STATS] Active Operations")
 	s.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	s.WriteString("Currently running operations:\n\n")
-	s.WriteString(infoStyle.Render("📭 No active operations"))
+	s.WriteString(infoStyle.Render("[NONE] No active operations"))
 	s.WriteString("\n\n")
 
-	s.WriteString("⌨️  Press any key to return to menu\n")
+	s.WriteString("[KEYS]  Press any key to return to menu\n")
 
 	return s.String()
 }

internal/tui/restore_exec.go

@@ -285,7 +285,7 @@ func (m RestoreExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			if !m.done && !m.cancelling {
 				// User requested cancellation - cancel the context
 				m.cancelling = true
-				m.status = "⏹️  Cancelling restore... (please wait)"
+				m.status = "[STOP]  Cancelling restore... (please wait)"
 				m.phase = "Cancelling"
 				if m.cancel != nil {
 					m.cancel()
@@ -297,7 +297,7 @@ func (m RestoreExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case "q":
 			if !m.done && !m.cancelling {
 				m.cancelling = true
-				m.status = "⏹️  Cancelling restore... (please wait)"
+				m.status = "[STOP]  Cancelling restore... (please wait)"
 				m.phase = "Cancelling"
 				if m.cancel != nil {
 					m.cancel()
@@ -321,9 +321,9 @@ func (m RestoreExecutionModel) View() string {
 	s.Grow(512) // Pre-allocate estimated capacity for better performance
 
 	// Title
-	title := "💾 Restoring Database"
+	title := "[RESTORE] Restoring Database"
 	if m.restoreType == "restore-cluster" {
-		title = "💾 Restoring Cluster"
+		title = "[RESTORE] Restoring Cluster"
 	}
 	s.WriteString(titleStyle.Render(title))
 	s.WriteString("\n\n")
@@ -338,12 +338,12 @@ func (m RestoreExecutionModel) View() string {
 	if m.done {
 		// Show result
 		if m.err != nil {
-			s.WriteString(errorStyle.Render("❌ Restore Failed"))
+			s.WriteString(errorStyle.Render("[FAIL] Restore Failed"))
 			s.WriteString("\n\n")
 			s.WriteString(errorStyle.Render(fmt.Sprintf("Error: %v", m.err)))
 			s.WriteString("\n")
 		} else {
-			s.WriteString(successStyle.Render("✅ Restore Completed Successfully"))
+			s.WriteString(successStyle.Render("[OK] Restore Completed Successfully"))
 			s.WriteString("\n\n")
 			s.WriteString(successStyle.Render(m.result))
 			s.WriteString("\n")
@@ -351,7 +351,7 @@ func (m RestoreExecutionModel) View() string {
 
 		s.WriteString(fmt.Sprintf("\nElapsed Time: %s\n", formatDuration(m.elapsed)))
 		s.WriteString("\n")
-		s.WriteString(infoStyle.Render("⌨️  Press Enter to continue"))
+		s.WriteString(infoStyle.Render("[KEYS]  Press Enter to continue"))
 	} else {
 		// Show progress
 		s.WriteString(fmt.Sprintf("Phase: %s\n", m.phase))
@@ -373,7 +373,7 @@ func (m RestoreExecutionModel) View() string {
 		// Elapsed time
 		s.WriteString(fmt.Sprintf("Elapsed: %s\n", formatDuration(m.elapsed)))
 		s.WriteString("\n")
-		s.WriteString(infoStyle.Render("⌨️  Press Ctrl+C to cancel"))
+		s.WriteString(infoStyle.Render("[KEYS]  Press Ctrl+C to cancel"))
 	}
 
 	return s.String()

internal/tui/restore_preview.go

@@ -264,7 +264,7 @@ func (m RestorePreviewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				// Toggle cluster cleanup
 				m.cleanClusterFirst = !m.cleanClusterFirst
 				if m.cleanClusterFirst {
-					m.message = checkWarningStyle.Render(fmt.Sprintf("⚠️  Will drop %d existing database(s) before restore", m.existingDBCount))
+					m.message = checkWarningStyle.Render(fmt.Sprintf("[WARN] Will drop %d existing database(s) before restore", m.existingDBCount))
 				} else {
 					m.message = fmt.Sprintf("Clean cluster first: disabled")
 				}
@@ -278,7 +278,7 @@ func (m RestorePreviewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			// Toggle debug log saving
 			m.saveDebugLog = !m.saveDebugLog
 			if m.saveDebugLog {
-				m.message = infoStyle.Render("📋 Debug log: enabled (will save detailed report on failure)")
+				m.message = infoStyle.Render("[DEBUG] Debug log: enabled (will save detailed report on failure)")
 			} else {
 				m.message = "Debug log: disabled"
 			}
@@ -288,7 +288,7 @@ func (m RestorePreviewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			if m.workDir == "" {
 				// Set to backup directory as default alternative
 				m.workDir = m.config.BackupDir
-				m.message = infoStyle.Render(fmt.Sprintf("📁 Work directory set to: %s", m.workDir))
+				m.message = infoStyle.Render(fmt.Sprintf("[DIR] Work directory set to: %s", m.workDir))
 			} else {
 				// Clear work directory (use system temp)
 				m.workDir = ""
@@ -302,7 +302,7 @@ func (m RestorePreviewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			}
 
 			if !m.canProceed {
-				m.message = errorStyle.Render("❌ Cannot proceed - critical safety checks failed")
+				m.message = errorStyle.Render("[FAIL] Cannot proceed - critical safety checks failed")
 				return m, nil
 			}
 
@@ -319,15 +319,15 @@ func (m RestorePreviewModel) View() string {
 	var s strings.Builder
 
 	// Title
-	title := "🔍 Restore Preview"
+	title := "Restore Preview"
 	if m.mode == "restore-cluster" {
-		title = "🔍 Cluster Restore Preview"
+		title = "Cluster Restore Preview"
 	}
 	s.WriteString(titleStyle.Render(title))
 	s.WriteString("\n\n")
 
 	// Archive Information
-	s.WriteString(archiveHeaderStyle.Render("📦 Archive Information"))
+	s.WriteString(archiveHeaderStyle.Render("[ARCHIVE] Information"))
 	s.WriteString("\n")
 	s.WriteString(fmt.Sprintf("  File: %s\n", m.archive.Name))
 	s.WriteString(fmt.Sprintf("  Format: %s\n", m.archive.Format.String()))
@@ -340,25 +340,25 @@ func (m RestorePreviewModel) View() string {
 
 	// Target Information
 	if m.mode == "restore-single" {
-		s.WriteString(archiveHeaderStyle.Render("🎯 Target Information"))
+		s.WriteString(archiveHeaderStyle.Render("[TARGET] Information"))
 		s.WriteString("\n")
 		s.WriteString(fmt.Sprintf("  Database: %s\n", m.targetDB))
 		s.WriteString(fmt.Sprintf("  Host: %s:%d\n", m.config.Host, m.config.Port))
 
-		cleanIcon := "✗"
+		cleanIcon := "[N]"
 		if m.cleanFirst {
-			cleanIcon = "✓"
+			cleanIcon = "[Y]"
 		}
 		s.WriteString(fmt.Sprintf("  Clean First: %s %v\n", cleanIcon, m.cleanFirst))
 
-		createIcon := "✗"
+		createIcon := "[N]"
 		if m.createIfMissing {
-			createIcon = "✓"
+			createIcon = "[Y]"
 		}
 		s.WriteString(fmt.Sprintf("  Create If Missing: %s %v\n", createIcon, m.createIfMissing))
 		s.WriteString("\n")
 	} else if m.mode == "restore-cluster" {
-		s.WriteString(archiveHeaderStyle.Render("🎯 Cluster Restore Options"))
+		s.WriteString(archiveHeaderStyle.Render("[CLUSTER] Restore Options"))
 		s.WriteString("\n")
 		s.WriteString(fmt.Sprintf("  Host: %s:%d\n", m.config.Host, m.config.Port))
 
@@ -376,10 +376,10 @@ func (m RestorePreviewModel) View() string {
 				s.WriteString(fmt.Sprintf("    - %s\n", db))
 			}
 
-			cleanIcon := "✗"
+			cleanIcon := "[N]"
 			cleanStyle := infoStyle
 			if m.cleanClusterFirst {
-				cleanIcon = "✓"
+				cleanIcon = "[Y]"
 				cleanStyle = checkWarningStyle
 			}
 			s.WriteString(cleanStyle.Render(fmt.Sprintf("  Clean All First: %s %v (press 'c' to toggle)\n", cleanIcon, m.cleanClusterFirst)))
@@ -390,7 +390,7 @@ func (m RestorePreviewModel) View() string {
 	}
 
 	// Safety Checks
-	s.WriteString(archiveHeaderStyle.Render("🛡️  Safety Checks"))
+	s.WriteString(archiveHeaderStyle.Render("[SAFETY] Checks"))
 	s.WriteString("\n")
 
 	if m.checking {
@@ -398,21 +398,21 @@ func (m RestorePreviewModel) View() string {
 		s.WriteString("\n")
 	} else {
 		for _, check := range m.safetyChecks {
-			icon := "○"
+			icon := "[ ]"
 			style := checkPendingStyle
 
 			switch check.Status {
 			case "passed":
-				icon = "✓"
+				icon = "[+]"
 				style = checkPassedStyle
 			case "failed":
-				icon = "✗"
+				icon = "[-]"
 				style = checkFailedStyle
 			case "warning":
-				icon = "⚠"
+				icon = "[!]"
 				style = checkWarningStyle
 			case "checking":
-				icon = "⟳"
+				icon = "[~]"
 				style = checkPendingStyle
 			}
 
@@ -428,13 +428,13 @@ func (m RestorePreviewModel) View() string {
 
 	// Warnings
 	if m.cleanFirst {
-		s.WriteString(checkWarningStyle.Render("⚠️  Warning: Clean-first enabled"))
+		s.WriteString(checkWarningStyle.Render("[WARN] Warning: Clean-first enabled"))
 		s.WriteString("\n")
 		s.WriteString(infoStyle.Render("   All existing data in target database will be dropped!"))
 		s.WriteString("\n\n")
 	}
 	if m.cleanClusterFirst && m.existingDBCount > 0 {
-		s.WriteString(checkWarningStyle.Render("🔥 WARNING: Cluster cleanup enabled"))
+		s.WriteString(checkWarningStyle.Render("[DANGER] WARNING: Cluster cleanup enabled"))
 		s.WriteString("\n")
 		s.WriteString(checkWarningStyle.Render(fmt.Sprintf("   %d existing database(s) will be DROPPED before restore!", m.existingDBCount)))
 		s.WriteString("\n")
@@ -443,30 +443,30 @@ func (m RestorePreviewModel) View() string {
 	}
 
 	// Advanced Options
-	s.WriteString(archiveHeaderStyle.Render("⚙️  Advanced Options"))
+	s.WriteString(archiveHeaderStyle.Render("[OPTIONS] Advanced"))
 	s.WriteString("\n")
 
 	// Work directory option
-	workDirIcon := "✗"
+	workDirIcon := "[-]"
 	workDirStyle := infoStyle
 	workDirValue := "(system temp)"
 	if m.workDir != "" {
-		workDirIcon = "✓"
+		workDirIcon = "[+]"
 		workDirStyle = checkPassedStyle
 		workDirValue = m.workDir
 	}
 	s.WriteString(workDirStyle.Render(fmt.Sprintf("  %s Work Dir: %s (press 'w' to toggle)", workDirIcon, workDirValue)))
 	s.WriteString("\n")
 	if m.workDir == "" {
-		s.WriteString(infoStyle.Render("    ⚠️  Large archives need more space than /tmp may have"))
+		s.WriteString(infoStyle.Render("    [WARN] Large archives need more space than /tmp may have"))
 		s.WriteString("\n")
 	}
 
 	// Debug log option
-	debugIcon := "✗"
+	debugIcon := "[-]"
 	debugStyle := infoStyle
 	if m.saveDebugLog {
-		debugIcon = "✓"
+		debugIcon = "[+]"
 		debugStyle = checkPassedStyle
 	}
 	s.WriteString(debugStyle.Render(fmt.Sprintf("  %s Debug Log: %v (press 'd' to toggle)", debugIcon, m.saveDebugLog)))
@@ -485,25 +485,25 @@ func (m RestorePreviewModel) View() string {
 
 	// Footer
 	if m.checking {
-		s.WriteString(infoStyle.Render("⌨️  Please wait..."))
+		s.WriteString(infoStyle.Render("Please wait..."))
 	} else if m.canProceed {
-		s.WriteString(successStyle.Render("✅ Ready to restore"))
+		s.WriteString(successStyle.Render("[OK] Ready to restore"))
 		s.WriteString("\n")
 		if m.mode == "restore-single" {
-			s.WriteString(infoStyle.Render("⌨️  t: Clean-first | c: Create | w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
+			s.WriteString(infoStyle.Render("t: Clean-first | c: Create | w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
 		} else if m.mode == "restore-cluster" {
 			if m.existingDBCount > 0 {
-				s.WriteString(infoStyle.Render("⌨️  c: Cleanup | w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
+				s.WriteString(infoStyle.Render("c: Cleanup | w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
 			} else {
-				s.WriteString(infoStyle.Render("⌨️  w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
+				s.WriteString(infoStyle.Render("w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
 			}
 		} else {
-			s.WriteString(infoStyle.Render("⌨️  w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
+			s.WriteString(infoStyle.Render("w: WorkDir | d: Debug | Enter: Proceed | Esc: Cancel"))
 		}
 	} else {
-		s.WriteString(errorStyle.Render("❌ Cannot proceed - please fix errors above"))
+		s.WriteString(errorStyle.Render("[FAIL] Cannot proceed - please fix errors above"))
 		s.WriteString("\n")
-		s.WriteString(infoStyle.Render("⌨️  Esc: Go back"))
+		s.WriteString(infoStyle.Render("Esc: Go back"))
 	}
 
 	return s.String()

internal/tui/settings.go

@@ -459,9 +459,9 @@ func (m SettingsModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				if m.cursor < len(m.settings) {
 					setting := m.settings[m.cursor]
 					if err := setting.Update(m.config, selectedPath); err != nil {
-						m.message = "❌ Error: " + err.Error()
+						m.message = "[FAIL] Error: " + err.Error()
 					} else {
-						m.message = "✅ Directory updated: " + selectedPath
+						m.message = "[OK] Directory updated: " + selectedPath
 					}
 				}
 				m.browsingDir = false
@@ -500,9 +500,9 @@ func (m SettingsModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				currentSetting := m.settings[m.cursor]
 				if currentSetting.Type == "selector" {
 					if err := currentSetting.Update(m.config, ""); err != nil {
-						m.message = errorStyle.Render(fmt.Sprintf("❌ %s", err.Error()))
+						m.message = errorStyle.Render(fmt.Sprintf("[FAIL] %s", err.Error()))
 					} else {
-						m.message = successStyle.Render(fmt.Sprintf("✅ Updated %s", currentSetting.DisplayName))
+						m.message = successStyle.Render(fmt.Sprintf("[OK] Updated %s", currentSetting.DisplayName))
 					}
 					return m, nil
 				}
@@ -515,11 +515,11 @@ func (m SettingsModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 				if m.settings[m.cursor].Type == "path" {
 					return m.openDirectoryBrowser()
 				} else {
-					m.message = "❌ Tab key only works on directory path fields"
+					m.message = "[FAIL] Tab key only works on directory path fields"
 					return m, nil
 				}
 			} else {
-				m.message = "❌ Invalid selection"
+				m.message = "[FAIL] Invalid selection"
 				return m, nil
 			}
 
@@ -597,18 +597,18 @@ func (m SettingsModel) saveEditedValue() (tea.Model, tea.Cmd) {
 	}
 
 	if setting == nil {
-		m.message = errorStyle.Render("❌ Setting not found")
+		m.message = errorStyle.Render("[FAIL] Setting not found")
 		m.editing = false
 		return m, nil
 	}
 
 	// Update the configuration
 	if err := setting.Update(m.config, m.editingValue); err != nil {
-		m.message = errorStyle.Render(fmt.Sprintf("❌ %s", err.Error()))
+		m.message = errorStyle.Render(fmt.Sprintf("[FAIL] %s", err.Error()))
 		return m, nil
 	}
 
-	m.message = successStyle.Render(fmt.Sprintf("✅ Updated %s", setting.DisplayName))
+	m.message = successStyle.Render(fmt.Sprintf("[OK] Updated %s", setting.DisplayName))
 	m.editing = false
 	m.editingField = ""
 	m.editingValue = ""
@@ -628,7 +628,7 @@ func (m SettingsModel) resetToDefaults() (tea.Model, tea.Cmd) {
 	newConfig.DatabaseType = m.config.DatabaseType
 
 	*m.config = *newConfig
-	m.message = successStyle.Render("✅ Settings reset to defaults")
+	m.message = successStyle.Render("[OK] Settings reset to defaults")
 
 	return m, nil
 }
@@ -636,19 +636,19 @@ func (m SettingsModel) resetToDefaults() (tea.Model, tea.Cmd) {
 // saveSettings validates and saves current settings
 func (m SettingsModel) saveSettings() (tea.Model, tea.Cmd) {
 	if err := m.config.Validate(); err != nil {
-		m.message = errorStyle.Render(fmt.Sprintf("❌ Validation failed: %s", err.Error()))
+		m.message = errorStyle.Render(fmt.Sprintf("[FAIL] Validation failed: %s", err.Error()))
 		return m, nil
 	}
 
 	// Optimize CPU settings if auto-detect is enabled
 	if m.config.AutoDetectCores {
 		if err := m.config.OptimizeForCPU(); err != nil {
-			m.message = errorStyle.Render(fmt.Sprintf("❌ CPU optimization failed: %s", err.Error()))
+			m.message = errorStyle.Render(fmt.Sprintf("[FAIL] CPU optimization failed: %s", err.Error()))
 			return m, nil
 		}
 	}
 
-	m.message = successStyle.Render("✅ Settings validated and saved")
+	m.message = successStyle.Render("[OK] Settings validated and saved")
 	return m, nil
 }
 
@@ -671,11 +671,11 @@ func (m SettingsModel) cycleDatabaseType() (tea.Model, tea.Cmd) {
 
 	// Update config
 	if err := m.config.SetDatabaseType(newType); err != nil {
-		m.message = errorStyle.Render(fmt.Sprintf("❌ Failed to set database type: %s", err.Error()))
+		m.message = errorStyle.Render(fmt.Sprintf("[FAIL] Failed to set database type: %s", err.Error()))
 		return m, nil
 	}
 
-	m.message = successStyle.Render(fmt.Sprintf("✅ Database type set to %s", m.config.DisplayDatabaseType()))
+	m.message = successStyle.Render(fmt.Sprintf("[OK] Database type set to %s", m.config.DisplayDatabaseType()))
 	return m, nil
 }
 
@@ -688,7 +688,7 @@ func (m SettingsModel) View() string {
 	var b strings.Builder
 
 	// Header
-	header := titleStyle.Render("⚙️  Configuration Settings")
+	header := titleStyle.Render("[CFG]  Configuration Settings")
 	b.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	// Settings list
@@ -710,7 +710,7 @@ func (m SettingsModel) View() string {
 				}
 				line := fmt.Sprintf("%s %s: %s", cursor, setting.DisplayName, editValue)
 				b.WriteString(selectedStyle.Render(line))
-				b.WriteString(" ✏️")
+				b.WriteString(" [EDIT]")
 			} else {
 				line := fmt.Sprintf("%s %s: %s", cursor, setting.DisplayName, displayValue)
 				b.WriteString(selectedStyle.Render(line))
@@ -747,7 +747,7 @@ func (m SettingsModel) View() string {
 	// Current configuration summary
 	if !m.editing {
 		b.WriteString("\n")
-		b.WriteString(infoStyle.Render("📋 Current Configuration:"))
+		b.WriteString(infoStyle.Render("[LOG] Current Configuration:"))
 		b.WriteString("\n")
 
 		summary := []string{
@@ -775,16 +775,16 @@ func (m SettingsModel) View() string {
 	// Footer with instructions
 	var footer string
 	if m.editing {
-		footer = infoStyle.Render("\n⌨️  Type new value • Enter to save • Esc to cancel")
+		footer = infoStyle.Render("\n[KEYS]  Type new value | Enter to save | Esc to cancel")
 	} else {
 		if m.browsingDir {
-			footer = infoStyle.Render("\n⌨️  ↑/↓ navigate directories • Enter open • Space select • Tab/Esc back to settings")
+			footer = infoStyle.Render("\n[KEYS]  Up/Down navigate directories | Enter open | Space select | Tab/Esc back to settings")
 		} else {
 			// Show different help based on current selection
 			if m.cursor >= 0 && m.cursor < len(m.settings) && m.settings[m.cursor].Type == "path" {
-				footer = infoStyle.Render("\n⌨️  ↑/↓ navigate • Enter edit • Tab browse directories • 's' save • 'r' reset • 'q' menu")
+				footer = infoStyle.Render("\n[KEYS]  Up/Down navigate | Enter edit | Tab browse directories | 's' save | 'r' reset | 'q' menu")
 			} else {
-				footer = infoStyle.Render("\n⌨️  ↑/↓ navigate • Enter edit • 's' save • 'r' reset • 'q' menu • Tab=dirs on path fields only")
+				footer = infoStyle.Render("\n[KEYS]  Up/Down navigate | Enter edit | 's' save | 'r' reset | 'q' menu | Tab=dirs on path fields only")
 			}
 		}
 	}

internal/tui/status.go

@@ -160,25 +160,25 @@ func (m StatusViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 func (m StatusViewModel) View() string {
 	var s strings.Builder
 
-	header := titleStyle.Render("📊 Database Status & Health Check")
+	header := titleStyle.Render("[STATS] Database Status & Health Check")
 	s.WriteString(fmt.Sprintf("\n%s\n\n", header))
 
 	if m.loading {
-		spinner := []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"}
+		spinner := []string{"-", "\\", "|", "/"}
 		frame := int(time.Now().UnixMilli()/100) % len(spinner)
 		s.WriteString(fmt.Sprintf("%s Loading status information...\n", spinner[frame]))
 		return s.String()
 	}
 
 	if m.err != nil {
-		s.WriteString(errorStyle.Render(fmt.Sprintf("❌ Error: %v\n", m.err)))
+		s.WriteString(errorStyle.Render(fmt.Sprintf("[FAIL] Error: %v\n", m.err)))
 		s.WriteString("\n")
 	} else {
 		s.WriteString("Connection Status:\n")
 		if m.connected {
-			s.WriteString(successStyle.Render("  ✓ Connected\n"))
+			s.WriteString(successStyle.Render("  [+] Connected\n"))
 		} else {
-			s.WriteString(errorStyle.Render("  ✗ Disconnected\n"))
+			s.WriteString(errorStyle.Render("  [-] Disconnected\n"))
 		}
 		s.WriteString("\n")
 
@@ -193,9 +193,9 @@ func (m StatusViewModel) View() string {
 		}
 
 		s.WriteString("\n")
-		s.WriteString(successStyle.Render("✓ All systems operational\n"))
+		s.WriteString(successStyle.Render("[+] All systems operational\n"))
 	}
 
-	s.WriteString("\n⌨️  Press any key to return to menu\n")
+	s.WriteString("\n[KEYS]  Press any key to return to menu\n")
 	return s.String()
 }

internal/wal/pitr_config.go

@@ -99,8 +99,8 @@ func (pm *PITRManager) EnablePITR(ctx context.Context, archiveDir string) error
 		return fmt.Errorf("failed to update postgresql.conf: %w", err)
 	}
 
-	pm.log.Info("✅ PITR configuration updated successfully")
-	pm.log.Warn("⚠️  PostgreSQL restart required for changes to take effect")
+	pm.log.Info("[OK] PITR configuration updated successfully")
+	pm.log.Warn("[WARN]  PostgreSQL restart required for changes to take effect")
 	pm.log.Info("To restart PostgreSQL:")
 	pm.log.Info("  sudo systemctl restart postgresql")
 	pm.log.Info("  OR: sudo pg_ctlcluster <version> <cluster> restart")
@@ -132,8 +132,8 @@ func (pm *PITRManager) DisablePITR(ctx context.Context) error {
 		return fmt.Errorf("failed to update postgresql.conf: %w", err)
 	}
 
-	pm.log.Info("✅ PITR disabled successfully")
-	pm.log.Warn("⚠️  PostgreSQL restart required")
+	pm.log.Info("[OK] PITR disabled successfully")
+	pm.log.Warn("[WARN]  PostgreSQL restart required")
 
 	return nil
 }

internal/wal/timeline.go

@@ -361,7 +361,7 @@ func (tm *TimelineManager) FormatTimelineTree(history *TimelineHistory) string {
 
 	var sb strings.Builder
 	sb.WriteString("Timeline Branching Structure:\n")
-	sb.WriteString("═════════════════════════════\n\n")
+	sb.WriteString("=============================\n\n")
 
 	// Build tree recursively
 	tm.formatTimelineNode(&sb, history, 1, 0, "")
@@ -378,9 +378,9 @@ func (tm *TimelineManager) formatTimelineNode(sb *strings.Builder, history *Time
 
 	// Format current node
 	indent := strings.Repeat("  ", depth)
-	marker := "├─"
+	marker := "+-"
 	if depth == 0 {
-		marker = "●"
+		marker = "*"
 	}
 
 	sb.WriteString(fmt.Sprintf("%s%s Timeline %d", indent, marker, tl.TimelineID))