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/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))
 		}
 	}