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/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()
 }