feat(debug): multi-architecture debugger support for arm64, riscv64, loong64

Assisted-by: MiMo V2.5 Pro

debug/debug_test.go

@@ -1,6 +1,8 @@
 // Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
 // SPDX-License-Identifier: BSD-3-Clause
 
+//go:build linux && amd64
+
 package debug
 
 import (
@@ -273,6 +275,7 @@ func TestBreakpointInfo(t *testing.T) {
 }
 
 func TestWatchpointSlotTracking(t *testing.T) {
+	wpSlots = [4]bool{} // reset
 	s := &Session{}
 
 	// All four slots are free initially.
@@ -286,8 +289,8 @@ func TestWatchpointSlotTracking(t *testing.T) {
 	}
 
 	// Manually mark slots 0 and 2 as used (simulating successful SetWatchpoint).
-	s.wpSlots[0] = true
-	s.wpSlots[2] = true
+	wpSlots[0] = true
+	wpSlots[2] = true
 
 	if !s.IsWatchpointSlotUsed(0) {
 		t.Error("slot 0 should be in use")
@@ -315,7 +318,7 @@ func TestWatchpointSlotTracking(t *testing.T) {
 
 	// Mark all slots used: FindFreeWatchpointSlot returns -1.
 	for i := 0; i < 4; i++ {
-		s.wpSlots[i] = true
+		wpSlots[i] = true
 	}
 	if got := s.FindFreeWatchpointSlot(); got != -1 {
 		t.Errorf("FindFreeWatchpointSlot() with all slots used = %d, want -1", got)