fix(test): use mockmcp.exe on Windows for go build -o output

exec.Command requires a .exe path on windows-latest CI; without it the
built binary path is not recognized as executable.

Made-with: Cursor

Author: leo-aa88

internal/tools/mcp/mcp_test.go

@@ -4,14 +4,19 @@ import (
 	"context"
 	"os/exec"
 	"path/filepath"
+	"runtime"
 	"testing"
 
 	"github.com/LAA-Software-Engineering/agentic-control-plane/internal/spec"
 )
 
 func mockMCPExecutable(t *testing.T) string {
 	t.Helper()
-	out := filepath.Join(t.TempDir(), "mockmcp")
+	name := "mockmcp"
+	if runtime.GOOS == "windows" {
+		name += ".exe"
+	}
+	out := filepath.Join(t.TempDir(), name)
 	cmd := exec.Command("go", "build", "-o", out, "./testdata/mockmcp")
 	cmd.Dir = "."
 	if b, err := cmd.CombinedOutput(); err != nil {

internal/tools/tools_test.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"os/exec"
 	"path/filepath"
+	"runtime"
 	"testing"
 
 	"github.com/LAA-Software-Engineering/agentic-control-plane/internal/spec"
@@ -79,7 +80,11 @@ func TestParseUses_githubExample(t *testing.T) {
 
 func mockMCPBinaryFromTools(t *testing.T) string {
 	t.Helper()
-	out := filepath.Join(t.TempDir(), "mockmcp")
+	name := "mockmcp"
+	if runtime.GOOS == "windows" {
+		name += ".exe"
+	}
+	out := filepath.Join(t.TempDir(), name)
 	cmd := exec.Command("go", "build", "-o", out, "./mcp/testdata/mockmcp")
 	cmd.Dir = "."
 	if b, err := cmd.CombinedOutput(); err != nil {