fix: add Note field to InstalledPackageItem for PreInstall→PostInstall context passing (#602)

* Initial plan

* Add Note field to InstalledPackageItem and pass it from PreInstall to PostInstall

Co-authored-by: aooohan <40265686+aooohan@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: aooohan <40265686+aooohan@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -10,3 +10,4 @@ coverage.out
 **/.available.cache
 
 .vfox/vfox
+/vfox

internal/plugin/model.go

@@ -115,6 +115,7 @@ type InstalledPackageItem struct {
 	Path    string `json:"path"`
 	Version string `json:"version"`
 	Name    string `json:"name"`
+	Note    string `json:"note"` // optional, additional note from PreInstall
 }
 
 type EnvKeysHookCtx struct {

internal/plugin/model_test.go

@@ -90,3 +90,31 @@ func TestPreInstallPackageItem_Checksum(t *testing.T) {
 		}
 	})
 }
+
+func TestInstalledPackageItem_Note(t *testing.T) {
+	t.Run("InstalledPackageItem includes Note field", func(t *testing.T) {
+		item := &InstalledPackageItem{
+			Name:    "test-sdk",
+			Version: "1.0.0",
+			Path:    "/path/to/sdk",
+			Note:    "This is a test note",
+		}
+
+		if item.Note != "This is a test note" {
+			t.Errorf("Expected note 'This is a test note', got '%s'", item.Note)
+		}
+	})
+
+	t.Run("InstalledPackageItem with empty Note", func(t *testing.T) {
+		item := &InstalledPackageItem{
+			Name:    "test-sdk",
+			Version: "1.0.0",
+			Path:    "/path/to/sdk",
+			Note:    "",
+		}
+
+		if item.Note != "" {
+			t.Errorf("Expected empty note, got '%s'", item.Note)
+		}
+	})
+}

internal/sdk/sdk.go

@@ -220,6 +220,7 @@ func (b *impl) Install(version Version) error {
 		Name:    mainSdk.Name,
 		Version: mainSdk.Version,
 		Path:    path,
+		Note:    mainSdk.Note,
 	}
 	if len(installInfo.Addition) > 0 {
 		pterm.Printf("There are %d additional files that need to be downloaded...\n", len(installInfo.Addition))
@@ -232,6 +233,7 @@ func (b *impl) Install(version Version) error {
 				Name:    oSdk.Name,
 				Version: oSdk.Version,
 				Path:    path,
+				Note:    oSdk.Note,
 			}
 		}
 	}