Remove lattice

Author: JoannaaKL

pkg/github/context_tools_test.go

@@ -191,7 +191,7 @@ func Test_GetMe_IFC_InsidersMode(t *testing.T) {
 		err = json.Unmarshal(ifcJSON, &ifcMap)
 		require.NoError(t, err)
 
-		assert.Equal(t, "high", ifcMap["integrity"])
+		assert.Equal(t, "trusted", ifcMap["integrity"])
 		confList, ok := ifcMap["confidentiality"].([]any)
 		require.True(t, ok, "confidentiality should be a list")
 		require.Len(t, confList, 1)

pkg/ifc/ifc.go

@@ -0,0 +1,29 @@
+// Package ifc provides Information Flow Control labels for annotating MCP tool outputs.
+// The actual IFC enforcement engine lives in a separate service; this package only
+// defines the label schema used for annotations.
+package ifc
+
+type Integrity string
+
+const (
+	IntegrityTrusted   Integrity = "trusted"
+	IntegrityUntrusted Integrity = "untrusted"
+)
+
+type Confidentiality string
+
+const (
+	ConfidentialityPublic Confidentiality = "public"
+)
+
+type SecurityLabel struct {
+	Integrity       Integrity         `json:"integrity"`
+	Confidentiality []Confidentiality `json:"confidentiality"`
+}
+
+func LabelGetMe() SecurityLabel {
+	return SecurityLabel{
+		Integrity:       IntegrityTrusted,
+		Confidentiality: []Confidentiality{ConfidentialityPublic},
+	}
+}