chore: initial commit of ai site platform

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/internal/agentcap/modpath_test.go

@@ -0,0 +1,28 @@
+package agentcap
+
+import "testing"
+
+func TestSealOpenModulePath(t *testing.T) {
+	secret := "test-secret"
+	token, filePath, err := SealModulePath(secret, 1, 42, "settlement")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if filePath != "m/"+token {
+		t.Fatalf("filePath=%s", filePath)
+	}
+	claim, err := OpenModulePath(secret, token)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if claim.TenantID != 1 || claim.OwnerID != 42 || claim.Slug != "settlement" {
+		t.Fatalf("%+v", claim)
+	}
+	claim2, err := OpenModulePath(secret, filePath)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if claim2.Slug != "settlement" {
+		t.Fatalf("%+v", claim2)
+	}
+}