test(01-02): add failing tests for provider schema validation and registry

pkg/storage/db_test.go

@@ -0,0 +1,23 @@
+package storage_test
+
+import (
+	"testing"
+)
+
+// TestDBOpen verifies SQLite database opens and creates schema.
+// Stub: will be implemented when db.go exists (Plan 03).
+func TestDBOpen(t *testing.T) {
+	t.Skip("stub — implement after db.go exists")
+}
+
+// TestEncryptDecryptRoundtrip verifies AES-256-GCM encrypt/decrypt roundtrip.
+// Stub: will be implemented when encrypt.go exists (Plan 03).
+func TestEncryptDecryptRoundtrip(t *testing.T) {
+	t.Skip("stub — implement after encrypt.go exists")
+}
+
+// TestArgon2KeyDerivation verifies Argon2id produces 32-byte key deterministically.
+// Stub: will be implemented when crypto.go exists (Plan 03).
+func TestArgon2KeyDerivation(t *testing.T) {
+	t.Skip("stub — implement after crypto.go exists")
+}