test: add test for search with special characters

Tests searching with dots, colons, hyphens, and parentheses.
Currently fails on SQLite due to FTS5 syntax interpretation.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/database/database_test.go

@@ -266,6 +266,29 @@ func testOptionsSearch(t *testing.T, store Store) {
 	if len(results) > 2 {
 		t.Errorf("Expected at most 2 results, got %d", len(results))
 	}
+
+	// Search with special characters (dots) - should not cause syntax errors
+	results, err = store.SearchOptions(ctx, rev.ID, "services.nginx", SearchFilters{})
+	if err != nil {
+		t.Fatalf("SearchOptions with dots failed: %v", err)
+	}
+	if len(results) < 1 {
+		t.Errorf("Expected at least 1 result for 'services.nginx', got %d", len(results))
+	}
+
+	// Search with other special characters
+	specialQueries := []string{
+		"services.nginx.enable",
+		"nginx:package",
+		"web-server",
+		"(nginx)",
+	}
+	for _, q := range specialQueries {
+		_, err = store.SearchOptions(ctx, rev.ID, q, SearchFilters{})
+		if err != nil {
+			t.Errorf("SearchOptions with special query %q failed: %v", q, err)
+		}
+	}
 }
 
 func testOptionChildren(t *testing.T, store Store) {