chat-messages: add timeline tool registry with HITL-aware fallback.

surfsense_web/features/chat-messages/timeline/tool-registry/adapt-props.ts

@@ -0,0 +1,23 @@
+import type { ToolCallItem } from "../types";
+import type { TimelineToolProps } from "./types";
+
+/**
+ * Lossless mapping ``ToolCallItem → TimelineToolProps``. Pure;
+ * extracts only the fields tool components actually consume.
+ *
+ * ``id``, ``kind``, ``items``, ``spanId``, ``thinkingStepId`` are
+ * intentionally dropped — they're timeline-internal concerns (React
+ * key, dispatch, indentation, back-correlation) that tool components
+ * have no reason to see.
+ */
+export function adaptItemToProps(item: ToolCallItem): TimelineToolProps {
+	return {
+		toolCallId: item.toolCallId,
+		toolName: item.toolName,
+		args: item.args,
+		argsText: item.argsText,
+		result: item.result,
+		langchainToolCallId: item.langchainToolCallId,
+		status: item.status,
+	};
+}