源码快照 @ 2026-09-01 (source-only, 剔除非源码素材)

packages/agent/gui/shared/agentConversation/projection/useProjectedAgentConversation.ts

@@ -0,0 +1,41 @@
+import { useMemo, useRef } from "react";
+import type { AgentConversationVM } from "../contracts/agentConversationVM";
+import type { WorkspaceAgentSessionDetailViewModel } from "../../workspaceAgentSessionDetailViewModel";
+import {
+  projectAgentConversationVM,
+  reconcileProjectedAgentConversationVM
+} from "./agentConversationProjection";
+
+export function useProjectedAgentConversation({
+  conversation,
+  detail,
+  avoidGroupingEdits = false
+}: {
+  conversation?: AgentConversationVM | null;
+  detail?: WorkspaceAgentSessionDetailViewModel | null;
+  avoidGroupingEdits?: boolean;
+}): AgentConversationVM | null {
+  const previousConversationRef = useRef<AgentConversationVM | null>(null);
+
+  return useMemo(() => {
+    if (!conversation && !detail) {
+      previousConversationRef.current = null;
+      return null;
+    }
+
+    const nextConversation =
+      conversation ??
+      projectAgentConversationVM(
+        detail as WorkspaceAgentSessionDetailViewModel,
+        {
+          avoidGroupingEdits
+        }
+      );
+    const reconciledConversation = reconcileProjectedAgentConversationVM(
+      previousConversationRef.current,
+      nextConversation
+    );
+    previousConversationRef.current = reconciledConversation;
+    return reconciledConversation;
+  }, [avoidGroupingEdits, conversation, detail]);
+}