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

packages/agent/gui/shared/agentConversation/components/useAgentTranscriptEditRetryProjection.ts

@@ -0,0 +1,74 @@
+import { useMemo } from "react";
+import type { AgentConversationVM } from "../contracts/agentConversationVM";
+import type { AgentUserMessageEditRetryControl } from "./AgentUserMessageEditRetry";
+
+export interface AgentTranscriptEditRetryControl extends AgentUserMessageEditRetryControl {
+  agentSessionId: string;
+  eligibleTurnId: string;
+}
+
+export function editRetryControlsEqual(
+  previous: AgentTranscriptEditRetryControl | undefined,
+  next: AgentTranscriptEditRetryControl | undefined
+): boolean {
+  return (
+    previous === next ||
+    (previous?.agentSessionId === next?.agentSessionId &&
+      previous?.eligibleTurnId === next?.eligibleTurnId &&
+      previous?.pending === next?.pending &&
+      previous?.onSubmit === next?.onSubmit &&
+      previous?.labels.edit === next?.labels.edit &&
+      previous?.labels.cancel === next?.labels.cancel &&
+      previous?.labels.submit === next?.labels.submit)
+  );
+}
+
+export function useAgentTranscriptEditRetryProjection(
+  rows: readonly AgentConversationVM["rows"][number][],
+  agentSessionId: string,
+  editRetry: AgentTranscriptEditRetryControl | undefined
+): {
+  editableUserMessageRowId: string | null;
+  scopedEditRetry: AgentTranscriptEditRetryControl | undefined;
+} {
+  const scopedEditRetry =
+    editRetry?.agentSessionId.trim() === agentSessionId.trim()
+      ? editRetry
+      : undefined;
+  return {
+    editableUserMessageRowId: useAgentTranscriptEditRetryRowId(
+      rows,
+      scopedEditRetry?.eligibleTurnId
+    ),
+    scopedEditRetry
+  };
+}
+
+export function useAgentTranscriptEditRetryRowId(
+  rows: readonly AgentConversationVM["rows"][number][],
+  eligibleTurnId: string | undefined
+): string | null {
+  return useMemo(
+    () => resolveAgentTranscriptEditRetryRowId(rows, eligibleTurnId),
+    [eligibleTurnId, rows]
+  );
+}
+
+export function resolveAgentTranscriptEditRetryRowId(
+  rows: readonly AgentConversationVM["rows"][number][],
+  eligibleTurnId: string | undefined
+): string | null {
+  if (!eligibleTurnId) {
+    return null;
+  }
+  return (
+    rows.find(
+      (row) =>
+        row.kind === "message" &&
+        row.speaker === "user" &&
+        row.turnId === eligibleTurnId &&
+        row.rawFirstTextBlock !== null &&
+        row.rawFirstTextBlock !== undefined
+    )?.id ?? null
+  );
+}