Add chat-side CRM diff panel with keep/rollback flow

Frontend/server/agent/crmAgent.ts

@@ -5,6 +5,7 @@ import { prisma } from "../utils/prisma";
 import { datasetRoot } from "../dataset/paths";
 import { ensureDataset } from "../dataset/exporter";
 import { runLangGraphCrmAgentFor } from "./langgraphCrmAgent";
+import type { ChangeSet } from "../utils/changeSet";
 
 type ContactIndexRow = {
   id: string;
@@ -243,6 +244,7 @@ export async function persistChatMessage(input: {
     output: string;
     at: string;
   }>;
+  changeSet?: ChangeSet | null;
   teamId: string;
   conversationId: string;
   authorUserId?: string | null;
@@ -251,7 +253,8 @@ export async function persistChatMessage(input: {
     (input.plan && input.plan.length) ||
       (input.tools && input.tools.length) ||
       (input.thinking && input.thinking.length) ||
-      (input.toolRuns && input.toolRuns.length),
+      (input.toolRuns && input.toolRuns.length) ||
+      input.changeSet,
   );
   const data: Prisma.ChatMessageCreateInput = {
     team: { connect: { id: input.teamId } },
@@ -265,6 +268,7 @@ export async function persistChatMessage(input: {
           tools: input.tools ?? [],
           thinking: input.thinking ?? input.plan ?? [],
           toolRuns: input.toolRuns ?? [],
+          changeSet: input.changeSet ?? null,
         } as any)
       : undefined,
   };