feat(agent): omit resume documents from the copied conversation json

apps/web/src/routes/agent/-components/agent-chat.test.tsx

@@ -5,7 +5,7 @@ import { fireEvent, render, screen, within } from "@testing-library/react";
 import { beforeAll, describe, expect, it, vi } from "vitest";
 import { i18n } from "@lingui/core";
 import { I18nProvider } from "@lingui/react";
-import { AskUserQuestion, AssistantMarkdown } from "./agent-chat";
+import { AskUserQuestion, AssistantMarkdown, withoutResumeDataForExport } from "./agent-chat";
 
 describe("AssistantMarkdown", () => {
 	it("renders GitHub-style pipe tables as tables", () => {
@@ -27,6 +27,47 @@ describe("AssistantMarkdown", () => {
 	});
 });
 
+describe("withoutResumeDataForExport", () => {
+	it("strips the resume document from tool outputs but keeps everything else", () => {
+		const messages = [
+			{
+				id: "m1",
+				role: "assistant",
+				parts: [
+					{
+						type: "tool-read_resume",
+						toolCallId: "c1",
+						state: "output-available",
+						input: {},
+						output: { id: "r1", updatedAt: "2026-08-20T00:00:00.000Z", data: { basics: { name: "John" } } },
+					},
+					{
+						type: "tool-apply_resume_patch",
+						toolCallId: "c2",
+						state: "output-available",
+						input: { title: "Edit" },
+						output: { actionId: "a1", changedPaths: ["/basics/name"], resume: { basics: { name: "John" } } },
+					},
+					{ type: "text", text: "Done." },
+				],
+			},
+		] as unknown as UIMessage[];
+
+		const exported = withoutResumeDataForExport(messages);
+
+		const exportedParts = (exported[0]?.parts ?? []) as Array<{ output?: Record<string, unknown> }>;
+		expect(exportedParts[0]?.output?.data).toBe("[resume data omitted]");
+		expect(exportedParts[0]?.output?.updatedAt).toBe("2026-08-20T00:00:00.000Z");
+		expect(exportedParts[1]?.output?.resume).toBe("[resume data omitted]");
+		expect(exportedParts[1]?.output?.changedPaths).toEqual(["/basics/name"]);
+		expect(exported[0]?.parts[2]).toEqual({ type: "text", text: "Done." });
+
+		// The live chat state is never mutated — only the copied structure is redacted.
+		const originalParts = (messages[0]?.parts ?? []) as Array<{ output?: Record<string, unknown> }>;
+		expect(originalParts[0]?.output?.data).toEqual({ basics: { name: "John" } });
+	});
+});
+
 const questionPart = {
 	type: "tool-ask_user_question",
 	toolCallId: "call-1",

apps/web/src/routes/agent/-components/agent-chat.tsx

@@ -200,6 +200,33 @@ type AgentChatComposerProps = {
 
 const ANSWER_FIELD = "answer";
 
+const OMITTED_RESUME_DATA = "[resume data omitted]";
+
+// "Copy JSON" is for sharing/debugging a conversation; the full resume document embedded in every
+// read_resume result (`output.data`) and fresh-document patch result (`output.resume`) would make
+// the export enormous and repetitive. Strip those two payloads; everything else copies verbatim.
+export function withoutResumeDataForExport(messages: UIMessage[]): UIMessage[] {
+	return messages.map((message) => ({
+		...message,
+		parts: message.parts.map((part) => {
+			if (part.type !== "tool-read_resume" && part.type !== "tool-apply_resume_patch") return part;
+
+			const output = "output" in part && typeof part.output === "object" && part.output ? part.output : null;
+			if (!output) return part;
+			const outputRecord = output as Record<string, unknown>;
+
+			if (part.type === "tool-read_resume" && "data" in outputRecord) {
+				return { ...part, output: { ...outputRecord, data: OMITTED_RESUME_DATA } } as UIMessage["parts"][number];
+			}
+			if (part.type === "tool-apply_resume_patch" && "resume" in outputRecord) {
+				return { ...part, output: { ...outputRecord, resume: OMITTED_RESUME_DATA } } as UIMessage["parts"][number];
+			}
+
+			return part;
+		}),
+	}));
+}
+
 function toRecord(value: unknown) {
 	return typeof value === "object" && value !== null ? (value as Record<string, unknown>) : null;
 }
@@ -994,7 +1021,7 @@ export function AgentChat({
 					chatStatus: status,
 					isReadOnly,
 					readOnlyReason,
-					messages,
+					messages: withoutResumeDataForExport(messages),
 					actions,
 				},
 				null,