fix(v2): show read and search tool activity accurately

apps/mobile/src/features/threads/thread-work-log.tsx

@@ -370,6 +370,8 @@ function workRowSymbolName(icon: ThreadFeedActivity["icon"]): AppSymbolName {
       return { ios: "eye", android: "visibility" };
     case "globe":
       return { ios: "globe", android: "public" };
+    case "search":
+      return "magnifyingglass";
     case "hammer":
       return { ios: "hammer", android: "construction" };
     case "lock":

apps/mobile/src/lib/threadActivity.test.ts

@@ -20,6 +20,7 @@ import {
   type OrchestrationV2TurnItem,
 } from "@t3tools/contracts";
 import { resolveUserMessagePresentation } from "@t3tools/client-runtime/user-message";
+import { summarizeToolGroup } from "@t3tools/client-runtime/work-log/presentation";
 import * as DateTime from "effect/DateTime";
 import { describe, expect, it } from "vite-plus/test";
 
@@ -59,6 +60,79 @@ it("keeps historical plan detail accessible from its paged turn item", () => {
   expect(activity?.getFullDetail()).toContain("Full historical plan text");
 });
 
+it("shows only the structured path in expanded mobile read details", () => {
+  const item: OrchestrationV2TurnItem = {
+    ...base("read-detail", "2026-06-20T00:00:03.000Z", 2),
+    type: "dynamic_tool",
+    toolName: "Read",
+    title: "Read src/env.ts",
+    input: { path: "src/env.ts" },
+    output: "---\nname: env\n---\nsecret content",
+  };
+  const activity = buildThreadFeed([projected(item, 0)]).flatMap((entry) =>
+    entry.type === "activity-group" ? entry.activities : [],
+  )[0];
+
+  expect(activity?.getFullDetail()).toBe("src/env.ts");
+  expect(activity?.canExpand).toBe(true);
+  expect(activity?.getCopyText()).not.toContain("secret content");
+  expect(activity?.getFullDetail()).not.toContain("sourceThreadId");
+
+  const withoutPath = buildThreadFeed([
+    projected({ ...item, id: TurnItemId.make("read-without-path"), input: {} }, 0),
+  ]).flatMap((entry) => (entry.type === "activity-group" ? entry.activities : []))[0];
+  expect(withoutPath?.getFullDetail()).toBeNull();
+  expect(withoutPath?.canExpand).toBe(false);
+});
+
+it("labels file searches with the adapter title and its search target", () => {
+  const item: OrchestrationV2TurnItem = {
+    ...base("file-search", "2026-06-20T00:00:03.000Z", 2),
+    type: "file_search",
+    title: "Searched TODO in web",
+    pattern: "TODO",
+  };
+  const activity = buildThreadFeed([projected(item, 0)]).flatMap((entry) =>
+    entry.type === "activity-group" ? entry.activities : [],
+  )[0];
+
+  expect(activity?.summary).toBe("Searched TODO in web");
+  expect(activity ? workEntryRowLabel(activity.workEntry) : null).toBe("Searched TODO in web");
+});
+
+it("keeps approval prompts rather than presenting them as tool work", () => {
+  const approval = (
+    id: string,
+    requestKind: "file-read" | "command" | "file-change",
+    ordinal: number,
+  ) =>
+    ({
+      ...base(id, `2026-06-20T00:00:0${ordinal}.000Z`, ordinal),
+      type: "approval_request",
+      requestId: RuntimeRequestId.make(`request-${id}`),
+      requestKind,
+      prompt: `Allow ${requestKind}?`,
+    }) satisfies OrchestrationV2TurnItem;
+  const feed = buildThreadFeed([
+    projected(approval("approve-read", "file-read", 1), 0),
+    projected(approval("approve-command", "command", 2), 1),
+    projected(approval("approve-edit", "file-change", 3), 2),
+  ]);
+  const activities = feed.flatMap((entry) =>
+    entry.type === "activity-group" ? entry.activities : [],
+  );
+
+  expect(activities.map((activity) => workEntryRowLabel(activity.workEntry))).toEqual([
+    "Allow file-read?",
+    "Allow command?",
+    "Allow file-change?",
+  ]);
+  expect(activities[0]?.canExpand).toBe(true);
+  expect(
+    summarizeToolGroup(activities.slice(1).map((activity) => activity.workEntry)).summary,
+  ).not.toMatch(/Ran|changed/);
+});
+
 function base(id: string, updatedAt: string, ordinal: number) {
   const timestamp = DateTime.makeUnsafe(updatedAt);
   return {
@@ -2049,6 +2123,21 @@ it("uses a compact reasoning preview and a short expanded heading", () => {
   expect(workEntryRowLabel({ ...entry, toolLifecycleStatus: "completed" }, true)).toBe("Thought");
 });
 
+it("keeps search output in expanded details rather than the compact label", () => {
+  const entry = {
+    id: "search",
+    label: "Grep",
+    toolTitle: "Grep",
+    createdAt: "2026-09-17T12:00:00Z",
+    itemType: "dynamic_tool" as const,
+    tone: "tool" as const,
+    detail: "---\nfile body",
+    toolData: {},
+  };
+  expect(workEntryRowLabel(entry)).toBe("Grep");
+  expect(workEntryRowLabel(entry, true)).toBe("---\nfile body");
+});
+
 it.each(["First paragraph.\n\nSecond paragraph.", ""])(
   "previews live reasoning text %j",
   (text) => {

apps/mobile/src/lib/threadActivity.ts

@@ -45,9 +45,15 @@ import type {
   ScheduledTaskId,
 } from "@t3tools/contracts";
 import { RunId, ThreadId } from "@t3tools/contracts";
+import {
+  classifyToolActivity,
+  collectToolFilePaths,
+  computerUseToolTitle,
+  formatReadToolLabel,
+  formatSearchToolLabel,
+} from "@t3tools/shared/toolActivity";
 import { formatDuration } from "@t3tools/shared/orchestrationTiming";
 import { compactDynamicToolOutput } from "@t3tools/shared/toolOutput";
-import { computerUseToolTitle } from "@t3tools/shared/toolActivity";
 import * as DateTime from "effect/DateTime";
 
 export type PendingApproval = ThreadPendingApproval;
@@ -80,6 +86,7 @@ export interface ThreadFeedActivity {
     | "edit"
     | "eye"
     | "globe"
+    | "search"
     | "hammer"
     | "lock"
     | "message"
@@ -206,9 +213,32 @@ export function workEntryRowLabel(entry: WorkLogPresentationEntry, expanded = fa
   const presentation = resolveWorkEntryToolPresentation(entry);
   if (presentation) return presentation.displayName;
   if (entry.command?.trim()) return compactWorkEntryText(commandDisplayText(entry.command));
+  const action = toolGroupAction(entry);
+  const isToolRead = action === "read" && entry.itemType === "dynamic_tool";
+  if (action === "code-search" || action === "search") {
+    const toolData =
+      entry.toolData !== null &&
+      typeof entry.toolData === "object" &&
+      !Array.isArray(entry.toolData)
+        ? (entry.toolData as Record<string, unknown>)
+        : undefined;
+    // Adapters title file searches with their target; the item keeps only the pattern.
+    const searchLabel =
+      entry.itemType === "file_search" ? entry.label : formatSearchToolLabel(toolData);
+    if (searchLabel) return searchLabel;
+  }
+  if (isToolRead) {
+    const [firstPath] = entry.changedFiles ?? collectToolFilePaths(entry.toolData);
+    if (firstPath) {
+      return formatReadToolLabel(firstPath, Math.max(0, (entry.changedFiles?.length ?? 1) - 1));
+    }
+    if (!expanded) return "Read file";
+  }
   const preview =
     entry.command ??
-    entry.detail ??
+    (isToolRead || (!expanded && (action === "code-search" || action === "search"))
+      ? null
+      : entry.detail) ??
     (entry.changedFiles?.length
       ? entry.changedFiles.length === 1
         ? entry.changedFiles[0]!
@@ -414,6 +444,16 @@ function itemWorkLogTone(item: OrchestrationV2TurnItem): WorkLogPresentationEntr
 
 function itemIcon(item: OrchestrationV2TurnItem): ThreadFeedActivity["icon"] {
   if (item.type === "notification") return "zap";
+  if (item.type === "dynamic_tool") {
+    const classified = classifyToolActivity({
+      itemType: "dynamic_tool_call",
+      data: { toolName: item.toolName ?? undefined, input: item.input },
+    });
+    if (classified === "read") {
+      return "eye";
+    }
+    if (classified === "search") return "search";
+  }
   switch (item.type) {
     case "reasoning":
       return "agent";
@@ -422,7 +462,7 @@ function itemIcon(item: OrchestrationV2TurnItem): ThreadFeedActivity["icon"] {
     case "file_change":
       return "edit";
     case "file_search":
-      return "eye";
+      return "search";
     case "web_search":
       return "globe";
     case "approval_request":
@@ -486,7 +526,7 @@ function itemSummary(
         ? `Changed ${item.changes.length} files`
         : `Changed ${item.fileName}`;
     case "file_search":
-      return "Searched files";
+      return item.title?.trim() || formatSearchToolLabel(item) || "Searched files";
     case "web_search":
       return "Searched the web";
     case "approval_request":
@@ -507,8 +547,20 @@ function itemSummary(
       return "Thread forked";
     case "thread_created":
       return "Thread created";
-    case "dynamic_tool":
+    case "dynamic_tool": {
+      const classified = classifyToolActivity({
+        itemType: "dynamic_tool_call",
+        data: { toolName: item.toolName ?? undefined, input: item.input },
+      });
+      if (classified === "read") {
+        const [path] = collectToolFilePaths({ input: item.input });
+        return formatReadToolLabel(path ?? "");
+      }
+      if (classified === "search") {
+        return formatSearchToolLabel({ input: item.input }) ?? item.toolName ?? "Tool call";
+      }
       return toolPresentation?.displayName ?? item.toolName ?? "Tool call";
+    }
     case "proposed_plan":
       return "Proposed plan";
     case "todo_list":
@@ -651,8 +703,15 @@ function toFeedActivity(
   const detail = item.type === "notification" ? null : itemPreview(item);
   const createdAt = DateTime.formatIso(item.startedAt ?? item.updatedAt);
   const workEntry = toWorkLogEntry(item, createdAt, summary, detail);
-  const getFullDetail = memoizeValue(() =>
-    JSON.stringify(
+  const readPaths =
+    item.type === "dynamic_tool" && toolGroupAction(workEntry) === "read"
+      ? collectToolFilePaths(item)
+      : null;
+  const getFullDetail = memoizeValue(() => {
+    if (readPaths) {
+      return readPaths.join("\n") || null;
+    }
+    return JSON.stringify(
       {
         visibility: row.visibility,
         sourceThreadId: row.sourceThreadId,
@@ -661,8 +720,8 @@ function toFeedActivity(
       },
       null,
       2,
-    ),
-  );
+    );
+  });
   const getCopyText = memoizeValue(() =>
     [summary, detail, getFullDetail()]
       .filter(
@@ -678,7 +737,7 @@ function toFeedActivity(
     attemptId,
     summary,
     detail,
-    canExpand: !(item.type === "error" && item.status === "failed"),
+    canExpand: !(item.type === "error" && item.status === "failed") && (readPaths?.length ?? 1) > 0,
     getFullDetail,
     getCopyText,
     icon: workEntry.toolSurface ?? itemIcon(item),

apps/server/scripts/acp-mock-agent.ts

@@ -1054,6 +1054,23 @@ const program = Effect.gen(function* () {
               },
             ],
           },
+          {
+            sessionUpdate: "tool_call_update",
+            toolCallId: "structured-read",
+            title: "Read `src/env.ts`",
+            kind: "read",
+            status: "completed",
+            rawInput: { path: "src/env.ts" },
+            locations: [{ path: "src/env.ts" }],
+          },
+          {
+            sessionUpdate: "tool_call_update",
+            toolCallId: "structured-search",
+            title: "Grep",
+            kind: "search",
+            status: "completed",
+            rawInput: { query: "TODO", path: "apps/web" },
+          },
           {
             sessionUpdate: "compaction_update",
             compactionId: "compact-1",

apps/server/src/orchestration-v2/Adapters/AcpAdapterV2.test.ts

@@ -1335,6 +1335,16 @@ describe("AcpAdapterV2", () => {
             item.changes[0]?.oldPath === "/workspace/old.ts",
         ),
       );
+      const read = items.find((item) => item.type === "dynamic_tool" && item.toolName === "Read");
+      assert.deepEqual(
+        read?.type === "dynamic_tool" ? { title: read.title, input: read.input } : null,
+        { title: "Read src/env.ts", input: { path: "src/env.ts" } },
+      );
+      const search = items.find((item) => item.type === "file_search");
+      assert.deepEqual(
+        search?.type === "file_search" ? { title: search.title, pattern: search.pattern } : null,
+        { title: "Searched TODO in web", pattern: "apps/web" },
+      );
       const completedCompaction = items.find(
         (item) =>
           item.type === "compaction" &&

apps/server/src/orchestration-v2/Adapters/AcpAdapterV2.ts

@@ -55,6 +55,7 @@ import * as EffectAcpErrors from "effect-acp/errors";
 import type * as EffectAcpProtocol from "effect-acp/protocol";
 import type * as EffectAcpSchema from "effect-acp/compat";
 
+import { formatReadToolLabel, formatSearchToolLabel } from "@t3tools/shared/toolActivity";
 import { resolveAttachmentPath } from "../../attachmentStore.ts";
 import { ServerConfig } from "../../config.ts";
 import {
@@ -3251,9 +3252,28 @@ export function makeAcpAdapterV2(options: AcpAdapterV2Options): ProviderAdapterV
           } else {
             switch (toolCall.kind) {
               case "read":
+                turnItem = {
+                  ...base,
+                  title: path ? formatReadToolLabel(path) : (title ?? "Read file"),
+                  type: "dynamic_tool",
+                  toolName: "Read",
+                  input:
+                    path === undefined ||
+                    ["path", "filePath", "file_path"].some((key) => rawInputRecord?.[key] === path)
+                      ? (rawInputRecord ?? {})
+                      : { ...rawInputRecord, path },
+                  ...(rawOutput === undefined ? {} : { output: rawOutput }),
+                };
+                break;
               case "search":
                 turnItem = {
                   ...base,
+                  title:
+                    formatSearchToolLabel({
+                      rawInput: rawInputRecord,
+                      input: rawInputRecord,
+                      ...(path === undefined ? {} : { pattern: path }),
+                    }) ?? title,
                   type: "file_search",
                   ...(path === undefined ? {} : { pattern: path }),
                   ...(path === undefined

apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.test.ts

@@ -2762,6 +2762,7 @@ describe("ClaudeAdapterV2 background wake turns", () => {
       const tools = [
         { id: "image", name: "Read", input: { file_path: " /workspace/reference.png " } },
         { id: "text", name: "Read", input: { file_path: "/workspace/README.md" } },
+        { id: "search", name: "Grep", input: { pattern: "TODO", path: "/workspace/src" } },
         {
           id: "write",
           name: "Write",
@@ -2823,6 +2824,15 @@ describe("ClaudeAdapterV2 background wake turns", () => {
       assert.equal(image?.type, "dynamic_tool");
       if (image?.type === "dynamic_tool")
         assert.equal(image.viewedImagePath, "/workspace/reference.png");
+      assert.equal(image?.title, "Read /workspace/reference.png");
+      assert.equal(
+        items.find((item) => item.nativeItemRef?.nativeId === "text")?.title,
+        "Read /workspace/README.md",
+      );
+      assert.equal(
+        items.find((item) => item.nativeItemRef?.nativeId === "search")?.title,
+        "Searched TODO in src",
+      );
       for (const item of items.filter((item) => item.nativeItemRef?.nativeId !== "image"))
         assert.notProperty(item, "viewedImagePath");
     }).pipe(Effect.scoped, Effect.provide(Layer.mergeAll(NodeServices.layer, idAllocatorLayer))),