fix(app): show search result counts (#42992)

packages/app/e2e/regression/session-timeline-tool-projection.spec.ts

@@ -83,6 +83,26 @@ test("labels all web search provider variants", async ({ page }) => {
   await expect(page.getByRole("button", { name: /^Web Search/ })).toBeVisible()
 })
 
+test("labels completed searches with result counts", async ({ page }) => {
+  const glob = "prt_glob_count"
+  const grep = "prt_grep_count"
+  await setupTimeline(page, {
+    messages: [
+      userMessage(),
+      assistantMessage([
+        toolPart(glob, "glob", "completed", { path: ".", pattern: "**/*.ts" }, { metadata: { count: 1 } }),
+        toolPart(grep, "grep", "completed", { path: ".", pattern: "value" }, { metadata: { matches: 12 } }),
+      ]),
+    ],
+  })
+
+  const group = page.locator(`[data-timeline-part-ids="${glob},${grep}"]`)
+  await group.locator('[data-slot="collapsible-trigger"]').click()
+  const rows = group.locator('[data-component="tool-trigger"]')
+  await expect(rows.nth(0)).toContainText("(1 match)")
+  await expect(rows.nth(1)).toContainText("(12 matches)")
+})
+
 test("labels V2 read tools from their path input", async ({ page }) => {
   const id = "prt_read_path"
   await setupTimeline(page, {

packages/session-ui/src/components/message-part.tsx

@@ -866,6 +866,12 @@ function contextToolTrigger(part: ToolPart, i18n: ReturnType<typeof useI18n>) {
   const include = typeof input.include === "string" ? input.include : undefined
   const offset = typeof input.offset === "number" ? input.offset : undefined
   const limit = typeof input.limit === "number" ? input.limit : undefined
+  const metadata = "metadata" in part.state ? part.state.metadata : undefined
+  const count = part.tool === "glob" ? metadata?.count : part.tool === "grep" ? metadata?.matches : undefined
+  const matches =
+    typeof count === "number" && Number.isFinite(count) && count !== 0
+      ? i18n.plural("ui.messagePart.context.match", count)
+      : undefined
 
   switch (part.tool) {
     case "read": {
@@ -887,12 +893,13 @@ function contextToolTrigger(part: ToolPart, i18n: ReturnType<typeof useI18n>) {
       return {
         title: i18n.t("ui.tool.glob"),
         subtitle: getDirectory(path),
-        args: pattern ? ["pattern=" + pattern] : [],
+        args: [...(pattern ? ["pattern=" + pattern] : []), ...(matches ? [matches] : [])],
       }
     case "grep": {
       const args: string[] = []
       if (pattern) args.push("pattern=" + pattern)
       if (include) args.push("include=" + include)
+      if (matches) args.push(matches)
       return {
         title: i18n.t("ui.tool.grep"),
         subtitle: getDirectory(path),

packages/ui/src/i18n/en.ts

@@ -108,6 +108,8 @@ const source = {
   "ui.messagePart.context.search.other": "{{count}} searches",
   "ui.messagePart.context.list.one": "{{count}} list",
   "ui.messagePart.context.list.other": "{{count}} lists",
+  "ui.messagePart.context.match.one": "({{count}} match)",
+  "ui.messagePart.context.match.other": "({{count}} matches)",
 
   "ui.list.loading": "Loading",
   "ui.list.empty": "No results",