diff --git a/apps/portal/src/components/ProfilePicker.stories.tsx b/apps/portal/src/components/ProfilePicker.stories.tsx
new file mode 100644
index 000000000..2c6c0b542
--- /dev/null
+++ b/apps/portal/src/components/ProfilePicker.stories.tsx
@@ -0,0 +1,48 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import type { Meta, StoryObj } from "@storybook/react-vite";
+import { expect, userEvent } from "storybook/test";
+
+import { ProfilePicker } from "./ProfilePicker";
+import type { ProfileWithVersion } from "@/types";
+
+const longName = "A descriptive profile name that should remain visible whenever the picker has enough room to show it in full";
+const profile: ProfileWithVersion = {
+  _id: "profile-1",
+  name: longName,
+  latestVersion: 1,
+  createdAt: "2026-01-01T00:00:00.000Z",
+  version: {
+    _id: "profile-version-1",
+    profileId: "profile-1",
+    version: 1,
+    workerType: "coder-acp-copilot",
+    model: "gpt-5.6-sol",
+    createdAt: "2026-01-01T00:00:00.000Z",
+  },
+};
+
+const meta = {
+  component: ProfilePicker,
+  args: {
+    profiles: [profile],
+    selectedProfileId: null,
+    onSelect: () => {},
+  },
+  decorators: [(Story) => (
+    <div className="w-[800px] max-w-full">
+      <Story />
+    </div>
+  )],
+} satisfies Meta<typeof ProfilePicker>;
+
+export default meta;
+type Story = StoryObj<typeof meta>;
+
+export const LongName: Story = {
+  play: async ({ canvas }) => {
+    await userEvent.click(canvas.getByPlaceholderText("Search existing profiles…"));
+    await expect(canvas.getByText(longName)).toHaveAttribute("title", longName);
+  },
+};
diff --git a/apps/portal/src/components/ProfilePicker.tsx b/apps/portal/src/components/ProfilePicker.tsx
index f2ea003b8..8064b8b7c 100644
--- a/apps/portal/src/components/ProfilePicker.tsx
+++ b/apps/portal/src/components/ProfilePicker.tsx
@@ -6,7 +6,6 @@ import { Check, Search } from "lucide-react";
 
 import type { ProfileWithVersion } from "@/types";
 import { Input } from "@/components/ui/input";
-import { truncate } from "@/lib/utils";
 import { AgentBadge } from "@/components/AgentBadge";
 
 interface ProfilePickerProps {
@@ -139,7 +138,9 @@ export function ProfilePicker({
                   onClick={() => handleSelect(profile._id)}
                 >
                   <p className="flex items-center justify-between gap-2 font-medium">
-                    {truncate(profile.name, 80)}
+                    <span className="min-w-0 flex-1 truncate" title={profile.name}>
+                      {profile.name}
+                    </span>
                     {isSelected && <Check className="h-4 w-4 shrink-0" />}
                   </p>
                   <div className="flex items-center gap-1 text-xs text-muted-foreground">
diff --git a/docs/architecture/app-design.md b/docs/architecture/app-design.md
index f1a243262..b49c45da5 100644
--- a/docs/architecture/app-design.md
+++ b/docs/architecture/app-design.md
@@ -461,6 +461,9 @@ resubmission resolves a currently active version unless a version is explicitly
 pinned. Invalid historical pending targets stay pending and produce scheduler
 telemetry rather than being sent to a guessed queue.
 
+The Portal profile picker shows full profile names when space permits and clips
+only at the available width; hovering a clipped name reveals the full name.
+
 When a codebase is selected, the API resolves the submitted spec (`codebaseRevisionId`, `{slug}@r{N}`, or bare `{slug}`) before enqueueing. Bare archive slugs resolve to the latest existing revision; bare Git slugs resolve the default branch at submit time and create a new immutable revision. The resolved revision UUID is stored as `RequestDocument.codebaseRevisionId`, and workers seed the workspace from that revision after setup and before skills extraction.
 
 Profile fan-out mode is also supported for comparative runs: