Polish operator UI task controls (#5427)

## Thinking Path

> - Paperclip orchestrates AI agents for zero-human companies
> - Operators spend most of their day scanning skills, routines, inbox
groups, and activity cards
> - Several small UI rough edges made those surfaces harder to scan or
easier to crash on real API payloads
> - These fixes are grouped together because they are low-risk operator
quality-of-life improvements rather than separate control-plane
contracts
> - This pull request polishes skills metadata, routine run-now access,
grouped issue creation defaults, monitor activity rendering, and
activity row identity layout
> - The benefit is a smoother board workflow with fewer small
interruptions while keeping the change set compact

## What Changed

- Improves company skill source display and the used-by agent list.
- Truncates long skill source paths and adds a copy affordance.
- Adds a row-level run-now button to the routines table.
- Adds grouped issue creation defaults for inbox issue groups and aligns
grouped add buttons to the right.
- Fixes `IssueMonitorActivityCard` when `monitorNextCheckAt` arrives as
an ISO string.
- Polishes activity row actor avatar/name layout by using the shared
avatar primitive.

## Verification

- `pnpm run preflight:workspace-links && pnpm exec vitest run
ui/src/pages/Routines.test.tsx ui/src/components/IssuesList.test.tsx
ui/src/lib/inbox.test.ts
ui/src/components/IssueMonitorActivityCard.test.tsx` — 91 passed.
- The routines test emitted the pre-existing Radix warning about missing
`DialogTitle`/description in dialog content; tests still passed.
- Pairwise merge checks against the other two PR branches reported no
textual conflicts.

## Risks

- Low: changes are UI-focused and covered by targeted component/lib
tests.
- Low-to-medium: activity row layout changes could affect dense feed
scanability; the implementation uses the shared avatar component and
keeps truncation behavior.

> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.

## Model Used

- OpenAI Codex coding agent, GPT-5 model family (`gpt-5`), tool-enabled
Paperclip heartbeat environment. Context window and internal reasoning
mode are not exposed by the runtime.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] If this change affects the UI, I have included before/after
screenshots
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>

ui/src/components/IssuesList.test.tsx

@@ -4,7 +4,7 @@ import { act } from "react";
 import { createRoot } from "react-dom/client";
 import type { AnchorHTMLAttributes, ReactNode } from "react";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
-import type { Issue } from "@paperclipai/shared";
+import type { Issue, Project } from "@paperclipai/shared";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { IssuesList } from "./IssuesList";
 import { TooltipProvider } from "@/components/ui/tooltip";
@@ -400,6 +400,70 @@ describe("IssuesList", () => {
     });
   });
 
+  it("uses workspace group defaults when creating an issue from a grouped section", async () => {
+    localStorage.setItem(
+      "paperclip:test-issues:company-1",
+      JSON.stringify({ groupBy: "workspace", sortField: "updated", sortDir: "desc" }),
+    );
+    mockInstanceSettingsApi.getExperimental.mockResolvedValue({ enableIsolatedWorkspaces: true });
+    mockExecutionWorkspacesApi.listSummaries.mockResolvedValue([
+      {
+        id: "execution-workspace-1",
+        name: "Feature Branch",
+        mode: "isolated_workspace",
+        projectWorkspaceId: "project-workspace-1",
+      },
+    ]);
+
+    const issue = createIssue({
+      id: "issue-workspace",
+      projectId: "project-1",
+      projectWorkspaceId: "project-workspace-1",
+      executionWorkspaceId: "execution-workspace-1",
+    });
+    const project = {
+      id: "project-1",
+      name: "Paperclip App",
+      color: null,
+      workspaces: [{ id: "project-workspace-1", name: "Primary workspace" }],
+      primaryWorkspace: { id: "project-workspace-1" },
+      executionWorkspacePolicy: { defaultProjectWorkspaceId: "project-workspace-1" },
+    } as Project;
+
+    const { root } = renderWithQueryClient(
+      <IssuesList
+        issues={[issue]}
+        agents={[]}
+        projects={[project]}
+        viewStateKey="paperclip:test-issues"
+        onUpdateIssue={() => undefined}
+      />,
+      container,
+    );
+
+    await waitForAssertion(() => {
+      const button = container.querySelector<HTMLButtonElement>('button[aria-label="New issue in Feature Branch"]');
+      expect(button).not.toBeNull();
+    });
+
+    await act(async () => {
+      const button = container.querySelector<HTMLButtonElement>('button[aria-label="New issue in Feature Branch"]');
+      button?.dispatchEvent(new MouseEvent("click", { bubbles: true }));
+      await Promise.resolve();
+    });
+
+    expect(dialogState.openNewIssue).toHaveBeenCalledWith({
+      executionWorkspaceId: "execution-workspace-1",
+      executionWorkspaceMode: "reuse_existing",
+      projectId: "project-1",
+      projectWorkspaceId: "project-workspace-1",
+    });
+
+    act(() => {
+      root.unmount();
+    });
+  });
+
   it("renders the opt-in sub-issue progress summary with workflow next-up linking", async () => {
     const doneIssue = createIssue({
       id: "issue-done",