test(09-02): task runs tab E2E tests

[devin-ai-integration]

Adds E2E tests for the Task Runs tab on the combined Runs page (/runs).

What's new

New test file ui-v2/e2e/runs/runs-task-runs.spec.ts with 3 serial tests:

1. Deep-link to Task Runs tab — navigates to /runs?tab=task-runs, verifies the tab is active and URL param is preserved
2. Task runs list rendering — verifies a task run name, "Completed" state badge, and flow run breadcrumb link are visible
3. Click-to-detail navigation — clicks the task run name link and verifies navigation to /runs/task-run/:id

Test data is created via runSimpleTask() in beforeAll, which executes a real Python @flow/@task via subprocess.

Updates since last revision

• Scoped state badge assertion: The "Completed" check was originally page.getByText("Completed").first() (global). Now scoped to the specific task run's listitem via getByRole("listitem").filter({ has: getByRole("link", { name: taskRunName }) }), so it won't false-positive from unrelated rows.

Notes for review

• Tests pass locally against a running Prefect server with Playwright.
• The flow run name breadcrumb link assertion (getByRole("link", { name: flowRunName })) is page-scoped rather than row-scoped. This is lower risk since flow run names are unique, but could be tightened if desired.
• Only the flow run name breadcrumb is asserted, not the flow name breadcrumb (plan called for both).

Checklist

• This pull request references any related issue by including "closes <link to issue>"
  • If no issue exists and your change is not a small fix, please create an issue first.
• If this pull request adds new functionality, it includes unit tests that cover the changes
• If this pull request removes docs files, it includes redirect settings in mint.json.
• If this pull request adds functions or classes, it includes helpful docstrings.

Link to Devin run: https://app.devin.ai/sessions/190c2cfaed5e4903980bc28276ffd539
Requested by: @desertaxle

[devin-ai-integration]

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Scope state assertion to the target task-run row

The assertion page.getByText("Completed").first() is global, so it can pass when any unrelated "Completed" label is present on the page (for example from older runs), even if the created taskRunName row is not completed. In that scenario the test gives a false positive and fails to catch regressions in the task-run row state rendering; the check should be tied to the row/link for the specific task run under test.

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[devin-ai-integration]

Good catch. Fixed in 3f74698 — now scoped to the specific listitem containing the task run link:

const taskRunRow = page
    .getByRole("listitem")
    .filter({ has: page.getByRole("link", { name: taskRunName }) });
await expect(taskRunRow.getByText("Completed")).toBeVisible();