[AutomatedTester]

What changed

• hugo.toml: replaced the banner_flag / announcement_banner booleans with a
  [params.announcement] table holding text, url, link_text, start and end (ISO dates),
  preceded by a comment explaining usage. The current values are the 2026 conference text with
  end = "2026-10-01", so nothing renders until someone sets a future window.
• New partial layouts/partials/announcement-active.html returns true only when the build date
  is within [start, end] (both inclusive; end is treated as the end of that day). It returns
  false when text, start or end are missing.
• layouts/partials/announcement-banner.html now renders text, and url + link_text (default
  "Learn more") when a URL is set, instead of hard-coded conference copy. It also checks the active
  partial itself, so it is safe to include from anywhere.
• layouts/partials/navbar.html includes the banner via the new active check.
• layouts/shortcodes/blocks/section.html used banner_flag to decide whether to add a 50px top
  margin on the first section; it now uses the same active check so the margin fallback still works.

Why

Plan item A3: the banner text was hard-coded in a template and toggled by config flags someone had to
remember to switch off, which is why the site was still thanking people for attending a past
conference. A config-driven banner with a date window expires on its own.

Acceptance criteria

• [params.announcement] with text, url, link_text, start, end.
• Partial renders only when now is within [start, end]. Verified by building once with
  end = "2026-10-12" (today) — banner present on index.html — and once with
  end = "2026-10-01" — banner absent and the 50px margin fallback applied.
• Old banner_flag / announcement_banner flags removed (no remaining references in layouts).
• Params left in place with a past end date and a usage comment.
• Note: the window is evaluated at build time (static site), so a banner appears/disappears on the
  next deploy, not at midnight. The comment in hugo.toml says so.

Translated pages affected

none

Checks run

• Site build (Hugo, vendored Docsy): no WARN or ERROR lines, in both the "inside window" and
  "outside window" configurations.
• grep of generated index.html for announcement-banner in both states as described above.

Disclosure

Prepared with Claude (Anthropic); the author reviewed and edited all content.

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[AutomatedTester]

Superseded: the Phase 1 items are being regrouped into one PR per workstream to make the layout easier to review as a whole. This branch's commit is carried over unchanged.

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Generated by Claude Code

[AutomatedTester]

Reopened. Part of the selenium.dev modernisation set; see #2912 for the full list and suggested review order.

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Generated by Claude Code

[rpallavisharma]

good change.. thanks David. @AutomatedTester

[diemol]

@AutomatedTester can you please resolve the conflicts?

[AutomatedTester]

Rebased onto trunk. The conflict was with #2916 (the aria-pressed fix on the banner link); the templated link now omits that attribute too.

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