feat(hero): inline research announcement pill

[omsherikar]

Summary

Follow-up to the research-papers PR (#138) — the hero announcement change landed after that PR was already merged, so it ships separately here.

• Adds a two-segment inline pill to the hero (a Research label · the announcement text + arrow) linking to /research, styled for the dark theme — the supermemory research-page announcement pattern.
• Retires the fixed full-width top banner (AnnouncementBanner → enabled: false) so there is one announcement surface, not two. The component stays in the tree for future site-wide news.

Test plan

• npm run build green
• Lint + format clean
• Reviewer: confirm the pill renders above the hero headline and links to /research

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Project	Deployment	Actions	Updated (UTC)
refactron	Ready	Preview, Comment	May 15, 2026 2:24pm

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: fab3cf9b-67fa-4973-b7c0-dffd4dbccaba

📥 Commits

Reviewing files that changed from the base of the PR and between 5a4bd46 and 0c208ea.

📒 Files selected for processing (2)

• src/components/AnnouncementBanner.tsx
• src/components/HeroSection.tsx

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/hero-research-pill

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Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

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