feat(seo): unify metadata and refresh social previews

[f0rr0]

Pages previously defined inconsistent titles, descriptions and social previews, with several using the profile photo. Centralize metadata defaults and use the selected collage for all five non-article pages, including the Writing index.

• Add short descriptive page titles and one shared description; use consistent pipe-separated titles across search, Open Graph and Twitter.
• Derive article metadata and JSON-LD from the same authored fields. Keep blog bodies and article-specific images intact; remove em dashes from two metadata summaries and the middle dot from fallback share cards.
• Serve the selected PNG unchanged with its actual dimensions and descriptive alt text, replacing the generated homepage card.
• Remove 28 unused public assets. Retain all 15 company/education PNG logos used by Journey and the PDF, plus active profile portraits and favicons.

Validation: 290 tests passed; full lint, typecheck and Typst formatting checks passed. Verified rendered Open Graph/Twitter metadata on all five main pages and a blog article. Confirmed the served PNG matches the selected attachment byte-for-byte and the résumé PDF compiles after asset cleanup. Local activity data used its fallback because no database was configured.

[vercel]

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Project	Deployment	Actions	Updated
f0rr0-github-io	Ready	Preview	Sep 23, 2026 11:02pm UTC