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Five posts with custom OG + banner and hire CTAs. Three are web3, giving that category its first posts — /categories/web3/ previously 404'd while the index advertised it as '0 posts - coming soon'. Backdated where the work genuinely is older: the foundry-nft and hardhat-smartcontract-lottery commits date to 2024-08-15..19, so those two posts fill the empty 2024-10 and 2024-12 archive months with updatedDate holding the real date. The two 2026-08-19 posts use their real work date. TERMINALS/BANNERS entries for all five slugs are committed this time (both generators were clean; diffs verified purely additive).
banner-gen — per-post banner/hero image generator
Generates a branded 1600×900 (16:9) banner image for a blog post — shown at
the top of the article, above the title. Matches the site's cobalt-blue
branding and the "terminal / debugging" visual language (siblings with
scripts/og-gen/, which produces the 1200×630 social-share image).
Usage
node scripts/banner-gen/generate.mjs <post-slug>
Reads the post's category from frontmatter, fills template.html, renders
with headless Chrome, and writes public/banners/<slug>.png.
Then add banner: /banners/<slug>.png to the post frontmatter (en + zh) —
[...slug].astro renders it above the H1 title.
Customizing content
Each post's banner content lives in BANNERS in generate.mjs, keyed by
slug, with three parts:
titlebar— the terminal window's title-bar textlines— terminal body rows:{ t, text }wheret∈cmd·dim·err(red) ·ok(green) ·hl(amber) ·prompt($)flow— bottom pipeline steps:{ n: '1', label: '...', err?: true }
No entry → a generic default banner.
Requirements
- Google Chrome at
C:\Program Files\Google\Chrome\Application\chrome.exe(CHROME_PATHto override). - Node 20+.
Relationship to og-gen
- og-gen →
public/og/<slug>.png(1200×630, 2:1) for social sharing. - banner-gen →
public/banners/<slug>.png(1600×900, 16:9) for the article hero. The banner is a "filled" visual (terminal + flow pipeline), not a poster — avoid large empty margins.