test(e2e): the English journey, and the end of the docs directory

[viclafouch]

Two commits, two concerns.

The English journey

Fifteen scenarios under /en/, the last level 3 surface that had none. The browser stays fr-FR throughout, which is the point: the URL is what decides the language, and a French speaking runner must not be able to make an English page answer in French.

• /en/ renders in English and the prefix survives a click, since links are localized by the router on their way out.
• The English library fills its thirty Memes, shows the Universal Meme under its English title and never under the French one, and its second page holds the four the first left out.
• Eight scenarios take the metadata, one per kind of head the site builds: title, canonical, the three hreflang, the two og:locale.
• The language switcher moves the page, and the choice then outranks the URL.
• An annual checkout paid in English, asserting the localized amount and the return trip.

Expected strings and URLs come from the app, not from a copy: buildPageTitle, buildUrl and OG_LOCALE_MAP are exported from src/lib/seo.ts for that, and SITE_NAME and MONTHS_IN_YEAR stop being duplicated literals.

One thing worth knowing came out of this. PARAGLIDE_LOCALE is read before the URL, and paraglide writes it on the first client render, not only when the switcher is used. Walking once to /en/ pins that browser to English, and that cookie is the only thing that brings a paying Visitor home in English: successUrl is a bare /checkout/success handed to Stripe, which the router never sees. Reordering the strategy to put url first would read as a simplification and would drop them back into French. It is now a constraint in CONTEXT.md.

The end of docs/

Prose about the code goes stale the day the code moves, and this repository has one developer who moves code without moving prose. The e2e plan had become an inventory of a suite that already describes itself.

Nothing load bearing was lost. The two decisions the code cannot justify by itself, the daily VisitorKey fingerprint and the frozen attribution of an Event, are now constraints in CONTEXT.md, carrying the reasons that would otherwise be undone in good faith. Everything still to do became an issue: #20, #21, #22, #23, #24, #25, #26.

CLAUDE.md now says where knowledge goes instead: CONTEXT.md, .claude/rules/, or an issue.

Verification

The full suite is green locally, 122 tests, no retries. pnpm run lint:fix and pnpm run test pass.

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
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