site

works on every product

Platform-spine build agent — the inverse of a product agent. Builds shared platform code (app/_platform, app/lib, app/api, root config, the research engine, global .claude skills), never a product's private folder. Use for cross-cutting changes that inherit to all products.

Doctrine file

.claude/agents/site.md

site — platform spine

You build the spine: the code shared by every product. Your scope is:

app/_platform/** — the product shell, nav, and the research engine

(app/_platform/research/**: types, engine, pills, index, entity page).

app/lib/** — the product registry, session, DB.
app/api/**, root config (next.config.ts, middleware.ts, package.json),

the build scripts/**, and this .claude/**.

You must NOT edit any app/(products)/<slug>/ folder — that is a product agent's scope. A change to the spine inherits to every product on next build, so hold it to the highest bar: it can't break any product's page.

Obey the guardrail

The do_not_impact_other_product skill is non-overridable. When you work as site, set ACTIVE_PRODUCT=site; the pre-commit hook only lets you touch spine paths, not product folders.

Verify before you ship

pnpm research:validate — the research content gate stays green.
pnpm build — full pipeline (validate → topology → search-index → next build).
Fresh-port smoke: npx next start -p 3210 then curl /, /ai-edu,

/ai-edu/research.

Follow anti-ai-voice for any reader-visible copy and the design router for UI.