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AI layer

How dss keeps Claude Code fast and cheap: small always-on context, rules by path, forked workers, guard hooks, a router and a shared brain.

  • CLAUDE.md imports AGENTS.md (Next.js), the kernel core/_ai/CLAUDE.core.md (under 60 lines) and the generated digest (one line per rule).
  • Rules in .claude/rules/ load only for the files being touched (paths: front matter); on-demand rules are read when the topic comes up.
  • core/CATALOG.md replaces reading core sources: tokens, primitives, sections, scenes, modules, archetypes, font pairs, package APIs.

/dss-site orchestrates the whole site. Steps run as skills; mechanical ones are forked on Sonnet or Haiku and return short summaries: dss-brief, dss-new, dss-research, dss-inspire, dss-dna, dss-sitemap, dss-copy, dss-page, dss-section, dss-seo, dss-check, dss-polish, dss-deploy, dss-edit, dss-fix, dss-learn, dss-commit, dss-brain-query, dss-brain-ingest, dss-brain-lint, dss-handoff.

Agents with strict output contracts: dss-critic, dss-designer, dss-reviewer, dss-seo-auditor, dss-a11y. Eleven third-party skills (frontend-design, React best practices, web guidelines, view transitions, web quality, ECC security, accessibility, TDD, TypeScript) are vendored and loaded name-only.

Hook Event Job
dss-sync.py SessionStart copy core/_ai into .claude/, merge settings, silent when unchanged
dss-context.py SessionStart, UserPromptSubmit index pages and sections; route prompts (French aliases) to files; brain hint
dss-check-rules.py PreToolUse refuse writes that break tokens, Next 16 APIs, security rules or the slop gate
dss-typecheck.py PostToolUse tsc and eslint on the touched file, at most 20 lines back
dss-deny-env.py PreToolUse (Bash) never read .env*, .dev.vars or secret stores
dss-session-stats.py Stop tokens per session in .claude/stats.jsonl, context warning above 150k

pnpm dss cost reads Claude Code transcripts and writes site.cost.md: tokens and API-equivalent price per step, model and session, cache savings and subagent share.