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Extends the §22 multi-project draft along four axes decided this session: - Project type — each project declares document | specification | bdd (immutable, registry-set). One shared propose→branch→PR→graduate engine; type only layers entry schema, terminology, and type-specific surfaces (spec release-planning, BDD scenarios/coverage). §22.4a. - Slug-only identity — an entry is (project_id, slug); the per-project RFC-NNNN numbering and its allocator are retired. §22.4, §2.3/§13 amended. - initial_state — per-project landing state for a new entry: super-draft (document/spec default) or active (bdd default). §22.4b. - unreviewed flag — entries that skip straight to active land unreviewed; graduation implies review so the normal path is never flagged. Owner mark-reviewed clears it; §7 catalog gains an unreviewed filter; mirrored into cached_rfcs. §22.4c. Slicing plan re-sliced six→seven: type/initial_state/unreviewed config ride M3, type surfaces become M5, membership→M6, hardening→M7. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>