readme: doctrine v7 sync + canonical numbers

fix(doctrine): v7 canonical numbers — v6→v7, tag v6→v7, table 12→15 axioms, footer 217→626, 2/12→4/12 Putnam, footer full fix

fix(claims): resync numbers to Agent C audit 2026-05-30 (Doctrine v7 §3+§10)

docs(immaculate): Series-A immaculate pass — URL verification + canonical 27/31/2 + ORCID + doctrine v6

docs(canonical): update counts to 27/31/2 after Amaru + Λ-Gate migration (v7 §11)

fix(putnam): honest framing — 0/12 Lean-discharged, 10/12 structure coverage only (Doctrine v6)

docs(hf): R3 sweep — ecosystem-stage tag + Provenance section + Putnam 10/12 honest + cohesion footer (doctrine v6)

docs: Doctrine v6 Immaculate Upgrade v2 — 217 decls / 12 axioms / 5 sorries / 35 gates / kernel-green@7ef33a6 / RAE-1 merged / MCP live / Putnam 8.3%

Update dataset card: pin uds-v0.3.0 release (sha256: 84bbbb362955b5a8...)

100x visual upgrade: consistent YAML frontmatter, hero block, schema docs, provenance, cross-links, citation — Doctrine v6

feat(tags): add discoverability tags [visibility-layer-2]

sync: mirror szl-holdings/amaru@fc94ee0

feat(card): P3 polish — add hero, what-is-NOT, how-to-work (doctrine v6)

mirror github.com/szl-holdings/amaru@779a0d7e4e69