feat(knowledge-intake): classify a document + assess its impact before extraction

Phase A1. The real knowledge production is not writing — it is TARGETED UPDATING: when 20 documents
arrive, which 5 change our knowledge and which 15 are ignorable? Before the parser, Knowledge Intake
classifies a new document (no content extraction) and intersects its signals with an index of the
existing knowledge to emit a Knowledge Package (an impact analysis).

- compliance/knowledge_intake/: build_knowledge_index(patterns, playbooks, reference_scenarios,
  obligation_index) + assess_document_impact(descriptor, index) -> KnowledgePackage. Deterministic,
  NO content extraction, NO LLM. Surfaces affected capabilities / playbooks / transition patterns /
  reference scenarios / (injected) obligations, whether it is a new domain, and a triage level
  (HIGH / LOW / NONE / NEW_DOMAIN) with a recommendation.
- ADR-006: Knowledge Intake = classify + impact before extraction; full factory Intake -> Package ->
  Parser -> Draft -> Review -> Published; phase order A1 Intake / A2 Draft / A3 Review.
- reference suite: "Knowledge Intake" section triages 3 example documents (CRA SBOM-FAQ -> high,
  14C/2PB/3RTS/2Obl; environmental guidance -> new_domain; marketing blog -> ignorable). Section
  lives in _helpers.py to keep generate.py under the 500-LOC budget.
- Honest known refinement surfaced by intake: regulation-ID normalization (CRA vs Cyber Resilience Act).

10 intake tests (60 with the adjacent modules), mypy --strict clean (16 files), check-loc 0.
Product code with no app caller + ADR/reference = non-runtime -> no deploy (ADR-001). Freeze-safe.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend-compliance/reference_scenarios/generate.py

@@ -46,6 +46,7 @@ import yaml
 
 from _helpers import (  # noqa: E402  (script-dir module; keeps generate.py under the LOC budget)
     OUT, ROLLUP, Row, w, coverage_table, reg_map_block, unsupported_block, interp_status,
+    knowledge_intake_section,
 )
 
 ISO_MAP = {"ISO27001": CapabilityMappingEntry(
@@ -463,6 +464,8 @@ coverage_table([
     ("Draft-Generatoren neue Domänen (Phase A)", "TODO", "Transition-/Reference-Scenario-Drafts"),
 ])
 
+knowledge_intake_section(os.path.dirname(__file__))   # Knowledge Intake (impact triage) — kept in _helpers for LOC
+
 # ── Epics + roll-up ───────────────────────────────────────────────────────
 w("## Gaps → Epics (Backlog — nur erfasst, NICHT implementiert)")
 w("")