feat: Template-Spec v1 Phase B — Rule Engine + Block Removal

- ruleEngine.ts: Minimal JSONLogic evaluator, 6-phase runner (compute_flags,
  auto_defaults, hard_validations, auto_remove_blocks, module_requirements,
  warnings), getDocType mapping, applyBlockRemoval
- ruleEngine.test.ts: 49 Vitest tests (alle grün)
- page.tsx: ruleResult useMemo, enabledModules state, computed flags pills,
  module toggles, rule engine banners (errors/warnings/legal notice)
- migrations/022_template_block_markers.sql: Dokumentation + Verify-Query
- scripts/apply_block_markers_022.py: NDA_PENALTY_BLOCK, COOKIE_ANALYTICS_BLOCK,
  COOKIE_MARKETING_BLOCK in DB-Templates einfügen

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend-compliance/migrations/022_template_block_markers.sql

@@ -0,0 +1,42 @@
+-- Migration 022: Template Block Markers
+-- ============================================================
+-- This migration documents the block marker system introduced
+-- in Template-Spec v1 Phase B.
+--
+-- Block markers are inserted into template content via the
+-- Python script: scripts/apply_block_markers_022.py
+--
+-- Block IDs:
+--   NDA_PENALTY_BLOCK         — Vertragsstrafe section (NDA DE + EN)
+--   COOKIE_ANALYTICS_BLOCK    — Analyse-Tools section (Cookie Banner DE)
+--   COOKIE_MARKETING_BLOCK    — Marketing-Partner section (Cookie Banner DE)
+--
+-- Marker syntax in template content:
+--   [BLOCK:NDA_PENALTY_BLOCK]
+--   ## §N Vertragsstrafe
+--   ...content...
+--   [/BLOCK:NDA_PENALTY_BLOCK]
+--
+-- The Rule Engine (ruleEngine.ts) evaluates ruleset.v1.json and
+-- produces a list of block IDs to remove before placeholder substitution.
+-- The applyBlockRemoval() function strips matching [BLOCK:ID]...[/BLOCK:ID]
+-- sections from template content.
+--
+-- Run the Python migration script to apply markers to DB content:
+--   docker exec bp-compliance-backend python3 /tmp/apply_block_markers_022.py
+--
+-- No schema changes are required — block markers are stored inline
+-- in the existing `content` TEXT column of compliance_legal_templates.
+-- ============================================================
+
+-- Verify markers were applied (run after script):
+SELECT
+    document_type,
+    language,
+    title,
+    CASE WHEN content LIKE '%[BLOCK:NDA_PENALTY_BLOCK]%' THEN 'YES' ELSE 'no' END AS has_nda_penalty,
+    CASE WHEN content LIKE '%[BLOCK:COOKIE_ANALYTICS_BLOCK]%' THEN 'YES' ELSE 'no' END AS has_cookie_analytics,
+    CASE WHEN content LIKE '%[BLOCK:COOKIE_MARKETING_BLOCK]%' THEN 'YES' ELSE 'no' END AS has_cookie_marketing
+FROM compliance.compliance_legal_templates
+WHERE document_type IN ('nda', 'cookie_banner')
+ORDER BY document_type, language;