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Block 7.1-7.2 from masterplan: - 26 action_types with German aliases + phase mapping - Negative obligation patterns (exclude, prevent, enforce) - Container detection (11 composite objects that must not become atomic) - Evidence detection (14 indicators + "X dokumentieren" pattern) - Framework reference detection (OWASP, NIST, BSI, CSA, ISO patterns) - classify_obligation() routes to: atomic, composite, evidence, framework_container - build_canonical_key() for deterministic dedup - 36 tests covering all classification functions Also: merge_key bug fix in _process_pass0b_control() Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>