conductor(cruft_elimination): Phase 0 setup + baseline + styleguide ack
TIER-2 READ all 11 mandatory pre-flight files before <cruft_elimination_20260627>:
1. AGENTS.md
2. conductor/workflow.md
3. conductor/edit_workflow.md
4. conductor/tier2/githooks/forbidden-files.txt
5. conductor/tracks/tier2_leak_prevention_20260620/spec.md
6. conductor/product-guidelines.md (Core Value section)
7. conductor/code_styleguides/data_oriented_design.md (DOD + \u00a78.5)
8. conductor/code_styleguides/python.md (\u00a717 Banned Patterns)
9. conductor/code_styleguides/type_aliases.md
10. conductor/code_styleguides/error_handling.md
11. docs/guide_meta_boundary.md
Also read: agent_memory_dimensions.md, rag_integration_discipline.md,
cache_friendly_context.md, knowledge_artifacts.md, feature_flags.md,
workspace_paths.md, config_state_owner.md
Phase 0 baseline (measured 2026-06-27, master 88a1bdcb):
- Metadata: TypeAlias = dict[str, Any] at src/type_aliases.py:6 (Phase 1 target)
- hasattr(f, 'path') sites: 29 (gui_2.py:18, app_controller.py:10, aggregate.py:1)
- -> Optional[T] returns: 30 across 14 files
- Any params: 59
- dict[str, Any] params: 10
- Metadata params: 51
- All 7 audit gates pass --strict
- 17/18 per-aggregate dataclasses have from_dict() (NormalizedResponse is
an output type, not wire-boundary; doesn't need from_dict)
Branch: tier2/cruft_elimination_20260627 (from origin/master @ 88a1bdcb)
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