Add Depone V111 Agent Fabric operator report view

[moonweave]

Summary

• Add a stdlib-only V111 operator-readable Markdown view for verification reports.
• Surface V110 Agent Fabric report fields: decision, assurance, and capture validity/errors.
• Extend CLI, docs, and regression coverage without changing trust levels or live-execution behavior.

Validation

• python3 -m py_compile depone/__main__.py depone/verify/__init__.py depone/verify/engine.py depone/verify/operator_view.py depone/agent_fabric/capture_bridge.py depone/agent_fabric/reference_adapter.py depone/cli/validate_contracts.py
• python3 tests/test_agent_fabric_report_assurance.py
• python3 tests/test_agent_fabric_capture_bridge.py
• python3 tests/test_agent_fabric_reference_adapter.py
• python3 -m depone verify --self-test
• python3 -m depone compile --self-test
• python3 -m depone validate-contracts --self-test
• python3 -m depone validate-contracts --all
• git diff --check --cached
• python3 -m depone verify --help | grep -F -- '--operator-view-out'
• python3 scripts/check_contract.py --tier changed

Notes

• Stacked on spec/v110-agent-fabric-report-assurance.
• Does not track or modify preserved local artifacts UNKNOWN.egg-info/ or setup.py.