Add Depone V110 Agent Fabric report assurance

[moonweave]

Summary

• surface Agent Fabric capture manifest checks in verification reports
• add report-level decision and assurance fields while preserving existing verdicts
• fail closed on invalid capture manifests and document V110

Verification

• python3 -m py_compile depone/verify/engine.py depone/verify/init.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
• python3 scripts/check_contract.py --tier changed

Known gap

• python3 scripts/check_contract.py currently fails outside this diff at V40 generated out ownership: ERR_LIVE_RECEIPT_PATH_UNSAFE for out/live-receipts/v40-final-...; changed-tier passed.