fix(approvals): normalize routed household profile guard

[DIZ-admin]

Summary

• normalize routed household profile fallback for approval commands
• extend household approval guard coverage
• add regression tests for routed profile and write-approval paths

Verification

• branch contains the follow-up commits after the already merged approval guard
• regression coverage is included in the branch
• branch is clean and based on the fork main

Merge policy

This PR targets only DIZ-admin/hermes-agent:main; upstream is reference-only.

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⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

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Run ID: 470a6f11-542c-405c-a9f1-007126fdc704

📥 Commits

Reviewing files that changed from the base of the PR and between 2680d7a and d5b069b.

📒 Files selected for processing (3)

• hermes_cli/write_approval_commands.py
• tests/gateway/test_household_approval_toggle_guard.py
• tests/tools/test_write_approval.py

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/household-approval-toggle-guard-routed-profile

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[DIZ-admin]

Follow-up pushed in ec24cb97e.

Hardened the approval guard to fail closed when profile identity is empty or missing. Previously approval_toggle_allowed("") returned True, which could allow an unstamped multiplexed route to inherit toggle permission.

Verification:

• tests/gateway/test_household_approval_toggle_guard.py tests/tools/test_write_approval.py: 42 passed
• git diff --check: passed