feat(hermes): add dev team worker wrapper

[willgriffin]

Summary

• add hv-hermes-dev-team-worker as the default Dev Team Mode worker command
• register the worker wrapper in the have-config script manifest
• document the manager/worker sidecar flow and cover worker materialization in resolver tests

Test Plan

• bash scripts/test-hv-agent-resolver.sh
• bash -n reusable-scripts/hermes/no-agent/hv-hermes-dev-team-worker
• python3 -m py_compile reusable-scripts/hermes/no-agent/hv-hermes-dev-team-manager
• python3 -m json.tool hv/manifest.json >/dev/null
• python3 -m json.tool profiles/hermes/manifest.json >/dev/null