Parent: #14182

Goal

Move acp_adapter/ into hermes_agent/acp/. This is the canary PR — the smallest possible move (9 files, 1 external prod import) that creates the hermes_agent/ package and proves the workflow.

What moves

New files

• hermes_agent/__init__.py (creates the package)

Import rewrites

Internal (within moved files): acp_adapter.* → hermes_agent.acp.*

External callers (1 file):

# hermes_cli/main.py:
from acp_adapter.entry import main as acp_main
→ from hermes_agent.acp.entry import main as acp_main

Test files: ~11 import refs across tests/acp_adapter/

pyproject.toml changes

• ADD hermes_agent, hermes_agent.* to packages.find include
• REMOVE acp_adapter from packages.find include
• UPDATE entry point: hermes-acp = "hermes_agent.acp.entry:main"

What this PR does NOT do

• No logic changes
• No __init__.py re-exports (deferred to PR 6 when all packages exist)
• No infrastructure changes beyond pyproject.toml

Verification

rg "from acp_adapter[\. ]" --type py       # should return 0
rg "import acp_adapter" --type py           # should return 0
pytest
hermes-acp --help