Hermes saved plugin config does not affect runtime

[thismilktea]

Bug

Hermes saves agentmemory plugin config, but runtime does not use the saved values.

save_config() writes to ~/.hermes/agentmemory.json, but runtime still reads only AGENTMEMORY_URL /
AGENTMEMORY_SECRET from os.environ.

Repro

1. Install the Hermes integration from integrations/hermes.
2. Save a non-default URL through the plugin config flow (for example http://10.0.0.5:3111).
3. Confirm the value is written to ~/.hermes/agentmemory.json.
4. Start Hermes without exporting a matching AGENTMEMORY_URL.
5. Observe runtime behavior.

Expected

The saved Hermes plugin config should affect runtime behavior.

Actual

The saved config is written successfully, but runtime still uses only env vars / defaults, so the saved URL or secret
does not take effect.

Code pointers

• integrations/hermes/__init__.py — save_config() writes agentmemory.json
• integrations/hermes/__init__.py — is_available() reads AGENTMEMORY_URL
• integrations/hermes/__init__.py — initialize() reads AGENTMEMORY_URL
• integrations/hermes/__init__.py — _api() reads AGENTMEMORY_SECRET