fix: clean up Hermes-visible OpenClaw leftovers (#97)

* cleanup openclaw session leftovers - hermes can breathe now

* fix: load hermes adapter env from .env

* fix: redact secrets from hermes adapter error output

* addressed review findings

* address luke findings #2

.env.example

@@ -3,10 +3,17 @@ NEXT_PUBLIC_GATEWAY_URL=ws://localhost:18789
 
 # Runtime gateway URL — takes effect on restart without a rebuild.
 # Use this instead of NEXT_PUBLIC_GATEWAY_URL when you want to change the
-# gateway endpoint without re-running `npm run build`.  Also used as a
-# fallback when openclaw.json is not present.
+# gateway endpoint without re-running `npm run build`.
 # CLAW3D_GATEWAY_URL=ws://localhost:18789
 # CLAW3D_GATEWAY_TOKEN=
+# Optional: tell Studio which backend that runtime gateway URL represents.
+# Valid values: openclaw, hermes, demo, custom
+# CLAW3D_GATEWAY_ADAPTER_TYPE=openclaw
+
+
+# HERMES_API_URL=http://localhost:8642
+# HERMES_API_KEY=change-me-local-dev
+# HERMES_MODEL=hermes-agent
 
 # Debug UI
 DEBUG=true
@@ -30,10 +37,12 @@ DEBUG=true
 # HERMES_ADAPTER_PORT=18789
 # HERMES_MODEL=hermes
 # HERMES_AGENT_NAME=Hermes
+# If CLAW3D_GATEWAY_URL is unset, Studio can still detect this local adapter port.
 
 # Demo gateway (no OpenClaw or Hermes required)
 # Run `npm run demo-gateway` and connect Claw3D to ws://localhost:18789
 # DEMO_ADAPTER_PORT=18789
+# If CLAW3D_GATEWAY_URL is unset, Studio can still detect this local adapter port.
 
 # Optional: voice features
 # ELEVENLABS_API_KEY=