docs: align node transport with gateway ws

docs/tools/exec-approvals.md

@@ -22,7 +22,7 @@ Exec approvals are enforced locally on the execution host:
 - **gateway host** → `clawdbot` process on the gateway machine
 - **node host** → node runner (macOS companion app or headless node host)
 
-Planned macOS split:
+macOS split:
 - **node host service** forwards `system.run` to the **macOS app** over local IPC.
 - **macOS app** enforces approvals + executes the command in UI context.
 
@@ -103,8 +103,8 @@ Each allowlist entry tracks:
 ## Auto-allow skill CLIs
 
 When **Auto-allow skill CLIs** is enabled, executables referenced by known skills
-are treated as allowlisted on nodes (macOS node or headless node host). This uses the Bridge RPC to ask the
-gateway for the skill bin list. Disable this if you want strict manual allowlists.
+are treated as allowlisted on nodes (macOS node or headless node host). This uses
+`skills.bins` over the Gateway RPC to fetch the skill bin list. Disable this if you want strict manual allowlists.
 
 ## Safe bins (stdin-only)
 
@@ -151,12 +151,12 @@ Actions:
 - **Always allow** → add to allowlist + run
 - **Deny** → block
 
-### macOS IPC flow (planned)
+### macOS IPC flow
 ```
-Gateway -> Bridge -> Node Service (TS)
-                    |  IPC (UDS + token + HMAC + TTL)
-                    v
-                Mac App (UI + approvals + system.run)
+Gateway -> Node Service (WS)
+                 |  IPC (UDS + token + HMAC + TTL)
+                 v
+             Mac App (UI + approvals + system.run)
 ```
 
 Security notes:

docs/tools/exec.md

@@ -66,8 +66,8 @@ Example:
 - `host=sandbox`: runs `sh -lc` (login shell) inside the container, so `/etc/profile` may reset `PATH`.
   Clawdbot prepends `env.PATH` after profile sourcing; `tools.exec.pathPrepend` applies here too.
 - `host=node`: only env overrides you pass are sent to the node. `tools.exec.pathPrepend` only applies
-  if the exec call already sets `env.PATH`. Node PATH overrides are accepted only when they prepend
-  the node host PATH (no replacement).
+  if the exec call already sets `env.PATH`. Headless node hosts accept `PATH` only when it prepends
+  the node host PATH (no replacement). macOS nodes drop `PATH` overrides entirely.
 
 Per-agent node binding (use the agent list index in config):