fix: override agent tools + sync bash without process

docs/tools/bash.md

@@ -8,6 +8,7 @@ read_when:
 # Bash tool
 
 Run shell commands in the workspace. Supports foreground + background execution via `process`.
+If `process` is disallowed, `bash` runs synchronously and ignores `yieldMs`/`background`.
 
 ## Parameters
 

docs/tools/index.md

@@ -42,6 +42,7 @@ Core parameters:
 Notes:
 - Returns `status: "running"` with a `sessionId` when backgrounded.
 - Use `process` to poll/log/write/kill/clear background sessions.
+- If `process` is disallowed, `bash` runs synchronously and ignores `yieldMs`/`background`.
 
 ### `process`
 Manage background bash sessions.