fix(tools/bash): restore cross-platform instructions in bash tool

Christian Rocha created

💘 Generated with Crush

Assisted-by: GLM-5.1 via Crush <crush@charm.land>

Change summary

internal/agent/tools/bash.tpl | 5 +++++
1 file changed, 5 insertions(+)

Detailed changes

internal/agent/tools/bash.tpl 🔗

@@ -1,5 +1,10 @@
 Execute shell commands; long-running commands automatically move to background and return a shell ID.
 
+<cross_platform>
+Uses mvdan/sh interpreter (Bash-compatible on all platforms including Windows).
+Use forward slashes for paths: "ls C:/foo/bar" not "ls C:\foo\bar".
+Common shell builtins and core utils available on Windows.
+</cross_platform>
 
 <execution_steps>
 1. Directory Verification: If creating directories/files, use LS tool to verify parent exists