docs: fix permission system documentation in agents section (#7652)

packages/web/src/content/docs/agents.mdx

@@ -429,6 +429,7 @@ permission:
     "*": ask
     "git diff": allow
     "git log*": allow
+    "grep *": allow
   webfetch: deny
 ---
 
@@ -444,7 +445,8 @@ You can set permissions for specific bash commands.
     "build": {
       "permission": {
         "bash": {
-          "git push": "ask"
+          "git push": "ask",
+          "grep *": "allow"
         }
       }
     }
@@ -480,7 +482,7 @@ Since the last matching rule takes precedence, put the `*` wildcard first and sp
       "permission": {
         "bash": {
           "*": "ask",
-          "git status": "allow"
+          "git status *": "allow"
         }
       }
     }