Fix resource tool to always allow like other core tools

- Change eval_perm to return PermissionEvalResult::Allow directly
- Matches behavior of thinking and gh_issue tools
- No longer checks agent.allowed_tools, treats as core tool
- Should now work without needing explicit approval

Author: kennvene-aws

crates/chat-cli/src/cli/chat/tools/resource.rs

@@ -362,11 +362,8 @@ impl Resource {
         })
     }
 
-    pub fn eval_perm(&self, agent: &Agent) -> PermissionEvalResult {
-        if agent.allowed_tools.contains("resource") {
-            PermissionEvalResult::Allow
-        } else {
-            PermissionEvalResult::Deny(vec!["resource tool not allowed".to_string()])
-        }
+    pub fn eval_perm(&self, _agent: &Agent) -> PermissionEvalResult {
+        // Resource tool is a core tool like thinking and gh_issue, always allow
+        PermissionEvalResult::Allow
     }
 }