fix: path prompt

agent/tools/read/read.py

@@ -63,6 +63,13 @@ class Read(BaseTool):
         
         # Check if file exists
         if not os.path.exists(absolute_path):
+            # Provide helpful hint if using relative path
+            if not os.path.isabs(path) and not path.startswith('~'):
+                return ToolResult.fail(
+                    f"Error: File not found: {path}\n"
+                    f"Resolved to: {absolute_path}\n"
+                    f"Hint: If accessing files outside workspace ({self.cwd}), use absolute path like ~/{path}"
+                )
             return ToolResult.fail(f"Error: File not found: {path}")
         
         # Check if readable