feat: Implement JavaScript-based clipboard copy for error log

src/streamlit_app.py

@@ -1,4 +1,5 @@
 import streamlit as st
+from streamlit import components
 import os
 import logging
 import warnings
@@ -521,10 +522,27 @@ if st.session_state.error_log:
     error_text = "\n\n".join([f"File: {path}\nError: {error}" for path, error in st.session_state.error_log.items()])
     st.text_area("Error Details", error_text, height=200)
     
-    # Add copy button
-    if st.button("Copy Error Log"):
-        st.write("Error log copied to clipboard!")
-        st.session_state.error_log_copied = error_text
+    # Add copy button with JavaScript to copy to clipboard
+    copy_button = st.button("Copy Error Log")
+    if copy_button:
+        # Create a JavaScript function to copy the text
+        js_code = f"""
+            <script>
+                // Create a temporary textarea element
+                const textarea = document.createElement('textarea');
+                textarea.value = `{error_text.replace('`', '\\`')}`;  // Escape backticks
+                document.body.appendChild(textarea);
+                
+                // Select and copy the text
+                textarea.select();
+                document.execCommand('copy');
+                
+                // Clean up
+                document.body.removeChild(textarea);
+            </script>
+        """
+        st.components.v1.html(js_code, height=0)
+        st.success("✅ Error log copied to clipboard!")
     
     # Add clear button
     if st.button("Clear Error Log"):