refactor(reporting-layout): streamline sidebar and content layout

- Replaced the existing sidebar implementation with a new ReportingSider component that accepts collapse state and toggle function as props.
- Simplified the ReportingCollapsedButton component for better readability and functionality.
- Updated layout styles to enhance responsiveness and maintain consistent margins.
- Removed unused CSS styles related to the sidebar for cleaner code.

.claude/settings.local.json

@@ -8,6 +8,7 @@
       "Bash(move:*)",
       "Bash(mv:*)",
       "Bash(grep:*)",
+      "Bash(rm:*)",
       "Bash(rm:*)"
     ],
     "deny": []