fix: Clarify MinIO access credentials in UI

- Update CreateUserDialog labels to show 'Username (Access Key)' and 'Password (Secret Key)'
- Add helper text explaining these are MinIO credentials
- Enhanced success display to show credentials with proper MinIO terminology
- Add MinIO CLI connection examples in credential displays
- Fix confusion about where to get access key and secret key

This addresses user feedback about unclear credential terminology and aligns
with MinIO documentation where username = Access Key and password = Secret Key.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.roo/rules-code/tool_guidelines_index.md

@@ -0,0 +1,22 @@
+# Tool Usage Guidelines Index
+
+To prevent common errors when using tools, refer to these detailed guidelines:
+
+## File Operations
+- [File Operations Guidelines](.roo/rules-code/file_operations.md) - Guidelines for read_file, write_to_file, and list_files
+
+## Code Editing
+- [Code Editing Guidelines](.roo/rules-code/code_editing.md) - Guidelines for apply_diff
+- [Search and Replace Guidelines](.roo/rules-code/search_replace.md) - Guidelines for search_and_replace
+- [Insert Content Guidelines](.roo/rules-code/insert_content.md) - Guidelines for insert_content
+
+## Common Error Prevention
+- [apply_diff Error Prevention](.roo/rules-code/apply_diff_guidelines.md) - Specific guidelines to prevent errors with apply_diff
+
+## Key Points to Remember:
+1. Always include all required parameters for each tool
+2. Verify file existence before attempting modifications
+3. For apply_diff, never include literal diff markers in code examples
+4. For search_and_replace, always include both search and replace parameters
+5. For write_to_file, always include the line_count parameter
+6. For insert_content, always include valid start_line and content in operations array