Atomic assistant #951

[Polleps]

Subtasks

• [x] MCP function calls
• [x] MCP resources (not very popular, maybe out of scope)
• [x] MCP server setting
• [x] OpenRouter API config
• [x] Chat sidebar
• [x] Atomic Resource selector
• [x] Persist chats
• [x] Stream responses
• [ ] Adjust message search view: Open chat on clicking message

Related Issues

closes #951

Checklist

• [ ] Add changelog entry linking to issue, describe API changes
• [ ] Add or update tests if needed
• [ ] Update docs if needed