1. Decompose the research question into 3-5 targeted keyword queries.
2. Execute each query using the `x-search.ts` CLI tool with appropriate options.
3. Evaluate the search results for relevance and adjust queries as needed.
4. Follow relevant threads using the `thread` command.
5. Deep-dive into linked content using `web_fetch` (if available in the environment).
6. Synthesize the findings into a structured briefing with themes and sources.
7. Save the briefing to a markdown file.