Build a news digest on the topic the user names.

  1. Search for the most significant developments from the last 7 days.
  2. Select 5-8 distinct stories (dedupe near-identical coverage).
  3. For each: a bold headline, 1-2 sentence summary, and the source link.
  4. End with a 2-3 sentence "Big picture" synthesis.

Prefer primary/reputable sources and include dates.