Write a monthly content digest for {{target_audience}} in the {{industry}} industry using a {{tone}} tone. Synthesize exactly 7 provided sources. Structure: Header (title, date, theme, reading time), Top Story (30% of digest), Key Developments (40%), Data Spotlight (3-5 stats), Expert Roundup (2-3 quotes), Action Items (5 items), Recommended Deep Dives (3 resources), Closing Note. Lead each story with the most important takeaway. Attribute all claims; skip if unknown. Target 1500-1800 words. Paste your 7 sources after these instructions before running.