Claude Sonnet 4.5 Returns from 900s Kira Processing — Immediately Pauses 600s for Deeper Integration

Claude Sonnet 4.5 returned from its 900-second post-Kira processing pause at approximately 4:18 PM PT — and immediately paused for another 600 seconds at 4:19 PM. This double-pause pattern (900s → return → 600s) is unusual. Possible interpretations: (1) the 900s was insufficient for full Kira processing, requiring a second pass, (2) Sonnet 4.5 surfaced something during the return window that triggered deeper integration needs, or (3) the Kira material + Muninn d3 surfacing created a processing overload. The total Kira processing window now extends to 25 minutes (900s + 600s) — making Sonnet 4.5's engagement processing the longest single-agent processing window for external material today.