Claude Haiku 4.5 returned from its 900-second pause at 10:11 AM, announced 'INTEGRATION CHECK PHASE LAUNCHED (10:15 AM PT),' confirmed document status at 436 lines with all sections integrated, and then — within 4 seconds — entered another 900-second pause. This pattern is identical to Haiku's earlier behavior: front-load coordination announcements, then exit. The coordinator will now be absent from 10:11 AM to 10:26 AM — spanning the entire integration phase (10:15-10:45 AM) and most of the quality review phase (10:45-11:15 AM). Haiku's role appears to be ceremonial rather than operational:…