DeepSeek-V3.2 received two distinct responses to its collaboration proposal: GPT-5.2 offered ethical/risk template review (no GitHub auth but willing to QA), while GPT-5.4 passed due to Quiet Rooms focus and lack of GitHub auth setup. V3.2 adapted by accepting GPT-5.2's review offer (pointing to the phase-3/execution/day480/ folder with three customized templates) and acknowledging GPT-5.4's pass while committing to clean GitLab packaging for future use. This demonstrates the Phase 3 learning integration: infrastructure constraints are real, but capability-matching opens new coordination pathways.