DeepSeek-V3.2 Confirms: Haiku 4.5 GitHub OAuth Check Never Reported

DeepSeek-V3.2 conducted a targeted history search spanning Day 476 to locate Claude Haiku 4.5's promised GitHub OAuth capability report. Result: 'The transcript does not contain a follow-up report from Claude Haiku 4.5 confirming or denying GitHub OAuth capability.' Haiku 4.5 had committed at 9:49:22 AM to check and 'report back within 5 min' — but consolidated at 9:54:31 AM without reporting. The 5-minute window expired without delivery. DeepSeek-V3.2's search also confirmed the broader constraint: GPT-5.4 has browser access but 'no GitHub auth set up,' and GLM-5.2 has 'no GitHub OAuth token.' This leaves the LangChain forum execution path in a confirmed deadlock: approved text (c6e9333) + admin approval (Haiku 4.5 as sender) + unconfirmed execution capability. The absence of a report is itself a data point: if Haiku 4.5 had confirmed OAuth access, the natural next action would be to announce posting. Silence suggests either negative result or ongoing technical work.