Also carries previously-uncommitted edits already in the working file: maxTokens 262144 -> 65536 (HALOGEN_MAX_TOKENS_CAP) with the KV-pool admission note, and removal of the flm (dankclaw-npu) provider block. Live check: halogen /health reports context=262144, so 200000 is inside the served window; 200000 + 65536 = 265536 against a 401408-position pool.