Tracks the platform's fai->chain rename: capability provider chain, WIT ABI chain:platform (binding paths/accessors), SDK pin bumped. Signed-off-by: flemming-it <sf@flemming.it>
Explains the 'why this module instead of inline HTTP' answer operators ask when they see llm.chat for the first time: audit, permission posture, endpoint portability. Signed-off-by: flemming-it <sf@flemming.it>