{"id":"AUD-004","domain":"audio","priority":88,"hard":true,"logic":"all","when":[{"path":"audio.comb_filtering","op":"eq","value":true}],"then":[{"op":"add_flag","value":"COMB_FILTERING"},{"op":"propose","value":"select_or_align_microphones"}],"rationale":"Delayed duplicate sources create destructive spectral interference.","tags":["phase"],"category":"Audio"}