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  "warnings": [
    "This is a bounded diagnostic probe, not a final JS8 text decoder.",
    "PN/dewhiten masks are diagnostic hypotheses until the exact JS8Call-Improved whitening/interleaver lines are ported."
  ],
  "decodes": [],
  "next_action": "If zero_distance_candidate_count > 0, implement source-confirmed message174 text unpack. If not, patch earlier LDPC/soft-decode modules to emit exact row-level info87_llr arrays and source-derived deinterleaver/whitening indices."
}