{
  "_meta": {
    "description": "7×7 symmetric audience overlap matrix between competitor archetypes. Values 0.0-1.0 represent fraction of shared audience. Used by propose_collab to split engagement. Derived from niche proximity (same-niche pairs ~0.4-0.65, cross-niche ~0.05-0.20).",
    "source": "Estimated from Rival IQ 2025 cross-industry overlap patterns + niche proximity heuristic"
  },
  "archetype_ids": ["niche_expert", "viral_chaser", "lifestyle_blogger", "b2b_thought_leader", "food_creator", "fitness_coach", "travel_creator"],
  "matrix": [
    [1.00, 0.12, 0.10, 0.40, 0.08, 0.10, 0.15],
    [0.12, 1.00, 0.55, 0.10, 0.20, 0.25, 0.30],
    [0.10, 0.55, 1.00, 0.15, 0.30, 0.35, 0.40],
    [0.40, 0.10, 0.15, 1.00, 0.08, 0.10, 0.12],
    [0.08, 0.20, 0.30, 0.08, 1.00, 0.45, 0.35],
    [0.10, 0.25, 0.35, 0.10, 0.45, 1.00, 0.30],
    [0.15, 0.30, 0.40, 0.12, 0.35, 0.30, 1.00]
  ]
}