{
  "format_version": 1,
  "kind": "campaign",
  "name": "arc2-net-generalize",
  "description": "Arc 2 cross-instrument leg: the exact Arc 1 matrix (both variants, 4 instruments) charged with vol-proportional slippage only (slip_vol_mult 0.1) — the one cost factor that scales per instrument, so a shared cost model stays unit-consistent. Constant spread costs live in the per-instrument arc2-net-* campaigns.",
  "seed": 0,
  "data": {
    "instruments": ["GER40", "US500", "EURUSD", "XAUUSD"],
    "windows": [ { "from_ms": 1514764800000, "to_ms": 1782863999999 } ]
  },
  "risk": [ { "vol": { "length": 3, "k": 2.0 } } ],
  "cost": [
    { "vol_slippage": { "slip_vol_mult": 0.1 } }
  ],
  "strategies": [
    {
      "ref": { "content_id": "82515a31bfe58ae087b4bd09eb4adb032cc2cabddd71a2761c543066bd237d3d" },
      "axes": {
        "channel_hi.length": { "kind": "I64", "values": [24, 48, 96] },
        "channel_lo.length": { "kind": "I64", "values": [24, 48, 96] }
      }
    },
    {
      "ref": { "content_id": "82d61d13bf21984068d6fd3ae9de9766fe99edb5163ea50ffb3485bfae9f56bc" },
      "axes": {
        "channel_hi.length": { "kind": "I64", "values": [24, 48, 96] },
        "channel_lo.length": { "kind": "I64", "values": [24, 48, 96] }
      }
    }
  ],
  "process": { "ref": { "content_id": "41863fcae9300b334056c6f2a899e8c2672ecb29387d294e9a6e58f159ef51b4" } },
  "presentation": { "persist_taps": [], "emit": ["selection_report"] }
}