{
  "id": "model/qwen3-5-layer-probe",
  "name": "qwen3-5-layer-probe",
  "description": "Probe all 24 layer outputs in Qwen 3.5 to isolate where the hidden state distribution collapses.",
  "intent": "investigate",
  "compatibleIntents": ["investigate"],
  "stability": "canonical",
  "owner": "doppler-core",
  "createdAtUtc": "2026-03-13T00:00:00Z",
  "extends": "profiles/verbose-trace",
  "runtime": {
    "inference": {
      "prompt": "What color is the sky on a clear day? Answer in one word.",
      "batching": {
        "maxTokens": 1
      },
      "sampling": {
        "temperature": 0
      }
    },
    "shared": {
      "debug": {
        "trace": {
          "enabled": true,
          "categories": ["attn", "ffn", "logits"],
          "layers": null,
          "maxDecodeSteps": 1
        },
        "probes": [
          {
            "id": "embed",
            "stage": "embed_out",
            "tokens": [-1],
            "dims": [0, 1, 2, 3, 512, 513]
          },
          {
            "id": "layer_out",
            "stage": "layer_out",
            "layers": [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23],
            "tokens": [-1],
            "dims": [0, 1, 2, 3]
          },
          {
            "id": "logits",
            "stage": "logits_final",
            "tokens": [-1],
            "dims": [271, 0, 1, 2, 3, 496, 138]
          }
        ]
      }
    }
  }
}