{
  "handle": "HeuristicSnap",
  "mechanism": "Fast pattern matching against a {{cache}} of past experiences. Returns a decision in <100ms based on similarity to past success, bypassing expensive reasoning chains. It bypasses the expensive {{chain_of_thought}} when {{budget}} is low, relying on cached pattern matches.",
  "gloss": "Rapid, low-cost decision making via pattern recognition",
  "invariants": [
    "Confidence Floor: Do not snap if similarity < 0.6",
    "Speed over Accuracy: Latency must be < Threshold"
  ],
  "preconditions": [
    "A {{cache}} of past experience exists and is queryable"
  ],
  "postconditions": [
    "{{decision}} made instantly"
  ],
  "_meta": {
    "tier": 1,
    "related": [
      "ThinSlice"
    ],
    "ring": 2,
    "supersedes": [
      "sema:HeuristicSnap#mh:SHA-256:cece62377b8243be6d0ec0c4722f30e61aac251b2f9f3ee5cd30b06456ff2329",
      "sema:HeuristicSnap#mh:SHA-256:bd4b7e8369088accfeed1c366851705638d34d00eb947daa0d02935a60ebceb3",
      "sema:HeuristicSnap#mh:SHA-256:cecf8021678cd9c00da018591b1e1c81b09bd532198e49176cd776621a75f4f4",
      "sema:HeuristicSnap#mh:SHA-256:b95f0c545045368c2e9f2dfe897f1172f718827a7fe4b0db67dddbd56d8b8ff0"
    ],
    "path": [
      "Mind",
      "Reasoning"
    ]
  },
  "sema_id": "sema:HeuristicSnap#mh:SHA-256:d683f415a9eabd2639464e981993ed784e7f9aed6800f92abe66182df817696f",
  "sema_ref": "HeuristicSnap#d683",
  "sema_stub": "d683",
  "failure_modes": [
    "False recognition: a {{problem}} scores above the confidence floor while differing structurally from the cached case, so the cached {{decision}} is imported with assumptions that do not hold. Similarity is not {{equivalence}}."
  ],
  "dependencies": {
    "references": {
      "budget": "sema:Budget#mh:SHA-256:4e3e536c9ecec8c1b0af017cfd0a26ba00e9f96047de4a690bf9d3db7f3720ef",
      "cache": "sema:Cache#mh:SHA-256:465f391fb70426b0ec99c724ecf5db549d4f2e8124c821530271124aa10e17f3",
      "chain_of_thought": "sema:ChainOfThought#mh:SHA-256:27ad1f2386f58e1f9e1983c97f6dbeb8f1345e1d9b9e00af30871b97d21e0c95",
      "decision": "sema:Decision#mh:SHA-256:b1407127acd4a39314fc24b418310e4b95e0347e4e22f376151ab765e2dfd2c7",
      "equivalence": "sema:Equivalence#mh:SHA-256:23f09a1881f50a07a5c565897f0837b3cfe4955a3b83250045f94abebf5b058c",
      "problem": "sema:Problem#mh:SHA-256:2580c43677ec78ee7ee428d200662c6096e4eab38c2c5a868154979074cc0f08"
    }
  },
  "sema_layer": "Mind",
  "sema_category": "Reasoning",
  "used_by": {
    "references": {
      "Estimate": "sema:Estimate#mh:SHA-256:3bacc0606623a0603b271a835b54157c2e86389c4282af86d88cd1ddd9ecf917",
      "MentalSim": "sema:MentalSim#mh:SHA-256:c28c84db7597a2e8cef38b73dc9780b6f8fe28c9d45700c4431b3a7a2ac3b8fc"
    }
  }
}