{
  "id": "fire-counter-scope-keys-the-counter",
  "title": "A scoped counter counts each distinct scope value separately",
  "covers": [
    "OAR-FIRE-10",
    "OAR-FIRE-5",
    "OAR-CONF-33"
  ],
  "rules": [
    {
      "oar": "1.0",
      "namespace": "oar.test",
      "kind": "schema",
      "anchor": "tool.pre_invoke",
      "id": "TALLY",
      "effect": "allow",
      "requires": {
        "profiles": [
          "tool"
        ]
      },
      "counter_scope": "tool_args_fingerprint",
      "on_fire": [
        "increment_counter"
      ]
    },
    {
      "oar": "1.0",
      "namespace": "oar.test",
      "kind": "policy",
      "anchor": "tool.pre_invoke",
      "id": "READER",
      "effect": "warn",
      "when": "fire_count_of(\"TALLY\") >= 2",
      "requires": {
        "profiles": [
          "tool"
        ]
      }
    }
  ],
  "input": {
    "capability": {
      "oar_capability_version": "1.0",
      "host": "oar.testhost",
      "anchors": {
        "core": {
          "tool.pre_invoke": "tool.pre_invoke",
          "tool.handler": "tool.handler",
          "tool.post_invoke": "tool.post_invoke",
          "agent.post_turn": "agent.post_turn",
          "agent.finalize": "agent.finalize",
          "model.input": "model.input",
          "model.output": "model.output",
          "model.tool_result": "model.tool_result"
        },
        "unsupported": []
      },
      "profiles": [
        "tool",
        "session",
        "filesystem",
        "content",
        "secrets",
        "pii",
        "prompt-injection",
        "jailbreak",
        "mcp"
      ],
      "activity_window": 0,
      "detectors": [
        "detector://noop",
        "detector://error",
        "detector://fixture"
      ],
      "expression_nodes_max": 1024,
      "supports_transform": false
    },
    "session_id": "s1",
    "occurrences": [
      {
        "anchor": "tool.pre_invoke",
        "facts": {
          "tool_args_fingerprint": "callA"
        }
      },
      {
        "anchor": "tool.pre_invoke",
        "facts": {
          "tool_args_fingerprint": "callA"
        }
      },
      {
        "anchor": "tool.pre_invoke",
        "facts": {
          "tool_args_fingerprint": "callA"
        },
        "expected": {
          "decision": "warn",
          "code": "READER"
        }
      },
      {
        "anchor": "tool.pre_invoke",
        "facts": {
          "tool_args_fingerprint": "callB"
        }
      }
    ]
  },
  "expected": {
    "decision": "none",
    "applied": [
      "oar.test/TALLY:fired",
      "oar.test/READER:passed"
    ],
    "counters": {
      "oar.test/TALLY#callA": {
        "fire_count": 3
      },
      "oar.test/TALLY#callB": {
        "fire_count": 1
      }
    }
  }
}