{
  "schema": "runtime-boundary-public-evidence/v1",
  "evidence_id": "RBE-20260828-A3",
  "baseline": {
    "product": "CodeFlowMu V2.0.4",
    "commit": "2ba1ad9baf27077861b6a20e5815b4175f0a81c6",
    "observed_on": "2026-08-28"
  },
  "historical_profile": {
    "records": 59,
    "duplicate_invocation_ids": 0,
    "fields": {
      "task_id": {"present": 49, "missing": 10},
      "session_id": {"present": 0, "missing": 59},
      "thread_key": {"present": 42, "missing": 17},
      "agent_id": {"present": 15, "missing": 44},
      "integrity": {"present": 59, "missing": 0}
    },
    "latest_sample_date": "2026-08-12"
  },
  "current_binding_probe": {
    "input": {
      "session_id": "SESSION-DEIDENTIFIED-001",
      "task_id": "TASK-DEIDENTIFIED-903",
      "thread_key": "skill-binding-study"
    },
    "persisted": {
      "session_id": false,
      "task_id": true,
      "thread_key": true
    },
    "session_used_for_in_memory_dedupe": true
  },
  "mixed_evidence_example": {
    "task_id": "TASK-DEIDENTIFIED-001",
    "ordinary_invocation": {
      "channel": "agent_runtime",
      "triggered_by": "sdk.tool_call",
      "skill_id": "pm-product-design-brief",
      "session_id": null,
      "proves": "runtime_observed_skill_read"
    },
    "planning_evidence": {
      "channel": "mcp",
      "triggered_by": "pm.record_planning_skill_evidence",
      "skill_id": "pm-product-design-brief",
      "thread_key": "THREAD-DEIDENTIFIED-001",
      "session_id": "SESSION-DEIDENTIFIED-001",
      "evidence_source": "pm_runtime_control",
      "proves": "runtime_verified_planning_evidence"
    }
  },
  "supports": [
    "the_historical_sample_cannot_bind_invocations_to_sessions",
    "the_tested_current_entrypoint_drops_a_supplied_session_id_from_persisted_evidence",
    "invocation_evidence_and_result_evidence_must_remain_distinct"
  ],
  "does_not_support": [
    "all_skill_evidence_entrypoints_drop_session_identity",
    "a_skill_invocation_result_is_incorrect",
    "the_proposed_session_binding_contract_is_already_implemented"
  ]
}