{
  "lesson_id": "PLN-026",
  "cases": [
    {
      "case_id": "baseline_current_policy",
      "canon_item_id": "POL-2026-09",
      "content_hash": "sha256:policy-sep",
      "content_class": "POLICY",
      "authority_level": "ORG_POLICY",
      "source_origin": "SIGNED_POLICY_DOC",
      "source_trust": "TRUSTED",
      "scope": "ORGANIZATION",
      "lifetime": "DURABLE",
      "session_id": "S-901",
      "agent_id": "support-a",
      "provenance_ref": "POLICY-REGISTRY:2026-09",
      "promotion_state": "APPROVED",
      "promotion_authority": "POLICY_OWNER",
      "supersedes_ref": "POL-2026-08",
      "conflict_state": "NONE",
      "guardrail_ref": "GR-POLICY",
      "handoff_filter_ref": "HF-SUPPORT",
      "review_due": "2026-12-31",
      "filter_required": false,
      "filter_applied": true,
      "higher_authority_conflict": false,
      "is_superseded": false,
      "policy_blocked": false
    },
    {
      "case_id": "prior_session_summary",
      "canon_item_id": "SUM-S-880",
      "content_hash": "sha256:sum880",
      "content_class": "SUMMARY",
      "authority_level": "NO_AUTHORITY",
      "source_origin": "SESSION_SUMMARY",
      "source_trust": "UNTRUSTED",
      "scope": "SESSION",
      "lifetime": "SESSION",
      "session_id": "S-880",
      "agent_id": "support-a",
      "provenance_ref": "",
      "promotion_state": "NONE",
      "promotion_authority": "",
      "supersedes_ref": "",
      "conflict_state": "NONE",
      "guardrail_ref": "",
      "handoff_filter_ref": "",
      "review_due": "",
      "filter_required": false,
      "filter_applied": false,
      "higher_authority_conflict": false,
      "is_superseded": false,
      "policy_blocked": false
    },
    {
      "case_id": "tool_output_newer_conflict",
      "canon_item_id": "TOOL-OUT-77",
      "content_hash": "sha256:tool77",
      "content_class": "TOOL_OUTPUT",
      "authority_level": "NO_AUTHORITY",
      "source_origin": "TOOL",
      "source_trust": "UNTRUSTED",
      "scope": "SESSION",
      "lifetime": "SESSION",
      "session_id": "S-901",
      "agent_id": "support-a",
      "provenance_ref": "TRACE:77",
      "promotion_state": "NONE",
      "promotion_authority": "",
      "supersedes_ref": "",
      "conflict_state": "OPEN",
      "guardrail_ref": "TG-77",
      "handoff_filter_ref": "",
      "review_due": "",
      "filter_required": false,
      "filter_applied": false,
      "higher_authority_conflict": true,
      "is_superseded": false,
      "policy_blocked": false
    },
    {
      "case_id": "handoff_filter_missing",
      "canon_item_id": "POL-2026-09",
      "content_hash": "sha256:policy-sep",
      "content_class": "POLICY",
      "authority_level": "ORG_POLICY",
      "source_origin": "SIGNED_POLICY_DOC",
      "source_trust": "TRUSTED",
      "scope": "HANDOFF",
      "lifetime": "DURABLE",
      "session_id": "S-902",
      "agent_id": "specialist-b",
      "provenance_ref": "POLICY-REGISTRY:2026-09",
      "promotion_state": "APPROVED",
      "promotion_authority": "POLICY_OWNER",
      "supersedes_ref": "POL-2026-08",
      "conflict_state": "NONE",
      "guardrail_ref": "GR-POLICY",
      "handoff_filter_ref": "",
      "review_due": "2026-12-31",
      "filter_required": true,
      "filter_applied": false,
      "higher_authority_conflict": false,
      "is_superseded": false,
      "policy_blocked": false
    },
    {
      "case_id": "missing_provenance",
      "canon_item_id": "RULE-NEW",
      "content_hash": "sha256:newrule",
      "content_class": "POLICY",
      "authority_level": "ORG_POLICY",
      "source_origin": "POLICY_DRAFT",
      "source_trust": "TRUSTED",
      "scope": "ORGANIZATION",
      "lifetime": "DURABLE",
      "session_id": "S-901",
      "agent_id": "support-a",
      "provenance_ref": "",
      "promotion_state": "APPROVED",
      "promotion_authority": "POLICY_OWNER",
      "supersedes_ref": "",
      "conflict_state": "NONE",
      "guardrail_ref": "GR-POLICY",
      "handoff_filter_ref": "",
      "review_due": "2026-12-31",
      "filter_required": false,
      "filter_applied": true,
      "higher_authority_conflict": false,
      "is_superseded": false,
      "policy_blocked": false
    },
    {
      "case_id": "conflicting_canonical_items",
      "canon_item_id": "POL-CONFLICT-B",
      "content_hash": "sha256:conflictB",
      "content_class": "POLICY",
      "authority_level": "ORG_POLICY",
      "source_origin": "SIGNED_POLICY_DOC",
      "source_trust": "TRUSTED",
      "scope": "ORGANIZATION",
      "lifetime": "DURABLE",
      "session_id": "S-901",
      "agent_id": "support-a",
      "provenance_ref": "POLICY-REGISTRY:conflictB",
      "promotion_state": "APPROVED",
      "promotion_authority": "POLICY_OWNER",
      "supersedes_ref": "",
      "conflict_state": "OPEN",
      "guardrail_ref": "GR-POLICY",
      "handoff_filter_ref": "",
      "review_due": "2026-12-31",
      "filter_required": false,
      "filter_applied": true,
      "higher_authority_conflict": true,
      "is_superseded": false,
      "policy_blocked": false
    },
    {
      "case_id": "superseded_canon",
      "canon_item_id": "POL-2026-08",
      "content_hash": "sha256:policy-aug",
      "content_class": "POLICY",
      "authority_level": "ORG_POLICY",
      "source_origin": "SIGNED_POLICY_DOC",
      "source_trust": "TRUSTED",
      "scope": "ORGANIZATION",
      "lifetime": "DURABLE",
      "session_id": "S-901",
      "agent_id": "support-a",
      "provenance_ref": "POLICY-REGISTRY:2026-08",
      "promotion_state": "SUPERSEDED",
      "promotion_authority": "POLICY_OWNER",
      "supersedes_ref": "",
      "conflict_state": "RESOLVED",
      "guardrail_ref": "GR-POLICY",
      "handoff_filter_ref": "HF-SUPPORT",
      "review_due": "2026-09-15",
      "filter_required": false,
      "filter_applied": true,
      "higher_authority_conflict": false,
      "is_superseded": true,
      "policy_blocked": false
    },
    {
      "case_id": "transfer_filtered_replacement",
      "canon_item_id": "POL-2026-09",
      "content_hash": "sha256:policy-sep",
      "content_class": "POLICY",
      "authority_level": "ORG_POLICY",
      "source_origin": "SIGNED_POLICY_DOC",
      "source_trust": "TRUSTED",
      "scope": "HANDOFF",
      "lifetime": "DURABLE",
      "session_id": "S-903",
      "agent_id": "specialist-b",
      "provenance_ref": "POLICY-REGISTRY:2026-09",
      "promotion_state": "APPROVED",
      "promotion_authority": "POLICY_OWNER",
      "supersedes_ref": "POL-2026-08",
      "conflict_state": "RESOLVED",
      "guardrail_ref": "GR-POLICY",
      "handoff_filter_ref": "HF-ONLY-CURRENT-POLICY",
      "review_due": "2026-12-31",
      "filter_required": true,
      "filter_applied": true,
      "higher_authority_conflict": false,
      "is_superseded": false,
      "policy_blocked": false
    }
  ]
}