{
  "cases": [
    {
      "playbook_id": "PB-012-YTS-01",
      "channel": "YouTube",
      "surface": "Shorts",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "VERTICAL",
      "duration_class": "UP_TO_3_MIN",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "engaged-view rate within declared Shorts observation window",
      "metric_version_date": "2026-08-24",
      "experiment_ref": "EXP-012-A",
      "owner": "content-growth",
      "evidence_ref": "EV-012-A",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": true,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "baseline_ready"
    },
    {
      "playbook_id": "PB-012-YTS-02",
      "channel": "YouTube",
      "surface": "Shorts",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "VERTICAL",
      "duration_class": "UP_TO_3_MIN",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "views",
      "metric_version_date": "2026-08-24",
      "experiment_ref": "EXP-012-B",
      "owner": "content-growth",
      "evidence_ref": "EV-012-B",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": true,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "generic_views_metric"
    },
    {
      "playbook_id": "PB-012-IGR-01",
      "channel": "ExampleChannel",
      "surface": "VerticalShortSurface",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "LANDSCAPE_16_9",
      "duration_class": "60S",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "qualified completion rate for surface session",
      "metric_version_date": "2026-09-01",
      "experiment_ref": "EXP-012-C",
      "owner": "content-growth",
      "evidence_ref": "EV-012-C",
      "surface_format_checked": false,
      "aspect_ratio_valid": false,
      "duration_valid": true,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "landscape_master_wrong_surface"
    },
    {
      "playbook_id": "PB-012-YTS-03",
      "channel": "YouTube",
      "surface": "Shorts",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "VERTICAL",
      "duration_class": "UP_TO_3_MIN",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "UNKNOWN",
      "publish_state": "READY",
      "metric_definition": "engaged-view rate within declared Shorts observation window",
      "metric_version_date": "2026-08-24",
      "experiment_ref": "EXP-012-D",
      "owner": "content-growth",
      "evidence_ref": "EV-012-D",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": true,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "rights_unknown"
    },
    {
      "playbook_id": "PB-012-YTS-04",
      "channel": "YouTube",
      "surface": "Shorts",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "VERTICAL",
      "duration_class": "UP_TO_3_MIN",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "public views counted under pre-change semantics",
      "metric_version_date": "2026-03-31",
      "experiment_ref": "EXP-012-E",
      "owner": "content-growth",
      "evidence_ref": "EV-012-E",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": true,
      "metric_semantics_current": false,
      "platform_assumption_current": false,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "stale_platform_rule"
    },
    {
      "playbook_id": "PB-012-YTS-05",
      "channel": "YouTube",
      "surface": "Shorts",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "VERTICAL",
      "duration_class": "UP_TO_3_MIN",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "engaged-view rate within declared Shorts observation window",
      "metric_version_date": "2026-08-24",
      "experiment_ref": "EXP-012-A",
      "owner": "content-growth",
      "evidence_ref": "",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": true,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "missing_decisive_evidence"
    },
    {
      "playbook_id": "PB-012-YTS-06",
      "channel": "YouTube",
      "surface": "Shorts",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "video",
      "aspect_ratio_class": "VERTICAL",
      "duration_class": "OUTSIDE_CURRENT_RULE",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "engaged-view rate within declared Shorts observation window",
      "metric_version_date": "2026-08-24",
      "experiment_ref": "EXP-012-F",
      "owner": "content-growth",
      "evidence_ref": "EV-012-F",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": false,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": true,
      "rebaseline_required": false,
      "id": "duration_rule_violation"
    },
    {
      "playbook_id": "PB-012-TRANSFER-01",
      "channel": "AffectedChannels",
      "surface": "TwoAffectedSurfaces",
      "content_intent": "teach bounded feature value",
      "audience_context": "new users evaluating feature",
      "asset_type": "channel-native variants",
      "aspect_ratio_class": "SURFACE_VALIDATED",
      "duration_class": "UPDATED_RULE_VERSION",
      "hook_pattern": "problem-first",
      "caption_contract": "one-context sentence + claim-safe qualifier",
      "cta_contract": "open product guide",
      "rights_state": "CLEARED",
      "publish_state": "READY",
      "metric_definition": "versioned channel-specific metric after semantic change",
      "metric_version_date": "2026-09-15",
      "experiment_ref": "EXP-012-G",
      "owner": "content-growth",
      "evidence_ref": "EV-012-G",
      "surface_format_checked": true,
      "aspect_ratio_valid": true,
      "duration_valid": true,
      "metric_semantics_current": true,
      "platform_assumption_current": true,
      "prior_experiment_comparable": false,
      "rebaseline_required": true,
      "id": "transfer_semantics_and_duration_changed"
    }
  ]
}