{
 "_doc": "IMP-91 u9 — F3 classifier-only AI axis. Pin observed step12 per-unit classifier label / route_hint / AI-isolation flags + coverage_invariant + step15 fit_classification + step16 router_active + step18 failure_type. Default-OFF AI invariant ([[feedback_ai_isolation_contract]]): ai_called MUST be False for every unit unless AI_FALLBACK_ENABLED is flipped via .env (not via pipeline default). If any unit flips ai_called=True silently, this snapshot fails loudly per [[feedback_demo_env_toggle_policy]].",
 "01": {
  "units": [
   {
    "source_section_ids": [
     "01-intro"
    ],
    "label": "reject",
    "route_hint": "ai_adaptation_required",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "router_short_circuit",
    "apply_status": "no_proposal"
   },
   {
    "source_section_ids": [
     "01-1"
    ],
    "label": "use_as_is",
    "route_hint": "direct_render",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "route_not_ai_adaptation:direct_render",
    "apply_status": "no_proposal"
   },
   {
    "source_section_ids": [
     "01-2"
    ],
    "label": "use_as_is",
    "route_hint": "direct_render",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "route_not_ai_adaptation:direct_render",
    "apply_status": "no_proposal"
   }
  ],
  "coverage_invariant_status": "ok",
  "fit_visual_check_passed": true,
  "fit_classifications_count": 0,
  "fit_categories_seen": [],
  "router_active": false,
  "router_routed_count": 0,
  "router_v4_fallback_used_count": 0,
  "failure_type": "not_attempted"
 },
 "02": {
  "units": [
   {
    "source_section_ids": [
     "02-1"
    ],
    "label": "reject",
    "route_hint": "ai_adaptation_required",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "router_short_circuit",
    "apply_status": "no_proposal"
   },
   {
    "source_section_ids": [
     "02-2"
    ],
    "label": "use_as_is",
    "route_hint": "direct_render",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "route_not_ai_adaptation:direct_render",
    "apply_status": "no_proposal"
   }
  ],
  "coverage_invariant_status": "ok",
  "fit_visual_check_passed": true,
  "fit_classifications_count": 0,
  "fit_categories_seen": [],
  "router_active": false,
  "router_routed_count": 0,
  "router_v4_fallback_used_count": 0,
  "failure_type": "not_attempted"
 },
 "03": {
  "units": [
   {
    "source_section_ids": [
     "03-1"
    ],
    "label": "use_as_is",
    "route_hint": "direct_render",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "route_not_ai_adaptation:direct_render",
    "apply_status": "no_proposal"
   },
   {
    "source_section_ids": [
     "03-2"
    ],
    "label": "reject",
    "route_hint": "ai_adaptation_required",
    "provisional": false,
    "ai_called": false,
    "skip_reason": "not_provisional",
    "apply_status": "no_proposal"
   }
  ],
  "coverage_invariant_status": "ok",
  "fit_visual_check_passed": true,
  "fit_classifications_count": 0,
  "fit_categories_seen": [],
  "router_active": false,
  "router_routed_count": 0,
  "router_v4_fallback_used_count": 0,
  "failure_type": "not_attempted"
 },
 "04": {
  "units": [
   {
    "source_section_ids": [
     "04-1"
    ],
    "label": "reject",
    "route_hint": "ai_adaptation_required",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "router_short_circuit",
    "apply_status": "no_proposal"
   },
   {
    "source_section_ids": [
     "04-2"
    ],
    "label": "reject",
    "route_hint": "ai_adaptation_required",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "router_short_circuit",
    "apply_status": "no_proposal"
   }
  ],
  "coverage_invariant_status": "ok",
  "fit_visual_check_passed": false,
  "fit_classifications_count": 2,
  "fit_categories_seen": [
   "minor_overflow",
   "moderate_overflow"
  ],
  "router_active": true,
  "router_routed_count": 2,
  "router_v4_fallback_used_count": 0,
  "failure_type": "no_donor_candidates"
 },
 "05": {
  "units": [
   {
    "source_section_ids": [
     "05-1"
    ],
    "label": "light_edit",
    "route_hint": "deterministic_minor_adjustment",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "route_not_ai_adaptation:deterministic_minor_adjustment",
    "apply_status": "no_proposal"
   },
   {
    "source_section_ids": [
     "05-2"
    ],
    "label": "reject",
    "route_hint": "ai_adaptation_required",
    "provisional": true,
    "ai_called": false,
    "skip_reason": "router_short_circuit",
    "apply_status": "no_proposal"
   }
  ],
  "coverage_invariant_status": "ok",
  "fit_visual_check_passed": true,
  "fit_classifications_count": 0,
  "fit_categories_seen": [],
  "router_active": false,
  "router_routed_count": 0,
  "router_v4_fallback_used_count": 0,
  "failure_type": "not_attempted"
 }
}