{
  "_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": ["01-2"], "label": "use_as_is", "route_hint": "direct_render", "provisional": false, "ai_called": false, "skip_reason": "not_provisional", "apply_status": "no_proposal"},
      {"source_section_ids": ["01-1"], "label": "use_as_is", "route_hint": "direct_render", "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"
  },
  "02": {
    "units": [
      {"source_section_ids": ["02-1"], "label": "use_as_is", "route_hint": "direct_render", "provisional": false, "ai_called": false, "skip_reason": "not_provisional", "apply_status": "no_proposal"},
      {"source_section_ids": ["02-2-sub-1", "02-2-sub-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": false, "ai_called": false, "skip_reason": "not_provisional", "apply_status": "no_proposal"},
      {"source_section_ids": ["03-2"], "label": "use_as_is", "route_hint": "direct_render", "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": ["04-2-sub-2"], "label": "light_edit", "route_hint": "deterministic_minor_adjustment", "provisional": false, "ai_called": false, "skip_reason": "not_provisional", "apply_status": "no_proposal"},
      {"source_section_ids": ["04-2-sub-1"], "label": "restructure", "route_hint": "ai_adaptation_required", "provisional": true, "ai_called": false, "skip_reason": "router_short_circuit", "apply_status": "no_proposal"},
      {"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"}
    ],
    "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"
  },
  "05": {
    "units": [
      {"source_section_ids": ["05-1", "05-2-sub-1", "05-2-sub-2"], "label": "empty_shell", "route_hint": null, "provisional": true, "ai_called": false, "skip_reason": "route_not_ai_adaptation:None", "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"
  }
}