{
  "format_version": 1,
  "save_slice_id": "packed-event-parity-save-slice",
  "source": {
    "description": "Tracked save-slice document representing a parity-heavy captured packed-event collection.",
    "original_save_filename": "captured-parity.gms",
    "original_save_sha256": "parity-sample-sha256",
      "notes": [
        "tracked as JSON save-slice document rather than raw .smp",
        "preserves one upper-band locomotive availability tail row as explicit parity and one semantically decoded imported row"
      ]
  },
  "save_slice": {
    "file_extension_hint": "gms",
    "container_profile_family": "rt3-classic-save-container-v1",
    "mechanism_family": "classic-save-rehydrate-v1",
    "mechanism_confidence": "grounded",
    "trailer_family": null,
    "bridge_family": null,
    "profile": null,
    "candidate_availability_table": null,
    "locomotive_catalog": {
      "source_kind": "save-direct-locomotive-row-run-ordinal-catalog",
      "semantic_family": "scenario-save-derived-locomotive-catalog",
      "entries_offset": 31864,
      "observed_entry_count": 10,
      "entries": [
        { "locomotive_id": 1, "name": "2-D-2" },
        { "locomotive_id": 2, "name": "E-88" },
        { "locomotive_id": 3, "name": "Adler  2-2-2" },
        { "locomotive_id": 4, "name": "USA 103" },
        { "locomotive_id": 5, "name": "American 4-4-0" },
        { "locomotive_id": 6, "name": "Atlantic 4-4-2" },
        { "locomotive_id": 7, "name": "Baldwin 0-6-0" },
        { "locomotive_id": 8, "name": "Be 5/7" },
        { "locomotive_id": 9, "name": "Beuth 2-2-2" },
        { "locomotive_id": 10, "name": "Big Boy 4-8-8-4" }
      ]
    },
    "special_conditions_table": null,
    "event_runtime_collection": {
      "source_kind": "packed-event-runtime-collection",
      "mechanism_family": "classic-save-rehydrate-v1",
      "mechanism_confidence": "grounded",
      "container_profile_family": "rt3-classic-save-container-v1",
      "metadata_tag_offset": 28928,
      "records_tag_offset": 29184,
      "close_tag_offset": 29696,
      "packed_state_version": 1001,
      "packed_state_version_hex": "0x000003e9",
      "live_id_bound": 5,
      "live_record_count": 2,
      "live_entry_ids": [3, 5],
      "decoded_record_count": 2,
      "imported_runtime_record_count": 2,
      "records": [
        {
          "record_index": 0,
          "live_entry_id": 3,
          "payload_offset": 29186,
          "payload_len": 96,
          "decode_status": "parity_only",
          "payload_family": "real_packed_v1",
          "trigger_kind": 6,
          "one_shot": false,
          "compact_control": {
            "mode_byte_0x7ef": 6,
            "primary_selector_0x7f0": 0,
            "grouped_mode_0x7f4": 2,
            "one_shot_header_0x7f5": 0,
            "modifier_flag_0x7f9": 0,
            "modifier_flag_0x7fa": 0,
            "grouped_target_scope_ordinals_0x7fb": [0, 0, 0, 0],
            "grouped_scope_checkboxes_0x7ff": [1, 0, 0, 0],
            "summary_toggle_0x800": 1,
            "grouped_territory_selectors_0x80f": [-1, -1, -1, -1]
          },
          "text_bands": [],
          "standalone_condition_row_count": 0,
          "standalone_condition_rows": [],
          "grouped_effect_row_counts": [1, 0, 0, 0],
          "grouped_effect_rows": [
            {
              "group_index": 0,
              "row_index": 0,
              "descriptor_id": 457,
              "descriptor_label": "Upper-Band Locomotive Availability Slot 1",
              "target_mask_bits": 8,
              "parameter_family": "locomotive_availability_scalar",
              "opcode": 3,
              "raw_scalar_value": 42,
              "value_byte_0x09": 0,
              "value_dword_0x0d": 0,
              "value_byte_0x11": 0,
              "value_byte_0x12": 0,
              "value_word_0x14": 0,
              "value_word_0x16": 0,
              "row_shape": "scalar_assignment",
              "semantic_family": "scalar_assignment",
              "semantic_preview": "Set Upper-Band Locomotive Availability Slot 1 to 42",
              "recovered_locomotive_id": null,
              "locomotive_name": null,
              "notes": [
                "upper-band locomotive availability descriptor tail remains explicit evidence-blocked parity"
              ]
            }
          ],
          "decoded_actions": [],
          "executable_import_ready": false,
          "notes": [
            "decoded from grounded real 0x4e9a row framing",
            "recovered locomotives-page upper-band tail remains explicit evidence-blocked parity while lower grounded ids import through named locomotive availability overrides"
          ]
        },
        {
          "record_index": 1,
          "live_entry_id": 5,
          "payload_offset": 29290,
          "payload_len": 109,
          "decode_status": "parity_only",
          "payload_family": "real_packed_v1",
          "trigger_kind": 6,
          "one_shot": true,
          "compact_control": {
            "mode_byte_0x7ef": 6,
            "primary_selector_0x7f0": 99,
            "grouped_mode_0x7f4": 2,
            "one_shot_header_0x7f5": 1,
            "modifier_flag_0x7f9": 1,
            "modifier_flag_0x7fa": 0,
            "grouped_target_scope_ordinals_0x7fb": [0, 1, 2, 3],
            "grouped_scope_checkboxes_0x7ff": [1, 0, 1, 0],
            "summary_toggle_0x800": 1,
            "grouped_territory_selectors_0x80f": [-1, 10, -1, 22]
          },
          "text_bands": [
            {
              "label": "primary_text_band",
              "packed_len": 7,
              "present": true,
              "preview": "Parity!"
            },
            {
              "label": "secondary_text_band_0",
              "packed_len": 0,
              "present": false,
              "preview": ""
            },
            {
              "label": "secondary_text_band_1",
              "packed_len": 0,
              "present": false,
              "preview": ""
            },
            {
              "label": "secondary_text_band_2",
              "packed_len": 0,
              "present": false,
              "preview": ""
            },
            {
              "label": "secondary_text_band_3",
              "packed_len": 0,
              "present": false,
              "preview": ""
            },
            {
              "label": "secondary_text_band_4",
              "packed_len": 0,
              "present": false,
              "preview": ""
            }
          ],
          "standalone_condition_row_count": 1,
          "standalone_condition_rows": [
            {
              "row_index": 0,
              "raw_condition_id": -1,
              "subtype": 4,
              "flag_bytes": [
                48, 49, 50, 51, 52, 53, 54, 55, 56, 57,
                58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
                68, 69, 70, 71, 72
              ],
              "candidate_name": "AutoPlant",
              "notes": [
                "negative sentinel-style condition row id",
                "condition row carries candidate-name side string"
              ]
            }
          ],
          "negative_sentinel_scope": {
            "company_test_scope": "all_companies",
            "player_test_scope": "disabled",
            "territory_scope_selector_is_0x63": true,
            "source_row_indexes": [0]
          },
          "grouped_effect_row_counts": [1, 0, 0, 0],
          "grouped_effect_rows": [
            {
              "group_index": 0,
              "row_index": 0,
              "descriptor_id": 2,
              "descriptor_label": "Company Cash",
              "target_mask_bits": 1,
              "parameter_family": "company_finance_scalar",
              "opcode": 8,
              "raw_scalar_value": 7,
              "value_byte_0x09": 1,
              "value_dword_0x0d": 12,
              "value_byte_0x11": 2,
              "value_byte_0x12": 3,
              "value_word_0x14": 24,
              "value_word_0x16": 36,
              "row_shape": "multivalue_scalar",
              "semantic_family": "multivalue_scalar",
              "semantic_preview": "Set Company Cash to 7 with aux [2, 3, 24, 36]",
              "locomotive_name": "Mikado",
              "notes": [
                "grouped effect row carries locomotive-name side string"
              ]
            }
          ],
          "decoded_actions": [
            {
              "kind": "set_company_cash",
              "target": {
                "kind": "condition_true_company"
              },
              "value": 7
            }
          ],
          "executable_import_ready": true,
          "notes": [
            "decoded from grounded real 0x4e9a row framing",
            "grouped descriptor labels and target masks come from the checked-in effect table recovered around 0x006103a0"
          ]
        }
      ]
    },
    "notes": [
      "parity-heavy packed-event sample"
    ]
  }
}