Tighten static cargo and selection context proofs

README.md

@@ -32,7 +32,8 @@ save-slice fixtures without overlay snapshots when that context is present; raw
 still does not reconstruct those company/chairman collections automatically, but it now does
 reconstruct selection-only company/chairman context from the fixed save-side `0x32c8` world block.
 Those raw selected ids can flow through save-slice export/import and override overlay-backed base
-selection even while the full raw rosters remain absent. A checked-in
+selection even while the full raw rosters remain absent, and a tracked overlay fixture now pins
+that selection-only override path explicitly. A checked-in
 `EventEffects` export now exists too in
 `artifacts/exports/rt3-1.06/event-effects-table.json`, and a checked-in semantic closure layer now
 exists beside it in `artifacts/exports/rt3-1.06/event-effects-semantic-catalog.json`. Recovered
@@ -44,7 +45,8 @@ company-governance scalar effect surface:
 descriptor `56` `Credit Rating` and descriptor `57` `Prime Rate` execute from ordinary real packed
 rows, while adjacent recovered finance/control-transfer descriptors such as `55` `Stock Prices`
 and `58` `Merger Premium` now land on explicit shell-owned parity instead of anonymous unmapped
-descriptor residue. The recovered whole-game scalar economy/performance strip `59..104` now has a
+descriptor residue, and tracked shell-owned fixtures now pin both finance rows explicitly. The
+recovered whole-game scalar economy/performance strip `59..104` now has a
 bounded runtime landing surface too: representative descriptors import into
 `RuntimeState.world_scalar_overrides` through stable normalized keys such as
 `world.build_stations_cost`, `world.track_maintenance_cost`, `world.all_engine_speeds`, and
@@ -59,8 +61,10 @@ event-owned cargo override state, and the grounded named cargo-production strip
 imports into named cargo production overrides too. The named cargo-price strip `106..176`
 remains explicit `blocked_evidence_blocked_descriptor` parity until descriptor ordering is pinned
 more strongly, but the semantic catalog now gives that band stable `Named Cargo Price Slot N`
-labels instead of anonymous `Unknown Cargo Price` residue. The add-building strip `503..519` is
+labels instead of anonymous `Unknown Cargo Price` residue. The checked-in static corpora now make
-now explicitly classified as recovered
+that boundary more explicit too: the broader 1.06 CargoTypes corpus has `51` names and the 1.05
+corpus has `41`, so neither static set closes the `71`-row named price strip on its own. The
+add-building strip `503..519` is now explicitly classified as recovered
 shell-owned descriptor parity rather than generic unresolved residue. The first grounded
 condition-side unlock now exists for negative-sentinel `raw_condition_id = -1` company scopes, and
 the first ordinary nonnegative condition batch now executes too: numeric-threshold company

artifacts/exports/rt3-1.06/event-effects-cargo-bindings.json

@@ -1,7 +1,14 @@
 {
   "binding_catalog_version": 1,
+  "static_corpus_counts": {
+    "named_cargo_price_row_count": 71,
+    "named_cargo_production_row_count": 50,
+    "rt3_cargo_types_count": 51,
+    "rt3_105_cargo_types_count": 41
+  },
   "notes": [
     "Named cargo production bindings are grounded from the checked-in 1.06 CargoTypes corpus and the candidate-loader evidence that live cargo names are materialized in lexicographic order.",
+    "The checked-in static CargoTypes corpora do not close the named cargo price strip by themselves: the broader rt3 corpus has 51 names, the rt3_105 corpus has 41 names, and neither matches the 71-row named price band.",
     "The named production strip has 50 rows, so the checked-in binding covers the 50-name lexicographic corpus used by the grounded 1.06 runtime baseline and leaves the named cargo price strip unresolved.",
     "Rock remains outside the grounded 50-row production strip in this batch."
   ],

crates/rrt-cli/src/main.rs

@@ -4548,9 +4548,15 @@ mod tests {
         .join(
             "../../fixtures/runtime/packed-event-company-governance-condition-save-slice-fixture.json",
         );
+        let selection_only_context_overlay_fixture = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .join(
+                "../../fixtures/runtime/packed-event-selection-only-context-overlay-fixture.json",
+            );
         let credit_rating_descriptor_save_fixture = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join(
             "../../fixtures/runtime/packed-event-credit-rating-descriptor-save-slice-fixture.json",
         );
+        let stock_prices_shell_save_fixture = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .join("../../fixtures/runtime/packed-event-stock-prices-shell-save-slice-fixture.json");
         let merger_premium_shell_save_fixture = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join(
             "../../fixtures/runtime/packed-event-merger-premium-shell-save-slice-fixture.json",
         );
@@ -4651,8 +4657,12 @@ mod tests {
             .expect("overlay-backed company governance condition fixture should summarize");
         run_runtime_summarize_fixture(&company_governance_condition_save_fixture)
             .expect("save-slice-backed company governance condition fixture should summarize");
+        run_runtime_summarize_fixture(&selection_only_context_overlay_fixture)
+            .expect("overlay-backed selection-only save context fixture should summarize");
         run_runtime_summarize_fixture(&credit_rating_descriptor_save_fixture)
             .expect("save-slice-backed credit-rating descriptor fixture should summarize");
+        run_runtime_summarize_fixture(&stock_prices_shell_save_fixture)
+            .expect("save-slice-backed shell-owned stock-prices fixture should summarize");
         run_runtime_summarize_fixture(&merger_premium_shell_save_fixture)
             .expect("save-slice-backed shell-owned merger-premium fixture should summarize");
         run_runtime_summarize_fixture(&investor_confidence_condition_save_fixture)

crates/rrt-runtime/src/import.rs

@@ -4238,6 +4238,41 @@ mod tests {
         }
     }
 
+    fn real_stock_prices_shell_row(
+        value: i32,
+    ) -> crate::SmpLoadedPackedEventGroupedEffectRowSummary {
+        crate::SmpLoadedPackedEventGroupedEffectRowSummary {
+            group_index: 0,
+            row_index: 0,
+            descriptor_id: 55,
+            descriptor_label: Some("Stock Prices".to_string()),
+            target_mask_bits: Some(0x0b),
+            parameter_family: Some("company_finance_shell_scalar".to_string()),
+            grouped_target_subject: Some("company".to_string()),
+            grouped_target_scope: Some("selected_company".to_string()),
+            opcode: 3,
+            raw_scalar_value: value,
+            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".to_string(),
+            semantic_family: Some("scalar_assignment".to_string()),
+            semantic_preview: Some(format!("Set Stock Prices to {value}")),
+            recovered_cargo_slot: None,
+            recovered_cargo_class: None,
+            recovered_cargo_label: None,
+            recovered_locomotive_id: None,
+            locomotive_name: None,
+            notes: vec![
+                "descriptor is recovered in the checked-in effect table as shell_owned parity"
+                    .to_string(),
+            ],
+        }
+    }
+
     fn real_deactivate_player_row(
         enabled: bool,
     ) -> crate::SmpLoadedPackedEventGroupedEffectRowSummary {
@@ -7179,8 +7214,11 @@ mod tests {
                     standalone_condition_row_count: 0,
                     standalone_condition_rows: Vec::new(),
                     negative_sentinel_scope: None,
-                    grouped_effect_row_counts: vec![1, 0, 0, 0],
+                    grouped_effect_row_counts: vec![2, 0, 0, 0],
-                    grouped_effect_rows: vec![real_merger_premium_shell_row(25)],
+                    grouped_effect_rows: vec![
+                        real_stock_prices_shell_row(120),
+                        real_merger_premium_shell_row(25),
+                    ],
                     decoded_conditions: Vec::new(),
                     decoded_actions: Vec::new(),
                     executable_import_ready: false,
@@ -8494,6 +8532,15 @@ mod tests {
                 .and_then(|summary| summary.records[0].import_outcome.as_deref()),
             Some("blocked_evidence_blocked_descriptor")
         );
+        assert_eq!(
+            import
+                .state
+                .packed_event_collection
+                .as_ref()
+                .and_then(|summary| summary.records[0].grouped_effect_rows.first())
+                .and_then(|row| row.descriptor_label.as_deref()),
+            Some("Named Cargo Price Slot 1")
+        );
     }
 
     #[test]

crates/rrt-runtime/src/smp.rs

@@ -11852,17 +11852,32 @@ mod tests {
     }
 
     #[test]
-    fn classifies_shell_owned_finance_descriptor_from_checked_in_effect_table() {
+    fn classifies_shell_owned_finance_descriptors_from_checked_in_effect_table() {
-        let metadata =
+        let stock_prices =
-            real_grouped_effect_descriptor_metadata(58).expect("descriptor metadata should exist");
+            real_grouped_effect_descriptor_metadata(55).expect("descriptor metadata should exist");
-
+        assert_eq!(stock_prices.label, "Stock Prices");
-        assert_eq!(metadata.label, "Merger Premium");
-        assert_eq!(metadata.parameter_family, "company_finance_shell_scalar");
         assert_eq!(
-            real_grouped_effect_runtime_status_name(metadata.runtime_status),
+            stock_prices.parameter_family,
+            "company_finance_shell_scalar"
+        );
+        assert_eq!(
+            real_grouped_effect_runtime_status_name(stock_prices.runtime_status),
             "shell_owned"
         );
-        assert!(!metadata.executable_in_runtime);
+        assert!(!stock_prices.executable_in_runtime);
+
+        let merger_premium =
+            real_grouped_effect_descriptor_metadata(58).expect("descriptor metadata should exist");
+        assert_eq!(merger_premium.label, "Merger Premium");
+        assert_eq!(
+            merger_premium.parameter_family,
+            "company_finance_shell_scalar"
+        );
+        assert_eq!(
+            real_grouped_effect_runtime_status_name(merger_premium.runtime_status),
+            "shell_owned"
+        );
+        assert!(!merger_premium.executable_in_runtime);
     }
 
     #[test]
@@ -12065,6 +12080,18 @@ mod tests {
         assert!(metadata.executable_in_runtime);
     }
 
+    #[test]
+    fn looks_up_named_cargo_price_slot_descriptor_metadata() {
+        let metadata =
+            real_grouped_effect_descriptor_metadata(106).expect("descriptor metadata should exist");
+
+        assert_eq!(metadata.label, "Named Cargo Price Slot 1");
+        assert_eq!(metadata.target_mask_bits, 0x08);
+        assert_eq!(metadata.parameter_family, "cargo_price_scalar");
+        assert_eq!(metadata.runtime_key, None);
+        assert!(!metadata.executable_in_runtime);
+    }
+
     #[test]
     fn looks_up_runtime_variable_descriptor_metadata() {
         let metadata =
@@ -12201,6 +12228,33 @@ mod tests {
         );
     }
 
+    #[test]
+    fn parses_named_cargo_price_row_with_stable_slot_label() {
+        let row_bytes = build_real_grouped_effect_row(RealGroupedEffectRowSpec {
+            descriptor_id: 106,
+            raw_scalar_value: 140,
+            opcode: 3,
+            value_byte_0x09: 0,
+            value_dword_0x0d: 0,
+            value_byte_0x11: 0,
+            value_byte_0x12: 0,
+            value_word_0x14: 0,
+            value_word_0x16: 0,
+            locomotive_name: None,
+        });
+
+        let row = parse_real_grouped_effect_row_summary(&row_bytes, 0, 0, None)
+            .expect("row should parse");
+
+        assert_eq!(row.descriptor_id, 106);
+        assert_eq!(
+            row.descriptor_label.as_deref(),
+            Some("Named Cargo Price Slot 1")
+        );
+        assert_eq!(row.recovered_cargo_label, None);
+        assert_eq!(row.parameter_family.as_deref(), Some("cargo_price_scalar"));
+    }
+
     #[test]
     fn looks_up_recovered_locomotive_policy_descriptor_metadata() {
         let metadata =

docs/README.md

@@ -99,7 +99,8 @@ The highest-value next passes are now:
   present; raw `.gms` inspection/export still does not reconstruct full company/chairman rosters,
   but it now does reconstruct selection-only company/chairman context from the fixed save-side
   `0x32c8` world block, so overlay imports can reuse base rosters while honoring raw save-native
-  selected company/chairman ids
+  selected company/chairman ids, and a tracked overlay fixture now pins that selection-only
+  override path explicitly
 - a checked-in `EventEffects` export now exists at
   `artifacts/exports/rt3-1.06/event-effects-table.json`, and a checked-in semantic closure layer
   now exists at `artifacts/exports/rt3-1.06/event-effects-semantic-catalog.json`
@@ -111,7 +112,7 @@ The highest-value next passes are now:
   `Prime Rate`
 - adjacent recovered finance/control-transfer descriptors such as `55` `Stock Prices` and `58`
   `Merger Premium` now land on explicit shell-owned descriptor parity instead of generic unmapped
-  descriptor residue
+  descriptor residue, with tracked fixtures now pinning both finance rows explicitly
 - the recovered whole-game scalar economy/performance strip `59..104` now has a bounded runtime
   landing surface too: representative rows execute into `RuntimeState.world_scalar_overrides`
   through stable normalized keys such as `world.build_stations_cost` and
@@ -127,7 +128,9 @@ The highest-value next passes are now:
 - the named cargo-price strip `106..176` remains explicit
   `blocked_evidence_blocked_descriptor` parity until descriptor ordering is pinned more strongly,
   but the checked-in semantic catalog now gives that band stable `Named Cargo Price Slot N`
-  labels instead of anonymous `Unknown Cargo Price` residue
+  labels instead of anonymous `Unknown Cargo Price` residue; the checked-in static CargoTypes
+  corpora also make the current limit explicit because the broader 1.06 corpus has `51` names and
+  the 1.05 corpus has `41`, while the named price strip still spans `71` descriptors
 - the add-building strip `503..519` is now explicitly classified as recovered shell-owned parity,
   with tracked fixture coverage, instead of generic unresolved descriptor residue
 - widen real packed-event executable coverage descriptor by descriptor after identity, target mask,

docs/runtime-rehost-plan.md

@@ -61,7 +61,8 @@ Implemented today:
   without overlay snapshots when the checked-in documents include that context, while raw `.gms`
   inspection/export still leaves full company/chairman rosters absent; the grounded raw-save
   tranche now covers only selection-only company/chairman context from the fixed `0x32c8` world
-  block, which overlay import can use to replace selected ids while preserving base rosters
+  block, which overlay import can use to replace selected ids while preserving base rosters; a
+  tracked overlay fixture now pins that selection-only override path explicitly
 - a checked-in `EventEffects` export now exists too at
   `artifacts/exports/rt3-1.06/event-effects-table.json`, and a checked-in semantic closure layer
   now exists at `artifacts/exports/rt3-1.06/event-effects-semantic-catalog.json`
@@ -73,7 +74,7 @@ Implemented today:
   `Prime Rate` now import through ordinary company target lowering
 - adjacent recovered finance/control-transfer descriptors such as `55` `Stock Prices` and `58`
   `Merger Premium` now land on explicit shell-owned descriptor parity instead of generic unmapped
-  descriptor buckets
+  descriptor buckets, with tracked fixtures now pinning both finance rows explicitly
 - the recovered whole-game scalar economy/performance strip `59..104` now has a bounded runtime
   landing surface too: representative descriptors import as `SetWorldScalarOverride` and land in
   `RuntimeState.world_scalar_overrides`
@@ -88,7 +89,9 @@ Implemented today:
 - the named cargo-price strip `106..176` now sits on explicit
   `blocked_evidence_blocked_descriptor` parity instead of generic unmapped-descriptor frontier;
   the checked-in semantic catalog now at least gives that band stable `Named Cargo Price Slot N`
-  labels instead of anonymous `Unknown Cargo Price` residue
+  labels instead of anonymous `Unknown Cargo Price` residue, and the checked-in static CargoTypes
+  corpora now make the evidence gap explicit because they cover `51` names in the broader 1.06
+  install and `41` in the 1.05 install while the named price strip still spans `71` descriptors
 - the add-building strip `503..519` is now explicitly classified as recovered shell-owned parity
   with tracked fixture coverage, not generic unresolved descriptor residue
 - a minimal event-owned train surface and an opaque economic-status lane now exist in runtime

fixtures/runtime/packed-event-selection-only-context-overlay-fixture.json

@@ -0,0 +1,47 @@
+{
+  "format_version": 1,
+  "fixture_id": "packed-event-selection-only-context-overlay-fixture",
+  "source": {
+    "kind": "captured-runtime",
+    "description": "Fixture proving selection-only raw save company/chairman context overrides base selected ids without replacing base rosters."
+  },
+  "state_import_path": "packed-event-selection-only-context-overlay.json",
+  "commands": [
+    {
+      "kind": "service_trigger_kind",
+      "trigger_kind": 7
+    }
+  ],
+  "expected_summary": {
+    "calendar_projection_source": "base-snapshot-preserved",
+    "calendar_projection_is_placeholder": false,
+    "company_count": 2,
+    "chairman_profile_count": 2,
+    "selected_chairman_profile_id": 2,
+    "packed_event_collection_present": false,
+    "event_runtime_record_count": 0,
+    "total_event_record_service_count": 0,
+    "total_trigger_dispatch_count": 1
+  },
+  "expected_state_fragment": {
+    "selected_company_id": 2,
+    "selected_chairman_profile_id": 2,
+    "companies": [
+      {
+        "company_id": 1
+      },
+      {
+        "company_id": 2
+      }
+    ],
+    "chairman_profiles": [
+      {
+        "profile_id": 1
+      },
+      {
+        "profile_id": 2
+      }
+    ],
+    "event_runtime_records": []
+  }
+}

fixtures/runtime/packed-event-selection-only-context-overlay.json

@@ -0,0 +1,10 @@
+{
+  "format_version": 1,
+  "import_id": "packed-event-selection-only-context-overlay",
+  "source": {
+    "description": "Overlay import document proving selection-only save-native company/chairman context can override base selected ids while preserving base rosters.",
+    "notes": []
+  },
+  "base_snapshot_path": "packed-event-chairman-overlay-base-snapshot.json",
+  "save_slice_path": "packed-event-selection-only-context-save-slice.json"
+}

fixtures/runtime/packed-event-selection-only-context-save-slice.json

@@ -0,0 +1,45 @@
+{
+  "format_version": 1,
+  "save_slice_id": "packed-event-selection-only-context-save-slice",
+  "source": {
+    "description": "Tracked save-slice document carrying raw-save-derived selection-only company/chairman context without reconstructed rosters.",
+    "original_save_filename": "captured-selection-only-context.gms",
+    "original_save_sha256": "selection-only-context-sample-sha256",
+    "notes": [
+      "tracked as JSON save-slice document rather than raw .smp",
+      "pins the selection-only company/chairman context boundary from the fixed 0x32c8 world block"
+    ]
+  },
+  "save_slice": {
+    "file_extension_hint": "gms",
+    "container_profile_family": "rt3-105-save-container-v1",
+    "mechanism_family": "rt3-105-save-post-span-bridge-v1",
+    "mechanism_confidence": "mixed",
+    "trailer_family": "rt3-105-save-trailer-v1",
+    "bridge_family": "rt3-105-save-post-span-bridge-v1",
+    "profile": null,
+    "candidate_availability_table": null,
+    "named_locomotive_availability_table": null,
+    "locomotive_catalog": null,
+    "cargo_catalog": null,
+    "company_roster": {
+      "source_kind": "save-direct-world-block-company-selection-only",
+      "semantic_family": "scenario-selected-company-context",
+      "observed_entry_count": 0,
+      "selected_company_id": 2,
+      "entries": []
+    },
+    "chairman_profile_table": {
+      "source_kind": "save-direct-world-block-chairman-selection-only",
+      "semantic_family": "scenario-selected-chairman-context",
+      "observed_entry_count": 0,
+      "selected_chairman_profile_id": 2,
+      "entries": []
+    },
+    "special_conditions_table": null,
+    "event_runtime_collection": null,
+    "notes": [
+      "selection-only save-native company/chairman context without reconstructed raw rosters"
+    ]
+  }
+}

fixtures/runtime/packed-event-stock-prices-shell-save-slice-fixture.json

@@ -0,0 +1,39 @@
+{
+  "format_version": 1,
+  "fixture_id": "packed-event-stock-prices-shell-save-slice-fixture",
+  "source": {
+    "kind": "captured-runtime",
+    "description": "Fixture pinning the explicit shell-owned descriptor frontier for recovered Stock Prices rows."
+  },
+  "state_save_slice_path": "packed-event-stock-prices-shell-save-slice.json",
+  "commands": [
+    {
+      "kind": "service_trigger_kind",
+      "trigger_kind": 7
+    }
+  ],
+  "expected_summary": {
+    "calendar_projection_source": "default-1830-placeholder",
+    "calendar_projection_is_placeholder": true,
+    "company_count": 2,
+    "chairman_profile_count": 2,
+    "packed_event_collection_present": true,
+    "packed_event_record_count": 1,
+    "packed_event_decoded_record_count": 1,
+    "packed_event_parity_only_record_count": 1,
+    "packed_event_blocked_shell_owned_descriptor_count": 1,
+    "event_runtime_record_count": 0,
+    "total_event_record_service_count": 0,
+    "total_trigger_dispatch_count": 1
+  },
+  "expected_state_fragment": {
+    "packed_event_collection": {
+      "records": [
+        {
+          "import_outcome": "blocked_shell_owned_descriptor"
+        }
+      ]
+    },
+    "event_runtime_records": []
+  }
+}

fixtures/runtime/packed-event-stock-prices-shell-save-slice.json

@@ -0,0 +1,219 @@
+{
+  "format_version": 1,
+  "save_slice_id": "packed-event-stock-prices-shell-save-slice",
+  "source": {
+    "description": "Tracked save-slice document pinning a recovered shell-owned Stock Prices descriptor.",
+    "original_save_filename": "captured-stock-prices-shell.gms",
+    "original_save_sha256": "stock-prices-shell-sample-sha256",
+    "notes": [
+      "tracked as JSON save-slice document rather than raw .smp",
+      "pins the explicit shell-owned descriptor frontier for recovered company finance rows"
+    ]
+  },
+  "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,
+    "named_locomotive_availability_table": null,
+    "cargo_catalog": null,
+    "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": 28864,
+      "records_tag_offset": 29120,
+      "close_tag_offset": 29632,
+      "packed_state_version": 1001,
+      "packed_state_version_hex": "0x000003e9",
+      "live_id_bound": 75,
+      "live_record_count": 1,
+      "live_entry_ids": [
+        75
+      ],
+      "decoded_record_count": 1,
+      "imported_runtime_record_count": 0,
+      "records": [
+        {
+          "record_index": 0,
+          "live_entry_id": 75,
+          "payload_offset": 29122,
+          "payload_len": 120,
+          "decode_status": "parity_only",
+          "payload_family": "real_packed_v1",
+          "trigger_kind": 7,
+          "active": null,
+          "marks_collection_dirty": null,
+          "one_shot": false,
+          "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": [],
+          "standalone_condition_row_count": 0,
+          "standalone_condition_rows": [],
+          "negative_sentinel_scope": null,
+          "grouped_effect_row_counts": [
+            1,
+            0,
+            0,
+            0
+          ],
+          "grouped_effect_rows": [
+            {
+              "group_index": 0,
+              "row_index": 0,
+              "descriptor_id": 55,
+              "descriptor_label": "Stock Prices",
+              "target_mask_bits": 11,
+              "parameter_family": "company_finance_shell_scalar",
+              "opcode": 3,
+              "raw_scalar_value": 120,
+              "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 Stock Prices to 120",
+              "locomotive_name": null,
+              "notes": [
+                "descriptor recovered in the checked-in effect table as shell_owned parity"
+              ]
+            }
+          ],
+          "decoded_conditions": [],
+          "decoded_actions": [],
+          "executable_import_ready": false,
+          "notes": [
+            "stock-prices descriptor is recovered but remains shell-owned parity"
+          ]
+        }
+      ]
+    },
+    "notes": [
+      "recovered shell-owned company-finance descriptor sample"
+    ],
+    "company_roster": {
+      "source_kind": "tracked-save-slice-company-roster",
+      "semantic_family": "save-slice-runtime-company-context",
+      "observed_entry_count": 2,
+      "selected_company_id": 1,
+      "entries": [
+        {
+          "company_id": 1,
+          "active": true,
+          "controller_kind": "human",
+          "current_cash": 150,
+          "debt": 80,
+          "credit_rating_score": 650,
+          "prime_rate": 5,
+          "available_track_laying_capacity": 6,
+          "track_piece_counts": {
+            "total": 20,
+            "single": 5,
+            "double": 8,
+            "transition": 1,
+            "electric": 3,
+            "non_electric": 17
+          },
+          "linked_chairman_profile_id": 1,
+          "book_value_per_share": 2620,
+          "investor_confidence": 37,
+          "management_attitude": 58,
+          "takeover_cooldown_year": 1839,
+          "merger_cooldown_year": 1838
+        },
+        {
+          "company_id": 2,
+          "active": true,
+          "controller_kind": "ai",
+          "current_cash": 90,
+          "debt": 40,
+          "credit_rating_score": 480,
+          "prime_rate": 6,
+          "available_track_laying_capacity": 2,
+          "track_piece_counts": {
+            "total": 8,
+            "single": 2,
+            "double": 2,
+            "transition": 0,
+            "electric": 1,
+            "non_electric": 7
+          },
+          "linked_chairman_profile_id": 2,
+          "book_value_per_share": 1400,
+          "investor_confidence": 22,
+          "management_attitude": 31,
+          "takeover_cooldown_year": null,
+          "merger_cooldown_year": null
+        }
+      ]
+    },
+    "chairman_profile_table": {
+      "source_kind": "tracked-save-slice-chairman-profile-table",
+      "semantic_family": "save-slice-runtime-chairman-context",
+      "observed_entry_count": 2,
+      "selected_chairman_profile_id": 1,
+      "entries": [
+        {
+          "profile_id": 1,
+          "name": "Chairman One",
+          "active": true,
+          "current_cash": 500,
+          "linked_company_id": 1,
+          "company_holdings": {
+            "1": 1000
+          },
+          "holdings_value_total": 700,
+          "net_worth_total": 1200,
+          "purchasing_power_total": 1500
+        },
+        {
+          "profile_id": 2,
+          "name": "Chairman Two",
+          "active": true,
+          "current_cash": 250,
+          "linked_company_id": 2,
+          "company_holdings": {
+            "2": 900
+          },
+          "holdings_value_total": 600,
+          "net_worth_total": 900,
+          "purchasing_power_total": 1100
+        }
+      ]
+    }
+  }
+}