diff --git a/docs/investmoz/simulations/l1-secondhand-delivery-20261025.json b/docs/investmoz/simulations/l1-secondhand-delivery-20261025.json
new file mode 100644
index 00000000..1c863f40
--- /dev/null
+++ b/docs/investmoz/simulations/l1-secondhand-delivery-20261025.json
@@ -0,0 +1,143 @@
+{
+  "status": "ready_after_fresh_authenticated_preflight_and_verified_backup_restore",
+  "candidate": "0ebb20c86a8cfcee9fae56c38f6bfdc6b2ab80ab",
+  "base_installed": "6c12aabb3ac7f8296025a2af0408390bfe292bdb",
+  "coverage_complete_branches": {
+    "AUD-SIM-L1-P092": [
+      "reseller_margin"
+    ],
+    "AUD-SIM-L1-P093": [
+      "auction_margin"
+    ],
+    "AUD-SIM-L1-P125": [
+      "used_goods",
+      "art",
+      "collection",
+      "antique"
+    ]
+  },
+  "branch_count_complete": 3,
+  "treatment_count": 2,
+  "category_count": 4,
+  "QA_example_count": 8,
+  "runtime_delta": [
+    {
+      "path": "resources/js/lib/iva-secondhand.ts",
+      "sha256_LF": "de9cab0f8685c0be1072ce0b8b5ae98865383fa52f4487ecb62514ddb28d6fdc"
+    },
+    {
+      "path": "resources/js/components/simulation-secondhand.tsx",
+      "sha256_LF": "7a715a05635137d3b7b8a1eb3d554646c4553430904613235199fc6a254cec20"
+    },
+    {
+      "path": "resources/js/components/simulation-monthly-iva.tsx",
+      "sha256_LF": "338d5c4b9b60b2be6b3f059c543c92127222f621424854cba9a19651d86d2967"
+    },
+    {
+      "path": "resources/js/lib/project-dossier.ts",
+      "sha256_LF": "fe0b12b2acc5d1a59c862abf6c96e2e09c51193fc2e090e475dc0ec8673e23c9"
+    }
+  ],
+  "counts_before": {
+    "delivered": 111,
+    "QA": 3,
+    "functional_pending": 18,
+    "documentary": 1,
+    "total": 133
+  },
+  "counts_current": {
+    "delivered": 111,
+    "QA": 3,
+    "functional_pending": 18,
+    "documentary": 1,
+    "total": 133
+  },
+  "counts_after_delivery": {
+    "delivered": 114,
+    "QA": 0,
+    "functional_pending": 18,
+    "documentary": 1,
+    "total": 133
+  },
+  "QA_proofs_reused": [
+    "iva-l1-secondhand-qa-20261025.json"
+  ],
+  "authorization": "Tempo explicitly requests one joint delivery of0ebb20c8,P092/P093/P125,preserving concurrent changes and installeddelta only",
+  "scope": "2026/MZN,transmissões internas tributáveis e aquisição nacional com qualidade do fornecedor/comitente demonstrada. Duas fórmulas, quatro categorias, oito exemplos e três ramos; uma operação individual, sem dupla contagem. Apenas classificação/base:sem IVA calculado,nova dedução,campo11,regularização ou totaisModeloA. IVA identificado no leilão é componente referenciada. Exportação isenta e opção normal separadas; origens legadas35/42 permanecem indeterminadas.",
+  "source": "CIVA Lei13/2016:3(3)g/3(6),PDF7,p1426(265);15(2)f/g,PDF13,p1426(271). RIVA Decreto7/2008,BR16-I de16/04/2008,arts47–49,PDF8–9,p106–107. Lei22/2022 PDF3 mantém15f/g e fixa17(1)16%. Lei10/2025 não altera15/17 e revoga regimes35/42;referência antiga não os reactiva. Rectificação2017 sem alteração destas disposições.",
+  "meaning": {
+    "P092": "Revendedor: margem individual positiva da contraprestação total com IVA menos preço de compra justificado; dividir por 1.16 e arredondar a base à unidade. Perda conservada no bem, sem compensação entre transmissões. Opção pelo regime normal fica separada.",
+    "P093": "Organizador em nome próprio por conta do comitente, contrato de comissão e venda em leilão: base = facturado ao comprador menos líquido do comitente menos IVA próprio identificado. Líquido = adjudicação menos comissão. IVA desconhecido não é zero.",
+    "P125": "Classificação própria: bem usado reutilizável, arte, colecção ou antiguidade superior a 100 anos; critérios de 3(6) conservados. Categoria identificada não activa automaticamente a margem. Tiragem limitada a 200 exemplares e cerâmica única executada/assinada pelo artista nos percursos respectivos."
+  },
+  "classification_margin_separation": "P125 classifies goods;P092/P093 independently require eligible supplier/principal,territorial and regimeconditions;no automaticmargineligibility",
+  "preservation": "111priorclosures andpartialP084/P085 preserved;acceptedperbranchQA reused;one integration/backup/realisolatedrestore/check forwhole set",
+  "partial_P084_P085": "Preparation/conditional simulation only;benefits pending;no closure",
+  "limits": "L1aberto;P00105/06;P121digital/P084/P085pendentes;bebidasL2/L3;Estatísticas/IAadiadas",
+  "containment": "l1-secondhand-readonly-rollback-20261025.patch,checked only,not applied;blocks newP092/P093/P125calculations,preserves readers/history/otherbranches",
+  "authenticated_preflight": {
+    "installed": {
+      "status": "installed",
+      "commit": "6c12aabb3ac7f8296025a2af0408390bfe292bdb",
+      "release": "/var/www/investmoz-homologacao/releases/6c12aabb3ac7f8296025a2af0408390bfe292bdb-4c33615a",
+      "previous_release": "/var/www/investmoz-homologacao/releases/63cc336787cade92fb7ee5b2b2d407308a0cf66b-a32af166",
+      "database_migrations": 0,
+      "content_imports": 0
+    },
+    "current_link": "/var/www/investmoz-homologacao/releases/6c12aabb3ac7f8296025a2af0408390bfe292bdb-4c33615a",
+    "release_revision": {
+      "commit": "6c12aabb3ac7f8296025a2af0408390bfe292bdb",
+      "branch": "main",
+      "built_at": "2026-10-24T22:19:07.102372+00:00",
+      "manifest_sha256": "91a95647c3666b2dc9a322fbf7534e055c616872c791920d2cc004234c1b0d25"
+    },
+    "service": "ExecMainStatus=0\nActiveState=inactive\nSubState=dead\n",
+    "configuration_keys": [
+      "repository",
+      "branch",
+      "target_url",
+      "legacy_root",
+      "state_root",
+      "release_root",
+      "current_link",
+      "shared_assets",
+      "php",
+      "schema_contract",
+      "ci_environment",
+      "postgis_image",
+      "test_database",
+      "qa_port",
+      "retention",
+      "webhook_secret_file"
+    ],
+    "safe_paths": {
+      "repository": "nala/Investidor-V2",
+      "release_root": "/var/www/investmoz-homologacao/releases",
+      "postgis_image": "postgis/postgis@sha256:01a6a70e41e6c4467c8f55f6063555ed72db2d6662cd0d571040d42eadaeb6f6"
+    },
+    "pipeline_sha256": "adec1c17654f3a8658b83b134f1e75f95391b235738552721906c3236e388604"
+  },
+  "backup_restore": {
+    "backup": {
+      "stage": "/var/backups/investmoz-l1-secondhand-delivery-20261025/backup",
+      "target": {
+        "database": "teste_investidor",
+        "port": 5432
+      },
+      "tables": 174,
+      "files_verified": 369,
+      "dump_sha256": "d7c0767888ce08fcb078020cefe7a83634849939c6d436911475d6779a640c01",
+      "files_sha256": "e3b297c870dd26676004c495c1893cebf68be0ccbc013b2c073b93f63a4643e6",
+      "restore_verified": false
+    },
+    "restore": {
+      "restore_verified": true,
+      "tables_verified": 174,
+      "container_network": "none",
+      "database": "l1_secondhand_restore_20261024",
+      "port": 55441,
+      "source_dump_sha256": "d7c0767888ce08fcb078020cefe7a83634849939c6d436911475d6779a640c01",
+      "active_database_writes": 0
+    }
+  }
+}
diff --git a/docs/investmoz/simulations/l1-secondhand-readonly-rollback-20261025.patch b/docs/investmoz/simulations/l1-secondhand-readonly-rollback-20261025.patch
new file mode 100644
index 00000000..3ec07ad2
--- /dev/null
+++ b/docs/investmoz/simulations/l1-secondhand-readonly-rollback-20261025.patch
@@ -0,0 +1,10 @@
+--- a/resources/js/lib/iva-secondhand.ts
++++ b/resources/js/lib/iva-secondhand.ts
+@@ -74,6 +74,7 @@
+ function key(draft:Record<string,unknown>,book:SecondhandBook):string{return JSON.stringify({version:secondhandVersion,scope:acquisitionScope(draft),location:draft.selection_labels??{},currency:draft.currency,rows:book.rows});}
+ export function secondhandCurrent(draft:Record<string,unknown>,book:SecondhandBook):boolean{return!!book.result&&book.result.sourceKey===key(draft,book);}
+ export function recordSecondhands(draft:Record<string,unknown>,book:SecondhandBook):SecondhandBook{
++ throw new Error('Novos cálculos P092/P093/P125 temporariamente suspensos;dados,histórico,relatórios e restantes ramos preservados.');
+  if(!book.rows.length||new Set(book.rows.map(row=>row.id)).size!==book.rows.length)throw new Error('Indique operações com identificadores distintos;originais conservados.');
+  const result:SecondhandCalculation={version:secondhandVersion,revision:(book.result?.revision??0)+1,calculatedAt:new Date().toISOString(),opportunity:acquisitionScope(draft),location:JSON.stringify(draft.selection_labels??{}),sourceKey:key(draft,book),source:secondhandSource,inputs:structuredClone(book.rows),rows:book.rows.map(row=>evaluateSecondhand(row,draft.currency))};
+  const next={...book,result,history:[...(book.history??[]),...(book.result?[book.result]:[])]};saveSecondhandBook(draft,next);return next;