diff --git a/drizzle/0037_goofy_quentin_quire.sql b/drizzle/0037_goofy_quentin_quire.sql
new file mode 100644
index 0000000..e3fbbde
--- /dev/null
+++ b/drizzle/0037_goofy_quentin_quire.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `sourceFiles` ADD `contentHash` varchar(64);--> statement-breakpoint
+ALTER TABLE `sourceFiles` ADD CONSTRAINT `source_file_content_hash_unique` UNIQUE(`contentHash`);
\ No newline at end of file
diff --git a/drizzle/meta/0037_snapshot.json b/drizzle/meta/0037_snapshot.json
new file mode 100644
index 0000000..774409c
--- /dev/null
+++ b/drizzle/meta/0037_snapshot.json
@@ -0,0 +1,2372 @@
+{
+  "version": "5",
+  "dialect": "mysql",
+  "id": "d0ab0659-6a58-45a5-9da2-a3bc5538bb3c",
+  "prevId": "728ba895-5eda-452b-8c20-b42c4abade47",
+  "tables": {
+    "accountingAllocationList": {
+      "name": "accountingAllocationList",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {
+        "user_allocation_unique": {
+          "name": "user_allocation_unique",
+          "columns": [
+            "userId",
+            "name"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "accountingAllocationList_id": {
+          "name": "accountingAllocationList_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "automationRules": {
+      "name": "automationRules",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "isActive": {
+          "name": "isActive",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "priority": {
+          "name": "priority",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "conditions": {
+          "name": "conditions",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "conditionsLogic": {
+          "name": "conditionsLogic",
+          "type": "enum('AND','OR')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'AND'"
+        },
+        "actions": {
+          "name": "actions",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "automationRules_id": {
+          "name": "automationRules_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "bapHistory": {
+      "name": "bapHistory",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "invoiceId": {
+          "name": "invoiceId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "supplierName": {
+          "name": "supplierName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "invoiceNumber": {
+          "name": "invoiceNumber",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "invoiceDate": {
+          "name": "invoiceDate",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "totalAmount": {
+          "name": "totalAmount",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "typeAchat": {
+          "name": "typeAchat",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "serviceConcerne": {
+          "name": "serviceConcerne",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "ventilationComptable": {
+          "name": "ventilationComptable",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "recipientName": {
+          "name": "recipientName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exportMode": {
+          "name": "exportMode",
+          "type": "enum('browser','folder')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'browser'"
+        },
+        "exportPath": {
+          "name": "exportPath",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "pdfUrl": {
+          "name": "pdfUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "signatureName": {
+          "name": "signatureName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointUploadStatus": {
+          "name": "sharepointUploadStatus",
+          "type": "enum('success','error','skipped')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointUploadPath": {
+          "name": "sharepointUploadPath",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointUploadError": {
+          "name": "sharepointUploadError",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "validatedAt": {
+          "name": "validatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "bapHistory_id": {
+          "name": "bapHistory_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "deletedInvoices": {
+      "name": "deletedInvoices",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "invoiceNumber": {
+          "name": "invoiceNumber",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "totalAmount": {
+          "name": "totalAmount",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "supplierName": {
+          "name": "supplierName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "deletedAt": {
+          "name": "deletedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "deletedInvoices_id": {
+          "name": "deletedInvoices_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "departmentList": {
+      "name": "departmentList",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {
+        "user_department_unique": {
+          "name": "user_department_unique",
+          "columns": [
+            "userId",
+            "name"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "departmentList_id": {
+          "name": "departmentList_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "freeproImports": {
+      "name": "freeproImports",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "moisLabel": {
+          "name": "moisLabel",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "annee": {
+          "name": "annee",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "mois": {
+          "name": "mois",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "refPiece": {
+          "name": "refPiece",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "fileName": {
+          "name": "fileName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "nbLignes": {
+          "name": "nbLignes",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "totalTtc": {
+          "name": "totalTtc",
+          "type": "varchar(30)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointUploadStatus": {
+          "name": "sharepointUploadStatus",
+          "type": "enum('success','error')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointUploadPath": {
+          "name": "sharepointUploadPath",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointUploadError": {
+          "name": "sharepointUploadError",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sharepointExportedAt": {
+          "name": "sharepointExportedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "freeproImports_id": {
+          "name": "freeproImports_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "freeproSettings": {
+      "name": "freeproSettings",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "portalUrl": {
+          "name": "portalUrl",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'https://pro.free.fr'"
+        },
+        "loginEmail": {
+          "name": "loginEmail",
+          "type": "varchar(320)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "loginPassword": {
+          "name": "loginPassword",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "frequency": {
+          "name": "frequency",
+          "type": "enum('manual','daily','weekly','monthly')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'manual'"
+        },
+        "maxAnteriority": {
+          "name": "maxAnteriority",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "autoEnabled": {
+          "name": "autoEnabled",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "lastSuccessAt": {
+          "name": "lastSuccessAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "lastStatus": {
+          "name": "lastStatus",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "lastImportCount": {
+          "name": "lastImportCount",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "freeproSettings_id": {
+          "name": "freeproSettings_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {
+        "freeproSettings_userId_unique": {
+          "name": "freeproSettings_userId_unique",
+          "columns": [
+            "userId"
+          ]
+        }
+      },
+      "checkConstraint": {}
+    },
+    "freeproVentilationLines": {
+      "name": "freeproVentilationLines",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "importId": {
+          "name": "importId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "structure": {
+          "name": "structure",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "type": {
+          "name": "type",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "montantCentimes": {
+          "name": "montantCentimes",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "freeproVentilationLines_id": {
+          "name": "freeproVentilationLines_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "importLogs": {
+      "name": "importLogs",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "sourceFileId": {
+          "name": "sourceFileId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileName": {
+          "name": "fileName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "totalInvoicesDetected": {
+          "name": "totalInvoicesDetected",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "invoicesImported": {
+          "name": "invoicesImported",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "duplicatesIgnored": {
+          "name": "duplicatesIgnored",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "errors": {
+          "name": "errors",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "duplicateDetails": {
+          "name": "duplicateDetails",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "errorDetails": {
+          "name": "errorDetails",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "warningMessage": {
+          "name": "warningMessage",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "importSource": {
+          "name": "importSource",
+          "type": "enum('file','folder','email')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'file'"
+        },
+        "importedAt": {
+          "name": "importedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "importLogs_id": {
+          "name": "importLogs_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "importSettings": {
+      "name": "importSettings",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "manualImportEnabled": {
+          "name": "manualImportEnabled",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "autoImportEnabled": {
+          "name": "autoImportEnabled",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "autoImportSourcePath": {
+          "name": "autoImportSourcePath",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "autoImportFrequency": {
+          "name": "autoImportFrequency",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 60
+        },
+        "emailImportEnabled": {
+          "name": "emailImportEnabled",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "emailImportAddress": {
+          "name": "emailImportAddress",
+          "type": "varchar(320)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "emailImportPassword": {
+          "name": "emailImportPassword",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "emailImportHost": {
+          "name": "emailImportHost",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "emailImportPort": {
+          "name": "emailImportPort",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 993
+        },
+        "emailImportFrequency": {
+          "name": "emailImportFrequency",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 30
+        },
+        "emailImportSinceDate": {
+          "name": "emailImportSinceDate",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "emailImportAuthMode": {
+          "name": "emailImportAuthMode",
+          "type": "enum('basic','oauth2')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'basic'"
+        },
+        "exportFolder": {
+          "name": "exportFolder",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exportFolderType": {
+          "name": "exportFolderType",
+          "type": "enum('local','teams','sharepoint')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'local'"
+        },
+        "bapExportMode": {
+          "name": "bapExportMode",
+          "type": "enum('browser','folder','both')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'browser'"
+        },
+        "azureTenantId": {
+          "name": "azureTenantId",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "azureClientId": {
+          "name": "azureClientId",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "azureClientSecret": {
+          "name": "azureClientSecret",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "azureSecretExpiresAt": {
+          "name": "azureSecretExpiresAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "aiProvider": {
+          "name": "aiProvider",
+          "type": "enum('mistral','manus','gemini')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'mistral'"
+        },
+        "mistralApiKey": {
+          "name": "mistralApiKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "manusForgeApiKey": {
+          "name": "manusForgeApiKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "manusForgeApiUrl": {
+          "name": "manusForgeApiUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "geminiApiKey": {
+          "name": "geminiApiKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "importSettings_id": {
+          "name": "importSettings_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {
+        "importSettings_userId_unique": {
+          "name": "importSettings_userId_unique",
+          "columns": [
+            "userId"
+          ]
+        }
+      },
+      "checkConstraint": {}
+    },
+    "invoiceLearnings": {
+      "name": "invoiceLearnings",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "supplierKey": {
+          "name": "supplierKey",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fieldName": {
+          "name": "fieldName",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "originalValue": {
+          "name": "originalValue",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "correctedValue": {
+          "name": "correctedValue",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "applyCount": {
+          "name": "applyCount",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "invoiceLearnings_id": {
+          "name": "invoiceLearnings_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "invoices": {
+      "name": "invoices",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "sourceFileId": {
+          "name": "sourceFileId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "invoiceIndexInFile": {
+          "name": "invoiceIndexInFile",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "fileName": {
+          "name": "fileName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileKey": {
+          "name": "fileKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileUrl": {
+          "name": "fileUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "supplierName": {
+          "name": "supplierName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "invoiceNumber": {
+          "name": "invoiceNumber",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "invoiceDate": {
+          "name": "invoiceDate",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "deliveryNoteNumber": {
+          "name": "deliveryNoteNumber",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "orderNumber": {
+          "name": "orderNumber",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "totalAmount": {
+          "name": "totalAmount",
+          "type": "decimal(10,2)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "recipientName": {
+          "name": "recipientName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "pageRange": {
+          "name": "pageRange",
+          "type": "varchar(20)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "qualityScore": {
+          "name": "qualityScore",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "metadataFileKey": {
+          "name": "metadataFileKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "metadataFileUrl": {
+          "name": "metadataFileUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "status": {
+          "name": "status",
+          "type": "enum('processing','completed','error')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'processing'"
+        },
+        "errorMessage": {
+          "name": "errorMessage",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exportStatus": {
+          "name": "exportStatus",
+          "type": "enum('not_exported','exported','export_error')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'not_exported'"
+        },
+        "manuallyEdited": {
+          "name": "manuallyEdited",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "serviceConcerne": {
+          "name": "serviceConcerne",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "typeAchat": {
+          "name": "typeAchat",
+          "type": "enum('CAPEX','OPEX')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "ventilationComptable": {
+          "name": "ventilationComptable",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "autoFilledFields": {
+          "name": "autoFilledFields",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "extractedText": {
+          "name": "extractedText",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "isSubscription": {
+          "name": "isSubscription",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "bapValidated": {
+          "name": "bapValidated",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "bapValidatedAt": {
+          "name": "bapValidatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exportedAt": {
+          "name": "exportedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exportMode": {
+          "name": "exportMode",
+          "type": "enum('manual','automatic')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {
+        "supplier_invoice_date_unique": {
+          "name": "supplier_invoice_date_unique",
+          "columns": [
+            "supplierName",
+            "invoiceNumber",
+            "invoiceDate"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "invoices_id": {
+          "name": "invoices_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "llmFieldsConfig": {
+      "name": "llmFieldsConfig",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fieldName": {
+          "name": "fieldName",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "displayName": {
+          "name": "displayName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "isRequired": {
+          "name": "isRequired",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "displayOrder": {
+          "name": "displayOrder",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "llmFieldsConfig_id": {
+          "name": "llmFieldsConfig_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "llmLogs": {
+      "name": "llmLogs",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "sourceFileId": {
+          "name": "sourceFileId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "invoiceId": {
+          "name": "invoiceId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "operation": {
+          "name": "operation",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "model": {
+          "name": "model",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "promptSent": {
+          "name": "promptSent",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "rawResponse": {
+          "name": "rawResponse",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "cleanedResponse": {
+          "name": "cleanedResponse",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "success": {
+          "name": "success",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "errorMessage": {
+          "name": "errorMessage",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "processingTimeMs": {
+          "name": "processingTimeMs",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "pageRange": {
+          "name": "pageRange",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "llmLogs_id": {
+          "name": "llmLogs_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "serviceSignatures": {
+      "name": "serviceSignatures",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "serviceName": {
+          "name": "serviceName",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "signatureId": {
+          "name": "signatureId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {
+        "user_service_unique": {
+          "name": "user_service_unique",
+          "columns": [
+            "userId",
+            "serviceName"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "serviceSignatures_id": {
+          "name": "serviceSignatures_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "signatures": {
+      "name": "signatures",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "firstName": {
+          "name": "firstName",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "lastName": {
+          "name": "lastName",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "imageKey": {
+          "name": "imageKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "imageUrl": {
+          "name": "imageUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "signatures_id": {
+          "name": "signatures_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "sourceFiles": {
+      "name": "sourceFiles",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileName": {
+          "name": "fileName",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileKey": {
+          "name": "fileKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileUrl": {
+          "name": "fileUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "contentHash": {
+          "name": "contentHash",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "totalInvoicesDetected": {
+          "name": "totalInvoicesDetected",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "processingStatus": {
+          "name": "processingStatus",
+          "type": "enum('processing','completed','error')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'processing'"
+        },
+        "processingProgress": {
+          "name": "processingProgress",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {
+        "source_file_content_hash_unique": {
+          "name": "source_file_content_hash_unique",
+          "columns": [
+            "contentHash"
+          ],
+          "isUnique": true
+        }
+      },
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "sourceFiles_id": {
+          "name": "sourceFiles_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "userSettings": {
+      "name": "userSettings",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "llmModel": {
+          "name": "llmModel",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'mistral-large-latest'"
+        },
+        "orderNumberFormat": {
+          "name": "orderNumberFormat",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "invoiceNumberKeywords": {
+          "name": "invoiceNumberKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "deliveryNoteKeywords": {
+          "name": "deliveryNoteKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "orderNumberKeywords": {
+          "name": "orderNumberKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "supplierKeywords": {
+          "name": "supplierKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "totalAmountKeywords": {
+          "name": "totalAmountKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "subscriptionKeywords": {
+          "name": "subscriptionKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "recipientKeywords": {
+          "name": "recipientKeywords",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sftpRecipientFilter": {
+          "name": "sftpRecipientFilter",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sftpHost": {
+          "name": "sftpHost",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sftpPort": {
+          "name": "sftpPort",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 22
+        },
+        "sftpUsername": {
+          "name": "sftpUsername",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sftpPassword": {
+          "name": "sftpPassword",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sftpRemotePath": {
+          "name": "sftpRemotePath",
+          "type": "varchar(500)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": "'/'"
+        },
+        "sftpAutoExport": {
+          "name": "sftpAutoExport",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "llmLogsRetentionMonths": {
+          "name": "llmLogsRetentionMonths",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 3
+        },
+        "learningConfidenceThreshold": {
+          "name": "learningConfidenceThreshold",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 2
+        },
+        "aiProvider": {
+          "name": "aiProvider",
+          "type": "enum('mistral','manus','gemini')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'mistral'"
+        },
+        "mistralApiKey": {
+          "name": "mistralApiKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "manusForgeApiKey": {
+          "name": "manusForgeApiKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "manusForgeApiUrl": {
+          "name": "manusForgeApiUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "geminiApiKey": {
+          "name": "geminiApiKey",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "userSettings_id": {
+          "name": "userSettings_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {
+        "userSettings_userId_unique": {
+          "name": "userSettings_userId_unique",
+          "columns": [
+            "userId"
+          ]
+        }
+      },
+      "checkConstraint": {}
+    },
+    "users": {
+      "name": "users",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "openId": {
+          "name": "openId",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "azureAdId": {
+          "name": "azureAdId",
+          "type": "varchar(128)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(320)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "passwordHash": {
+          "name": "passwordHash",
+          "type": "varchar(255)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "loginMethod": {
+          "name": "loginMethod",
+          "type": "enum('manus','local','azure-ad')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "role": {
+          "name": "role",
+          "type": "enum('user','admin')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'user'"
+        },
+        "isActive": {
+          "name": "isActive",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        },
+        "lastSignedIn": {
+          "name": "lastSignedIn",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "users_id": {
+          "name": "users_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {
+        "users_openId_unique": {
+          "name": "users_openId_unique",
+          "columns": [
+            "openId"
+          ]
+        },
+        "users_azureAdId_unique": {
+          "name": "users_azureAdId_unique",
+          "columns": [
+            "azureAdId"
+          ]
+        },
+        "users_email_unique": {
+          "name": "users_email_unique",
+          "columns": [
+            "email"
+          ]
+        }
+      },
+      "checkConstraint": {}
+    },
+    "webImportSources": {
+      "name": "webImportSources",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "varchar(100)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "connectorType": {
+          "name": "connectorType",
+          "type": "varchar(50)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "portalUrl": {
+          "name": "portalUrl",
+          "type": "varchar(500)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "loginEmail": {
+          "name": "loginEmail",
+          "type": "varchar(320)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "loginPassword": {
+          "name": "loginPassword",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "frequency": {
+          "name": "frequency",
+          "type": "enum('manual','daily','weekly','monthly')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'monthly'"
+        },
+        "autoEnabled": {
+          "name": "autoEnabled",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "lastSuccessAt": {
+          "name": "lastSuccessAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "lastStatus": {
+          "name": "lastStatus",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "lastImportCount": {
+          "name": "lastImportCount",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "apiToken": {
+          "name": "apiToken",
+          "type": "varchar(128)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "webImportSources_id": {
+          "name": "webImportSources_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    }
+  },
+  "views": {},
+  "_meta": {
+    "schemas": {},
+    "tables": {},
+    "columns": {}
+  },
+  "internal": {
+    "tables": {},
+    "indexes": {}
+  }
+}
\ No newline at end of file
diff --git a/drizzle/meta/_journal.json b/drizzle/meta/_journal.json
index 710d19d..102f761 100644
--- a/drizzle/meta/_journal.json
+++ b/drizzle/meta/_journal.json
@@ -260,6 +260,13 @@
       "when": 1785419093588,
       "tag": "0036_broken_rattler",
       "breakpoints": true
+    },
+    {
+      "idx": 37,
+      "version": "5",
+      "when": 1787394418464,
+      "tag": "0037_goofy_quentin_quire",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/drizzle/schema.ts b/drizzle/schema.ts
index 6425776..8a0bfad 100644
--- a/drizzle/schema.ts
+++ b/drizzle/schema.ts
@@ -36,12 +36,16 @@ export const sourceFiles = mysqlTable("sourceFiles", {
   fileName: varchar("fileName", { length: 255 }).notNull(),
   fileKey: text("fileKey").notNull(), // Local storage key with YYYY-MM prefix
   fileUrl: text("fileUrl").notNull(), // Public URL
+  /** Empreinte du PDF source, globale à l'application pour bloquer tout réimport identique. */
+  contentHash: varchar("contentHash", { length: 64 }),
   totalInvoicesDetected: int("totalInvoicesDetected").default(0).notNull(),
   processingStatus: mysqlEnum("processingStatus", ["processing", "completed", "error"]).default("processing").notNull(),
   processingProgress: varchar("processingProgress", { length: 255 }), // Progress message (e.g., "Extraction 3/9 factures...")
   createdAt: timestamp("createdAt").defaultNow().notNull(),
   updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
-});
+}, (table) => ({
+  contentHashIdx: uniqueIndex("source_file_content_hash_unique").on(table.contentHash),
+}));
 
 export type SourceFile = typeof sourceFiles.$inferSelect;
 export type InsertSourceFile = typeof sourceFiles.$inferInsert;
diff --git a/server/_core/index.ts b/server/_core/index.ts
index 4c2ccc6..1d90cd7 100644
--- a/server/_core/index.ts
+++ b/server/_core/index.ts
@@ -17,7 +17,8 @@ import { startEmailImportService } from "../emailImportService";
 import { startFolderImportService } from "../folderImportService";
 import { handleAzureCallback, isAzureAdConfigured, generateToken, verifyToken } from "../auth";
 import { createDatabaseBackup } from "../databaseBackup";
-import { generateStorageKey, localStoragePut } from "../localStorage";
+import { generateStorageKey, localStorageDelete, localStoragePut } from "../localStorage";
+import { calculateFileSha256 } from "../fileFingerprint";
 
 const MAX_WEB_IMPORT_BYTES = 20 * 1024 * 1024;
 
@@ -305,7 +306,7 @@ async function startServer() {
         return;
       }
 
-      const { getWebImportSourceByToken, createInvoice, findDuplicateInvoice, isInvoiceBlacklisted, updateWebImportSourceStatus, createSourceFile } = await import('../db');
+      const { getWebImportSourceByToken, createInvoice, findDuplicateInvoice, isInvoiceBlacklisted, updateWebImportSourceStatus, createSourceFile, getSourceFileByContentHash } = await import('../db');
       const source = await getWebImportSourceByToken(apiToken);
       if (!source) {
         res.status(401).json({ error: "Token invalide" });
@@ -317,15 +318,35 @@ async function startServer() {
         return;
       }
 
+      const contentHash = calculateFileSha256(pdfBuffer);
+      const existingSource = await getSourceFileByContentHash(contentHash);
+      if (existingSource) {
+        await updateWebImportSourceStatus(source.id, "success", 0, true);
+        res.json({ success: true, imported: 0, duplicates: 1, total: 1 });
+        return;
+      }
+
       // Stocker d'abord le PDF de façon persistante, comme les autres sources d'import.
       const storageKey = generateStorageKey(source.userId, safeFileName);
       const { url: fileUrl } = await localStoragePut(storageKey, pdfBuffer, "application/pdf");
-      const sourceFile = await createSourceFile({
-        userId: source.userId,
-        fileName: safeFileName,
-        fileKey: storageKey,
-        fileUrl,
-      });
+      let sourceFile;
+      try {
+        sourceFile = await createSourceFile({
+          userId: source.userId,
+          fileName: safeFileName,
+          fileKey: storageKey,
+          fileUrl,
+          contentHash,
+        });
+      } catch (error: any) {
+        if (error?.code === "ER_DUP_ENTRY" || error?.errno === 1062) {
+          await localStorageDelete(storageKey).catch(() => undefined);
+          await updateWebImportSourceStatus(source.id, "success", 0, true);
+          res.json({ success: true, imported: 0, duplicates: 1, total: 1 });
+          return;
+        }
+        throw error;
+      }
       const userSettings = await getUserSettings(source.userId);
       const aiSettings = {
         aiProvider: userSettings?.aiProvider || "manus",
diff --git a/server/db.ts b/server/db.ts
index c407a22..1292f59 100644
--- a/server/db.ts
+++ b/server/db.ts
@@ -204,6 +204,22 @@ export async function createSourceFile(data: InsertSourceFile): Promise<SourceFi
   return inserted[0]!;
 }
 
+/**
+ * Recherche un PDF déjà ingéré, quel que soit le compte utilisateur.
+ * L'import email est partagé entre plusieurs identités : la détection doit donc
+ * être globale pour éviter qu'une même pièce soit retraitée sous chaque compte.
+ */
+export async function getSourceFileByContentHash(contentHash: string): Promise<SourceFile | undefined> {
+  const db = await getDb();
+  if (!db) return undefined;
+  const result = await db
+    .select()
+    .from(sourceFiles)
+    .where(eq(sourceFiles.contentHash, contentHash))
+    .limit(1);
+  return result[0];
+}
+
 export async function getSourceFileById(id: number): Promise<SourceFile | undefined> {
   const db = await getDb();
   if (!db) return undefined;
diff --git a/server/emailImportService.ts b/server/emailImportService.ts
index d837854..1210eb7 100644
--- a/server/emailImportService.ts
+++ b/server/emailImportService.ts
@@ -5,13 +5,15 @@ import {
   createSourceFile,
   updateSourceFile,
   getUserSettings,
+  getSourceFileByContentHash,
   findDuplicateInvoice,
   isInvoiceBlacklisted,
   createInvoice,
   createImportLog,
 } from "./db";
 import { extractInvoicesWithMistral, generateMetadataJSON } from "./invoiceExtractor";
-import { localStoragePut, generateStorageKey } from "./localStorage";
+import { localStorageDelete, localStoragePut, generateStorageKey } from "./localStorage";
+import { calculateFileSha256 } from "./fileFingerprint";
 import { sendImportNotification } from "./notificationService";
 import { getOffice365ImapToken, buildXOAuth2String } from "./office365OAuth";
 import { applyAutomationRules } from "./automationEngine";
@@ -32,6 +34,23 @@ interface EmailImportConfig {
 
 // Store active intervals for each user
 const activeIntervals = new Map<number, NodeJS.Timeout>();
+// Une extraction IA peut dépasser la fréquence configurée : ce verrou évite
+// qu'un second cycle IMAP traite les mêmes messages avant la fin du premier.
+const activeChecks = new Map<number, Promise<void>>();
+
+function runEmailCheckExclusive(config: EmailImportConfig): Promise<void> {
+  const runningCheck = activeChecks.get(config.userId);
+  if (runningCheck) {
+    console.log(`[EmailImport] Vérification déjà en cours pour user ${config.userId}, cycle ignoré`);
+    return runningCheck;
+  }
+
+  const check = checkEmailsForPDFs(config).finally(() => {
+    if (activeChecks.get(config.userId) === check) activeChecks.delete(config.userId);
+  });
+  activeChecks.set(config.userId, check);
+  return check;
+}
 
 /**
  * Process a single email attachment (PDF)
@@ -49,6 +68,21 @@ async function processEmailAttachment(
     // Convert attachment content to Buffer
     const fileBuffer = attachment.content;
     console.log(`[EmailImport] File size: ${fileBuffer.length} bytes`);
+
+    const contentHash = calculateFileSha256(fileBuffer);
+    const existingSource = await getSourceFileByContentHash(contentHash);
+    if (existingSource) {
+      console.log(
+        `[EmailImport] PDF déjà importé, extraction ignorée: ${fileName} -> source ${existingSource.id}`,
+      );
+      return {
+        success: true,
+        totalInvoices: Math.max(existingSource.totalInvoicesDetected, 1),
+        imported: 0,
+        duplicates: Math.max(existingSource.totalInvoicesDetected, 1),
+        errors: 0,
+      };
+    }
     
     // Store source file
     const sourceFileKey = generateStorageKey(userId, fileName);
@@ -65,13 +99,25 @@ async function processEmailAttachment(
     }
     
     // Create source file record
-    const sourceFile = await createSourceFile({
-      userId,
-      fileName,
-      fileKey: sourceFileKey,
-      fileUrl: sourceFileUrl,
-      processingStatus: "processing",
-    });
+    let sourceFile;
+    try {
+      sourceFile = await createSourceFile({
+        userId,
+        fileName,
+        fileKey: sourceFileKey,
+        fileUrl: sourceFileUrl,
+        contentHash,
+        processingStatus: "processing",
+      });
+    } catch (error: any) {
+      // La contrainte unique protège également contre deux imports concurrents.
+      if (error?.code === "ER_DUP_ENTRY" || error?.errno === 1062) {
+        await localStorageDelete(sourceFileKey).catch(() => undefined);
+        console.log(`[EmailImport] PDF réservé par un autre traitement: ${fileName}`);
+        return { success: true, totalInvoices: 1, imported: 0, duplicates: 1, errors: 0 };
+      }
+      throw error;
+    }
     
     console.log(`[EmailImport] Source file record created with ID: ${sourceFile.id}`);
     
@@ -383,64 +429,69 @@ async function checkEmailsForPDFs(config: EmailImportConfig): Promise<void> {
             markSeen: false, // Don't mark as seen yet
           });
 
-          const processedEmails: number[] = [];
+          const processedEmailUids: number[] = [];
+          const messageTasks: Promise<void>[] = [];
 
           fetch.on("message", (msg, seqno) => {
+            const uidPromise = new Promise<number>((resolveUid) => {
+              msg.once("attributes", (attributes) => resolveUid(attributes.uid));
+            });
+
             msg.on("body", (stream) => {
-              simpleParser(stream as any, async (err, parsed: ParsedMail) => {
-                if (err) {
-                  console.error("[EmailImport] Error parsing email:", err);
-                  return;
-                }
+              const task = (async () => {
+                try {
+                  const parsed: ParsedMail = await simpleParser(stream as any);
+                  const pdfAttachments = parsed.attachments.filter(
+                    (attachment) =>
+                      attachment.contentType === "application/pdf" ||
+                      attachment.filename?.toLowerCase().endsWith(".pdf"),
+                  );
 
-                // Check if email has PDF attachments
-                const pdfAttachments = parsed.attachments.filter(
-                  (att) =>
-                    att.contentType === "application/pdf" ||
-                    att.filename?.toLowerCase().endsWith(".pdf")
-                );
+                  if (pdfAttachments.length === 0) return;
 
-                if (pdfAttachments.length === 0) {
-                  return;
-                }
+                  console.log(
+                    `[EmailImport] Email ${seqno} has ${pdfAttachments.length} PDF attachment(s)`,
+                  );
 
-                console.log(
-                  `[EmailImport] Email ${seqno} has ${pdfAttachments.length} PDF attachment(s)`
-                );
+                  let allAttachmentsSucceeded = true;
+                  for (const attachment of pdfAttachments) {
+                    try {
+                      const result = await processEmailAttachment(
+                        config.userId,
+                        attachment,
+                        parsed.subject || "No subject",
+                      );
+                      allAttachmentsSucceeded = allAttachmentsSucceeded && result.success;
 
-                // Process each PDF attachment
-                for (const attachment of pdfAttachments) {
-                  try {
-                    const result = await processEmailAttachment(
-                      config.userId,
-                      attachment,
-                      parsed.subject || "No subject"
-                    );
-                    
-                    // Mark this email as successfully processed
-                    if (!processedEmails.includes(seqno)) {
-                      processedEmails.push(seqno);
+                      if (result.success) {
+                        await sendImportNotification(config.userId, {
+                          source: "email",
+                          fileName: attachment.filename || "email-attachment.pdf",
+                          totalInvoices: result.totalInvoices,
+                          imported: result.imported,
+                          duplicates: result.duplicates,
+                          errors: result.errors,
+                        });
+                      }
+                    } catch (error) {
+                      allAttachmentsSucceeded = false;
+                      console.error(
+                        `[EmailImport] Failed to process attachment from email ${seqno}:`,
+                        error,
+                      );
                     }
-                    
-                    // Send notification after successful processing
-                    if (result.success) {
-                      await sendImportNotification(config.userId, {
-                        source: "email",
-                        fileName: attachment.filename || "email-attachment.pdf",
-                        totalInvoices: result.totalInvoices,
-                        imported: result.imported,
-                        duplicates: result.duplicates,
-                        errors: result.errors,
-                      });
-                    }
-                  } catch (error) {
-                    console.error(
-                      `[EmailImport] Failed to process attachment from email ${seqno}:`,
-                      error
-                    );
                   }
+
+                  if (allAttachmentsSucceeded) {
+                    const uid = await uidPromise;
+                    if (!processedEmailUids.includes(uid)) processedEmailUids.push(uid);
+                  }
+                } catch (error) {
+                  console.error(`[EmailImport] Error parsing email ${seqno}:`, error);
                 }
-              });
+              })();
+
+              messageTasks.push(task);
             });
           });
 
@@ -450,16 +501,19 @@ async function checkEmailsForPDFs(config: EmailImportConfig): Promise<void> {
             reject(err);
           });
 
-          fetch.once("end", () => {
+          fetch.once("end", async () => {
             console.log(`[EmailImport] Finished fetching emails for user ${config.userId}`);
-            
-            // Mark successfully processed emails as seen
-            if (processedEmails.length > 0) {
-              imap.addFlags(processedEmails, ["\\Seen"], (err) => {
+
+            // Le flux IMAP peut se terminer avant les traitements IA asynchrones.
+            // On attend explicitement chaque message avant de le marquer comme lu.
+            await Promise.allSettled(messageTasks);
+
+            if (processedEmailUids.length > 0) {
+              imap.addFlags(processedEmailUids, ["\\Seen"], (err) => {
                 if (err) {
                   console.error("[EmailImport] Error marking emails as seen:", err);
                 } else {
-                  console.log(`[EmailImport] Marked ${processedEmails.length} emails as seen`);
+                  console.log(`[EmailImport] Marked ${processedEmailUids.length} emails as seen`);
                 }
                 imap.end();
                 resolve();
@@ -598,13 +652,13 @@ export async function startEmailImportService(userId: number): Promise<boolean>
     );
 
     // Run immediately on start
-    checkEmailsForPDFs(config).catch((error) => {
+    runEmailCheckExclusive(config).catch((error) => {
       console.error(`[EmailImport] Error checking emails for user ${userId}:`, error);
     });
 
     // Set up interval for periodic checks
     const interval = setInterval(() => {
-      checkEmailsForPDFs(config).catch((error) => {
+      runEmailCheckExclusive(config).catch((error) => {
         console.error(`[EmailImport] Error checking emails for user ${userId}:`, error);
       });
     }, frequencyMs);
@@ -670,7 +724,7 @@ export async function triggerEmailCheck(userId: number): Promise<{ success: bool
     };
 
     console.log(`[EmailImport] Manual check triggered for user ${userId}`);
-    await checkEmailsForPDFs(config);
+    await runEmailCheckExclusive(config);
     
     return { success: true, message: "Vérification terminée avec succès" };
   } catch (error: any) {
diff --git a/server/fileFingerprint.test.ts b/server/fileFingerprint.test.ts
new file mode 100644
index 0000000..f8d1cb8
--- /dev/null
+++ b/server/fileFingerprint.test.ts
@@ -0,0 +1,19 @@
+import { describe, expect, it } from "vitest";
+import { calculateFileSha256 } from "./fileFingerprint";
+
+describe("calculateFileSha256", () => {
+  it("retourne la même empreinte pour un contenu identique", () => {
+    const content = Buffer.from("facture-pdf");
+    expect(calculateFileSha256(content)).toBe(calculateFileSha256(Buffer.from(content)));
+  });
+
+  it("distingue deux contenus différents", () => {
+    expect(calculateFileSha256(Buffer.from("facture-a"))).not.toBe(
+      calculateFileSha256(Buffer.from("facture-b")),
+    );
+  });
+
+  it("produit une empreinte SHA-256 hexadécimale", () => {
+    expect(calculateFileSha256(Buffer.from("facture"))).toMatch(/^[a-f0-9]{64}$/);
+  });
+});
diff --git a/server/fileFingerprint.ts b/server/fileFingerprint.ts
new file mode 100644
index 0000000..7172828
--- /dev/null
+++ b/server/fileFingerprint.ts
@@ -0,0 +1,12 @@
+import { createHash } from "node:crypto";
+
+/**
+ * Calcule une empreinte déterministe sur les octets du document original.
+ *
+ * L'empreinte est calculée avant tout stockage ou traitement IA : deux imports
+ * du même PDF sont donc reconnus même si le nom du fichier ou l'utilisateur
+ * diffèrent.
+ */
+export function calculateFileSha256(buffer: Buffer): string {
+  return createHash("sha256").update(buffer).digest("hex");
+}
diff --git a/server/folderImportService.ts b/server/folderImportService.ts
index 8dc30aa..47b6ae7 100644
--- a/server/folderImportService.ts
+++ b/server/folderImportService.ts
@@ -4,6 +4,7 @@ import path from "path";
 import {
   getImportSettingsByUser,
   createSourceFile,
+  getSourceFileByContentHash,
   updateSourceFile,
   getUserSettings,
   findDuplicateInvoice,
@@ -11,7 +12,8 @@ import {
   createImportLog,
 } from "./db";
 import { extractInvoicesWithMistral, generateMetadataJSON } from "./invoiceExtractor";
-import { localStoragePut, generateStorageKey } from "./localStorage";
+import { localStorageDelete, localStoragePut, generateStorageKey } from "./localStorage";
+import { calculateFileSha256 } from "./fileFingerprint";
 import { sendImportNotification } from "./notificationService";
 
 interface FolderImportConfig {
@@ -41,6 +43,13 @@ async function processFolderFile(
     // Read the file
     const fileBuffer = await fs.readFile(filePath);
     console.log(`[FolderImport] File size: ${fileBuffer.length} bytes`);
+
+    const contentHash = calculateFileSha256(fileBuffer);
+    const existingSource = await getSourceFileByContentHash(contentHash);
+    if (existingSource) {
+      console.log(`[FolderImport] PDF déjà importé, fichier ignoré: ${fileName}`);
+      return { success: true, imported: 0, duplicates: 1, errors: 0 };
+    }
     
     // Store source file
     const sourceFileKey = generateStorageKey(userId, fileName);
@@ -57,13 +66,23 @@ async function processFolderFile(
     }
     
     // Create source file record
-    const sourceFile = await createSourceFile({
-      userId,
-      fileName,
-      fileKey: sourceFileKey,
-      fileUrl: sourceFileUrl,
-      processingStatus: "processing",
-    });
+    let sourceFile;
+    try {
+      sourceFile = await createSourceFile({
+        userId,
+        fileName,
+        fileKey: sourceFileKey,
+        fileUrl: sourceFileUrl,
+        contentHash,
+        processingStatus: "processing",
+      });
+    } catch (error: any) {
+      if (error?.code === "ER_DUP_ENTRY" || error?.errno === 1062) {
+        await localStorageDelete(sourceFileKey).catch(() => undefined);
+        return { success: true, imported: 0, duplicates: 1, errors: 0 };
+      }
+      throw error;
+    }
     
     console.log(`[FolderImport] Source file record created with ID: ${sourceFile.id}`);
     
diff --git a/server/routers.ts b/server/routers.ts
index a8d34a8..86d44ff 100644
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -24,6 +24,7 @@ import {
   searchInvoices,
   getInvoiceStats,
   createSourceFile,
+  getSourceFileByContentHash,
   getSourceFileById,
   updateSourceFile,
   getUserSettings,
@@ -87,6 +88,7 @@ import { loginLocal, hashPassword, getAzureAuthUrl, isAzureAdConfigured } from "
 import fsSync from "fs";
 import pathSync from "path";
 import { extractInvoicesWithMistral, generateMetadataJSON } from "./invoiceExtractor";
+import { calculateFileSha256 } from "./fileFingerprint";
 import { localStoragePut, generateStorageKey } from "./localStorage";
 import { testSftpConnection, exportInvoiceToSftp, getUserSftpConfig } from "./sftpExport";
 import { drawBapCartouche } from "./bapCartouche";
@@ -181,6 +183,17 @@ export const appRouter = router({
         // Decode base64 file data
         const fileBuffer = Buffer.from(input.fileData, "base64");
         console.log(`[Upload] Received file: ${input.fileName}, size: ${fileBuffer.length} bytes`);
+
+        // Le contrôle sur les octets du PDF intervient avant le stockage et l'appel IA.
+        // Il reste fiable même si le nom du fichier ou le compte utilisateur diffère.
+        const contentHash = calculateFileSha256(fileBuffer);
+        const existingSource = await getSourceFileByContentHash(contentHash);
+        if (existingSource) {
+          throw new TRPCError({
+            code: "CONFLICT",
+            message: `Ce PDF a déjà été importé (${existingSource.fileName}).`,
+          });
+        }
         
         // Store source file
         const sourceFileKey = generateStorageKey(userId, input.fileName);
@@ -202,6 +215,7 @@ export const appRouter = router({
           fileName: input.fileName,
           fileKey: sourceFileKey,
           fileUrl: sourceFileUrl,
+          contentHash,
           processingStatus: "processing",
         });
         
diff --git a/todo.md b/todo.md
index 37593e2..3d12780 100644
--- a/todo.md
+++ b/todo.md
@@ -702,3 +702,18 @@
 - [x] Documenter les modules métier, les invariants et les décisions techniques critiques
 - [x] Ajouter des tests de non-régression ciblés et vérifier build, types et tests
 - [x] Normaliser les valeurs OAuth de loginMethod avant écriture en base
+
+## Incident production — erreur HTTP 404
+- [x] Reproduire la 404 et contrôler le domaine, Traefik et les conteneurs
+- [x] Identifier et corriger la cause racine sans modifier les données
+- [x] Vérifier le retour HTTP 200 et la santé des conteneurs
+
+## Audit production — 674 factures affichées
+- [x] Compter les factures par utilisateur, source et statut
+- [x] Identifier les groupes de doublons selon plusieurs clés métier
+- [x] Vérifier les références de stockage et les effets de la fusion précédente
+- [x] Préparer une correction réversible sans suppression immédiate
+- [x] Sauvegarder la base et le volume puis suspendre les imports email
+- [x] Bloquer les réimports par empreinte PDF et fiabiliser le traitement IMAP
+- [ ] Déployer le correctif anti-réimport et migrer la base de production
+- [ ] Appliquer la correction confirmée et vérifier le comptage final