chore: Update copyright year from 2025 to 2026 across core files

- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.

application/Espo/Resources/metadata/entityDefs/CurrencyRecordRate.json

@@ -0,0 +1,84 @@
+{
+    "fields": {
+        "record": {
+            "type": "link",
+            "required": true,
+            "readOnlyAfterCreate": true,
+            "validatorClassNameList": [
+                "Espo\\Classes\\FieldValidators\\CurrencyRecordRate\\Record\\NonBase"
+            ]
+        },
+        "baseCode": {
+            "type": "varchar",
+            "readOnly": true,
+            "maxLength": 3
+        },
+        "date": {
+            "type": "date",
+            "required": true,
+            "readOnlyAfterCreate": true,
+            "default": "javascript: return this.dateTime.getToday();"
+        },
+        "rate": {
+            "type": "decimal",
+            "decimalPlaces": 6,
+            "min": 0.0001,
+            "precision": 15,
+            "scale": 8,
+            "required": true,
+            "audited": true,
+            "view": "views/currency-record-rate/fields/rate"
+        },
+        "createdAt": {
+            "type": "datetime",
+            "readOnly": true
+        },
+        "modifiedAt": {
+            "type": "datetime",
+            "readOnly": true
+        },
+        "createdBy": {
+            "type": "link",
+            "readOnly": true,
+            "view": "views/fields/user",
+            "fieldManagerParamList": []
+        },
+        "modifiedBy": {
+            "type": "link",
+            "readOnly": true,
+            "view": "views/fields/user",
+            "fieldManagerParamList": []
+        }
+    },
+    "links": {
+        "record": {
+            "type": "belongsTo",
+            "entity": "CurrencyRecord",
+            "foreignName": "code"
+        },
+        "createdBy": {
+            "type": "belongsTo",
+            "entity": "User"
+        },
+        "modifiedBy": {
+            "type": "belongsTo",
+            "entity": "User"
+        }
+    },
+    "indexes": {
+        "recordIdBaseCodeDate": {
+            "type": "unique",
+            "columns": [
+                "recordId",
+                "baseCode",
+                "date",
+                "deleteId"
+            ]
+        }
+    },
+    "deleteId": true,
+    "collection": {
+        "orderBy": "date",
+        "order": "desc"
+    }
+}