refactor(i18n): replace 'thoughts' with 'reasoning' in all language files

BREAKING CHANGE: The 'thoughts' key has been removed and replaced with 'reasoning' in all language files and the ChatMessage component.

Author: olegshulyakov

src/i18n/ar.json

@@ -63,7 +63,7 @@
       "send": "إرسال",
       "save": "حفظ",
       "thinking": "جاري التفكير",
-      "thoughts": "الأفكار"
+      "reasoning": "المنطق"
     },
     "actions": {
       "delete": {

src/i18n/de.json

@@ -63,7 +63,7 @@
       "send": "Senden",
       "save": "Speichern",
       "thinking": "Denkt nach",
-      "thoughts": "Gedanken"
+      "reasoning": "Argumentation"
     },
     "actions": {
       "delete": {

src/i18n/en.json

@@ -66,7 +66,7 @@
       "send": "Send",
       "save": "Save",
       "thinking": "Thinking",
-      "thoughts": "Thoughts"
+      "reasoning": "Reasoning"
     },
     "actions": {
       "delete": {

src/i18n/es.json

@@ -63,7 +63,7 @@
       "send": "Enviar",
       "save": "Guardar",
       "thinking": "Pensando",
-      "thoughts": "Pensamientos"
+      "reasoning": "Razonamiento"
     },
     "actions": {
       "delete": {

src/i18n/fr.json

@@ -63,7 +63,7 @@
       "send": "Envoyer",
       "save": "Enregistrer",
       "thinking": "En réflexion",
-      "thoughts": "Pensées"
+      "reasoning": "Raisonnement"
     },
     "actions": {
       "delete": {

src/i18n/hi.json

@@ -63,7 +63,7 @@
       "send": "भेजें",
       "save": "सहेजें",
       "thinking": "सोच रहा है",
-      "thoughts": "विचार"
+      "reasoning": "तर्क"
     },
     "actions": {
       "delete": {

src/i18n/it.json

@@ -63,7 +63,7 @@
       "send": "Invia",
       "save": "Salva",
       "thinking": "Sto pensando",
-      "thoughts": "Pensieri"
+      "reasoning": "Ragionamento"
     },
     "actions": {
       "delete": {

src/i18n/ja.json

@@ -63,7 +63,7 @@
       "send": "送信",
       "save": "保存",
       "thinking": "思考中",
-      "thoughts": "思考"
+      "reasoning": "推論"
     },
     "actions": {
       "delete": {

src/i18n/ko.json

@@ -63,7 +63,7 @@
       "send": "보내기",
       "save": "저장",
       "thinking": "생각 중",
-      "thoughts": "생각"
+      "reasoning": "추론"
     },
     "actions": {
       "delete": {

src/i18n/pt.json

@@ -63,7 +63,7 @@
       "send": "Enviar",
       "save": "Salvar",
       "thinking": "Pensando",
-      "thoughts": "Pensamentos"
+      "reasoning": "Raciocínio"
     },
     "actions": {
       "delete": {