feat: add processing mode support for document uploads and ETL pipeline, improded error handling ux

- Introduced a `ProcessingMode` enum to differentiate between basic and premium processing modes.
- Updated `EtlRequest` to include a `processing_mode` field, defaulting to basic.
- Enhanced ETL pipeline services to utilize the selected processing mode for Azure Document Intelligence and LlamaCloud parsing.
- Modified various routes and services to handle processing mode, affecting document upload and indexing tasks.
- Improved error handling and logging to include processing mode details.
- Added tests to validate processing mode functionality and its impact on ETL operations.

surfsense_web/messages/en.json

@@ -399,7 +399,12 @@
 		"uploading_folder": "Uploading folder…",
 		"upload_folder_button": "Upload Folder ({count} {count, plural, one {file} other {files}})",
 		"select_files_or_folder": "Select files or folder",
-		"tap_select_files_or_folder": "Tap to select files or folder"
+		"tap_select_files_or_folder": "Tap to select files or folder",
+		"processing_mode": "Processing Mode",
+		"basic_mode": "Basic",
+		"basic_mode_desc": "Standard processing (1 credit per page)",
+		"premium_mode": "Premium",
+		"premium_mode_desc": "Enhanced for financial, medical & legal docs (10 credits per page)"
 	},
 	"add_webpage": {
 		"title": "Add Webpages for Crawling",

surfsense_web/messages/es.json

@@ -399,7 +399,12 @@
 		"uploading_folder": "Subiendo carpeta…",
 		"upload_folder_button": "Subir carpeta ({count} {count, plural, one {archivo} other {archivos}})",
 		"select_files_or_folder": "Seleccionar archivos o carpeta",
-		"tap_select_files_or_folder": "Toca para seleccionar archivos o carpeta"
+		"tap_select_files_or_folder": "Toca para seleccionar archivos o carpeta",
+		"processing_mode": "Modo de procesamiento",
+		"basic_mode": "Básico",
+		"basic_mode_desc": "Procesamiento estándar (1 crédito por página)",
+		"premium_mode": "Premium",
+		"premium_mode_desc": "Mejorado para documentos financieros, médicos y legales (10 créditos por página)"
 	},
 	"add_webpage": {
 		"title": "Agregar páginas web para rastreo",

surfsense_web/messages/hi.json

@@ -399,7 +399,12 @@
 		"uploading_folder": "फ़ोल्डर अपलोड हो रहा है…",
 		"upload_folder_button": "फ़ोल्डर अपलोड करें ({count} {count, plural, one {फ़ाइल} other {फ़ाइलें}})",
 		"select_files_or_folder": "फ़ाइलें या फ़ोल्डर चुनें",
-		"tap_select_files_or_folder": "फ़ाइलें या फ़ोल्डर चुनने के लिए टैप करें"
+		"tap_select_files_or_folder": "फ़ाइलें या फ़ोल्डर चुनने के लिए टैप करें",
+		"processing_mode": "प्रोसेसिंग मोड",
+		"basic_mode": "बेसिक",
+		"basic_mode_desc": "मानक प्रोसेसिंग (1 क्रेडिट प्रति पेज)",
+		"premium_mode": "प्रीमियम",
+		"premium_mode_desc": "वित्तीय, चिकित्सा और कानूनी दस्तावेज़ों के लिए उन्नत (10 क्रेडिट प्रति पेज)"
 	},
 	"add_webpage": {
 		"title": "क्रॉलिंग के लिए वेबपेज जोड़ें",

surfsense_web/messages/pt.json

@@ -399,7 +399,12 @@
 		"uploading_folder": "Enviando pasta…",
 		"upload_folder_button": "Enviar pasta ({count} {count, plural, one {arquivo} other {arquivos}})",
 		"select_files_or_folder": "Selecionar arquivos ou pasta",
-		"tap_select_files_or_folder": "Toque para selecionar arquivos ou pasta"
+		"tap_select_files_or_folder": "Toque para selecionar arquivos ou pasta",
+		"processing_mode": "Modo de processamento",
+		"basic_mode": "Básico",
+		"basic_mode_desc": "Processamento padrão (1 crédito por página)",
+		"premium_mode": "Premium",
+		"premium_mode_desc": "Aprimorado para documentos financeiros, médicos e jurídicos (10 créditos por página)"
 	},
 	"add_webpage": {
 		"title": "Adicionar páginas web para rastreamento",

surfsense_web/messages/zh.json

@@ -383,7 +383,12 @@
 		"uploading_folder": "正在上传文件夹…",
 		"upload_folder_button": "上传文件夹（{count}个文件）",
 		"select_files_or_folder": "选择文件或文件夹",
-		"tap_select_files_or_folder": "点击选择文件或文件夹"
+		"tap_select_files_or_folder": "点击选择文件或文件夹",
+		"processing_mode": "处理模式",
+		"basic_mode": "基础",
+		"basic_mode_desc": "标准处理（每页 1 积分）",
+		"premium_mode": "高级",
+		"premium_mode_desc": "增强处理财务、医疗和法律文档（每页 10 积分）"
 	},
 	"add_webpage": {
 		"title": "添加网页爬取",