fix: remove default model reference from embedding_model and add export paths for templates

Author: liuruibin

apps/knowledge/migrations/0001_initial.py

@@ -56,7 +56,7 @@ class Migration(migrations.Migration):
                 ('scope', models.CharField(choices=[('SHARED', '共享'), ('WORKSPACE', '工作空间可用')], default='WORKSPACE', max_length=20, verbose_name='可用范围')),
                 ('file_size_limit', models.IntegerField(default=100, verbose_name='文件大小限制')),
                 ('meta', models.JSONField(default=dict, verbose_name='元数据')),
-                ('embedding_model', models.ForeignKey(default=knowledge.models.knowledge.default_model, on_delete=django.db.models.deletion.DO_NOTHING, to='models_provider.model', verbose_name='向量模型')),
+                ('embedding_model', models.ForeignKey(on_delete=django.db.models.deletion.DO_NOTHING, to='models_provider.model', verbose_name='向量模型')),
                 ('user', models.ForeignKey(on_delete=django.db.models.deletion.DO_NOTHING, to='users.user', verbose_name='所属用户')),
             ],
             options={

apps/knowledge/models/knowledge.py

@@ -95,9 +95,6 @@ def default_status_meta():
     return {"state_time": {}}
 
 
-def default_model():
-    # todo : 这里需要从数据库中获取默认的模型
-    return uuid.UUID('42f63a3d-427e-11ef-b3ec-a8a1595801ab')
 
 
 class KnowledgeFolder(MPTTModel, AppModelMixin):
@@ -128,8 +125,7 @@ class Knowledge(AppModelMixin):
     scope = models.CharField(max_length=20, verbose_name='可用范围', choices=KnowledgeScope.choices,
                              default=KnowledgeScope.WORKSPACE)
     folder = models.ForeignKey(KnowledgeFolder, on_delete=models.DO_NOTHING, verbose_name="文件夹id", default='default')
-    embedding_model = models.ForeignKey(Model, on_delete=models.DO_NOTHING, verbose_name="向量模型",
-                                        default=default_model)
+    embedding_model = models.ForeignKey(Model, on_delete=models.DO_NOTHING, verbose_name="向量模型")
     file_size_limit = models.IntegerField(verbose_name="文件大小限制", default=100)
     file_count_limit = models.IntegerField(verbose_name="文件数量限制", default=50)
     meta = models.JSONField(verbose_name="元数据", default=dict)

apps/knowledge/template/csv_template_en.csv

@@ -0,0 +1,5 @@
+Section title (optional), Section content (required，question answer), Question (optional，one per line in the cell)
+MaxKB product introduction,"MaxKB is a knowledge base question-answering system based on the LLM large language model. MaxKB = Max Knowledge Base，aims to become the most powerful brain of the enterprise。Out-of-the-box: supports direct document upload、automatic crawling of online documents、automatic text splitting and vectorization、and good intelligent question-answering interactive experience；Seamless embedding: supports zero-coding and rapid embedding into third-party business systems；Multi-model support: supports docking with mainstream large models，including Ollama local private large models (such as Llama 2、Llama 3、qwen)、Tongyi Qianwen、OpenAI、Azure OpenAI、Kimi、Zhipu AI、iFlytek Spark and Baidu Qianfan large models、etc.","What is MaxKB?
+MaxKB product introduction
+Large language model supported by MaxKB
+MaxKB advantages"

apps/knowledge/template/csv_template_zh.csv

@@ -0,0 +1,8 @@
+分段标题（选填）,分段内容（必填，问题答案））,问题（选填，单元格内一行一个）
+MaxKB产品介绍,"MaxKB 是一款基于 LLM 大语言模型的知识库问答系统。MaxKB = Max Knowledge Base，旨在成为企业的最强大脑。
+开箱即用：支持直接上传文档、自动爬取在线文档，支持文本自动拆分、向量化，智能问答交互体验好；
+无缝嵌入：支持零编码快速嵌入到第三方业务系统；
+多模型支持：支持对接主流的大模型，包括 Ollama 本地私有大模型（如 Llama 2、Llama 3、qwen）、通义千问、OpenAI、Azure OpenAI、Kimi、智谱 AI、讯飞星火和百度千帆大模型等。","MaxKB是什么？
+MaxKB产品介绍
+MaxKB支持的大语言模型
+MaxKB优势"

apps/knowledge/template/csv_template_zh_Hant.csv

@@ -0,0 +1,8 @@
+分段標題（選填）,分段內容（必填，問題答案））,問題（選填，單元格內一行一個）
+MaxKB產品介紹,"MaxKB 是一款基於 LLM 大語言模型的知識庫問答系統。MaxKB = Max Knowledge Base，旨在成為企業的最強大大腦。
+開箱即用：支援直接上傳文檔、自動爬取線上文檔，支援文字自動分割、向量化，智慧問答互動體驗好；
+無縫嵌入：支援零編碼快速嵌入到第三方業務系統；
+多模型支援：支持對接主流的大模型，包括Ollama 本地私有大模型（如Llama 2、Llama 3、qwen）、通義千問、OpenAI、Azure OpenAI、Kimi、智譜AI、訊飛星火和百度千帆大模型等。 ","MaxKB是什麼？
+MaxKB產品介紹
+MaxKB支援的大語言模型
+MaxKB優勢"

apps/knowledge/template/excel_template_en.xlsx

@@ -0,0 +1,13 @@
+Position, Reimbursement type, First-tier city reimbursement standard (yuan), Second-tier city reimbursement standard (yuan), Third-tier city reimbursement standard (yuan)
+Ordinary employees, Accommodation expenses, 500, 400, 300
+Department head, Accommodation fee, 600, 500, 400
+Department director, Accommodation fee, 700, 600, 500
+Regional general manager, Accommodation fee, 800, 700, 600
+Ordinary employees, Food expenses, 50, 40, 30
+Department head, Food expenses, 50, 40, 30
+Department director, Food expenses, 50, 40, 30
+Regional general manager, Food expenses, 50, 40, 30
+Ordinary employees, Transportation expenses, 50, 40, 30
+Department head, Transportation expenses, 50, 40, 30
+Department director, Transportation expenses, 50, 40, 30
+Regional general manager, Transportation expenses, 50, 40, 30