✨ Now document process has a progress bar

[Jasonxia007]

✨ Now document process has a progress bar

kb-progress-bar.mp4

✨ Now document process has a clear description and suggestions on its failing reason

kb-error-unstructure.mp4

✨ Now user can name the knowledge base whatever he wants without obeying the naming rule of elasticsearch

kb-name.mp4

✨ Now user can adjust chunk size when requesting embedding service

kb_chunk_search.mp4

🐛 Bugfix: knowledge base order not fixed
🐛 Bugfix: switch embedding model will cause silent fail when creating knowledge base
🐛 Bugfix: user cannot adjust configurations of batch imported embedding models
🐛 Bugfix: knowledge base shows unknown embedding model when process is not done yet

[Phinease]

复杂名称的创建没有问题了，检索工具调用是否通畅，覆盖验证了吗

[codecov]

Codecov Report

❌ Patch coverage is 54.17407% with 258 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
backend/services/redis_service.py	54.81%	67 Missing and 8 partials ⚠️
backend/services/vectordatabase_service.py	55.00%	44 Missing and 10 partials ⚠️
backend/data_process/tasks.py	60.48%	38 Missing and 11 partials ⚠️
backend/apps/vectordatabase_app.py	41.66%	28 Missing ⚠️
backend/data_process/utils.py	0.00%	13 Missing ⚠️
backend/utils/file_management_utils.py	47.82%	11 Missing and 1 partial ⚠️
sdk/nexent/vector_database/elasticsearch_core.py	35.29%	9 Missing and 2 partials ⚠️
backend/database/knowledge_db.py	60.00%	10 Missing ⚠️
backend/services/model_management_service.py	66.66%	4 Missing and 2 partials ⚠️

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