perf: move third party dataset to plugin

[newfish-cmyk]

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registry.cn-hangzhou.aliyuncs.com/fastgpt/fastgpt-plugin-pr:3ce040971925c41b167b51e8c6e5d4fd86dd810d

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Pull request overview

This PR introduces a new plugin-based dataset module that supports third-party data sources (Yuque and Feishu) for building knowledge bases. The implementation follows a modular, extensible architecture with proper TypeScript typing, contract definitions, and S3-based avatar management.

Changes:

• Added new dataset module with support for Yuque and Feishu data sources
• Implemented plugin-based registry system for extensible data source management
• Added S3-based avatar/logo handling for dataset sources with both color and outline versions

Reviewed changes

Copilot reviewed 17 out of 22 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
tsconfig.json	Added @dataset/* path mapping for the new dataset module
runtime/tsconfig.json	Added @dataset/* path mapping for runtime environment
sdk/client.ts	Exported dataset source types for SDK consumers
modules/dataset/type/source.ts	Defined core type schemas for dataset sources, form fields, and file operations
modules/dataset/type/index.ts	Re-exported dataset types
modules/dataset/sources/yuque/*	Implemented Yuque knowledge base integration with API client and configuration
modules/dataset/sources/feishu/*	Implemented Feishu document integration with token caching and API client
modules/dataset/source/registry.ts	Created registry pattern for managing dataset source plugins
modules/dataset/source/index.ts	Exported registry utilities
modules/dataset/router.ts	Implemented REST API endpoints for dataset source operations
modules/dataset/contract.ts	Defined API contracts using Zod schemas
modules/dataset/avatars.ts	Implemented S3-based logo management for both development and production
runtime/build/index.ts	Added build step to copy dataset source avatars to dist directory
runtime/index.ts	Integrated dataset avatar initialization into startup sequence
lib/router/index.ts	Registered dataset router in main application router
lib/contract/index.ts	Added dataset contract to main API contract

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