赵月辉 / fastgpt-migrated

* feat: new agent-loop

* adapt piagent

* feat: refine workflow agent loop responses

* fix: adapt pi agent workflow events

* fix: adapt pi agent workflow responses

* perf: code

* doc

* test: stabilize llm utils image handling

* feat: model think switch

* feat: add agent context checkpoint compression

* perf: context

* toolcall adapt

* move doc

* review

* perf: split code

* fix: chat test

* refactor: move i18nT to global

* remove invalid doc

* fix: avoid empty agent reminder query block

* fix: keep llm usage on error response

* skip system tool call