feat：add project model - #57

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xiaocheny214 wants to merge 12 commits into

1024XEngineer:mainfrom

xiaocheny214:feat/add-project-model

Commits on Jul 23, 2026

feat: add backend skeleton
xiaocheny214
committed

Commits on Jul 24, 2026

Commits on Jul 25, 2026

feat(common): add unified response, exception hierarchy and biz code enum
xiaocheny214
committed
feat(app): add global exception handlers and mount on app
xiaocheny214
committed
feat(common): add ListResponse with pagination fields
xiaocheny214
committed