Missing time expression processing in NL2SQL fineSelect causes incorrect SQL date conditions

Missing time expression processing in NL2SQL fineSelect causes incorrect SQL date conditions: a task in LegoFlow-SWE (Harbor dataset). The time expression processor should handle at minimum: today, yesterday, this week, last week, this month, last month, this quarter, last quarter, this year, last…

The task

The time expression processor should handle at minimum: today, yesterday, this week, last week, this month, last month, this quarter, last quarter, this year, last year, and relative day offsets (e.g., `最近N天`). Queries without time expressions should be returned unchanged.

Part of Lego-X/LegoFlow-SWE.