DJP b11b2df0e2 fix: show real file validation stats instead of hardcoded mock data ... StepUpload was showing hardcoded "42 Total Lines, 8 Display Formats" for every file upload. Now: - Added POST /jobs/validate-source endpoint that parses xlsx in a temp file and returns real stats (line count, display formats, columns found, warnings) without creating any DB records - Frontend calls validateSource() when user selects a file - Shows spinner during validation, real results after - Blocks "Next" if validation fails - Removed all mock validation data Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-04-10 17:03:13 -04:00
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v1	fix: show real file validation stats instead of hardcoded mock data	2026-04-10 17:03:13 -04:00
__init__.py	feat: complete Phase 1-2 scaffold — backend, frontend, pipeline skeleton	2026-04-10 12:31:43 -04:00