[Hackathon] feat: permission-gated data cleaning agent for Texera#5101

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eugenegujing wants to merge 14 commits into

apache:mainfrom

eugenegujing:feat/dataguard-mvp

Commits on May 16, 2026

feat(dataguard): checklist UI, contract hardening, outlier reshape, end-to-end MVP polish

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chore(dataguard): untrack agent-service/demo/, gitignore it

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docs(dataguard): drop §14 Setup; keep the end-to-end user flow

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feat(dataguard): JSONL + CSVOld support, fingerprint locate, contract enforcement

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feat(dataguard): disable outlier by default, locate-cycle for dup rows, no-op fix guard
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fix(dataguard): locate jumps to wrong row when JSONL cell is null
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fix(dataguard): replace silent locate fallback with a not-found toast
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style(dataguard): apply prettier formatting
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fix(dataguard): skip no-op writes in standardize, same as replace_value
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style(dataguard): apply prettier + add Apache license headers
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