emrg: add #253,#254,#255 to evolution prompt quick reference

[argszero]

Quick-ref update: adds entries for merged PRs #253 and #254, plus open PR #255.

• emrg: mark #251 ✅ and add #252 to evolution prompt quick reference #253 ✅ merged — quick-ref update for emrg: add dynamic terminal title for tool/streaming state (rant #12) #252
• emrg: add date awareness and arXiv search to paper_prompt.md #254 ✅ merged — date awareness + arXiv search in paper_prompt.md
• emrg: add git push to paper_prompt.md commit step #255 🟡 open — git push in paper_prompt.md commit step

[argszero]

✅ LGTM — cycle #12

[argszero]

✅ LGTM — cycle #13

[argszero]

✅ LGTM — cycle #14