0.1.0-rc.5+reasoning.2 — 句界強化

基於 DSH 0.1.0-rc.5（upstream 47f9438）。reasoning.2：單一 regex pass（連續英文句號收斂為單一邊界、Unicode 十進位數字 p{Nd} 排除）、摘要 span aria-live、summary 記憶化。\n\nreasoning.2: single-pass sentence gate (ASCII dot runs collapse into one boundary, Unicode decimal digits excluded via \p{Nd}), aria-live on the summary span, memoized summary.

0.1.0-rc.5+reasoning.1 — 推理摘要逐句顯示

基於 DSH 0.1.0-rc.5（upstream commit 47f9438）的獨立發布：streaming 期間 Think 摺疊摘要一次顯示一個完整句子。\n\nBased on DSH 0.1.0-rc.5 (upstream 47f9438): the collapsed Think-row summary reveals one complete sentence at a time while streaming. 含 4 筆 commit（feat: ui-conversation / test: web e2e / test: connection fixture / docs: agent note）。