Files
Arcrun/landing
Leo 8d4c3a3464 feat(mira): P0 河道完善 3 task — Mira 頭像 / @mira 選擇性回覆 / 編輯器 popup
對應 tasks.md backlog #5a / #5b / #5c(leo 2026-05-16 P0),design.md §3.6.5。

#5a Mira 發文獨立頭像
- 新 MiraAvatar 元件(紫色漸層圓 + 🤖 emoji)
- isMiraSource() 判斷 post 來源是 leo(km-writer-direct/logseq/mobile/web/tg/rss)
  還是 mira(ai-* / mira-* / 其他 test sources)
- PostCard header:showMira ? Mira 頭像 + 名「Mira」 : leo 頭像 + leo 名

#5b @mira 選擇性回覆(撤回每篇 auto-reply)
- 新 hasMiraMention() regex:偵測文字含 @mira(前後可有標點)
- PostComposer / BlockEditor / ReplyLine 三處 submit:只有 @mira 時 triggerAiReply
- triggerAiReply prompt 加 topic 抽取(@mira 後第一段到標點)+ scope hint
- wiki_synthesis trigger 跟 @mira 無關,每篇都跑(KB 副本同步)
- 不擋手動筆記(leo 隨手寫不需要 mira 每篇都回)

#5c 編輯器 popup 放大
- composer 加 ⇱ 放大按鈕 → 切到 fullscreen overlay popup
- popup 含大 textarea + 同 markdown toolbar + 同 submit 邏輯
- ⌘+Enter 發布、Esc 收起、外點 backdrop 收起
- 對應 leo「寫長文 textarea 太小」需求

CSS 加 .mira-avatar-mira / .mira-composer-popup-* 系列。
TS check pass。
2026-05-16 10:35:32 +08:00
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