feat: 审批卡改为抽屉式——输入框上方滑出，一次一张，radio 保留

apps/desktop/src/renderer/src/components/ApprovalCard.tsx

@@ -90,17 +90,23 @@ function Ico({ path, size = 14, sw = 2 }: { path: ReactNode; size?: number; sw?:
 
 const OPTION_APPROVE = 0
 
+export type ApprovalOutcome = 'approved' | 'rejected'
+
 export function ApprovalCard({
   request,
+  outcome,
   onResolve
 }: {
   request: ApprovalRequest
+  /** 外部已结算（卡片重挂后恢复结果态）：给定时直接呈现结果胶囊，交互冻结 */
+  outcome?: ApprovalOutcome
   onResolve: (id: string, approved: boolean) => void
 }): ReactNode {
   const [picked, setPicked] = useState<number | null>(null)
   const [sent, setSent] = useState<string | null>(null)
   const submitTimer = useRef<ReturnType<typeof setTimeout> | null>(null)
   const settled = useRef(false)
+  const settledNote = sent ?? (outcome === 'approved' ? '已允许执行' : outcome === 'rejected' ? '已拒绝' : null)
 
   useEffect(
     () => () => {
@@ -110,7 +116,7 @@ export function ApprovalCard({
   )
 
   const settle = (approved: boolean, note: string): void => {
-    if (settled.current) return
+    if (settledNote) return
     settled.current = true
     setSent(note)
     if (submitTimer.current) clearTimeout(submitTimer.current)
@@ -118,7 +124,7 @@ export function ApprovalCard({
   }
 
   const pick = (index: number): void => {
-    if (sent) return
+    if (settledNote) return
     setPicked(index)
     // radio 自动前进：480ms 后提交（官方 single-choice 行为）
     if (submitTimer.current) clearTimeout(submitTimer.current)
@@ -127,8 +133,8 @@ export function ApprovalCard({
     }, 480)
   }
 
-  if (sent) {
-    const ok = sent === '已允许执行'
+  if (settledNote) {
+    const ok = settledNote === '已允许执行'
     return (
       <div className="flex w-full items-center gap-3" style={{ animation: 'pop-in 260ms cubic-bezier(0.23,1,0.32,1) both' }}>
         <span
@@ -147,7 +153,7 @@ export function ApprovalCard({
               </svg>
             )}
           </span>
-          {sent}
+          {settledNote}
         </span>
       </div>
     )

apps/desktop/src/renderer/src/components/BottomSlot.tsx

@@ -1,41 +1,18 @@
 import { useEffect, useRef, useState, type ReactNode } from 'react'
 import type { ApprovalRequest } from '@shared/types'
-import { ApprovalCard } from './ApprovalCard'
+import { ApprovalCard, type ApprovalOutcome } from './ApprovalCard'
 
 /**
- * 底部插槽（抽屉）：审批卡出现时从 Chatbox 位置升起替换输入框，
- * 结算后输入框滑回。两行用 grid-template-rows 0fr↔1fr 过渡做真实高度动画，
- * 交叉淡入淡出；Composer 始终挂载（草稿不丢）。已结算的卡片以结算胶囊态
- * 多停留约一秒再撤出，避免「啪」一下消失。
+ * 底部插槽（审批抽屉）：审批请求出现时，卡片从输入框上方（版面中部）像抽屉
+ * 一样滑出，输入框保留可见可输入（Composer 始终挂载，草稿不丢）。
+ * 一次只展示一张：队列中的后续请求在前一张结算后接入；结算后卡片以结果
+ * 胶囊态停留约一秒，再下滑淡出收起。升起/收起均为 CSS 过渡。
  */
 
-const ROWS_TRANSITION = 'grid-template-rows 400ms cubic-bezier(0.22, 1, 0.36, 1)'
-const FADE_TRANSITION = 'opacity 220ms ease, transform 400ms cubic-bezier(0.22, 1, 0.36, 1)'
+type Phase = 'pending' | 'settled' | 'closing' | 'hidden'
 
-/** 跟踪从 requests 里消失的审批：缓存原件让卡片以结算态多停留一拍 */
-function useLeavingApprovals(requests: ApprovalRequest[]): ApprovalRequest[] {
-  const seenRef = useRef(new Map<string, ApprovalRequest>())
-  for (const request of requests) seenRef.current.set(request.id, request)
-  const [leaving, setLeaving] = useState<ApprovalRequest[]>([])
-
-  useEffect(() => {
-    const gone: ApprovalRequest[] = []
-    for (const [id, request] of seenRef.current) {
-      if (!requests.some((r) => r.id === id)) gone.push(request)
-    }
-    if (gone.length === 0) return
-    for (const g of gone) seenRef.current.delete(g.id)
-    setLeaving((cur) => [...cur.filter((l) => !gone.some((g) => g.id === l.id)), ...gone])
-    const timers = gone.map((g) =>
-      setTimeout(() => {
-        setLeaving((cur) => cur.filter((l) => l.id !== g.id))
-      }, 1000)
-    )
-    return () => timers.forEach(clearTimeout)
-  }, [requests])
-
-  return leaving
-}
+const SETTLED_MS = 900
+const CLOSE_MS = 240
 
 export function BottomSlot({
   approvals,
@@ -46,48 +23,80 @@ export function BottomSlot({
   onResolve: (id: string, approved: boolean) => void
   composer: ReactNode
 }): ReactNode {
-  const leaving = useLeavingApprovals(approvals)
-  const showApproval = approvals.length > 0 || leaving.length > 0
+  const [shown, setShown] = useState<ApprovalRequest | null>(null)
+  const [phase, setPhase] = useState<Phase>('hidden')
+  const outcomesRef = useRef(new Map<string, ApprovalOutcome>())
+  const timerRef = useRef<number | null>(null)
+
+  useEffect(
+    () => () => {
+      if (timerRef.current) window.clearTimeout(timerRef.current)
+    },
+    []
+  )
+
+  useEffect(() => {
+    const first = approvals[0]
+    if (first) {
+      // 新请求接入（含上一张结算中的队列换牌）：立即切换为待决卡片
+      if (timerRef.current) {
+        window.clearTimeout(timerRef.current)
+        timerRef.current = null
+      }
+      setShown((cur) => (cur?.id === first.id ? cur : first))
+      setPhase('pending')
+      return
+    }
+    if (phase === 'pending' && shown) {
+      // 待决卡片刚结算且没有后续请求：胶囊态停留一拍，再下滑淡出收起
+      setPhase('settled')
+      timerRef.current = window.setTimeout(() => {
+        setPhase('closing')
+        timerRef.current = window.setTimeout(() => {
+          timerRef.current = null
+          setShown(null)
+          setPhase('hidden')
+        }, CLOSE_MS)
+      }, SETTLED_MS)
+    }
+  }, [approvals, phase, shown])
+
+  const handleResolve = (id: string, approved: boolean): void => {
+    outcomesRef.current.set(id, approved ? 'approved' : 'rejected')
+    onResolve(id, approved)
+  }
+
+  const visible = shown !== null && phase !== 'hidden'
 
   return (
-    <div>
-      {/* Chatbox 行：审批升起时收起（高度 0 + 下沉淡出） */}
-      <div style={{ display: 'grid', gridTemplateRows: showApproval ? '0fr' : '1fr', transition: ROWS_TRANSITION }}>
-        <div className="min-h-0 overflow-hidden">
+    <div className="relative">
+      {/* 审批抽屉：悬浮在输入框上方（版面中部），从输入框后缘滑出 */}
+      <div
+        aria-hidden={!visible}
+        className={`pointer-events-none absolute inset-x-0 bottom-full z-20 mb-2 flex justify-center ${visible ? '' : 'invisible'}`}
+      >
+        {shown && (
           <div
-            style={{
-              opacity: showApproval ? 0 : 1,
-              transform: showApproval ? 'translateY(10px)' : 'none',
-              transition: FADE_TRANSITION,
-              pointerEvents: showApproval ? 'none' : undefined
-            }}
+            key={shown.id}
+            className="pointer-events-auto w-[380px] max-w-[calc(100vw-48px)]"
+            style={
+              phase === 'pending'
+                ? { animation: 'drawer-up 340ms cubic-bezier(0.22, 1, 0.36, 1) both' }
+                : phase === 'closing'
+                  ? {
+                      opacity: 0,
+                      transform: 'translateY(10px)',
+                      transition: 'opacity 200ms ease, transform 220ms cubic-bezier(0.22, 1, 0.36, 1)'
+                    }
+                  : undefined
+            }
           >
-            {composer}
+            <ApprovalCard request={shown} outcome={outcomesRef.current.get(shown.id)} onResolve={handleResolve} />
           </div>
-        </div>
-      </div>
-
-      {/* 审批抽屉行：从输入框位置升起（高度 1fr + 上浮淡入） */}
-      <div style={{ display: 'grid', gridTemplateRows: showApproval ? '1fr' : '0fr', transition: ROWS_TRANSITION }}>
-        <div className="min-h-0 overflow-hidden">
-          <div
-            style={{
-              opacity: showApproval ? 1 : 0,
-              transform: showApproval ? 'none' : 'translateY(14px)',
-              transition: FADE_TRANSITION,
-              pointerEvents: showApproval ? undefined : 'none'
-            }}
-          >
-            <div className="flex flex-col items-center gap-2 pb-1">
-              {[...approvals, ...leaving.filter((l) => !approvals.some((a) => a.id === l.id))].map((request) => (
-                <div key={request.id} className="w-full max-w-80" style={{ animation: 'fade-up 380ms cubic-bezier(0.23,1,0.32,1) both' }}>
-                  <ApprovalCard request={request} onResolve={onResolve} />
-                </div>
-              ))}
-            </div>
-          </div>
-        </div>
+        )}
       </div>
+      {composer}
+      <style>{`@keyframes drawer-up { from { opacity: 0; transform: translateY(26px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }`}</style>
     </div>
   )
 }