feat: 品牌替换 + 启动优化 + AGENTS.md 模板定制

- 品牌替换：OpenCode/opencode → AirCoding/aircoding（16+ 文件）
- Logo ASCII art：修复 left/right 行数不匹配导致的启动崩溃
- 启动诊断：添加 OPENCODE_PRINT_TIMING 计时探针
- dev 模式默认 --pure 跳过外部插件加载
- AGENTS.md 模板：追加 AirCoding 多 Agent 专项段落
- architect prompt + plugin：强化 AGENTS.md 产出验证

packages/tui/src/component/dialog-stash.tsx

@@ -0,0 +1,87 @@
+import { useDialog } from "../ui/dialog"
+import { DialogSelect } from "../ui/dialog-select"
+import { createMemo, createSignal } from "solid-js"
+import { Locale } from "../util/locale"
+import { useTheme } from "../context/theme"
+import { usePromptStash, type StashEntry } from "./prompt/stash"
+import { useCommandShortcut } from "../keymap"
+
+function getRelativeTime(timestamp: number): string {
+  const now = Date.now()
+  const diff = now - timestamp
+  const seconds = Math.floor(diff / 1000)
+  const minutes = Math.floor(seconds / 60)
+  const hours = Math.floor(minutes / 60)
+  const days = Math.floor(hours / 24)
+
+  if (seconds < 60) return "just now"
+  if (minutes < 60) return `${minutes}m ago`
+  if (hours < 24) return `${hours}h ago`
+  if (days < 7) return `${days}d ago`
+  return Locale.datetime(timestamp)
+}
+
+function getStashPreview(input: string, maxLength: number = 50): string {
+  const firstLine = input.split("\n")[0].trim()
+  return Locale.truncate(firstLine, maxLength)
+}
+
+export function DialogStash(props: { onSelect: (entry: StashEntry) => void }) {
+  const dialog = useDialog()
+  const stash = usePromptStash()
+  const { theme } = useTheme()
+
+  const [toDelete, setToDelete] = createSignal<number>()
+  const deleteHint = useCommandShortcut("stash.delete")
+
+  const options = createMemo(() => {
+    const entries = stash.list()
+    // Show most recent first
+    return entries
+      .map((entry, index) => {
+        const isDeleting = toDelete() === index
+        const lineCount = (entry.input.match(/\n/g)?.length ?? 0) + 1
+        return {
+          title: isDeleting ? `Press ${deleteHint()} again to confirm` : getStashPreview(entry.input),
+          bg: isDeleting ? theme.error : undefined,
+          value: index,
+          description: getRelativeTime(entry.timestamp),
+          footer: lineCount > 1 ? `~${lineCount} lines` : undefined,
+        }
+      })
+      .toReversed()
+  })
+
+  return (
+    <DialogSelect
+      title="Stash"
+      options={options()}
+      onMove={() => {
+        setToDelete(undefined)
+      }}
+      onSelect={(option) => {
+        const entries = stash.list()
+        const entry = entries[option.value]
+        if (entry) {
+          stash.remove(option.value)
+          props.onSelect(entry)
+        }
+        dialog.clear()
+      }}
+      actions={[
+        {
+          command: "stash.delete",
+          title: "delete",
+          onTrigger: (option) => {
+            if (toDelete() === option.value) {
+              stash.remove(option.value)
+              setToDelete(undefined)
+              return
+            }
+            setToDelete(option.value)
+          },
+        },
+      ]}
+    />
+  )
+}