fix(app): separate provider lifetimes and reactive ownership (#33739)

packages/app/src/components/prompt-input.tsx

@@ -67,6 +67,7 @@ import { PromptContextItems } from "./prompt-input/context-items"
 import { PromptImageAttachments } from "./prompt-input/image-attachments"
 import { PromptDragOverlay } from "./prompt-input/drag-overlay"
 import { promptPlaceholder } from "./prompt-input/placeholder"
+import { createPromptInputTransientState } from "./prompt-input/transient-state"
 import { showToast } from "@/utils/toast"
 import { ImagePreview } from "@opencode-ai/ui/image-preview"
 import { pathKey } from "@/utils/path-key"
@@ -346,25 +347,10 @@ export const PromptInput: Component<PromptInputProps> = (props) => {
     prompt.current().filter((part): part is ImageAttachmentPart => part.type === "image"),
   )
 
-  const [store, setStore] = createStore<{
-    popover: "at" | "slash" | null
-    historyIndex: number
-    savedPrompt: PromptHistoryEntry | null
-    placeholder: number
-    draggingType: "image" | "@mention" | null
-    mode: "normal" | "shell"
-    applyingHistory: boolean
-    variantOpen: boolean
-  }>({
-    popover: null,
-    historyIndex: -1,
-    savedPrompt: null as PromptHistoryEntry | null,
-    placeholder: Math.floor(Math.random() * EXAMPLES.length),
-    draggingType: null,
-    mode: "normal",
-    applyingHistory: false,
-    variantOpen: false,
-  })
+  const [store, setStore] = createPromptInputTransientState(
+    () => prompt.capture(),
+    Math.floor(Math.random() * EXAMPLES.length),
+  )
   const [picker, setPicker] = createStore({
     projectOpen: false,
     projectSearch: "",