feat(session-ui): rewrite v2 prompt input (#37102)

packages/storybook/.storybook/mocks/app/context/command.ts

@@ -22,5 +22,8 @@ export function useCommand() {
     keybind(id: string) {
       return keybinds[id]
     },
+    keybindParts(id: string) {
+      return keybinds[id]?.split("+") ?? []
+    },
   }
 }

packages/storybook/.storybook/mocks/app/context/language.ts

@@ -10,7 +10,7 @@ const dict: Record<string, string> = {
   "prompt.loading": "Loading prompt...",
   "prompt.placeholder.normal": "Ask anything...",
   "prompt.placeholder.simple": "Ask anything...",
-  "prompt.placeholder.shell": "Run a shell command... {{example}}",
+  "prompt.placeholder.shell": "Enter shell command... {{example}}",
   "prompt.placeholder.summarizeComment": "Summarize this comment",
   "prompt.placeholder.summarizeComments": "Summarize these comments",
   "prompt.action.attachFile": "Attach files",

packages/storybook/.storybook/mocks/app/context/sync.ts

@@ -12,6 +12,8 @@ const [data, setData] = createStore({
   session_working: () => false,
   agent: [{ name: "build", mode: "task", hidden: false }],
   command: [{ name: "fix", description: "Run fix command", source: "project" }],
+  reference: [],
+  mcp_resource: {},
 })
 
 const sync = {