tui: dismiss question when tool part ends

Questions remained visible after the underlying tool call
completed or errored because nothing removed them from the
store. Clear each question once its associated tool part
reaches a terminal state, and fix recovery to preserve
correct blocker priority across all active questions.

packages/opencode/test/cli/tui/sync.test.ts

@@ -0,0 +1,39 @@
+import { describe, expect, test } from "bun:test"
+import type { QuestionRequest, ToolPart } from "@opencode-ai/sdk/v2"
+import { questionToolRequestIndex } from "@/cli/cmd/tui/context/sync"
+
+const request = {
+  id: "question-new",
+  sessionID: "session-1",
+  questions: [],
+  tool: { messageID: "msg-new", callID: "call-new" },
+} satisfies QuestionRequest
+
+function part(status: "running" | "completed" | "error", tool = "question", callID = "call-new"): ToolPart {
+  return {
+    id: "part-new",
+    sessionID: "session-1",
+    messageID: "msg-new",
+    type: "tool",
+    callID,
+    tool,
+    state:
+      status === "running"
+        ? { status, input: {}, time: { start: 1 } }
+        : status === "completed"
+          ? { status, input: {}, output: "", title: "question", metadata: {}, time: { start: 1, end: 2 } }
+          : { status, input: {}, error: "Tool execution aborted", time: { start: 1, end: 2 } },
+  }
+}
+
+describe("tui sync", () => {
+  test("matches terminal tool-owned question requests", () => {
+    const stale = { ...request, id: "question-old", tool: { messageID: "msg-old", callID: "call-old" } }
+
+    expect(questionToolRequestIndex([stale, request], part("error"))).toBe(1)
+    expect(questionToolRequestIndex([stale, request], part("completed"))).toBe(1)
+    expect(questionToolRequestIndex([stale, request], part("completed", "plan_exit"))).toBe(1)
+    expect(questionToolRequestIndex([stale, request], part("running"))).toBe(-1)
+    expect(questionToolRequestIndex([stale, request], part("error", "bash", "call-other"))).toBe(-1)
+  })
+})