feat(tui): refine quiet terminal interactions

tui/src/composer-draft.test.ts

@@ -0,0 +1,28 @@
+import { describe, expect, test } from "bun:test"
+
+import { ComposerDraft } from "./composer-draft"
+
+describe("ComposerDraft", () => {
+  test("keeps ordinary pastes editable as ordinary text", () => {
+    const draft = new ComposerDraft()
+    const insertion = draft.paste("first\r\nsecond")
+
+    expect(insertion).toEqual({ text: "first\nsecond", compacted: false, description: "" })
+    expect(draft.expand(`before ${insertion.text} after`)).toBe("before first\nsecond after")
+  })
+
+  test("compacts large pastes and expands only placeholders that remain", () => {
+    const draft = new ComposerDraft()
+    const content = Array.from({ length: 12 }, (_, index) => `line ${index}`).join("\n")
+    const first = draft.paste(content)
+    const second = draft.paste(content)
+
+    expect(first.text).toBe("[Pasted 12 lines] ")
+    expect(second.text).toBe("[Pasted 12 lines #2] ")
+    expect(draft.expand(`review ${first.text.trim()}`)).toBe(`review ${content}`)
+
+    draft.prune(second.text)
+    expect(draft.expand(first.text.trim())).toBe(first.text.trim())
+    expect(draft.expand(second.text.trim())).toBe(content)
+  })
+})