// Counterexample from PBT
const text = "  ! ";
const limit = 2;
const result = chunkTextByBreakResolver(text, limit, (w) => w.lastIndexOf(" ") || w.length);
// Result: ["! "]  <-- BUG: trailing space in final chunk
// Expected: ["!"]

---

while (remaining.length > limit) {
  // ... chunk extraction logic ...
  const rawChunk = remaining.slice(0, breakIdx);
  const chunk = rawChunk.trimEnd(); // Line 22: chunks ARE trimmed
  if (chunk.length > 0) {
    chunks.push(chunk);
  }
  // ... update remaining ...
}
if (remaining.length) {
  chunks.push(remaining); // Line 31: final chunk is NOT trimmed ← BUG
}

---

remaining = "  ! " (length 4 > 2, enter loop)
window = "  " (first 2 chars)
lastIndexOf(" ") in "  " = 1
breakIdx = 1 (valid)
rawChunk = " ".slice(0, 1) = " "
chunk = " ".trimEnd() = "" (empty, skipped!)
remaining = "  ! ".slice(2).trimStart() = "! "

---

remaining = "! " (length 2, NOT > 2, exit loop)

---

remaining.length > 0, so push remaining
chunks.push("! ")  ← BUG: trailing space NOT trimmed!

---

// Case 1: Chunk inside loop - properly trimmed
chunkTextByBreakResolver("abc   def", 6, (w) => w.lastIndexOf(" "));
// Result: ["abc", "def"]  ✓ Both chunks trimmed

// Case 2: Final chunk after loop - NOT trimmed
chunkTextByBreakResolver("  ! ", 2, (w) => w.lastIndexOf(" ") || w.length);
// Result: ["! "]  ✗ Trailing space preserved

// Case 3: Another example
chunkTextByBreakResolver("a b ", 2, (w) => w.lastIndexOf(" ") || w.length);
// Result: ["a", "b "]  ✗ Trailing space preserved in final chunk

---

if (remaining.length) {
  const finalChunk = remaining.trimEnd();
  if (finalChunk.length > 0) {
    chunks.push(finalChunk);
  }
}

---

// Case 1: Final chunk after loop - NOT trimmed
chunkTextByBreakResolver("  ! ", 2, (w) => w.lastIndexOf(" ") || w.length);
// Result: ["! "]  ✗ Trailing space preserved

// Case 2: Another example
chunkTextByBreakResolver("a b ", 2, (w) => w.lastIndexOf(" ") || w.length);
// Result: ["a", "b "]  ✗ Trailing space preserved in final chunk

---