diff --git a/app/admin_web.py b/app/admin_web.py
index cc06008..4efc069 100644
--- a/app/admin_web.py
+++ b/app/admin_web.py
@@ -442,20 +442,17 @@ def _snapshot_questions_body(
         slot = slot_map.get(question.source_question_id, 0)
         promoted_item = promoted_items_by_slot.get(slot)
         if promoted_item:
+            select_html = ""
             action_html = (
                 f'Item #{promoted_item.id} already exists. '
                 f'<a href="/admin/ai-playground?basis_item_id={promoted_item.id}">Open in AI Playground</a>'
             )
         else:
-            action_html = (
-                f'<form method="post" action="/admin/snapshot-questions/promote" style="margin:0">'
-                f'<input type="hidden" name="snapshot_id" value="{snapshot.id}">'
-                f'<input type="hidden" name="snapshot_question_id" value="{question.id}">'
-                '<button type="submit">Promote as Basis Item</button>'
-                '</form>'
-            )
+            select_html = f'<input type="checkbox" name="snapshot_question_ids" value="{question.id}">'
+            action_html = "Ready to promote"
         rows.append(
             "<tr>"
+            f"<td>{select_html}</td>"
             f"<td>{slot or '-'}</td>"
             f"<td>{escape(question.source_question_id)}</td>"
             f"<td>{escape(question.correct_answer)}</td>"
@@ -466,9 +463,15 @@ def _snapshot_questions_body(
             "</tr>"
         )
     questions_table = (
-        "<table><thead><tr><th>Slot</th><th>Source Question ID</th><th>Correct</th><th>Options</th><th>Active</th><th>Stem</th><th>Action</th></tr></thead><tbody>"
-        + ("".join(rows) if rows else "<tr><td colspan=\"7\">No data</td></tr>")
+        "<form method=\"post\" action=\"/admin/snapshot-questions/promote-bulk\">"
+        f"<input type=\"hidden\" name=\"snapshot_id\" value=\"{snapshot.id}\">"
+        "<div class=\"actions\" style=\"margin:16px 0\">"
+        "<button type=\"submit\">Promote Selected as Basis Items</button>"
+        "</div>"
+        "<table><thead><tr><th><input type=\"checkbox\" onclick=\"document.querySelectorAll('input[name=&quot;snapshot_question_ids&quot;]').forEach(el => el.checked = this.checked)\"></th><th>Slot</th><th>Source Question ID</th><th>Correct</th><th>Options</th><th>Active</th><th>Stem</th><th>Action</th></tr></thead><tbody>"
+        + ("".join(rows) if rows else "<tr><td colspan=\"8\">No data</td></tr>")
         + "</tbody></table>"
+        "</form>"
     )
     return f"""
     <p class="muted">Snapshot ID: <strong>{snapshot.id}</strong> | Website: <strong>{snapshot.website_id}</strong> | Tryout: <strong>{escape(snapshot.source_tryout_id)}</strong></p>
@@ -597,6 +600,94 @@ async def _ensure_operational_tryout(snapshot: TryoutImportSnapshot, db: AsyncSe
     return tryout
 
 
+async def _load_snapshot_question_context(
+    snapshot: TryoutImportSnapshot,
+    db: AsyncSession,
+) -> tuple[list[TryoutSnapshotQuestion], dict[int, Item], dict[str, int]]:
+    question_result = await db.execute(
+        select(TryoutSnapshotQuestion)
+        .where(
+            TryoutSnapshotQuestion.website_id == snapshot.website_id,
+            TryoutSnapshotQuestion.source_tryout_id == snapshot.source_tryout_id,
+        )
+        .order_by(TryoutSnapshotQuestion.source_question_id.asc())
+    )
+    questions = list(question_result.scalars().all())
+    item_result = await db.execute(
+        select(Item).where(
+            Item.website_id == snapshot.website_id,
+            Item.tryout_id == snapshot.source_tryout_id,
+            Item.level == "sedang",
+        )
+    )
+    promoted_items_by_slot = {item.slot: item for item in item_result.scalars().all()}
+    slot_map = _snapshot_slot_map(snapshot)
+    questions.sort(key=lambda row: (slot_map.get(row.source_question_id, 10**9), row.source_question_id))
+    return questions, promoted_items_by_slot, slot_map
+
+
+async def _promote_snapshot_question_to_item(
+    snapshot: TryoutImportSnapshot,
+    question: TryoutSnapshotQuestion,
+    db: AsyncSession,
+) -> tuple[Item | None, str]:
+    if (
+        question.website_id != snapshot.website_id
+        or question.source_tryout_id != snapshot.source_tryout_id
+    ):
+        return None, "mismatch"
+
+    slot_map = _snapshot_slot_map(snapshot)
+    slot = slot_map.get(question.source_question_id)
+    if not slot:
+        max_slot = (
+            await db.scalar(
+                select(func.max(Item.slot)).where(
+                    Item.website_id == snapshot.website_id,
+                    Item.tryout_id == snapshot.source_tryout_id,
+                    Item.level == "sedang",
+                )
+            )
+            or 0
+        )
+        slot = max_slot + 1
+
+    options = _snapshot_options_to_item_options(question.raw_options)
+    if not options:
+        return None, "missing_options"
+
+    await _ensure_operational_tryout(snapshot, db)
+
+    existing_item_result = await db.execute(
+        select(Item).where(
+            Item.website_id == snapshot.website_id,
+            Item.tryout_id == snapshot.source_tryout_id,
+            Item.slot == slot,
+            Item.level == "sedang",
+        )
+    )
+    existing_item = existing_item_result.scalar_one_or_none()
+    if existing_item is not None:
+        return existing_item, "existing"
+
+    item = Item(
+        tryout_id=snapshot.source_tryout_id,
+        website_id=snapshot.website_id,
+        slot=slot,
+        level="sedang",
+        stem=question.question_html,
+        options=options,
+        correct_answer=question.correct_answer,
+        explanation=question.explanation_html,
+        generated_by="manual",
+        calibrated=False,
+        calibration_sample_size=0,
+    )
+    db.add(item)
+    await db.flush()
+    return item, "created"
+
+
 @router.get("", include_in_schema=False)
 @router.get("/", include_in_schema=False)
 async def admin_root(request: Request):
@@ -1116,35 +1207,16 @@ async def snapshot_questions_view(
         )
         return _render_admin_page("Tryout Import", "Tryout Import", body)
 
-    result = await db.execute(
-        select(TryoutSnapshotQuestion)
-        .where(
-            TryoutSnapshotQuestion.website_id == snapshot.website_id,
-            TryoutSnapshotQuestion.source_tryout_id == snapshot.source_tryout_id,
-        )
-        .order_by(TryoutSnapshotQuestion.source_question_id.asc())
-    )
-    questions = list(result.scalars().all())
-    slot_map = _snapshot_slot_map(snapshot)
-    item_result = await db.execute(
-        select(Item).where(
-            Item.website_id == snapshot.website_id,
-            Item.tryout_id == snapshot.source_tryout_id,
-            Item.level == "sedang",
-        )
-    )
-    promoted_items = list(item_result.scalars().all())
-    promoted_items_by_slot = {item.slot: item for item in promoted_items}
-    questions.sort(key=lambda question: (slot_map.get(question.source_question_id, 10**9), question.source_question_id))
+    questions, promoted_items_by_slot, _ = await _load_snapshot_question_context(snapshot, db)
     body = _snapshot_questions_body(snapshot, questions, promoted_items_by_slot)
     return _render_admin_page("Snapshot Questions", "Snapshot Questions", body)
 
 
-@router.post("/snapshot-questions/promote", include_in_schema=False)
-async def snapshot_question_promote(
+@router.post("/snapshot-questions/promote-bulk", include_in_schema=False)
+async def snapshot_question_promote_bulk(
     request: Request,
     snapshot_id: int = Form(...),
-    snapshot_question_id: int = Form(...),
+    snapshot_question_ids: list[int] | None = Form(None),
     db: AsyncSession = Depends(get_db),
 ):
     admin = await _current_admin(request)
@@ -1152,123 +1224,65 @@ async def snapshot_question_promote(
         return _login_redirect()
 
     snapshot = await db.get(TryoutImportSnapshot, snapshot_id)
-    question = await db.get(TryoutSnapshotQuestion, snapshot_question_id)
-    if snapshot is None or question is None:
+    if snapshot is None:
         websites = await _load_websites(db)
         snapshots = await _recent_snapshots(db)
         body = _tryout_import_form_body(
             websites,
             snapshots,
-            error="Snapshot or snapshot question not found.",
+            error=f"Snapshot not found: {snapshot_id}",
         )
         return _render_admin_page("Tryout Import", "Tryout Import", body)
 
-    if (
-        question.website_id != snapshot.website_id
-        or question.source_tryout_id != snapshot.source_tryout_id
-    ):
-        body = _snapshot_questions_body(snapshot, [], {}, error="Snapshot question does not belong to the selected snapshot.")
-        return _render_admin_page("Snapshot Questions", "Snapshot Questions", body)
-
-    slot_map = _snapshot_slot_map(snapshot)
-    slot = slot_map.get(question.source_question_id)
-    if not slot:
-        max_slot = (
-            await db.scalar(
-                select(func.max(Item.slot)).where(
-                    Item.website_id == snapshot.website_id,
-                    Item.tryout_id == snapshot.source_tryout_id,
-                    Item.level == "sedang",
-                )
-            )
-            or 0
-        )
-        slot = max_slot + 1
-
-    options = _snapshot_options_to_item_options(question.raw_options)
-    if not options:
-        item_result = await db.execute(
-            select(Item).where(
-                Item.website_id == snapshot.website_id,
-                Item.tryout_id == snapshot.source_tryout_id,
-                Item.level == "sedang",
-            )
-        )
-        promoted_items_by_slot = {item.slot: item for item in item_result.scalars().all()}
-        question_result = await db.execute(
-            select(TryoutSnapshotQuestion)
-            .where(
-                TryoutSnapshotQuestion.website_id == snapshot.website_id,
-                TryoutSnapshotQuestion.source_tryout_id == snapshot.source_tryout_id,
-            )
-            .order_by(TryoutSnapshotQuestion.source_question_id.asc())
-        )
-        questions = list(question_result.scalars().all())
-        questions.sort(key=lambda row: (slot_map.get(row.source_question_id, 10**9), row.source_question_id))
+    if not snapshot_question_ids:
+        questions, promoted_items_by_slot, _ = await _load_snapshot_question_context(snapshot, db)
         body = _snapshot_questions_body(
             snapshot,
             questions,
             promoted_items_by_slot,
-            error="Snapshot question has no usable option text, so it cannot be promoted into the live item bank.",
+            error="Select at least one snapshot question to promote.",
         )
         return _render_admin_page("Snapshot Questions", "Snapshot Questions", body)
 
-    await _ensure_operational_tryout(snapshot, db)
-
-    existing_item_result = await db.execute(
-        select(Item).where(
-            Item.website_id == snapshot.website_id,
-            Item.tryout_id == snapshot.source_tryout_id,
-            Item.slot == slot,
-            Item.level == "sedang",
-        )
-    )
-    existing_item = existing_item_result.scalar_one_or_none()
-    if existing_item is None:
-        existing_item = Item(
-            tryout_id=snapshot.source_tryout_id,
-            website_id=snapshot.website_id,
-            slot=slot,
-            level="sedang",
-            stem=question.question_html,
-            options=options,
-            correct_answer=question.correct_answer,
-            explanation=question.explanation_html,
-            generated_by="manual",
-            calibrated=False,
-            calibration_sample_size=0,
-        )
-        db.add(existing_item)
-        await db.commit()
-        await db.refresh(existing_item)
-        success_message = (
-            f"Snapshot question {question.source_question_id} promoted successfully as Item #{existing_item.id}. "
-            f"Use that Basis Item ID in AI Playground."
-        )
-    else:
-        success_message = (
-            f"Snapshot question {question.source_question_id} is already available as Item #{existing_item.id}. "
-            f"Use that Basis Item ID in AI Playground."
-        )
-
     question_result = await db.execute(
-        select(TryoutSnapshotQuestion)
-        .where(
-            TryoutSnapshotQuestion.website_id == snapshot.website_id,
-            TryoutSnapshotQuestion.source_tryout_id == snapshot.source_tryout_id,
-        )
-        .order_by(TryoutSnapshotQuestion.source_question_id.asc())
-    )
-    questions = list(question_result.scalars().all())
-    item_result = await db.execute(
-        select(Item).where(
-            Item.website_id == snapshot.website_id,
-            Item.tryout_id == snapshot.source_tryout_id,
-            Item.level == "sedang",
+        select(TryoutSnapshotQuestion).where(
+            TryoutSnapshotQuestion.id.in_(snapshot_question_ids)
         )
     )
-    promoted_items_by_slot = {item.slot: item for item in item_result.scalars().all()}
-    questions.sort(key=lambda row: (slot_map.get(row.source_question_id, 10**9), row.source_question_id))
+    selected_questions = list(question_result.scalars().all())
+
+    created_items: list[Item] = []
+    existing_items: list[Item] = []
+    missing_option_count = 0
+    mismatch_count = 0
+
+    for question in selected_questions:
+        item, status = await _promote_snapshot_question_to_item(snapshot, question, db)
+        if status == "created" and item is not None:
+            created_items.append(item)
+        elif status == "existing" and item is not None:
+            existing_items.append(item)
+        elif status == "missing_options":
+            missing_option_count += 1
+        elif status == "mismatch":
+            mismatch_count += 1
+
+    await db.commit()
+
+    questions, promoted_items_by_slot, _ = await _load_snapshot_question_context(snapshot, db)
+    success_parts = []
+    if created_items:
+        success_parts.append(f"created {len(created_items)} item(s)")
+    if existing_items:
+        success_parts.append(f"reused {len(existing_items)} existing item(s)")
+    if missing_option_count:
+        success_parts.append(f"skipped {missing_option_count} question(s) with missing option text")
+    if mismatch_count:
+        success_parts.append(f"skipped {mismatch_count} mismatched question(s)")
+    success_message = "Bulk promote finished: " + ", ".join(success_parts) + "."
+    if created_items:
+        success_message += f" Latest basis item ID: {created_items[-1].id}."
+
     body = _snapshot_questions_body(snapshot, questions, promoted_items_by_slot, success=success_message)
     return _render_admin_page("Snapshot Questions", "Snapshot Questions", body)