diff --git a/lotto/app/db.py b/lotto/app/db.py
index eacd8d1..e840dde 100644
--- a/lotto/app/db.py
+++ b/lotto/app/db.py
@@ -991,6 +991,51 @@ def update_purchase_results(purchase_id: int, results: list, total_prize: int) -
         )
 
 
+def bulk_insert_purchases_from_briefing(draw_no: int, tier_mode: str, amount: int) -> Dict[str, Any]:
+    """tier_mode 에 해당하는 큐레이터 picks 를 purchase_history 에 일괄 INSERT.
+
+    tier_mode: "core" | "core_bonus" | "core_bonus_extended" | "full"
+    """
+    briefing = get_briefing(draw_no)
+    if not briefing:
+        return {"ok": False, "reason": "briefing not found"}
+
+    picks = briefing.get("picks") or {}
+    if isinstance(picks, list):
+        # 마이그레이션 이전 형태
+        picks = {"core": picks, "bonus": [], "extended": [], "pool": []}
+
+    tier_chain = {
+        "core": ["core"],
+        "core_bonus": ["core", "bonus"],
+        "core_bonus_extended": ["core", "bonus", "extended"],
+        "full": ["core", "bonus", "extended", "pool"],
+    }.get(tier_mode)
+    if not tier_chain:
+        return {"ok": False, "reason": f"unknown tier_mode: {tier_mode}"}
+
+    inserted_ids = []
+    with _conn() as conn:
+        for tier in tier_chain:
+            for idx, pick in enumerate(picks.get(tier) or []):
+                source_strategy = f"curator_{tier}"
+                source_detail = json.dumps({
+                    "tier": tier,
+                    "role": pick.get("risk_tag"),
+                    "set_index": idx,
+                    "draw_no": draw_no,
+                }, ensure_ascii=False)
+                numbers_json = json.dumps([pick.get("numbers")], ensure_ascii=False)
+                cur = conn.execute(
+                    """INSERT INTO purchase_history
+                       (draw_no, amount, sets, prize, note, numbers, is_real, source_strategy, source_detail)
+                       VALUES (?, ?, 1, 0, '', ?, 1, ?, ?)""",
+                    (draw_no, 1000, numbers_json, source_strategy, source_detail),
+                )
+                inserted_ids.append(cur.lastrowid)
+    return {"ok": True, "inserted_ids": inserted_ids, "sets": len(inserted_ids)}
+
+
 # --- Lotto Briefings ---
 
 def save_briefing(data: Dict[str, Any]) -> int:
diff --git a/lotto/app/main.py b/lotto/app/main.py
index 301f1dc..c8aa3e0 100644
--- a/lotto/app/main.py
+++ b/lotto/app/main.py
@@ -19,6 +19,7 @@ from .db import (
     get_recommendation_performance,
     # Phase 2: 구매 이력
     add_purchase, get_purchases, update_purchase, delete_purchase, get_purchase_stats,
+    bulk_insert_purchases_from_briefing,
     # Phase 2: 주간 리포트 캐시
     save_weekly_report, get_weekly_report_list, get_weekly_report,
     # Phase 2: 개인 패턴 분석
@@ -343,6 +344,22 @@ def api_purchase_delete(purchase_id: int):
     return {"ok": True}
 
 
+class BulkPurchaseRequest(BaseModel):
+    draw_no: int
+    tier_mode: str  # core | core_bonus | core_bonus_extended | full
+    sets: int       # 검증용 — 실제 INSERT는 briefing 기준
+    amount: int     # 검증용
+
+
+@app.post("/api/lotto/purchase/bulk", status_code=201)
+def api_purchase_bulk(body: BulkPurchaseRequest):
+    """결정카드 원클릭 기록 — 큐레이터 브리핑 picks 를 tier_mode 기준으로 일괄 기록."""
+    result = bulk_insert_purchases_from_briefing(body.draw_no, body.tier_mode, body.amount)
+    if not result["ok"]:
+        raise HTTPException(status_code=400, detail=result["reason"])
+    return result
+
+
 # ── 전략 진화 API ──────────────────────────────────────────────────────────
 
 @app.get("/api/lotto/strategy/weights")
diff --git a/lotto/tests/test_bulk_purchase.py b/lotto/tests/test_bulk_purchase.py
new file mode 100644
index 0000000..af044e2
--- /dev/null
+++ b/lotto/tests/test_bulk_purchase.py
@@ -0,0 +1,53 @@
+import sys, os
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
+
+import pytest
+from app import db
+
+
+@pytest.fixture(autouse=True)
+def setup_db(tmp_path, monkeypatch):
+    test_db = tmp_path / "test.db"
+    monkeypatch.setattr(db, "DB_PATH", str(test_db))
+    db.init_db()
+    yield
+
+
+def _seed_briefing(drw=1153):
+    picks = {
+        "core":     [{"numbers": [1, 2, 3, 4, 5, 6],     "risk_tag": "안정", "reason": "x"}] * 5,
+        "bonus":    [{"numbers": [7, 8, 9, 10, 11, 12],  "risk_tag": "균형", "reason": "x"}] * 5,
+        "extended": [{"numbers": [13, 14, 15, 16, 17, 18], "risk_tag": "공격", "reason": "x"}] * 5,
+        "pool":     [{"numbers": [19, 20, 21, 22, 23, 24], "risk_tag": "안정", "reason": "x"}] * 5,
+    }
+    db.save_briefing({
+        "draw_no": drw, "picks": picks,
+        "narrative": {"headline": "h", "summary_3lines": ["a", "b", "c"]},
+        "confidence": 70, "model": "test",
+    })
+
+
+def test_bulk_core_inserts_5():
+    _seed_briefing()
+    r = db.bulk_insert_purchases_from_briefing(1153, "core", 5000)
+    assert r["ok"] and r["sets"] == 5
+    rows = db.get_purchases(draw_no=1153)
+    assert len(rows) == 5
+    assert all(row["source_strategy"] == "curator_core" for row in rows)
+
+
+def test_bulk_full_inserts_20():
+    _seed_briefing()
+    r = db.bulk_insert_purchases_from_briefing(1153, "full", 20000)
+    assert r["ok"] and r["sets"] == 20
+
+
+def test_bulk_unknown_tier_mode():
+    _seed_briefing()
+    r = db.bulk_insert_purchases_from_briefing(1153, "garbage", 1000)
+    assert r["ok"] is False and "garbage" in r["reason"]
+
+
+def test_bulk_no_briefing():
+    r = db.bulk_insert_purchases_from_briefing(9999, "core", 5000)
+    assert r["ok"] is False and "not found" in r["reason"]