diff --git a/agent-office/app/tarot/schema.py b/agent-office/app/tarot/schema.py
new file mode 100644
index 0000000..4f13331
--- /dev/null
+++ b/agent-office/app/tarot/schema.py
@@ -0,0 +1,36 @@
+"""Tarot 응답 스키마 검증 — 누락·빈 필드 reroll 트리거."""
+
+VALID_CONFIDENCE = {"high", "medium", "low"}
+
+
+def validate_interpretation(parsed: dict, spread_type: str) -> tuple[bool, str]:
+    if not isinstance(parsed, dict):
+        return False, "응답이 dict가 아님"
+    for k in ("summary", "cards", "interactions", "advice", "confidence"):
+        if k not in parsed:
+            return False, f"필수 필드 누락: {k}"
+    if parsed.get("confidence") not in VALID_CONFIDENCE:
+        return False, f"confidence 값 비정상: {parsed.get('confidence')}"
+    cards = parsed.get("cards")
+    if not isinstance(cards, list) or not cards:
+        return False, "cards가 빈 배열"
+    for i, c in enumerate(cards):
+        if not isinstance(c, dict):
+            return False, f"cards[{i}] dict 아님"
+        for k in ("position", "card", "reversed", "interpretation", "advice", "evidence"):
+            if k not in c:
+                return False, f"cards[{i}].{k} 누락"
+        ev = c["evidence"]
+        if not isinstance(ev, dict):
+            return False, f"cards[{i}].evidence dict 아님"
+        for k in ("card_meaning_used", "position_logic", "category_lens"):
+            if k not in ev:
+                return False, f"cards[{i}].evidence.{k} 누락"
+            if not isinstance(ev[k], str) or not ev[k].strip():
+                return False, f"cards[{i}].evidence.{k} 빈 문자열"
+    interactions = parsed.get("interactions")
+    if not isinstance(interactions, list):
+        return False, "interactions가 list 아님"
+    if spread_type == "three_card" and len(interactions) == 0:
+        return False, "three_card는 interactions 1개 이상 필요"
+    return True, ""
diff --git a/agent-office/tests/test_tarot_schema.py b/agent-office/tests/test_tarot_schema.py
new file mode 100644
index 0000000..fadef30
--- /dev/null
+++ b/agent-office/tests/test_tarot_schema.py
@@ -0,0 +1,75 @@
+import pytest
+
+from app.tarot.schema import validate_interpretation
+
+
+def _valid_three():
+    return {
+        "summary": "S",
+        "cards": [
+            {"position": "과거", "card": "the-fool", "reversed": False,
+             "interpretation": "...", "advice": "a",
+             "evidence": {"card_meaning_used": "키워드", "position_logic": "p", "category_lens": "c"}},
+            {"position": "현재", "card": "the-lovers", "reversed": True,
+             "interpretation": "...", "advice": "a",
+             "evidence": {"card_meaning_used": "키워드", "position_logic": "p", "category_lens": "c"}},
+            {"position": "미래", "card": "ten-of-cups", "reversed": False,
+             "interpretation": "...", "advice": "a",
+             "evidence": {"card_meaning_used": "키워드", "position_logic": "p", "category_lens": "c"}},
+        ],
+        "interactions": [{"type": "synergy", "between": ["the-fool", "ten-of-cups"], "explanation": "..."}],
+        "advice": "A",
+        "warning": None,
+        "confidence": "medium",
+    }
+
+
+def test_valid_three_card_passes():
+    ok, msg = validate_interpretation(_valid_three(), "three_card")
+    assert ok, msg
+
+
+def test_missing_evidence_fails():
+    bad = _valid_three()
+    del bad["cards"][0]["evidence"]
+    ok, msg = validate_interpretation(bad, "three_card")
+    assert not ok
+    assert "evidence" in msg
+
+
+def test_empty_card_meaning_used_fails():
+    bad = _valid_three()
+    bad["cards"][0]["evidence"]["card_meaning_used"] = ""
+    ok, msg = validate_interpretation(bad, "three_card")
+    assert not ok
+    assert "card_meaning_used" in msg
+
+
+def test_three_card_requires_interactions():
+    bad = _valid_three()
+    bad["interactions"] = []
+    ok, msg = validate_interpretation(bad, "three_card")
+    assert not ok
+    assert "interactions" in msg
+
+
+def test_one_card_accepts_empty_interactions():
+    one = {
+        "summary": "S",
+        "cards": [{"position": "오늘", "card": "the-fool", "reversed": False,
+                   "interpretation": "...", "advice": "a",
+                   "evidence": {"card_meaning_used": "k", "position_logic": "p", "category_lens": "c"}}],
+        "interactions": [],
+        "advice": "A",
+        "warning": None,
+        "confidence": "high",
+    }
+    ok, msg = validate_interpretation(one, "one_card")
+    assert ok, msg
+
+
+def test_invalid_confidence_fails():
+    bad = _valid_three()
+    bad["confidence"] = "very high"
+    ok, msg = validate_interpretation(bad, "three_card")
+    assert not ok