From 4c414b37a6e359e04549f31d9ba9ac37e3ce1fb8 Mon Sep 17 00:00:00 2001
From: th-kim0823 <th.kim0823@navercorp.com>
Date: Mon, 27 Apr 2026 20:10:59 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20admin=20stage=20=EC=A7=84=ED=96=89=20se?=
 =?UTF-8?q?ction=20(=EC=9D=B4=EC=A0=84/=EC=A7=81=EC=A0=91/=EB=8B=A4?=
 =?UTF-8?q?=EC=9D=8C)?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 app.py | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/app.py b/app.py
index 946ca66..b140e1a 100644
--- a/app.py
+++ b/app.py
@@ -612,6 +612,40 @@ def render_admin():
         except FileNotFoundError:
             st.warning(f"파일 없음: {DATA_PATH}")
 
+    st.divider()
+    st.subheader("🎬 Stage 진행")
+    cur = get_stage()
+    st.markdown(f"**현재 stage:** `{cur}`")
+
+    stage_order = list(VALID_STAGES)  # ("intro", "topics", "vote")
+    idx = stage_order.index(cur) if cur in stage_order else 0
+
+    sc1, sc2, sc3 = st.columns(3)
+    with sc1:
+        if st.button("← 이전 stage", disabled=(idx == 0)):
+            set_stage(stage_order[idx - 1])
+            st.rerun()
+    with sc2:
+        chosen = st.radio(
+            "직접 선택",
+            stage_order,
+            index=idx,
+            horizontal=True,
+            label_visibility="collapsed",
+            key="stage_radio",
+        )
+        if chosen != cur:
+            if st.button("적용", key="stage_apply"):
+                set_stage(chosen)
+                st.rerun()
+    with sc3:
+        if st.button("다음 stage →", disabled=(idx == len(stage_order) - 1)):
+            set_stage(stage_order[idx + 1])
+            st.rerun()
+
+    if cur == "vote":
+        st.caption("ℹ️ vote stage 진입 시 투표가 자동 open 됨. 마감은 아래 '투표 마감' 버튼으로.")
+
     voting_open = is_voting_open()
     cur_label = "🟢 투표 진행 중" if voting_open else "🔴 투표 마감됨"
     st.markdown(f"### 투표 상태: {cur_label}")