관리자 레이아웃과 네비게이션 정리

db/migrations/005_add_navigation_items.sql

@@ -15,15 +15,24 @@ CREATE INDEX IF NOT EXISTS navigation_items_location_sort_order_idx
   ON navigation_items (location, sort_order ASC, label ASC);
 
 INSERT INTO navigation_items (label, url, location, sort_order, is_visible)
-VALUES
-  ('Home pages', '/', 'primary', 10, true),
-  ('Tags', '/tags', 'primary', 20, true),
-  ('Authors', '/pages/about', 'primary', 30, true),
-  ('Style', '/post/hello-sori-studio', 'primary', 40, true),
-  ('Post types', '/post/custom-writing-tool', 'primary', 50, true),
-  ('Members', '/pages/contact', 'primary', 60, true),
-  ('Landing pages', '/pages/projects', 'primary', 70, true),
-  ('Portal', '/pages/links', 'footer', 10, true),
-  ('Docs', '/pages/about', 'footer', 20, true),
-  ('Projects', '/pages/projects', 'footer', 30, true)
-ON CONFLICT DO NOTHING;
+SELECT seed.label, seed.url, seed.location, seed.sort_order, seed.is_visible
+FROM (
+  VALUES
+    ('Home pages', '/', 'primary', 10, true),
+    ('Tags', '/tags', 'primary', 20, true),
+    ('Authors', '/pages/about', 'primary', 30, true),
+    ('Style', '/post/hello-sori-studio', 'primary', 40, true),
+    ('Post types', '/post/custom-writing-tool', 'primary', 50, true),
+    ('Members', '/pages/contact', 'primary', 60, true),
+    ('Landing pages', '/pages/projects', 'primary', 70, true),
+    ('Portal', '/pages/links', 'footer', 10, true),
+    ('Docs', '/pages/about', 'footer', 20, true),
+    ('Projects', '/pages/projects', 'footer', 30, true)
+) AS seed(label, url, location, sort_order, is_visible)
+WHERE NOT EXISTS (
+  SELECT 1
+  FROM navigation_items existing
+  WHERE existing.location = seed.location
+    AND existing.label = seed.label
+    AND existing.url = seed.url
+);

db/migrations/019_dedupe_navigation_items.sql

@@ -0,0 +1,23 @@
+-- 반복 마이그레이션 실행으로 생긴 동일 위치·상위·라벨·URL 메뉴 중복 정리
+WITH ranked_navigation AS (
+  SELECT
+    id,
+    row_number() OVER (
+      PARTITION BY location, COALESCE(parent_id::text, ''), label, url
+      ORDER BY
+        CASE WHEN is_folder THEN 0 ELSE 1 END,
+        sort_order ASC,
+        created_at ASC,
+        id ASC
+    ) AS row_rank
+  FROM navigation_items
+)
+DELETE FROM navigation_items
+WHERE id IN (
+  SELECT id
+  FROM ranked_navigation
+  WHERE row_rank > 1
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS navigation_items_location_parent_label_url_unique_idx
+  ON navigation_items (location, COALESCE(parent_id::text, ''), label, url);