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app/lib/features/planet/planet_repository_firestore.dart

@@ -177,6 +177,12 @@ class FirestorePlanetRepository implements PlanetRepository {
     final member = memberSnap.data() ?? const <String, dynamic>{};
     final posts = await postsF;
     final targets = nebulaTargetsFrom((await policyF).data());
+    // 생성자 = `founderUid`(성운 생성자 · 탄생 전 탈퇴 시 승계자, C-100). 프로필 · 닉네임은 그 멤버 문서에서
+    // 읽는다(Figma `544:19765` 「생성자 프로필 · 닉네임」). 떠났거나 시드 행성이면 줄을 그리지 않는다.
+    final founderUid = fandom.strOr('founderUid');
+    final founder = founderUid.isEmpty
+        ? null
+        : (await db.doc('fandoms/$fandomId/members/$founderUid').get()).data();
 
     final axes = _map(fandom, 'fpiAxes');
     final ranks = _map(fandom, 'fpiRanks');
@@ -199,6 +205,8 @@ class FirestorePlanetRepository implements PlanetRepository {
       _ => null,
     };
     return PlanetDetail(
+      isOwner: founderUid.isNotEmpty && founderUid == uid,
+      ownerName: founder == null ? null : publicName(founder['nickname']),
       joined: memberSnap.exists,
       stage: stage,
       fandomId: fandomId,
@@ -325,6 +333,8 @@ class FirestorePlanetRepository implements PlanetRepository {
       // 순위 동향 = 직전 순위 − 현재 순위. 둘 다 서버가 적은 값이다.
       change: _map(data, 'fpiRanksPrev').intOr(axis, rank) - rank,
       isMine: id == fandomId,
+      planetType: data['planetType'] is String ? data['planetType'] as String : null,
+      colorKey: data['colorKey'] is String ? data['colorKey'] as String : null,
     );
   }
 
@@ -335,7 +345,11 @@ class FirestorePlanetRepository implements PlanetRepository {
     required String fandomId,
     int limit = 30,
   }) async {
-    final ranking = await _userRanking(metric: metric, fandomId: fandomId, limit: limit);
+    final ranking = await _userRanking(
+      metric: metric,
+      fandomId: fandomId,
+      limit: limit,
+    );
     final fandom = (await _backend.db.doc('fandoms/$fandomId').get()).data();
     return ranking.withUpdate(_time(fandom?['memberRankedAt']), 5);
   }