Admin progression controls: quest limits/rotation, XP rates, level curve, manual XP adjustments

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DjMbLQujBHunCCu5GpsHaT

panel/server/src/db.rs

@@ -558,6 +558,18 @@ const MIGRATIONS: &[&str] = &[
     r#"
     ALTER TABLE game_servers ADD COLUMN live_map_enabled INTEGER NOT NULL DEFAULT 0;
     "#,
+    r#"
+    ALTER TABLE quests ADD COLUMN pinned INTEGER NOT NULL DEFAULT 0;
+    CREATE TABLE quest_assignments (
+        user_uuid TEXT NOT NULL,
+        period TEXT NOT NULL,
+        period_key TEXT NOT NULL,
+        quest_id TEXT NOT NULL REFERENCES quests(id) ON DELETE CASCADE,
+        position INTEGER NOT NULL,
+        PRIMARY KEY (user_uuid, period_key, quest_id)
+    );
+    CREATE INDEX quest_assignments_user ON quest_assignments(user_uuid, period_key, position);
+    "#,
 ];
 
 pub async fn connect(data_dir: &Path) -> Result<SqlitePool> {