fix: 重点关注图标样式优化，只有五角星变实心，按钮保持outline样式

xian_favor/api.py

@@ -656,7 +656,6 @@ INDEX_TEMPLATE = '''
         .is-starred { border-left: 4px solid #ffc107; background: #fffbe6; }
         .is-starred:hover { background: #fff9e0; }
         .star-btn { font-size: 11px; }
-        .star-btn.active { color: #ffc107; }
         .status-pending { color: #ffc107; }
         .status-in_progress { color: #17a2b8; }
         .status-completed { color: #28a745; text-decoration: line-through; }
@@ -1371,7 +1370,7 @@ function renderItems(items) {
                     </div>
                     <div class="d-flex align-items-center gap-1 flex-wrap ms-2" onclick="event.stopPropagation();">
                         ${item.tags.slice(0, 2).map(t => `<span class="badge bg-secondary" style="font-size:10px;">${t}</span>`).join('')}
-                        <button class="btn btn-sm btn-outline-warning py-0 px-1 star-btn ${item.is_starred ? 'active' : ''}" onclick="toggleStar(${item.id})" title="${item.is_starred ? '取消重点关注' : '设为重点关注'}">
+                        <button class="btn btn-sm btn-outline-warning py-0 px-1 star-btn" onclick="toggleStar(${item.id})" title="${item.is_starred ? '取消重点关注' : '设为重点关注'}">
                             <i class="bi bi-star${item.is_starred ? '-fill' : ''}" style="font-size:11px; ${item.is_starred ? 'color:#ffc107;' : ''}"></i>
                         </button>
                         ${item.type !== 'todo' ? `<button class="btn btn-sm btn-outline-secondary py-0 px-1" onclick="showConvertModal(${item.id})" title="转为待办"><i class="bi bi-arrow-repeat" style="font-size:11px;"></i></button>` : ''}

xian_favor/db.py

@@ -112,7 +112,6 @@ class Database:
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_type ON items(type)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_status ON items(status)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_created ON items(created_at)")
-            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_starred ON items(is_starred)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_item_tags_item ON item_tags(item_id)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_item_tags_tag ON item_tags(tag_id)")
             
@@ -121,7 +120,9 @@ class Database:
                 cursor.execute("SELECT is_starred FROM items LIMIT 1")
             except sqlite3.OperationalError:
                 cursor.execute("ALTER TABLE items ADD COLUMN is_starred INTEGER DEFAULT 0")
-                cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_starred ON items(is_starred)")
+            
+            # 创建 is_starred 索引（字段添加后再创建）
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_items_starred ON items(is_starred)")
             
             conn.commit()