feat(admin): 分区增删、资料设置、操作条与交互收尾

- POST/DELETE /api/categories（需登录，级联，local 保护）
- profile 设置（头像/名称/角色/简介/位置）应用到资料卡
- 详情操作条：浏览 +1、点赞切换、分享复制、跳转外链
- 编辑按钮垂直居中且留 12px；设置页按钮上间距、保存 Toast、Tabs 去滚动条
- 登录密码可见切换
- 测试 48 passed

src/db/entries.rs

@@ -207,6 +207,33 @@ pub fn update(
         .ok_or_else(|| StashError::NotFound(format!("条目不存在: {key}")))
 }
 
+/// 记录一次浏览：views +1，返回 (views, likes)。
+pub fn bump_view(conn: &Connection, key: &str) -> Result<(i64, i64), StashError> {
+    conn.execute("UPDATE entry SET views = views + 1 WHERE key = ?1", [key])
+        .map_err(map_error)?;
+    counts(conn, key)
+}
+
+/// 点赞 / 取消点赞：likes 加一或减一（不低于 0），返回 (views, likes)。
+pub fn set_like(conn: &Connection, key: &str, liked: bool) -> Result<(i64, i64), StashError> {
+    let delta: i64 = if liked { 1 } else { -1 };
+    conn.execute(
+        "UPDATE entry SET likes = MAX(0, likes + ?1) WHERE key = ?2",
+        params![delta, key],
+    )
+    .map_err(map_error)?;
+    counts(conn, key)
+}
+
+fn counts(conn: &Connection, key: &str) -> Result<(i64, i64), StashError> {
+    conn.query_row("SELECT views, likes FROM entry WHERE key = ?1", [key], |row| {
+        Ok((row.get(0)?, row.get(1)?))
+    })
+    .optional()
+    .map_err(map_error)?
+    .ok_or_else(|| StashError::NotFound(format!("条目不存在: {key}")))
+}
+
 /// 记录一条审计（设置保存等）。
 pub fn audit(conn: &Connection, action: &str, target: &str, detail: &str) -> Result<(), StashError> {
     conn.execute(