feat: add recent tags section to items page

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/modes/server/pages.rs

@@ -101,6 +101,32 @@ fn build_item_list(conn: &Connection, params: &ListQueryParams, columns: &[Colum
     html.push_str("<h1>Items</h1>");
     html.push_str("<p><a href=\"/swagger\">API Documentation</a></p>");
     
+    // Add recent tags section
+    html.push_str("<h2>Recent Tags</h2>");
+    let recent_tags_query = "
+        SELECT DISTINCT t.name 
+        FROM tags t 
+        JOIN item_tags it ON t.id = it.tag_id 
+        ORDER BY it.id DESC 
+        LIMIT 20
+    ";
+    let mut stmt = conn.prepare(recent_tags_query)?;
+    let tag_iter = stmt.query_map([], |row| {
+        Ok(row.get::<_, String>(0)?)
+    })?;
+    
+    let recent_tags: Vec<String> = tag_iter.collect::<Result<Vec<_>, _>>()?;
+    
+    if recent_tags.is_empty() {
+        html.push_str("<p>No tags found</p>");
+    } else {
+        html.push_str("<p>");
+        for tag in recent_tags {
+            html.push_str(&format!("<a href=\"/?tags={}\" style=\"margin-right: 8px;\">{}</a>", tag, tag));
+        }
+        html.push_str("</p>");
+    }
+    
     // Start table
     html.push_str("<table>");