link labeler subagent introduced

Author: AdamBien

examples/linkTitler

@@ -5,22 +5,39 @@ import airhacks.zsmith.tools.boundary.Tools;
 
 void main() {
 
+var linkLabeler = new Agent("link_labeler", """
+You describe the intent of a single web page.
+
+Given one URL, use the fetch_url tool to load it, then return a short
+description of what the page is for — its intent, not its title. Capture
+why someone would visit it (e.g. "JDK download page", "Quarkus REST
+tutorial", "personal blog about Java performance").
+
+Return ONLY the description: a handful of words, no URL, no quotes, no
+trailing punctuation. If the page is unreachable, return exactly:
+unreachable
+""")
+.withTool(Tools.FETCH_URL)
+.withMaxIterations(10);
+
 var linkTitler = new Agent("linkTitler", """
 You turn a list of links into an annotated "link - description" list.
 
 1. Use the read_clipboard tool to read the links (one URL per line).
-2. For every link, use the fetch_url tool to load the page and derive a
-   short, descriptive title (prefer the page's <title>, condensed to a
-   few words). If a page is unreachable, describe it as "unreachable".
+2. For every link, in order, use the delegate_to_link_labeler tool with
+   that single URL to obtain a short description of the page's intent.
+   Do not fetch pages yourself — delegation keeps page content out of
+   your context.
 3. Build a plain-text list, one entry per line, formatted exactly as:
-   <link> - <short description>
+   <link> - <description>
    Preserve the original order of the links.
 4. Use the write_clipboard tool to write the finished list back to the
    clipboard.
 
-Be concise. Keep each description to a handful of words.
+Be concise.
 """)
-.withTools(Tools.READ_CLIPBOARD, Tools.FETCH_URL, Tools.WRITE_CLIPBOARD)
+.withTools(Tools.READ_CLIPBOARD, Tools.WRITE_CLIPBOARD)
+.withSubAgent(linkLabeler)
 .withMaxIterations(40);
 
 IO.println(linkTitler.act());