feat: add initial skill authoring workspace

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

skills/zhihu-hotlist/SKILL.toml

@@ -0,0 +1,19 @@
+[skill]
+name = "zhihu-hotlist"
+description = "Use when the user wants to collect, snapshot, summarize, or export Zhihu hot list items from the current browser page."
+version = "0.1.0"
+author = "sgclaw"
+tags = ["zhihu", "browser", "hotlist"]
+
+prompts = [
+  "For live Zhihu hotlist extraction, call zhihu-hotlist.extract_hotlist before generic browser getText probing.",
+]
+
+[[tools]]
+name = "extract_hotlist"
+description = "Primary deterministic extractor for Zhihu hotlist rows on the current page. Use this before generic browser getText probing."
+kind = "browser_script"
+command = "scripts/extract_hotlist.js"
+
+[tools.args]
+top_n = "Maximum number of hotlist rows to return."