feat: friendly tool names per MCP title field or manifest

- Aggiunto campo 'title' a tools/list in tutti gli script MCP locali
  (Gmail, Gcal, Drive, Email, SSH, Weather, Wikipedia, WhatsApp)
- Aggiunto tools[]/display_name nel manifest per connector remoti/package
  esterni (Firecrawl, HTTP Fetch, Exa, Tavily, SerpAPI Flights)
- Documentata convenzione e resolution order in SKALD.md
- Aggiornata manifest_guide.md per tools[] in connectors.json
- Bumped version e sha256 per tutti i 13 connector

connectors/tavily/connector.json

@@ -39,7 +39,29 @@
     "mcp",
     "remote"
   ],
-  "version": 1,
-  "version_string": "1.0.0",
-  "version_release_date": "2026-07-19"
-}
+  "version": 2,
+  "version_string": "1.0.1",
+  "version_release_date": "2026-07-21",
+  "tools": [
+    {
+      "name": "tavily_search",
+      "display_name": "Web Search"
+    },
+    {
+      "name": "tavily_extract",
+      "display_name": "Extract Content"
+    },
+    {
+      "name": "tavily_crawl",
+      "display_name": "Crawl Site"
+    },
+    {
+      "name": "tavily_map",
+      "display_name": "Map Site"
+    },
+    {
+      "name": "tavily_research",
+      "display_name": "Deep Research"
+    }
+  ]
+}