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/weather/weather_mcp_server.py

@@ -544,6 +544,7 @@ def _weather_air_quality(args: dict[str, Any]) -> str | dict[str, Any]:
 TOOLS = [
     {
         "name": "status",
+        "title": "Status",
         "description": (
             "Self-check that the Weather integration is operational: verifies the "
             "Open-Meteo Geocoding and Forecast APIs are reachable by performing one "
@@ -555,6 +556,7 @@ TOOLS = [
     },
     {
         "name": "get_current_weather",
+        "title": "Get Current Weather",
         "description": (
             "Get current weather conditions for any city worldwide. "
             "Returns temperature, feels-like, humidity, wind (speed/direction/gusts), "
@@ -579,6 +581,7 @@ TOOLS = [
     },
     {
         "name": "get_forecast",
+        "title": "Get Forecast",
         "description": (
             "Get multi-day weather forecast for any city worldwide. "
             "Returns daily min/max temperature (and feels-like), conditions, rain probability, "
@@ -607,6 +610,7 @@ TOOLS = [
     },
     {
         "name": "get_air_quality",
+        "title": "Get Air Quality",
         "description": (
             "Get current air quality for any city worldwide. "
             "Returns European and US AQI indices, plus detailed pollutant levels: "