update tool descriptions to support Deprecated directive understanding in the LLM

Author: esilverm

crates/apollo-mcp-server/src/introspection/tools/introspect.rs

@@ -122,7 +122,7 @@ fn tool_description(
     minify: bool,
 ) -> String {
     if minify {
-        "Get GraphQL type information - T=type,I=input,E=enum,U=union,F=interface;s=String,i=Int,f=Float,b=Boolean,d=ID;!=required,[]=list,<>=implements;".to_string()
+        "Get GraphQL type information - T=type,I=input,E=enum,U=union,F=interface;s=String,i=Int,f=Float,b=Boolean,d=ID;@D=deprecated;!=required,[]=list,<>=implements;".to_string()
     } else {
         format!(
             "Get detailed information about types from the GraphQL schema.{}{}",

crates/apollo-mcp-server/src/introspection/tools/search.rs

@@ -77,7 +77,7 @@ impl Search {
                 format!(
                     "Search a GraphQL schema{}",
                     if minify {
-                        " - T=type,I=input,E=enum,U=union,F=interface;s=String,i=Int,f=Float,b=Boolean,d=ID;!=required,[]=list,<>=implements"
+                        " - T=type,I=input,E=enum,U=union,F=interface;s=String,i=Int,f=Float,b=Boolean,d=ID;@D=deprecated;!=required,[]=list,<>=implements"
                     } else {
                         ""
                     }