feat: show recipe explanation (#2530)

Co-authored-by: Michael Neale <michael.neale@gmail.com>

crates/goose/src/recipe/mod.rs

@@ -1,3 +1,5 @@
+use std::fmt;
+
 use crate::agents::extension::ExtensionConfig;
 use serde::{Deserialize, Serialize};
 
@@ -102,15 +104,36 @@ pub enum RecipeParameterRequirement {
     UserPrompt,
 }
 
+impl fmt::Display for RecipeParameterRequirement {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            serde_json::to_string(self).unwrap().trim_matches('"')
+        )
+    }
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(rename_all = "snake_case")]
 pub enum RecipeParameterInputType {
     String,
     Number,
+    Boolean,
     Date,
     File,
 }
 
+impl fmt::Display for RecipeParameterInputType {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(
+            f,
+            "{}",
+            serde_json::to_string(self).unwrap().trim_matches('"')
+        )
+    }
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct RecipeParameter {
     pub key: String,