feat: Added support for modifying the reasoning effort of reasoning models

src/graph/llm.rs

@@ -329,6 +329,9 @@ fn build_inline_role(
     if let Some(p) = node.top_p {
         role.set_top_p(Some(p));
     }
+    if let Some(v) = &node.reasoning_effort {
+        role.set_reasoning_effort(Some(v.clone()));
+    }
 
     if node.tools.as_deref().unwrap_or_default().is_empty() {
         role.set_enabled_tools(Some(Vec::new()));
@@ -499,6 +502,7 @@ mod tests {
             model: None,
             temperature: None,
             top_p: None,
+            reasoning_effort: None,
             fallback: None,
             max_attempts: 1,
             max_iterations: 10,

src/graph/types.rs

@@ -25,6 +25,9 @@ pub struct Graph {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub top_p: Option<f64>,
 
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reasoning_effort: Option<String>,
+
     #[serde(default)]
     pub global_tools: Vec<String>,
 
@@ -288,6 +291,9 @@ pub struct LlmNode {
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub top_p: Option<f64>,
 
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub reasoning_effort: Option<String>,
+
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub fallback: Option<String>,
 

src/graph/validator.rs

@@ -946,6 +946,7 @@ mod tests {
             model: None,
             temperature: None,
             top_p: None,
+            reasoning_effort: None,
             global_tools: Vec::new(),
             mcp_servers: Vec::new(),
             skills_enabled: None,
@@ -1048,6 +1049,7 @@ mod tests {
                 model: None,
                 temperature: None,
                 top_p: None,
+                reasoning_effort: None,
                 fallback: fallback.map(String::from),
                 max_attempts: 1,
                 max_iterations: 10,