refactor(hooks): update delegate-task-retry naming consistency

Rename agent parameter to subagent_type for consistency with delegate-task tool changes.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/hooks/delegate-task-retry/index.ts

@@ -13,9 +13,9 @@ export const DELEGATE_TASK_ERROR_PATTERNS: DelegateTaskErrorPattern[] = [
     fixHint: "Add run_in_background=false (for delegation) or run_in_background=true (for parallel exploration)",
   },
   {
-    pattern: "skills",
-    errorType: "missing_skills",
-    fixHint: "Add skills=[] parameter (empty array if no skills needed)",
+    pattern: "load_skills",
+    errorType: "missing_load_skills",
+    fixHint: "Add load_skills=[] parameter (empty array if no skills needed). Note: Calling Skill tool does NOT populate this.",
   },
   {
     pattern: "category OR subagent_type",
@@ -60,7 +60,7 @@ export interface DetectedError {
 }
 
 export function detectDelegateTaskError(output: string): DetectedError | null {
-  if (!output.includes("❌")) return null
+  if (!output.includes("[ERROR]") && !output.includes("Invalid arguments")) return null
 
   for (const errorPattern of DELEGATE_TASK_ERROR_PATTERNS) {
     if (output.includes(errorPattern.pattern)) {
@@ -110,7 +110,7 @@ delegate_task(
   prompt="Detailed prompt...",
   category="unspecified-low",  // OR subagent_type="explore"
   run_in_background=false,
-  skills=[]
+  load_skills=[]
 )
 \`\`\`
 `