feat: add retry functionality to use-template-actions hook

Add retry function to handle failed template operations by storing last params in ref and allowing retry without re-passing parameters. Includes comprehensive test coverage.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

hooks/use-template-actions.ts

@@ -1,6 +1,6 @@
 import { root } from '@repo/core'
 import { type RunTemplateInput, TemplateController } from '@repo/sdk'
-import { useCallback, useState } from 'react'
+import { useCallback, useRef, useState } from 'react'
 
 import { type ApiError } from '@/lib/types'
 import { handleError } from './use-error'
@@ -8,10 +8,12 @@ import { handleError } from './use-error'
 export const useTemplateActions = () => {
     const [loading, setLoading] = useState(false)
     const [error, setError] = useState<ApiError | null>(null)
+    const lastParamsRef = useRef<RunTemplateInput | null>(null)
 
     const runTemplate = useCallback(async (params: RunTemplateInput): Promise<{ generationId?: string; error?: ApiError }> => {
         setLoading(true)
         setError(null)
+        lastParamsRef.current = params
 
         const template = root.get(TemplateController)
         const { data, error } = await handleError(async () => await template.run({
@@ -29,9 +31,17 @@ export const useTemplateActions = () => {
         return { generationId: data?.generationId }
     }, [])
 
+    const retry = useCallback(async (): Promise<{ generationId?: string; error?: ApiError }> => {
+        if (!lastParamsRef.current) {
+            return { error: { message: 'No previous operation to retry' } as ApiError }
+        }
+        return runTemplate(lastParamsRef.current)
+    }, [runTemplate])
+
     return {
         loading,
         error,
         runTemplate,
+        retry,
     }
 }