extend user goal check with complete criterion (#1382)

skyvern/forge/agent.py

@@ -1000,13 +1000,12 @@ async def complete_verify(page: Page, scraped_page: ScrapedPage, task: Task, ste
         )
         scraped_page_refreshed = await scraped_page.refresh()
 
-        # TODO: currently, just using the check user goal for complete verification
-        # maybe need a desinged complete criterion in the future
         verification_prompt = prompt_engine.load_prompt(
             "check-user-goal",
             navigation_goal=task.navigation_goal,
             navigation_payload=task.navigation_payload,
             elements=scraped_page_refreshed.build_element_tree(ElementTreeFormat.HTML),
+            complete_criterion=task.complete_criterion,
         )
 
         # this prompt is critical to our agent so let's use the primary LLM API handler

skyvern/forge/prompts/skyvern/check-user-goal.j2

@@ -1,11 +1,11 @@
-Your are here to help the user determine if the user has completed their goal on the web. Use the content of the elements parsed from the page, the screenshots of the page, the user goal and user details to determine whether the user goal has been completed or not.
+Your are here to help the user determine if the user has completed their goal on the web{{ " according to the complete criterion" if complete_criterion else "" }}. Use the content of the elements parsed from the page, the screenshots of the page, the user goal and user details to determine whether the {{ "complete criterion has been met" if complete_criterion else "user goal has been completed" }} or not.
 
 Make sure to ONLY return the JSON object in this format with no additional text before or after it:
 ```json
 {
   "page_info": str, // Think step by step. Describe all the useful information in the page related to the user goal.
   "thoughts": str, // Think step by step. What information makes you believe whether user goal has completed or not. Use information you see on the site to explain.
-  "user_goal_achieved": bool // True if the user goal has been completed, false otherwise.
+  "user_goal_achieved": bool // True if the user goal has been completed{{ " according to the complete criterion" if complete_criterion else "" }}, false otherwise.
 }
 ```
 
@@ -22,4 +22,9 @@ User Goal:
 User Details:
 ```
 {{ navigation_payload }}
-```
+```
+{% if complete_criterion %}
+Complete Criterion:
+```
+{{ complete_criterion }}
+```{% endif %}