Accept prompt_id in interrupt handler (#9607)

* Accept prompt_id in interrupt handler

* remove a log

Author: deepanjanroy

server.py

@@ -729,7 +729,34 @@ async def post_queue(request):
 
         @routes.post("/interrupt")
         async def post_interrupt(request):
-            nodes.interrupt_processing()
+            try:
+                json_data = await request.json()
+            except json.JSONDecodeError:
+                json_data = {}
+
+            # Check if a specific prompt_id was provided for targeted interruption
+            prompt_id = json_data.get('prompt_id')
+            if prompt_id:
+                currently_running, _ = self.prompt_queue.get_current_queue()
+
+                # Check if the prompt_id matches any currently running prompt
+                should_interrupt = False
+                for item in currently_running:
+                    # item structure: (number, prompt_id, prompt, extra_data, outputs_to_execute)
+                    if item[1] == prompt_id:
+                        logging.info(f"Interrupting prompt {prompt_id}")
+                        should_interrupt = True
+                        break
+
+                if should_interrupt:
+                    nodes.interrupt_processing()
+                else:
+                    logging.info(f"Prompt {prompt_id} is not currently running, skipping interrupt")
+            else:
+                # No prompt_id provided, do a global interrupt
+                logging.info("Global interrupt (no prompt_id specified)")
+                nodes.interrupt_processing()
+
             return web.Response(status=200)
 
         @routes.post("/free")