feat: replace synchronous HTTP calls with async client and add background task tracking

pr/commands/handlers.py

@@ -1,4 +1,6 @@
+import asyncio
 import json
+import logging
 import time
 
 from pr.commands.multiplexer_commands import MULTIPLEXER_COMMANDS
@@ -40,7 +42,18 @@ def handle_command(assistant, command):
         if prompt_text.strip():
             from pr.core.assistant import process_message
 
-            process_message(assistant, prompt_text)
+            task = asyncio.create_task(process_message(assistant, prompt_text))
+            assistant.background_tasks.add(task)
+            task.add_done_callback(
+                lambda t: (
+                    assistant.background_tasks.discard(t),
+                    (
+                        logging.error(f"Background task failed: {t.exception()}")
+                        if t.exception()
+                        else assistant.background_tasks.discard(t)
+                    ),
+                )
+            )
 
     elif cmd == "/auto":
         if len(command_parts) < 2:
@@ -201,7 +214,18 @@ def review_file(assistant, filename):
         message = f"Please review this file and provide feedback:\n\n{result['content']}"
         from pr.core.assistant import process_message
 
-        process_message(assistant, message)
+        task = asyncio.create_task(process_message(assistant, message))
+        assistant.background_tasks.add(task)
+        task.add_done_callback(
+            lambda t: (
+                assistant.background_tasks.discard(t),
+                (
+                    logging.error(f"Background task failed: {t.exception()}")
+                    if t.exception()
+                    else assistant.background_tasks.discard(t)
+                ),
+            )
+        )
     else:
         print(f"{Colors.RED}Error reading file: {result['error']}{Colors.RESET}")
 
@@ -212,7 +236,18 @@ def refactor_file(assistant, filename):
         message = f"Please refactor this code to improve its quality:\n\n{result['content']}"
         from pr.core.assistant import process_message
 
-        process_message(assistant, message)
+        task = asyncio.create_task(process_message(assistant, message))
+        assistant.background_tasks.add(task)
+        task.add_done_callback(
+            lambda t: (
+                assistant.background_tasks.discard(t),
+                (
+                    logging.error(f"Background task failed: {t.exception()}")
+                    if t.exception()
+                    else assistant.background_tasks.discard(t)
+                ),
+            )
+        )
     else:
         print(f"{Colors.RED}Error reading file: {result['error']}{Colors.RESET}")
 
@@ -223,7 +258,18 @@ def obfuscate_file(assistant, filename):
         message = f"Please obfuscate this code:\n\n{result['content']}"
         from pr.core.assistant import process_message
 
-        process_message(assistant, message)
+        task = asyncio.create_task(process_message(assistant, message))
+        assistant.background_tasks.add(task)
+        task.add_done_callback(
+            lambda t: (
+                assistant.background_tasks.discard(t),
+                (
+                    logging.error(f"Background task failed: {t.exception()}")
+                    if t.exception()
+                    else assistant.background_tasks.discard(t)
+                ),
+            )
+        )
     else:
         print(f"{Colors.RED}Error reading file: {result['error']}{Colors.RESET}")