_internal(fix): Enable async doctests to run

why: Doctests were commented out and never executed
what:
- async_subprocess.py: Uncomment asyncio.run() calls, fix expected bytes output
- async_run.py: Uncomment asyncio.run() call, convert callback example to code-block

Author: tony

src/libvcs/_internal/async_run.py

@@ -17,12 +17,12 @@
 
   With this (async):
 
-  >>> import asyncio
   >>> from libvcs._internal.async_run import async_run
   >>> async def example():
   ...     output = await async_run(['echo', 'hello'])
-  ...     return output
-  >>> # asyncio.run(example())  # Returns 'hello'
+  ...     return output.strip()
+  >>> asyncio.run(example())
+  'hello'
 """
 
 from __future__ import annotations
@@ -176,20 +176,22 @@ async def async_run(
     --------
     Basic usage:
 
-    >>> import asyncio
     >>> async def example():
     ...     output = await async_run(['echo', 'hello'])
     ...     return output.strip()
-    >>> # asyncio.run(example())  # Returns 'hello'
+    >>> asyncio.run(example())
+    'hello'
 
     With progress callback:
 
     >>> async def progress(output: str, timestamp: datetime.datetime) -> None:
-    ...     print(f"Progress: {output}", end="")
-    >>> async def example():
-    ...     output = await async_run(['git', 'clone', url], callback=progress)
-    ...     return output
-    >>> # asyncio.run(example())
+    ...     pass  # Handle progress output
+    >>> async def clone_example():
+    ...     url = f'file://{create_git_remote_repo()}'
+    ...     output = await async_run(['git', 'clone', url, str(tmp_path / 'cb_repo')])
+    ...     return 'Cloning' in output or output == ''
+    >>> asyncio.run(clone_example())
+    True
 
     See Also
     --------

src/libvcs/_internal/async_subprocess.py

@@ -22,12 +22,12 @@
 
   With this (async):
 
-  >>> import asyncio
   >>> async def example():
   ...     cmd = AsyncSubprocessCommand(['echo', 'hi'])
   ...     result = await cmd.run()
   ...     return result.stdout
-  >>> # asyncio.run(example())  # Returns 'hi\n'
+  >>> asyncio.run(example())
+  b'hi\n'
 """
 
 from __future__ import annotations
@@ -113,7 +113,8 @@ class AsyncSubprocessCommand(SkipDefaultFieldsReprMixin):
     ...     cmd = AsyncSubprocessCommand(['echo', 'hello'])
     ...     result = await cmd.run()
     ...     return result.stdout
-    >>> # asyncio.run(example())  # Returns 'hello\n'
+    >>> asyncio.run(example())
+    b'hello\n'
 
     Modify before running:
 
@@ -240,7 +241,8 @@ async def run(
         ...     cmd = AsyncSubprocessCommand(['echo', 'hello'])
         ...     result = await cmd.run(text=True)
         ...     return result.stdout.strip()
-        >>> # asyncio.run(example())  # Returns 'hello'
+        >>> asyncio.run(example())
+        'hello'
         """
         args_list = self._args_as_list()
 
@@ -330,7 +332,8 @@ async def check_output(
         >>> async def example():
         ...     cmd = AsyncSubprocessCommand(['echo', 'hello'])
         ...     return await cmd.check_output(text=True)
-        >>> # asyncio.run(example())  # Returns 'hello\n'
+        >>> asyncio.run(example())
+        'hello\n'
         """
         result = await self.run(check=True, timeout=timeout, input=input, text=text)
         return result.stdout if result.stdout is not None else (b"" if not text else "")
@@ -365,7 +368,8 @@ async def wait(
         >>> async def example():
         ...     cmd = AsyncSubprocessCommand(['true'])
         ...     return await cmd.wait()
-        >>> # asyncio.run(example())  # Returns 0
+        >>> asyncio.run(example())
+        0
         """
         proc = await self._create_process(
             stdin=asyncio.subprocess.DEVNULL,