revert(windows): roll back terminal-popup PRs #53791 #53810 #53829 (#53853)

* Revert "fix(windows): capture is not a no-window boundary; route flashing spawns through chokepoint (#53829)"

This reverts commit 2ecca1e7d3.

* Revert "fix(windows): stop terminal-window popups from background spawns (#53810)"

This reverts commit 5db1430af9.

* Revert "fix(windows): stop subprocess console-window popups + add CI guard (#53791)"

This reverts commit ef17cd204d.

agent/coding_context.py

@@ -59,7 +59,6 @@ import subprocess
 from dataclasses import dataclass
 from pathlib import Path
 from typing import Any, Optional
-from hermes_cli import _subprocess_compat
 
 logger = logging.getLogger("hermes.coding_context")
 
@@ -649,7 +648,7 @@ def _enabled_mcp_servers(config: Optional[dict[str, Any]]) -> list[str]:
 
 def _git(cwd: Path, *args: str) -> str:
     try:
-        out = _subprocess_compat.run(
+        out = subprocess.run(
             ["git", "-C", str(cwd), *args],
             capture_output=True,
             text=True,