revert: computer-use cua-driver (PR #16919) (#16927)

Reverts PR #16919 (commits dad10a78d, 413ee1a28, b4a8031b2, afb958829)
which was merged prematurely. Restoring the pre-merge state so #14817
and #15328 can be revisited as standing PRs.

Reverted commits:
- afb958829 fix(computer-use): harden image-rejection fallback + AUTHOR_MAP
- b4a8031b2 fix(computer-use): unwrap _multimodal tool results
- 413ee1a28 feat(computer-use): background focus-safe backend
- dad10a78d feat(computer-use): cua-driver backend, universal any-model schema

Co-authored-by: teknium1 <teknium@users.noreply.github.com>

hermes_cli/tools_config.py

@@ -72,7 +72,6 @@ CONFIGURABLE_TOOLSETS = [
     ("discord",         "💬 Discord (read/participate)", "fetch messages, search members, create thread"),
     ("discord_admin",   "🛡️  Discord Server Admin",    "list channels/roles, pin, assign roles"),
     ("yuanbao",          "🤖 Yuanbao",                  "group info, member queries, DM"),
-    ("computer_use",     "🖱️  Computer Use (macOS)",     "background desktop control via cua-driver"),
 ]
 
 # Toolsets that are OFF by default for new installs.
@@ -410,27 +409,6 @@ TOOL_CATEGORIES = {
             },
         ],
     },
-    "computer_use": {
-        "name": "Computer Use (macOS)",
-        "icon": "🖱️",
-        "platform_gate": "darwin",
-        "providers": [
-            {
-                "name": "cua-driver (background)",
-                "badge": "★ recommended · free · local",
-                "tag": (
-                    "macOS background computer-use via SkyLight SPIs — does "
-                    "NOT steal your cursor or focus. Works with any model."
-                ),
-                "env_vars": [
-                    # cua-driver reads HOME/TMPDIR from the process env, no
-                    # extra keys required. HERMES_CUA_DRIVER_VERSION is an
-                    # optional pin for reproducibility across macOS updates.
-                ],
-                "post_setup": "cua_driver",
-            },
-        ],
-    },
     "rl": {
         "name": "RL Training",
         "icon": "🧪",
@@ -526,53 +504,6 @@ def _run_post_setup(post_setup_key: str):
             _print_warning("    Node.js not found. Install Camofox via Docker:")
             _print_info("      docker run -p 9377:9377 -e CAMOFOX_PORT=9377 jo-inc/camofox-browser")
 
-    elif post_setup_key == "cua_driver":
-        # cua-driver provides macOS background computer-use (SkyLight SPIs).
-        # Install via upstream curl script if the binary isn't on $PATH yet.
-        import platform as _plat
-        import subprocess
-        if _plat.system() != "Darwin":
-            _print_warning("    Computer Use (cua-driver) is macOS-only; skipping.")
-            return
-        if shutil.which("cua-driver"):
-            try:
-                version = subprocess.run(
-                    ["cua-driver", "--version"],
-                    capture_output=True, text=True, timeout=5,
-                ).stdout.strip()
-                _print_success(f"    cua-driver already installed: {version or 'unknown version'}")
-            except Exception:
-                _print_success("    cua-driver already installed.")
-            _print_info("    Grant macOS permissions if not done yet:")
-            _print_info("      System Settings > Privacy & Security > Accessibility")
-            _print_info("      System Settings > Privacy & Security > Screen Recording")
-            return
-        if not shutil.which("curl"):
-            _print_warning("    curl not found — install manually:")
-            _print_info("      https://github.com/trycua/cua/blob/main/libs/cua-driver/README.md")
-            return
-        _print_info("    Installing cua-driver (macOS background computer-use)...")
-        try:
-            install_cmd = (
-                "/bin/bash -c \"$(curl -fsSL "
-                "https://raw.githubusercontent.com/trycua/cua/main/"
-                "libs/cua-driver/scripts/install.sh)\""
-            )
-            result = subprocess.run(install_cmd, shell=True, timeout=300)
-            if result.returncode == 0 and shutil.which("cua-driver"):
-                _print_success("    cua-driver installed.")
-                _print_info("    IMPORTANT — grant macOS permissions now:")
-                _print_info("      System Settings > Privacy & Security > Accessibility")
-                _print_info("      System Settings > Privacy & Security > Screen Recording")
-                _print_info("    Both must allow the terminal / Hermes process.")
-            else:
-                _print_warning("    cua-driver install did not complete. Re-run manually:")
-                _print_info(f"      {install_cmd}")
-        except subprocess.TimeoutExpired:
-            _print_warning("    cua-driver install timed out. Re-run manually.")
-        except Exception as e:
-            _print_warning(f"    cua-driver install failed: {e}")
-
     elif post_setup_key == "kittentts":
         try:
             __import__("kittentts")