Studio: clarify tool permission controls (#7181)

.github/scripts/run-studio-permission-browser.sh

@@ -0,0 +1,69 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: AGPL-3.0-only
+# Copyright 2026-present the Unsloth AI Inc. team. All rights reserved.
+
+set -euo pipefail
+
+port="${1:?usage: $0 PORT BROWSER [CHANNEL]}"
+browser="${2:?usage: $0 PORT BROWSER [CHANNEL]}"
+channel="${3:-}"
+slug="$browser${channel:+-$channel}"
+artifact_dir="logs/playwright-permissions-$slug"
+server_log="logs/studio-permissions-$slug.log"
+studio_home="${UNSLOTH_STUDIO_HOME:-$HOME/.unsloth/studio}"
+set --
+if [ -n "${STUDIO_PERMISSION_FRONTEND:-}" ]; then
+  set -- -f "$STUDIO_PERMISSION_FRONTEND"
+fi
+
+mkdir -p "$artifact_dir"
+unsloth studio reset-password
+UNSLOTH_API_ONLY=1 unsloth studio -H 127.0.0.1 -p "$port" "$@" \
+  >"$server_log" 2>&1 &
+studio_pid=$!
+
+cleanup() {
+  kill "$studio_pid" 2>/dev/null || true
+  wait "$studio_pid" 2>/dev/null || true
+}
+trap cleanup EXIT
+
+healthy=0
+for _ in $(seq 1 180); do
+  if curl -fs "http://127.0.0.1:$port/api/health" >/dev/null; then
+    healthy=1
+    break
+  fi
+  if ! kill -0 "$studio_pid" 2>/dev/null; then
+    tail -100 "$server_log" || true
+    exit 1
+  fi
+  sleep 1
+done
+if [ "$healthy" -ne 1 ]; then
+  tail -100 "$server_log" || true
+  exit 1
+fi
+
+old_password=$(cat "$studio_home/auth/.bootstrap_password")
+new_password="CIPerm-$(python -c 'import secrets; print(secrets.token_urlsafe(16))')"
+if [ "${GITHUB_ACTIONS:-}" = "true" ]; then
+  echo "::add-mask::$old_password"
+  echo "::add-mask::$new_password"
+fi
+
+export BASE_URL="http://127.0.0.1:$port"
+export STUDIO_OLD_PW="$old_password"
+export STUDIO_NEW_PW="$new_password"
+export STUDIO_UI_STRICT=1
+export STUDIO_UI_PERMISSION_ONLY=1
+export STUDIO_UI_WALL_TIMEOUT_S=240
+export STUDIO_PLAYWRIGHT_BROWSER="$browser"
+export PW_ART_DIR="$artifact_dir"
+if [ -n "$channel" ]; then
+  export STUDIO_PLAYWRIGHT_CHANNEL="$channel"
+else
+  unset STUDIO_PLAYWRIGHT_CHANNEL || true
+fi
+
+python tests/studio/playwright_chat_ui.py