feat: introduce MCP server, cross-platform runtime, and Showcase UI reorganization
- Showcase UI Reorganization: * Move web UI dashboard from root directory into apps/showcase_ui/ for cleaner project structure * Add 'artemis ui' CLI command (artemis/interfaces/cli/commands/ui.py) and launcher scripts for the interactive showcase console - Standalone MCP Server & Notifiers (mcp_server/): * Implement dedicated MCP server package with mobile automation tools (device_state, inspect_trace, task_manager, task_runner) * Add multi-channel notifiers (AgentAPI, Desktop notifications, Webhooks, File output, and Composite routing) * Introduce background task runner and trace store for autonomous mobile execution monitoring - Cross-Platform Runtime & Toolchain Support: * Add artemis/platform/ with OS-specific implementations for Linux, macOS (Darwin), and Windows * Add artemis/runtime/supervisor.py for resilient process and agent runtime supervision * Add artemis/toolchain/ with dependency resolution and SDK descriptors * Add cross-platform launcher scripts (start.sh, start.bat) and installer scripts (scripts/install_deps.*) - Core Enhancements & Diagnostics: * Enhance coordinate normalization, OCR API fallback, and perception pipeline * Add credential validation (credentials_validator.py) and system diagnostics * Update bilingual documentation (README.md, README_CN.md) and architecture diagrams - Test Suite Expansion: * Add integration tests for cloud gateway, remote ADB, and Artemis login * Add unit tests covering core diagnostics, platform detection, toolchain, credentials validator, optional OCR, and MCP tools
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# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Device discovery, ADB resolution, and emulator management for MCP workflows."""
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import os
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import shutil
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import subprocess
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import sys
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import time
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def resolve_adb_path() -> str:
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"""Resolves the absolute path to the adb binary across platforms."""
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# 1. Check if adb is in PATH
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which_adb = shutil.which("adb")
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if which_adb:
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return which_adb
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# 2. Check ANDROID_HOME / ANDROID_SDK_ROOT
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for env_var in ("ANDROID_HOME", "ANDROID_SDK_ROOT"):
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sdk_root = os.getenv(env_var)
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if sdk_root:
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candidate = os.path.join(
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sdk_root, "platform-tools", "adb.exe" if sys.platform == "win32" else "adb"
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)
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if os.path.exists(candidate):
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return candidate
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# 3. Check standard OS-specific SDK locations
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candidates = []
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if sys.platform == "win32":
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local_appdata = os.getenv("LOCALAPPDATA", "")
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if local_appdata:
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candidates.append(
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os.path.join(local_appdata, "Android", "Sdk", "platform-tools", "adb.exe")
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)
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elif sys.platform == "darwin":
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candidates.extend(
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[
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os.path.expanduser("~/Library/Android/sdk/platform-tools/adb"),
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"/opt/homebrew/bin/adb",
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"/usr/local/bin/adb",
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]
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)
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else: # Linux
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candidates.extend(
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[
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"/usr/bin/adb",
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os.path.expanduser("~/Android/Sdk/platform-tools/adb"),
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"/usr/local/bin/adb",
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]
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)
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for cand in candidates:
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if os.path.exists(cand):
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return cand
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return "adb"
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def resolve_emulator_path() -> str | None:
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"""Resolves the path to the Android emulator executable."""
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which_emulator = shutil.which("emulator")
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if which_emulator:
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return which_emulator
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candidates = [
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os.path.expanduser("~/Android/Sdk/emulator/emulator"),
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os.path.expanduser("~/Library/Android/sdk/emulator/emulator"),
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]
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if sys.platform == "win32":
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local_appdata = os.getenv("LOCALAPPDATA", "")
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if local_appdata:
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candidates.append(
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os.path.join(local_appdata, "Android", "Sdk", "emulator", "emulator.exe")
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)
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for cand in candidates:
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if os.path.exists(cand):
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return cand
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return None
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def get_connected_devices(adb_path: str | None = None) -> list[str]:
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"""Returns a list of connected and authorized Android device serials."""
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adb = adb_path or resolve_adb_path()
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try:
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res = subprocess.run(
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[adb, "devices"],
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capture_output=True,
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text=True,
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timeout=5,
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)
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devices: list[str] = []
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for line in res.stdout.splitlines():
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line_str = line.strip()
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if line_str and not line_str.startswith("List of devices"):
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parts = line_str.split()
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if len(parts) >= 2 and parts[1] == "device":
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devices.append(parts[0])
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return devices
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except Exception:
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return []
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def is_emulator_running(adb_path: str | None = None) -> bool:
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"""Checks if an Android emulator (e.g. emulator-5554) is running and accessible."""
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adb = adb_path or resolve_adb_path()
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devices = get_connected_devices(adb)
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return any(d.startswith("emulator-") for d in devices)
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def ensure_emulator(
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avd_name: str = "AndroidWorldAvd",
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adb_path: str | None = None,
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emulator_path: str | None = None,
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timeout_seconds: int = 90,
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) -> bool:
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"""Ensures an emulator is running. If not, boots the specified AVD in the background."""
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adb = adb_path or resolve_adb_path()
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if is_emulator_running(adb):
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return True
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emu_exe = emulator_path or resolve_emulator_path()
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if not emu_exe or not os.path.exists(emu_exe):
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return False
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popen_kwargs = {"stdout": subprocess.DEVNULL, "stderr": subprocess.DEVNULL}
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if sys.platform == "win32":
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popen_kwargs["creationflags"] = (
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subprocess.CREATE_NEW_PROCESS_GROUP | subprocess.DETACHED_PROCESS # type: ignore[attr-defined]
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)
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else:
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popen_kwargs["start_new_session"] = True
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try:
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subprocess.Popen(
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[emu_exe, "-avd", avd_name, "-no-snapshot", "-grpc", "8554"],
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**popen_kwargs,
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)
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except Exception:
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return False
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start_time = time.time()
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while time.time() - start_time < timeout_seconds:
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try:
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res = subprocess.run(
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[adb, "-s", "emulator-5554", "shell", "getprop", "sys.boot_completed"],
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capture_output=True,
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text=True,
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timeout=3,
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)
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if "1" in res.stdout:
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time.sleep(2) # Stabilization
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return True
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except Exception:
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pass
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time.sleep(2)
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return False
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