diff --git a/proto/idbcompanion/idb.proto b/proto/idbcompanion/idb.proto
new file mode 100644
index 0000000..47807e9
--- /dev/null
+++ b/proto/idbcompanion/idb.proto
@@ -0,0 +1,930 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+// Pinned to the simulator companion v1.1.8 and matches the embedded binary.
+// Do NOT regenerate this file from upstream HEAD: HEAD has drifted from the
+// pinned binary, so regenerating would produce stubs that no longer match the
+// companion this driver speaks to. The only local change versus the upstream
+// source is the go_package option below, which targets the committed stub
+// package internal/driver/ioscompanion/companionpb. Regenerate the stubs from
+// the repository root with:
+//   buf generate proto/idbcompanion --template proto/idbcompanion/buf.gen.yaml
+
+syntax = "proto3";
+
+package idb;
+
+option go_package = "github.com/priyanshujain/sanderling/internal/driver/ioscompanion/companionpb;companionpb";
+
+// The idb companion service definition.
+service CompanionService {
+  // Management
+  rpc connect(ConnectRequest) returns (ConnectResponse) {}
+  rpc debugserver(stream DebugServerRequest)
+      returns (stream DebugServerResponse) {}
+  rpc dap(stream DapRequest) returns (stream DapResponse) {}
+  rpc describe(TargetDescriptionRequest) returns (TargetDescriptionResponse) {}
+  rpc install(stream InstallRequest) returns (stream InstallResponse) {}
+  rpc instruments_run(stream InstrumentsRunRequest)
+      returns (stream InstrumentsRunResponse) {}
+  rpc log(LogRequest) returns (stream LogResponse) {}
+  rpc xctrace_record(stream XctraceRecordRequest)
+      returns (stream XctraceRecordResponse) {}
+  // Interaction
+  rpc accessibility_info(AccessibilityInfoRequest)
+      returns (AccessibilityInfoResponse) {}
+  rpc focus(FocusRequest) returns (FocusResponse) {}
+  rpc hid(stream HIDEvent) returns (HIDResponse) {}
+  rpc open_url(OpenUrlRequest) returns (OpenUrlRequest) {}
+  rpc set_location(SetLocationRequest) returns (SetLocationResponse) {}
+  rpc send_notification(SendNotificationRequest)
+      returns (SendNotificationResponse) {}
+  rpc simulate_memory_warning(SimulateMemoryWarningRequest)
+      returns (SimulateMemoryWarningResponse) {}
+  // Settings
+  rpc approve(ApproveRequest) returns (ApproveResponse) {}
+  rpc revoke(RevokeRequest) returns (RevokeResponse) {}
+  rpc clear_keychain(ClearKeychainRequest) returns (ClearKeychainResponse) {}
+  rpc contacts_update(ContactsUpdateRequest) returns (ContactsUpdateResponse) {}
+  rpc setting(SettingRequest) returns (SettingResponse) {} // Sets settings
+  rpc get_setting(GetSettingRequest) returns (GetSettingResponse) {
+  } // Gets current setting
+  rpc list_settings(ListSettingRequest) returns (ListSettingResponse) {
+  } // Lists available settings
+  // App
+  rpc launch(stream LaunchRequest) returns (stream LaunchResponse) {}
+  rpc list_apps(ListAppsRequest) returns (ListAppsResponse) {}
+  rpc terminate(TerminateRequest) returns (TerminateResponse) {}
+  rpc uninstall(UninstallRequest) returns (UninstallResponse) {}
+  // Video/Audio
+  rpc add_media(stream AddMediaRequest) returns (AddMediaResponse) {}
+  rpc record(stream RecordRequest) returns (stream RecordResponse) {}
+  rpc screenshot(ScreenshotRequest) returns (ScreenshotResponse) {}
+  rpc video_stream(stream VideoStreamRequest)
+      returns (stream VideoStreamResponse) {}
+  // Crash Operations
+  rpc crash_delete(CrashLogQuery) returns (CrashLogResponse) {}
+  rpc crash_list(CrashLogQuery) returns (CrashLogResponse) {}
+  rpc crash_show(CrashShowRequest) returns (CrashShowResponse) {}
+  // xctest operations
+  rpc xctest_list_bundles(XctestListBundlesRequest)
+      returns (XctestListBundlesResponse) {}
+  rpc xctest_list_tests(XctestListTestsRequest)
+      returns (XctestListTestsResponse) {}
+  rpc xctest_run(XctestRunRequest) returns (stream XctestRunResponse) {}
+  // File Operations
+  rpc ls(LsRequest) returns (LsResponse) {}
+  rpc mkdir(MkdirRequest) returns (MkdirResponse) {}
+  rpc mv(MvRequest) returns (MvResponse) {}
+  rpc rm(RmRequest) returns (RmResponse) {}
+  rpc pull(PullRequest) returns (stream PullResponse) {}
+  rpc push(stream PushRequest) returns (PushResponse) {}
+  rpc tail(stream TailRequest) returns (stream TailResponse) {}
+}
+
+message Payload {
+  oneof source {
+    string file_path = 1;
+    bytes data = 2;
+    string url = 3;
+    Compression compression = 4;
+  }
+  enum Compression {
+    GZIP = 0;
+    ZSTD = 1;
+  }
+}
+
+message ProcessOutput {
+  enum Interface {
+    STDOUT = 0;
+    STDERR = 1;
+  }
+  Interface interface = 1;
+  bytes data = 2;
+}
+
+message CompanionInfo {
+  string udid = 1;
+  bool is_local = 4;
+  bytes metadata = 6;
+}
+
+enum Setting {
+  LOCALE = 0;
+  ANY = 1; // any kind of app or global setting
+}
+
+message SettingRequest {
+  message HardwareKeyboard {
+    bool enabled = 1;
+  }
+  message StringSetting {
+    Setting setting = 1;
+    string value = 2;
+    string name = 3; // iff setting == ANY
+    string domain = 4; // assumed "Apple Global Domain" if empty
+    /*
+     * Currently supported value_types and corresponding values are:
+     *  string <string_value>
+     *  data <hex_digits>
+     *  int[eger] <integer_value>
+     *  float  <floating-point_value>
+     *  bool[ean] (true | false | yes | no)
+     *  date <date_rep>
+     *  array <value1> <value2> ...
+     *  array-add <value1> <value2> ...
+     *  dict <key1> <value1> <key2> <value2> ...
+     *  dict-add <key1> <value1> ...
+     *
+     * Check defaults set help for more details.
+     */
+    string value_type = 5;
+  }
+  oneof setting {
+    HardwareKeyboard hardwareKeyboard = 1;
+    StringSetting stringSetting = 2;
+  }
+}
+
+message SettingResponse {}
+
+message GetSettingRequest {
+  Setting setting = 1;
+  string name = 2; // iff setting == ANY
+  string domain = 3; // assumed "Apple Global Domain" if empty
+}
+
+message GetSettingResponse {
+  string value = 1;
+}
+
+message ListSettingRequest {
+  Setting setting = 1;
+}
+
+message ListSettingResponse {
+  repeated string values = 1;
+}
+
+message ListAppsRequest {
+  bool suppress_process_state = 1;
+}
+
+message ListAppsResponse {
+  repeated InstalledAppInfo apps = 1;
+}
+
+message InstalledAppInfo {
+  string bundle_id = 1;
+  string name = 2;
+  repeated string architectures = 3;
+  string install_type = 4;
+  enum AppProcessState {
+    UNKNOWN = 0;
+    NOT_RUNNING = 1;
+    RUNNING = 2;
+  }
+  AppProcessState process_state = 5;
+  bool debuggable = 6;
+  uint64 process_identifier = 7;
+}
+
+message InstallRequest {
+  enum Destination {
+    APP = 0;
+    XCTEST = 1;
+    DYLIB = 2;
+    DSYM = 3;
+    FRAMEWORK = 4;
+  }
+  message LinkDsymToBundle {
+    enum BundleType {
+      APP = 0;
+      XCTEST = 1;
+    }
+    BundleType bundle_type = 1;
+    string bundle_id = 2;
+  }
+  oneof value {
+    Destination destination = 1;
+    Payload payload = 2;
+    string name_hint = 3;
+    bool make_debuggable = 4;
+    string bundle_id = 5; //(2022-03-02) REMOVE, For back compatibility only.
+                          // Link dSYM to app bundle_id
+    LinkDsymToBundle link_dsym_to_bundle = 6;
+    bool override_modification_time = 7;
+  }
+}
+
+message InstallResponse {
+  string name = 1;
+  string uuid = 2;
+  double progress = 3;
+}
+
+message ScreenshotRequest {}
+
+message ScreenshotResponse {
+  bytes image_data = 1;
+  string image_format = 2;
+}
+
+message FocusRequest {}
+
+message FocusResponse {}
+
+message Point {
+  double x = 1;
+  double y = 2;
+}
+
+message AccessibilityInfoRequest {
+  enum Format {
+    LEGACY = 0;
+    NESTED = 1;
+  }
+  Point point = 2;
+  Format format = 3;
+}
+
+message AccessibilityInfoResponse {
+  string json = 1;
+}
+
+message ApproveRequest {
+  enum Permission {
+    PHOTOS = 0;
+    CAMERA = 1;
+    CONTACTS = 2;
+    URL = 3;
+    LOCATION = 4;
+    NOTIFICATION = 5;
+    MICROPHONE = 6;
+  }
+  string bundle_id = 1;
+  repeated Permission permissions = 2;
+  string scheme = 3;
+}
+
+message ApproveResponse {}
+
+message RevokeRequest {
+  enum Permission {
+    PHOTOS = 0;
+    CAMERA = 1;
+    CONTACTS = 2;
+    URL = 3;
+    LOCATION = 4;
+    NOTIFICATION = 5;
+    MICROPHONE = 6;
+  }
+  string bundle_id = 1;
+  repeated Permission permissions = 2;
+  string scheme = 3;
+}
+
+message RevokeResponse {}
+
+message ClearKeychainRequest {}
+
+message ClearKeychainResponse {}
+
+message SetLocationRequest {
+  Location location = 1;
+}
+
+message Location {
+  double latitude = 1;
+  double longitude = 2;
+}
+
+message SetLocationResponse {}
+
+message UninstallRequest {
+  string bundle_id = 1;
+}
+
+message UninstallResponse {}
+
+message TerminateRequest {
+  string bundle_id = 1;
+}
+
+message TerminateResponse {}
+
+message OpenUrlRequest {
+  string url = 1;
+}
+
+message OpenUrlResponse {}
+
+message ContactsUpdateRequest {
+  Payload payload = 1;
+}
+
+message ContactsUpdateResponse {}
+
+message TargetDescriptionRequest {
+  bool fetch_diagnostics = 1;
+}
+
+message TargetDescriptionResponse {
+  TargetDescription target_description = 1;
+  CompanionInfo companion = 2;
+}
+
+message HIDEvent {
+  enum HIDDirection {
+    DOWN = 0;
+    UP = 1;
+  }
+
+  message HIDTouch {
+    Point point = 1;
+  }
+
+  enum HIDButtonType {
+    APPLE_PAY = 0;
+    HOME = 1;
+    LOCK = 2;
+    SIDE_BUTTON = 3;
+    SIRI = 4;
+  }
+
+  message HIDButton {
+    HIDButtonType button = 1;
+  }
+
+  message HIDKey {
+    uint64 keycode = 1;
+  }
+
+  message HIDPressAction {
+    oneof action {
+      HIDTouch touch = 1;
+      HIDButton button = 2;
+      HIDKey key = 3;
+    }
+  }
+
+  message HIDPress {
+    HIDPressAction action = 1;
+    HIDDirection direction = 2;
+  }
+
+  message HIDSwipe {
+    Point start = 1;
+    Point end = 2;
+    double delta = 5;
+    double duration = 6;
+  }
+
+  message HIDDelay {
+    double duration = 1;
+  }
+
+  oneof event {
+    HIDPress press = 1;
+    HIDSwipe swipe = 2;
+    HIDDelay delay = 3;
+  }
+}
+
+message HIDResponse {}
+
+message ConnectRequest {
+  map<string, string> metadata = 1;
+  string local_file_path = 4;
+}
+
+message ConnectResponse {
+  CompanionInfo companion = 1;
+}
+
+message ScreenDimensions {
+  uint64 width = 1;
+  uint64 height = 2;
+  double density = 3;
+  uint64 width_points = 4;
+  uint64 height_points = 5;
+}
+
+message TargetDescription {
+  string udid = 1;
+  string name = 2;
+  ScreenDimensions screen_dimensions = 3;
+  string state = 4;
+  string target_type = 5;
+  string os_version = 6;
+  string architecture = 7;
+  bytes extended = 9;
+  bytes diagnostics = 10;
+}
+
+message LogRequest {
+  enum Source {
+    TARGET = 0;
+    COMPANION = 1;
+  }
+  repeated string arguments = 1;
+  Source source = 2;
+}
+
+message LogResponse {
+  bytes output = 1;
+}
+
+message RecordRequest {
+  message Start {
+    string file_path = 1;
+  }
+  message Stop {}
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+  }
+}
+
+message RecordResponse {
+  oneof output {
+    bytes log_output = 1;
+    Payload payload = 2;
+  }
+}
+
+message VideoStreamRequest {
+  enum Format {
+    H264 = 0;
+    RBGA = 1;
+    MJPEG = 2;
+    MINICAP = 3;
+    I420 = 4;
+  }
+  message Start {
+    string file_path = 1;
+    uint64 fps = 2;
+    Format format = 3;
+    double compression_quality = 4;
+    double scale_factor = 5;
+    double avg_bitrate = 6;
+  }
+  message Stop {}
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+  }
+}
+
+message VideoStreamResponse {
+  oneof output {
+    bytes log_output = 1;
+    Payload payload = 2;
+  }
+}
+
+message LaunchRequest {
+  message Start {
+    string bundle_id = 1;
+    map<string, string> env = 2;
+    repeated string app_args = 3;
+    bool foreground_if_running = 4;
+    bool wait_for = 5;
+    bool wait_for_debugger = 6;
+  }
+  message Stop {}
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+  }
+}
+
+message LaunchResponse {
+  ProcessOutput output = 3;
+  DebuggerInfo debugger = 4;
+}
+
+message AddMediaRequest {
+  Payload payload = 1;
+}
+
+message AddMediaResponse {}
+
+message InstrumentsRunRequest {
+  message InstrumentsTimings {
+    double terminate_timeout = 1;
+    double launch_retry_timeout = 2;
+    double launch_error_timeout = 3;
+    double operation_duration = 4;
+  }
+  message Start {
+    string template_name = 2;
+    string app_bundle_id = 3;
+    map<string, string> environment = 4;
+    repeated string arguments = 5;
+    InstrumentsTimings timings = 6;
+    repeated string tool_arguments = 7;
+  }
+  message Stop {
+    repeated string post_process_arguments = 1;
+  }
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+  }
+}
+
+message InstrumentsRunResponse {
+  enum State {
+    UNKNOWN = 0;
+    RUNNING_INSTRUMENTS = 1;
+    POST_PROCESSING = 2;
+  }
+  oneof output {
+    bytes log_output = 1;
+    Payload payload = 2;
+    State state = 3;
+  }
+}
+
+message XctraceRecordRequest {
+  message LauchProcess {
+    string process_to_launch = 1;
+    repeated string launch_args = 2;
+    string target_stdin = 3;
+    string target_stdout = 4;
+    map<string, string> process_env = 5;
+  }
+  message Target {
+    oneof target {
+      bool all_processes = 1;
+      string process_to_attach = 2;
+      LauchProcess launch_process = 3;
+    }
+  }
+  message Start {
+    string template_name = 1;
+    double time_limit = 2;
+    string package = 3;
+    Target target = 4;
+  }
+  message Stop {
+    double timeout = 1;
+    repeated string args = 2;
+  }
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+  }
+}
+
+message XctraceRecordResponse {
+  enum State {
+    UNKNOWN = 0;
+    RUNNING = 1;
+    PROCESSING = 2;
+  }
+  oneof output {
+    bytes log = 1;
+    Payload payload = 2;
+    State state = 3;
+  }
+}
+
+message DebugServerRequest {
+  message Start {
+    string bundle_id = 1;
+  }
+  message Status {}
+  message Stop {}
+  message Pipe {
+    bytes data = 1;
+  }
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+    Status status = 3;
+    Pipe pipe = 4;
+  }
+}
+
+message DebugServerResponse {
+  message Pipe {
+    bytes data = 1;
+  }
+  message Status {
+    repeated string lldb_bootstrap_commands = 1;
+  }
+  oneof control {
+    Status status = 1;
+    Pipe pipe = 2;
+  }
+}
+
+// crashes
+
+message CrashShowRequest {
+  string name = 1;
+}
+
+message CrashLogResponse {
+  repeated CrashLogInfo list = 1;
+}
+
+message CrashLogInfo {
+  string name = 1;
+  string bundle_id = 2;
+  string process_name = 3;
+  string parent_process_name = 4;
+  uint64 process_identifier = 5;
+  uint64 parent_process_identifier = 6;
+  uint64 timestamp = 7;
+}
+
+message CrashShowResponse {
+  CrashLogInfo info = 1;
+  string contents = 2;
+}
+
+message CrashLogQuery {
+  uint64 since = 1;
+  uint64 before = 2;
+  string bundle_id = 3;
+  string name = 4;
+}
+
+// xctest
+
+message XctestListBundlesRequest {}
+
+message XctestListBundlesResponse {
+  message Bundles {
+    string name = 1;
+    string bundle_id = 2;
+    repeated string architectures = 3;
+  }
+  repeated Bundles bundles = 1;
+}
+
+message XctestListTestsRequest {
+  string bundle_name = 1;
+  string app_path = 2;
+}
+
+message XctestListTestsResponse {
+  repeated string names = 1;
+}
+
+message XctestRunRequest {
+  message Logic {}
+  message Application {
+    string app_bundle_id = 1;
+  }
+  message UI {
+    string app_bundle_id = 1;
+    string test_host_app_bundle_id = 2;
+  }
+  message Mode {
+    oneof mode {
+      Logic logic = 1;
+      Application application = 2;
+      UI ui = 3;
+    }
+  }
+  message CodeCoverage {
+    enum Format {
+      EXPORTED = 0;
+      RAW = 1;
+    }
+    bool collect = 1;
+    Format format = 2;
+  }
+  Mode mode = 1;
+  string test_bundle_id = 2;
+  repeated string tests_to_run = 3;
+  repeated string tests_to_skip = 4;
+  repeated string arguments = 5;
+  map<string, string> environment = 6;
+  uint64 timeout = 7;
+  bool report_activities = 8;
+  bool collect_coverage = 9;
+  bool report_attachments = 10;
+  bool collect_logs = 11;
+  bool wait_for_debugger = 12;
+  CodeCoverage code_coverage = 13;
+  bool collect_result_bundle = 14;
+}
+
+message XctestRunResponse {
+  message TestRunInfo {
+    message TestRunFailureInfo {
+      string failure_message = 1;
+      string file = 2;
+      uint64 line = 3;
+    }
+    message TestAttachment {
+      bytes payload = 1;
+      double timestamp = 2;
+      string name = 3;
+      string uniform_type_identifier = 4;
+      bytes user_info_json = 5;
+    }
+    message TestActivity {
+      string title = 1;
+      double duration = 2;
+      string uuid = 3;
+      string activity_type = 4;
+      double start = 5;
+      double finish = 6;
+      string name = 7;
+      repeated TestAttachment attachments = 8;
+      repeated TestActivity sub_activities = 9;
+    }
+    enum Status {
+      PASSED = 0;
+      FAILED = 1;
+      CRASHED = 2;
+    }
+    Status status = 1;
+    string bundle_name = 2;
+    string class_name = 3;
+    string method_name = 4;
+    double duration = 5;
+    TestRunFailureInfo failure_info = 6;
+    repeated string logs = 7;
+    repeated TestActivity activityLogs = 8;
+  }
+  enum Status {
+    RUNNING = 0;
+    TERMINATED_NORMALLY = 1;
+    TERMINATED_ABNORMALLY = 2;
+  }
+  Status status = 1;
+  repeated TestRunInfo results = 2;
+  repeated string log_output = 3;
+  Payload result_bundle = 4;
+  string coverage_json = 5;
+  Payload log_directory = 6;
+  DebuggerInfo debugger = 7;
+  Payload code_coverage_data = 8;
+}
+
+// File
+
+message FileContainer {
+  enum Kind {
+    NONE = 0;
+    APPLICATION = 1;
+    ROOT = 2;
+    MEDIA = 3;
+    CRASHES = 4;
+    PROVISIONING_PROFILES = 5;
+    MDM_PROFILES = 6;
+    SPRINGBOARD_ICONS = 7;
+    WALLPAPER = 8;
+    DISK_IMAGES = 9;
+    GROUP_CONTAINER = 10;
+    APPLICATION_CONTAINER = 11;
+    AUXILLARY = 12;
+    XCTEST = 13;
+    DYLIB = 14;
+    DSYM = 15;
+    FRAMEWORK = 16;
+    SYMBOLS = 17;
+  }
+  Kind kind = 1;
+  string bundle_id = 2;
+}
+
+message FileInfo {
+  string path = 1;
+}
+
+message FileListing {
+  FileInfo parent = 1;
+  repeated FileInfo files = 2;
+}
+
+message LsResponse {
+  repeated FileInfo files = 1;
+  repeated FileListing listings = 2;
+}
+
+message LsRequest {
+  string path = 2;
+  FileContainer container = 3;
+  repeated string paths = 4;
+}
+
+message MkdirRequest {
+  string path = 2;
+  FileContainer container = 3;
+}
+
+message MkdirResponse {}
+
+message MvRequest {
+  repeated string src_paths = 2;
+  string dst_path = 3;
+  FileContainer container = 4;
+}
+
+message MvResponse {}
+
+message RmRequest {
+  repeated string paths = 2;
+  FileContainer container = 3;
+}
+
+message RmResponse {}
+
+message PushRequest {
+  message Inner {
+    string dst_path = 2;
+    FileContainer container = 3;
+  }
+  oneof value {
+    Payload payload = 1;
+    Inner inner = 2;
+  }
+}
+
+message PushResponse {}
+
+message PullRequest {
+  string src_path = 2;
+  string dst_path = 3;
+  FileContainer container = 4;
+}
+
+message PullResponse {
+  Payload payload = 1;
+}
+
+message TailRequest {
+  message Start {
+    FileContainer container = 1;
+    string path = 2;
+  }
+  message Stop {}
+  oneof control {
+    Start start = 1;
+    Stop stop = 2;
+  }
+}
+
+message TailResponse {
+  bytes data = 1;
+}
+
+message DebuggerInfo {
+  uint64 pid = 1;
+  string host = 2;
+  uint64 port = 3;
+}
+
+message SendNotificationRequest {
+  string bundle_id = 1;
+  string json_payload = 2;
+}
+
+message SendNotificationResponse {}
+
+message DapRequest {
+  message Start {
+    string debugger_pkg_id = 1;
+  }
+  message Pipe {
+    bytes data = 1;
+  }
+  message Stop {}
+  oneof control {
+    Start start = 1;
+    Pipe pipe = 2;
+    Stop stop = 3;
+  }
+}
+
+message DapResponse {
+  message Event {
+    string desc = 1;
+  }
+  message Pipe {
+    bytes data = 1;
+  }
+
+  oneof event {
+    Event started = 1;
+    Pipe stdout = 2;
+    Event stopped = 3;
+  }
+}
+
+message SimulateMemoryWarningRequest {}
+
+message SimulateMemoryWarningResponse {}