Added a debug system and fixed thread issues with update / repair.

ptlinux/ui.py

@@ -39,6 +39,12 @@ from .desktop_identity import (
 	APPLICATION_WM_CLASS,
 	find_application_icon,
 )
+from .dashboard_debug import (
+	RuntimeDebugInfo,
+	VerificationDebugInfo,
+	inspect_runtime_debug,
+	read_verification_debug,
+)
 from .install_status import (
 	GameInstallationStatus,
 	PrimaryAction,
@@ -57,7 +63,7 @@ from .news import (
 )
 from .overlay import RuntimeCompatibility, inspect_runtime_compatibility
 from .paths import AppPaths
-from .settings import ensure_settings, update_settings
+from .settings import Settings, ensure_settings, load_settings, update_settings
 from .self_update import (
 	LauncherUpdateCheck,
 	cache_launcher_update_check,
@@ -94,7 +100,8 @@ DASHBOARD_TRANSITION_STEP_MILLISECONDS = 16
 DASHBOARD_TRANSITION_STEPS = 9
 DASHBOARD_TRANSITION_MINIMUM_OPACITY = 0.18
 PRELOADER_STATUS_CHARACTERS = 64
-SERVER_POPULATION_DEBUG_KEY = "<Control-Shift-F12>"
+DASHBOARD_DEBUG_KEY = "<Control-Shift-F12>"
+SERVER_STATUS_STALE_SECONDS = 5 * 60
 DASHBOARD_STARTUP_COMPONENTS = frozenset(
 	{
 		"broadcast",
@@ -135,6 +142,26 @@ class ServerStatusPresentation:
 	style: str
 
 
+@dataclass(frozen=True)
+class ServerStatusCheck:
+	"""One measured attempt to retrieve official realm health."""
+
+	statuses: tuple[RealmServerStatus, ...] | None
+	checked_at: float
+	duration_seconds: float
+	error: str | None = None
+
+
+@dataclass(frozen=True)
+class GameClientDebugState:
+	"""Live process state exposed only in the hidden dashboard debug view."""
+
+	client_id: int
+	phase: str
+	supervisor_pid: int | None
+	elapsed_seconds: float
+
+
 class DashboardError(RuntimeError):
 	"""Raised when the native dashboard cannot be displayed."""
 
@@ -142,32 +169,75 @@ class DashboardError(RuntimeError):
 class GameClientTracker:
 	"""Track dashboard-launched clients without retaining process objects in Tk."""
 
-	def __init__(self) -> None:
+	def __init__(self, *, clock: Callable[[], float] = time.monotonic) -> None:
+		self._clock = clock
 		self._next_client_id = 1
 		self._starting: set[int] = set()
 		self._running: set[int] = set()
+		self._started_at: dict[int, float] = {}
+		self._running_at: dict[int, float] = {}
+		self._supervisor_pids: dict[int, int] = {}
 
 	def begin(self) -> int:
 		client_id = self._next_client_id
 		self._next_client_id += 1
 		self._starting.add(client_id)
+		self._started_at[client_id] = self._clock()
 		return client_id
 
+	def attach_supervisor(self, client_id: int, pid: int) -> bool:
+		if pid <= 0 or (
+			client_id not in self._starting and client_id not in self._running
+		):
+			return False
+		self._supervisor_pids[client_id] = pid
+		return True
+
 	def mark_running(self, client_id: int) -> bool:
 		if client_id in self._running or client_id not in self._starting:
 			return False
 		self._starting.remove(client_id)
 		self._running.add(client_id)
+		self._running_at[client_id] = self._clock()
 		return True
 
 	def finish(self, client_id: int) -> str | None:
 		if client_id in self._starting:
 			self._starting.remove(client_id)
-			return "starting"
-		if client_id in self._running:
+			phase = "starting"
+		elif client_id in self._running:
 			self._running.remove(client_id)
-			return "running"
+			phase = "running"
+		else:
 			return None
+		self._started_at.pop(client_id, None)
+		self._running_at.pop(client_id, None)
+		self._supervisor_pids.pop(client_id, None)
+		return phase
+
+	def debug_states(
+		self,
+		*,
+		timestamp: float | None = None,
+	) -> tuple[GameClientDebugState, ...]:
+		now = self._clock() if timestamp is None else timestamp
+		return tuple(
+			GameClientDebugState(
+				client_id=client_id,
+				phase="running" if client_id in self._running else "starting",
+				supervisor_pid=self._supervisor_pids.get(client_id),
+				elapsed_seconds=max(
+					0.0,
+					now
+					- (
+						self._running_at.get(client_id, now)
+						if client_id in self._running
+						else self._started_at.get(client_id, now)
+					),
+				),
+			)
+			for client_id in sorted(self._starting | self._running)
+		)
 
 	@property
 	def starting_count(self) -> int:
@@ -191,6 +261,59 @@ def game_client_activity_text(running_count: int) -> str:
 	return f"{running_count} {label} running"
 
 
+def debug_elapsed_text(elapsed_seconds: float) -> str:
+	"""Format a live debug duration without sub-second UI churn."""
+
+	seconds = max(0, int(elapsed_seconds))
+	hours, remainder = divmod(seconds, 60 * 60)
+	minutes, seconds = divmod(remainder, 60)
+	if hours:
+		return f"{hours}h {minutes}m {seconds}s"
+	if minutes:
+		return f"{minutes}m {seconds}s"
+	return f"{seconds}s"
+
+
+def operation_activity_text(
+	message: str,
+	*,
+	started_at: float | None,
+	step: int = 0,
+	total: int = 0,
+	detail: str | None = None,
+	timestamp: float | None = None,
+) -> str:
+	"""Render live operation progress without dropping its elapsed timer."""
+
+	if detail is not None:
+		base = detail
+	elif total > 0:
+		base = f"Step {step}/{total} · {message}"
+	else:
+		return message
+	if started_at is None:
+		return base
+	now = time.monotonic() if timestamp is None else timestamp
+	elapsed = int(max(0.0, now - started_at))
+	return f"{base} · {elapsed}s elapsed"
+
+
+def should_refresh_operation_elapsed(
+	*,
+	active: bool,
+	started_at: float | None,
+	stage_total: int,
+	detail: str | None,
+) -> bool:
+	"""Return whether the dashboard has operation text with a live timer."""
+
+	return (
+		active
+		and started_at is not None
+		and (stage_total > 0 or detail is not None)
+	)
+
+
 def game_sync_presentation(
 	*,
 	installed: bool,
@@ -224,29 +347,96 @@ def game_file_progress_status(current_file: str, verb: str) -> str:
 	return f"{verb} {current_file}"
 
 
+def perform_server_status_check(
+	*,
+	fetcher: Callable[[], tuple[RealmServerStatus, ...]] = fetch_server_status,
+	monotonic: Callable[[], float] = time.monotonic,
+	wall_clock: Callable[[], float] = time.time,
+) -> ServerStatusCheck:
+	"""Measure one official status request without leaking its endpoint."""
+
+	started_at = monotonic()
+	try:
+		statuses = fetcher()
+	except ServerStatusError as error:
+		duration_seconds = max(0.0, monotonic() - started_at)
+		return ServerStatusCheck(
+			statuses=None,
+			checked_at=wall_clock(),
+			duration_seconds=duration_seconds,
+			error=str(error),
+		)
+	duration_seconds = max(0.0, monotonic() - started_at)
+	return ServerStatusCheck(
+		statuses=statuses,
+		checked_at=wall_clock(),
+		duration_seconds=duration_seconds,
+	)
+
+
+def server_status_check_text(
+	check: ServerStatusCheck,
+	*,
+	timestamp: float | None = None,
+) -> str:
+	"""Render fetch age, latency, and freshness for the hidden debug view."""
+
+	now = time.time() if timestamp is None else timestamp
+	age_seconds = max(0.0, now - check.checked_at)
+	whole_seconds = int(age_seconds)
+	if whole_seconds < 60:
+		age = f"{whole_seconds}s"
+	elif whole_seconds < 60 * 60:
+		age = f"{whole_seconds // 60}m"
+	elif whole_seconds < 24 * 60 * 60:
+		age = f"{whole_seconds // (60 * 60)}h"
+	else:
+		age = f"{whole_seconds // (24 * 60 * 60)}d"
+	latency_milliseconds = max(0, round(check.duration_seconds * 1000))
+	timing = f"checked {age} ago · {latency_milliseconds} ms"
+	if check.error is not None:
+		return f"failed · {timing} · {check.error}"
+	freshness = "stale" if age_seconds >= SERVER_STATUS_STALE_SECONDS else "fresh"
+	return f"{freshness} · {timing}"
+
+
+def _server_component_text(name: str, online: bool | None) -> str:
+	if online is True:
+		state = "up"
+	elif online is False:
+		state = "down"
+	else:
+		state = "unknown"
+	return f"{name} {state}"
+
+
 def server_status_presentation(
 	status: RealmServerStatus,
 	*,
-	show_player_count: bool = False,
+	show_debug_details: bool = False,
 ) -> ServerStatusPresentation:
 	if status.online is True:
-		players = ""
-		if show_player_count and status.players_online is not None:
+		text = f"● {status.name}"
+		style = "ServerOnline.TLabel"
+	elif status.online is False:
+		text = f"● {status.name} · offline"
+		style = "ServerOffline.TLabel"
+	else:
+		text = f"○ {status.name} · status unknown"
+		style = "ServerUnknown.TLabel"
+	if show_debug_details:
+		details: list[str] = []
+		if status.players_online is not None:
 			label = "player" if status.players_online == 1 else "players"
-			players = f" · {status.players_online} {label}"
-		return ServerStatusPresentation(
-			text=f"● {status.name}{players}",
-			style="ServerOnline.TLabel",
+			details.append(f"{status.players_online} {label}")
+		details.extend(
+			(
+				_server_component_text("login", status.login_online),
+				_server_component_text("game", status.game_online),
 			)
-	if status.online is False:
-		return ServerStatusPresentation(
-			text=f"● {status.name} · offline",
-			style="ServerOffline.TLabel",
-		)
-	return ServerStatusPresentation(
-		text=f"○ {status.name} · status unknown",
-		style="ServerUnknown.TLabel",
 		)
+		text = " · ".join((text, *details))
+	return ServerStatusPresentation(text=text, style=style)
 
 
 def patch_change_colors(type_key: str) -> tuple[str, str]:
@@ -1257,6 +1447,12 @@ def run_dashboard(paths: AppPaths) -> None:
 	).pack(side="left", fill="y", padx=(0, 8))
 	server_status_content = ttk.Frame(server_status_row, style="Surface.TFrame")
 	server_status_content.pack(side="left", fill="y", anchor="w")
+	server_status_debug_text = tk.StringVar(value="")
+	ttk.Label(
+		server_status_row,
+		textvariable=server_status_debug_text,
+		style="Muted.TLabel",
+	).pack(side="right", anchor="e", padx=(8, 0))
 	ttk.Label(
 		server_status_content,
 		text="Checking official server status…",
@@ -1382,7 +1578,11 @@ def run_dashboard(paths: AppPaths) -> None:
 	preloader_status: tk.StringVar | None = None
 	preloader_progress: ttk.Progressbar | None = None
 	settings_window: tk.Toplevel | None = None
+	dashboard_debug_window: tk.Toplevel | None = None
+	dashboard_debug_output: tk.Text | None = None
 	game_clients = GameClientTracker()
+	client_runtime_debug: dict[int, RuntimeDebugInfo] = {}
+	client_launch_settings: dict[int, Settings] = {}
 	active_game_launch_id: int | None = None
 	operation_active = False
 	game_window_active = False
@@ -1391,15 +1591,22 @@ def run_dashboard(paths: AppPaths) -> None:
 	operation_stage = 0
 	operation_stage_total = 0
 	operation_message = ""
+	operation_progress_detail: str | None = None
 	operation_refreshes_compatibility = False
 	operation_file_progress_verb = "Updating"
 	last_elapsed_second = -1
 	official_snapshot: DepotSnapshot | None = None
+	latest_installation_status: GameInstallationStatus | None = None
 	available_start_options: tuple[DepotStartOption, ...] = (DEFAULT_DEPOT_START_OPTION,)
 	preferred_realm = startup_settings.realm
 	latest_server_statuses: tuple[RealmServerStatus, ...] | None = None
+	latest_server_status_check: ServerStatusCheck | None = None
 	server_status_placeholder = "Checking official server status…"
-	show_server_population = False
+	show_dashboard_debug = False
+	dashboard_runtime_debug: RuntimeDebugInfo | None = None
+	dashboard_verification_debug: VerificationDebugInfo | None = None
+	dashboard_debug_state_error: str | None = None
+	last_dashboard_debug_render = ""
 	launcher_update_check: LauncherUpdateCheck | None = None
 	runtime_compatibility: RuntimeCompatibility | None = None
 	compatibility_check_generation = 0
@@ -1456,6 +1663,7 @@ def run_dashboard(paths: AppPaths) -> None:
 				button.configure(state="disabled")
 
 	def update_progress(event: Mapping[str, object]) -> None:
+		nonlocal operation_progress_detail
 		phase = event.get("phase")
 		files_completed = _as_int(event.get("files_completed"))
 		files_total = _as_int(event.get("files_total"))
@@ -1471,7 +1679,7 @@ def run_dashboard(paths: AppPaths) -> None:
 		progress_bar.configure(mode="determinate")
 		if bytes_total:
 			progress_bar.configure(maximum=bytes_total, value=min(bytes_completed, bytes_total))
-			progress_text.set(
+			operation_progress_detail = (
 				f"{files_completed}/{files_total} files · "
 				f"{_format_bytes(bytes_completed)} / {_format_bytes(bytes_total)}"
 			)
@@ -1484,9 +1692,10 @@ def run_dashboard(paths: AppPaths) -> None:
 				speed_text.set("")
 		else:
 			progress_bar.configure(maximum=3, value=3)
-			progress_text.set("Game files are already up to date.")
+			operation_progress_detail = "Game files are already up to date."
 			transfer_rate.reset()
 			speed_text.set("")
+		progress_text.set(activity_text())
 		if isinstance(current_file, str) and current_file:
 			status.set(
 				game_file_progress_status(current_file, operation_file_progress_verb)
@@ -1495,19 +1704,21 @@ def run_dashboard(paths: AppPaths) -> None:
 			status.set("Game files are up to date and verified.")
 
 	def activity_text() -> str:
-		if operation_started_at is None or operation_stage_total <= 0:
-			return operation_message
-		elapsed = int(time.monotonic() - operation_started_at)
-		return (
-			f"Step {operation_stage}/{operation_stage_total} · "
-			f"{operation_message} · {elapsed}s elapsed"
+		return operation_activity_text(
+			operation_message,
+			started_at=operation_started_at,
+			step=operation_stage,
+			total=operation_stage_total,
+			detail=operation_progress_detail,
 		)
 
 	def set_operation_stage(step: int, total: int, message: str) -> None:
 		nonlocal operation_stage, operation_stage_total, operation_message
+		nonlocal operation_progress_detail
 		operation_stage = min(max(step, 0), total)
 		operation_stage_total = max(total, 1)
 		operation_message = message
+		operation_progress_detail = None
 		transfer_rate.reset()
 		speed_text.set("")
 		progress_bar.stop()
@@ -1522,12 +1733,14 @@ def run_dashboard(paths: AppPaths) -> None:
 
 	def update_elapsed_indicator() -> None:
 		nonlocal last_elapsed_second
-		if (
-			not operation_active
-			or operation_started_at is None
-			or operation_stage_total != LAUNCH_STAGE_TOTAL
+		if not should_refresh_operation_elapsed(
+			active=operation_active,
+			started_at=operation_started_at,
+			stage_total=operation_stage_total,
+			detail=operation_progress_detail,
 		):
 			return
+		assert operation_started_at is not None
 		elapsed = int(time.monotonic() - operation_started_at)
 		if elapsed == last_elapsed_second:
 			return
@@ -1619,6 +1832,7 @@ def run_dashboard(paths: AppPaths) -> None:
 		nonlocal operation_stage
 		nonlocal operation_stage_total
 		nonlocal operation_message
+		nonlocal operation_progress_detail
 		nonlocal operation_refreshes_compatibility
 		nonlocal operation_file_progress_verb
 		nonlocal last_elapsed_second
@@ -1628,6 +1842,7 @@ def run_dashboard(paths: AppPaths) -> None:
 		operation_stage = 0
 		operation_stage_total = 0
 		operation_message = ""
+		operation_progress_detail = None
 		operation_refreshes_compatibility = game_files_may_change
 		operation_file_progress_verb = file_progress_verb
 		last_elapsed_second = -1
@@ -1669,6 +1884,10 @@ def run_dashboard(paths: AppPaths) -> None:
 				else:
 					events.put(("game_done", (game_client_id, 1)))
 				return
+			if game_client_id is not None:
+				events.put(
+					("game_supervisor_started", (game_client_id, process.pid))
+				)
 			if process.stdout is not None:
 				for line in process.stdout:
 					if line.startswith("STATUS "):
@@ -2204,7 +2423,19 @@ def run_dashboard(paths: AppPaths) -> None:
 
 		threading.Thread(target=worker, name="ptlinux-logo", daemon=True).start()
 
+	def update_server_status_debug_text() -> None:
+		value = ""
+		if show_dashboard_debug:
+			value = (
+				server_status_check_text(latest_server_status_check)
+				if latest_server_status_check is not None
+				else "status check pending"
+			)
+		if server_status_debug_text.get() != value:
+			server_status_debug_text.set(value)
+
 	def render_server_status() -> None:
+		update_server_status_debug_text()
 		for child in server_status_content.winfo_children():
 			child.destroy()
 		if latest_server_statuses is None:
@@ -2232,7 +2463,7 @@ def run_dashboard(paths: AppPaths) -> None:
 		for index, server in enumerate(visible):
 			presentation = server_status_presentation(
 				server,
-				show_player_count=show_server_population,
+				show_debug_details=show_dashboard_debug,
 			)
 			ttk.Label(
 				server_status_content,
@@ -2245,24 +2476,315 @@ def run_dashboard(paths: AppPaths) -> None:
 			)
 
 	def show_server_status(
-		statuses: tuple[RealmServerStatus, ...] | None,
-		*,
-		placeholder: str = "Server status unavailable.",
+		check: ServerStatusCheck,
 	) -> None:
-		nonlocal latest_server_statuses, server_status_placeholder
-		latest_server_statuses = statuses
-		server_status_placeholder = placeholder
+		nonlocal latest_server_statuses, latest_server_status_check
+		nonlocal server_status_placeholder
+		latest_server_status_check = check
+		latest_server_statuses = check.statuses
+		server_status_placeholder = (
+			"Server status unavailable."
+			if check.error is not None
+			else "Official status is unavailable for this realm."
+		)
 		render_server_status()
 
-	def toggle_server_population_debug(_event: object | None = None) -> str:
-		nonlocal show_server_population
-		show_server_population = not show_server_population
+	def refresh_dashboard_debug_disk_state() -> None:
+		nonlocal dashboard_runtime_debug, dashboard_verification_debug
+		nonlocal dashboard_debug_state_error
+		dashboard_debug_state_error = None
+		try:
+			settings = load_settings(paths)
+		except (OSError, ValueError) as error:
+			dashboard_runtime_debug = None
+			dashboard_debug_state_error = f"settings unavailable: {error}"
+		else:
+			dashboard_runtime_debug = inspect_runtime_debug(paths, settings)
+		try:
+			dashboard_verification_debug = read_verification_debug(paths)
+		except OSError as error:
+			dashboard_verification_debug = None
+			detail = f"verification state unavailable: {error}"
+			dashboard_debug_state_error = (
+				f"{dashboard_debug_state_error}; {detail}"
+				if dashboard_debug_state_error
+				else detail
+			)
+
+	def current_debug_start_option() -> DepotStartOption | None:
+		selected_name = realm_value.get().casefold()
+		return next(
+			(
+				option
+				for option in available_start_options
+				if option.name.casefold() == selected_name
+			),
+			None,
+		)
+
+	def dashboard_debug_report() -> str:
+		lines = ["PT-LINUX DASHBOARD DEBUG", ""]
+		lines.extend(("SERVERS", "-------"))
+		lines.append(
+			server_status_check_text(latest_server_status_check)
+			if latest_server_status_check is not None
+			else "status check pending"
+		)
+		if latest_server_statuses:
+			lines.extend(
+				server_status_presentation(
+					server,
+					show_debug_details=True,
+				).text
+				for server in latest_server_statuses
+			)
+		else:
+			lines.append(server_status_placeholder)
+
+		lines.extend(("", "LAUNCH", "------"))
+		start_option = current_debug_start_option()
+		lines.append(f"Realm: {realm_value.get() or 'unknown'}")
+		lines.append(
+			f"Executable: {start_option.path if start_option is not None else 'unknown'}"
+		)
+		lines.append(
+			f"Arguments: {start_option.arguments if start_option is not None else 'unknown'}"
+		)
+		if official_snapshot is None:
+			lines.append("Official depot: unavailable")
+		else:
+			lines.append(
+				f"Official depot: build {official_snapshot.build} · "
+				f"version {official_snapshot.version}"
+			)
+		if latest_installation_status is None:
+			lines.append("Installed depot: unchecked")
+		else:
+			local_build = latest_installation_status.local_build
+			lines.append(
+				f"Installed depot: {local_build if local_build is not None else 'unknown'}"
+			)
+
+		client_states = game_clients.debug_states()
+		active_runtime = next(
+			(
+				client_runtime_debug[state.client_id]
+				for state in client_states
+				if state.client_id in client_runtime_debug
+			),
+			dashboard_runtime_debug,
+		)
+		lines.extend(("", "RUNTIME", "-------"))
+		lines.append(
+			"Source: active client launch snapshot"
+			if client_states and active_runtime is not dashboard_runtime_debug
+			else "Source: next-launch selection"
+		)
+		if active_runtime is None:
+			lines.append(dashboard_debug_state_error or "Runtime state unavailable")
+		else:
+			lines.append(
+				f"Requested / selected: {active_runtime.requested_kind} / "
+				f"{active_runtime.selected_kind or 'unavailable'}"
+			)
+			lines.append(f"Runtime executable: {active_runtime.executable or 'unavailable'}")
+			lines.append(f"Proton: {active_runtime.proton_path or 'not applicable'}")
+			lines.append(f"Prefix: {active_runtime.prefix or 'unavailable'}")
+			lines.append(
+				f"Synchronization: {active_runtime.sync_configured} / "
+				f"{active_runtime.sync_effective or 'runtime managed'}"
+			)
+			lines.append(
+				f"Prepared runtime: {active_runtime.prepared_kind or 'not recorded'} · "
+				f"{active_runtime.prepared_at or 'time unavailable'}"
+			)
+			if active_runtime.prepared_proton_path is not None:
+				lines.append(f"Prepared Proton: {active_runtime.prepared_proton_path}")
+			marker_match = active_runtime.marker_matches_selection
+			lines.append(
+				"Preparation marker matches selection: "
+				+ (
+					"yes"
+					if marker_match is True
+					else "no"
+					if marker_match is False
+					else "unknown"
+				)
+			)
+			lines.append(
+				f"DXVK D3D9 override: "
+				f"{active_runtime.dxvk_d3d9_override or 'not recorded'}"
+			)
+			lines.append(f"DXVK state cache: {paths.dxvk_cache}")
+			if active_runtime.error:
+				lines.append(f"Runtime selection error: {active_runtime.error}")
+
+		lines.extend(("", "CLIENTS", "-------"))
+		lines.append(
+			f"Starting: {game_clients.starting_count} · "
+			f"running: {game_clients.running_count}"
+		)
+		if not client_states:
+			lines.append("No active game clients")
+		for state in client_states:
+			pid = str(state.supervisor_pid) if state.supervisor_pid is not None else "pending"
+			lines.append(
+				f"Client {state.client_id}: {state.phase} · "
+				f"{debug_elapsed_text(state.elapsed_seconds)} · supervisor PID {pid}"
+			)
+			client_runtime = client_runtime_debug.get(state.client_id)
+			if client_runtime is not None:
+				lines.append(
+					f"  runtime {client_runtime.selected_kind or 'unavailable'} · "
+					f"prefix {client_runtime.prefix or 'unavailable'}"
+				)
+			if state.client_id == active_game_launch_id and operation_stage_total > 0:
+				lines.append(
+					f"  launch stage {operation_stage}/{operation_stage_total} · "
+					f"{operation_message or 'waiting'}"
+				)
+		if operation_active and active_game_launch_id is None:
+			lines.append(
+				f"Launcher operation: {operation_stage}/{operation_stage_total} · "
+				f"{operation_message or status.get()}"
+			)
+
+		lines.extend(("", "VERIFICATION", "------------"))
+		verification = dashboard_verification_debug
+		if verification is None:
+			lines.append(dashboard_debug_state_error or "Verification state unavailable")
+		else:
+			lines.append(f"Imported-tree trust: {verification.import_state}")
+			if verification.import_verified_at is not None:
+				lines.append(
+					f"Import verified: build "
+					f"{verification.import_build if verification.import_build is not None else 'unknown'} · "
+					f"{verification.import_verified_at}"
+				)
+			lines.append(
+				f"Last full verification: "
+				f"{verification.last_full_verification_at or 'not recorded'}"
+			)
+			lines.append(
+				f"Last depot sync: {verification.last_sync_at or 'not recorded'} · "
+				f"{verification.mode or 'mode unknown'}"
+			)
+			lines.append(
+				f"Cached integrity: build "
+				f"{verification.build if verification.build is not None else 'unknown'} · "
+				f"version {verification.version or 'unknown'} · "
+				f"{verification.files_total if verification.files_total is not None else '?'} files"
+			)
+			lines.append(
+				"Last sync changes: "
+				f"downloaded {verification.files_downloaded if verification.files_downloaded is not None else '?'} · "
+				f"deleted {verification.files_deleted if verification.files_deleted is not None else '?'} · "
+				f"created {verification.files_created if verification.files_created is not None else '?'} · "
+				f"quarantined {verification.files_quarantined if verification.files_quarantined is not None else '?'}"
+			)
+		if latest_installation_status is not None:
+			missing = latest_installation_status.missing_files
+			lines.append(
+				"Required files: complete"
+				if not missing
+				else "Required files missing: " + ", ".join(str(path) for path in missing)
+			)
+		return "\n".join(lines) + "\n"
+
+	def update_dashboard_debug_view(*, force: bool = False) -> None:
+		nonlocal last_dashboard_debug_render
+		if (
+			not show_dashboard_debug
+			or dashboard_debug_output is None
+			or not dashboard_debug_output.winfo_exists()
+		):
+			return
+		rendered = dashboard_debug_report()
+		if not force and rendered == last_dashboard_debug_render:
+			return
+		position = dashboard_debug_output.yview()[0]
+		dashboard_debug_output.configure(state="normal")
+		dashboard_debug_output.delete("1.0", "end")
+		dashboard_debug_output.insert("1.0", rendered)
+		dashboard_debug_output.configure(state="disabled")
+		dashboard_debug_output.yview_moveto(position)
+		last_dashboard_debug_render = rendered
+
+	def ensure_dashboard_debug_window() -> None:
+		nonlocal dashboard_debug_window, dashboard_debug_output
+		if dashboard_debug_window is not None and dashboard_debug_window.winfo_exists():
+			return
+		window = tk.Toplevel(root)
+		dashboard_debug_window = window
+		window.title("PristonTale EU — Debug View")
+		window.geometry("900x640")
+		window.minsize(700, 440)
+		window.configure(background="#0c0908")
+		debug_header = tk.Frame(window, background="#24170f", padx=16, pady=12)
+		debug_header.pack(fill="x")
+		tk.Label(
+			debug_header,
+			text="DASHBOARD DEBUG VIEW",
+			background="#24170f",
+			foreground="#f5d18b",
+			font=("Sans", 10, "bold"),
+		).pack(anchor="w")
+		tk.Label(
+			debug_header,
+			text="Read-only live launcher, runtime, client, and trust state",
+			background="#24170f",
+			foreground="#c9baaa",
+			font=("Sans", 9),
+		).pack(anchor="w", pady=(2, 0))
+		body = tk.Frame(window, background="#0c0908")
+		body.pack(fill="both", expand=True, padx=12, pady=12)
+		body.grid_rowconfigure(0, weight=1)
+		body.grid_columnconfigure(0, weight=1)
+		output = tk.Text(
+			body,
+			background="#100d0c",
+			foreground="#ded1c4",
+			insertbackground="#f8fafc",
+			font=("Monospace", 10),
+			wrap="none",
+			state="disabled",
+			padx=12,
+			pady=10,
+			relief="flat",
+		)
+		dashboard_debug_output = output
+		vertical = ttk.Scrollbar(body, orient="vertical", command=output.yview)
+		horizontal = ttk.Scrollbar(body, orient="horizontal", command=output.xview)
+		output.configure(yscrollcommand=vertical.set, xscrollcommand=horizontal.set)
+		output.grid(row=0, column=0, sticky="nsew")
+		vertical.grid(row=0, column=1, sticky="ns")
+		horizontal.grid(row=1, column=0, sticky="ew")
+		window.protocol("WM_DELETE_WINDOW", lambda: set_dashboard_debug(False))
+
+	def set_dashboard_debug(enabled: bool) -> None:
+		nonlocal show_dashboard_debug, last_dashboard_debug_render
+		show_dashboard_debug = enabled
+		last_dashboard_debug_render = ""
+		if enabled:
+			refresh_dashboard_debug_disk_state()
+			ensure_dashboard_debug_window()
+			assert dashboard_debug_window is not None
+			dashboard_debug_window.deiconify()
+			dashboard_debug_window.lift()
+			dashboard_debug_window.focus_set()
+		else:
+			if dashboard_debug_window is not None and dashboard_debug_window.winfo_exists():
+				dashboard_debug_window.withdraw()
 		render_server_status()
+		update_dashboard_debug_view(force=True)
+
+	def toggle_dashboard_debug(_event: object | None = None) -> str:
+		set_dashboard_debug(not show_dashboard_debug)
 		return "break"
 
-	root.bind(
-		SERVER_POPULATION_DEBUG_KEY,
-		toggle_server_population_debug,
+	root.bind_all(
+		DASHBOARD_DEBUG_KEY,
+		toggle_dashboard_debug,
 		add="+",
 	)
 
@@ -2320,7 +2842,7 @@ def run_dashboard(paths: AppPaths) -> None:
 		*,
 		update_activity: bool = True,
 	) -> GameInstallationStatus:
-		nonlocal official_snapshot
+		nonlocal official_snapshot, latest_installation_status
 		if snapshot is not None:
 			official_snapshot = snapshot
 		installation = inspect_game_installation(
@@ -2332,6 +2854,7 @@ def run_dashboard(paths: AppPaths) -> None:
 				else None
 			),
 		)
+		latest_installation_status = installation
 		additional_client_ready = game_clients.running_count > 0 and installation.installed
 		client_activity_text.set(game_client_activity_text(game_clients.running_count))
 		play_button.configure(
@@ -2463,12 +2986,7 @@ def run_dashboard(paths: AppPaths) -> None:
 			events.put(("patches", fetch_patch_notes(paths.patches_cache)))
 
 		def server_status_worker() -> None:
-			try:
-				statuses = fetch_server_status()
-			except ServerStatusError as status_error:
-				events.put(("server_status_error", str(status_error)))
-			else:
-				events.put(("server_status", statuses))
+			events.put(("server_status_check", perform_server_status_check()))
 
 		def version_worker() -> None:
 			try:
@@ -2554,6 +3072,9 @@ def run_dashboard(paths: AppPaths) -> None:
 			refresh_runtime_compatibility(update_activity=returncode == 0)
 		else:
 			refresh_primary_action(update_activity=returncode == 0)
+		if show_dashboard_debug:
+			refresh_dashboard_debug_disk_state()
+			update_dashboard_debug_view(force=True)
 		if returncode != 0:
 			status.set(f"Operation failed (exit {returncode})")
 			progress_text.set("See the activity log for details.")
@@ -2596,6 +3117,14 @@ def run_dashboard(paths: AppPaths) -> None:
 					message = value.get("message")
 					if step > 0 and total > 0 and isinstance(message, str) and message:
 						set_operation_stage(step, total, message)
+				elif (
+					kind == "game_supervisor_started"
+					and isinstance(value, tuple)
+					and len(value) == 2
+					and isinstance(value[0], int)
+					and isinstance(value[1], int)
+				):
+					game_clients.attach_supervisor(value[0], value[1])
 				elif (
 					kind == "game_operation_status"
 					and isinstance(value, tuple)
@@ -2610,6 +3139,12 @@ def run_dashboard(paths: AppPaths) -> None:
 					if step > 0 and total > 0 and isinstance(message, str) and message:
 						set_operation_stage(step, total, message)
 				elif kind == "game_started" and isinstance(value, int):
+					launch_settings = client_launch_settings.get(value)
+					if launch_settings is not None:
+						client_runtime_debug[value] = inspect_runtime_debug(
+							paths,
+							launch_settings,
+						)
 					progress_bar.stop()
 					status.set(f"Game client {value} started; preparing its window…")
 				elif kind == "game_window_ready" and isinstance(value, int):
@@ -2625,6 +3160,8 @@ def run_dashboard(paths: AppPaths) -> None:
 				):
 					client_id, returncode = value
 					phase = game_clients.finish(client_id)
+					client_runtime_debug.pop(client_id, None)
+					client_launch_settings.pop(client_id, None)
 					game_window_active = game_clients.running_count > 0
 					append_log(f"Client {client_id} exited with status {returncode}.")
 					if phase == "starting":
@@ -2645,28 +3182,28 @@ def run_dashboard(paths: AppPaths) -> None:
 							progress_text.set("Click Play to start a new client.")
 							root.deiconify()
 							root.lift()
+					if show_dashboard_debug:
+						refresh_dashboard_debug_disk_state()
 				elif kind == "broadcast":
 					show_broadcast(value if isinstance(value, Broadcast) else None)
 					mark_startup_component_ready(
 						"broadcast",
 						"Broadcast ready",
 					)
-				elif (
-					kind == "server_status"
-					and isinstance(value, tuple)
-					and all(isinstance(item, RealmServerStatus) for item in value)
+				elif kind == "server_status_check" and isinstance(
+					value,
+					ServerStatusCheck,
 				):
 					show_server_status(value)
+					if value.error is not None:
+						append_log(f"Server status check unavailable: {value.error}")
 					mark_startup_component_ready(
 						"server_status",
-						"Server status ready",
-					)
-				elif kind == "server_status_error" and isinstance(value, str):
-					show_server_status(None)
-					append_log(f"Server status check unavailable: {value}")
-					mark_startup_component_ready(
-						"server_status",
-						"Server status check complete",
+						(
+							"Server status ready"
+							if value.error is None
+							else "Server status check complete"
+						),
 					)
 				elif kind == "news" and isinstance(value, tuple):
 					show_news(value)
@@ -2773,6 +3310,8 @@ def run_dashboard(paths: AppPaths) -> None:
 			if speed_text.get() != "0 B/s" and transfer_rate.is_idle():
 				speed_text.set("0 B/s")
 			update_elapsed_indicator()
+		update_server_status_debug_text()
+		update_dashboard_debug_view()
 		poll_delay = (
 			ACTIVE_POLL_INTERVAL_MILLISECONDS
 			if not startup_transition_started
@@ -2853,7 +3392,19 @@ def run_dashboard(paths: AppPaths) -> None:
 					parent=root,
 				)
 				return
+		launch_settings: Settings | None = None
+		runtime_debug: RuntimeDebugInfo | None = None
+		try:
+			loaded_launch_settings = load_settings(paths)
+		except (OSError, ValueError) as settings_error:
+			append_log(f"Could not inspect launch runtime settings: {settings_error}")
+		else:
+			launch_settings = loaded_launch_settings
+			runtime_debug = inspect_runtime_debug(paths, loaded_launch_settings)
 		client_id = game_clients.begin()
+		if runtime_debug is not None and launch_settings is not None:
+			client_runtime_debug[client_id] = runtime_debug
+			client_launch_settings[client_id] = launch_settings
 		active_game_launch_id = client_id
 		run_operation(
 			f"Starting PristonTale EU {realm_value.get()} client {client_id}…",
@@ -3077,6 +3628,9 @@ def run_dashboard(paths: AppPaths) -> None:
 			)
 			status.set("Settings saved. They will be used on the next game launch.")
 			progress_text.set("Open Settings again at any time to adjust the launcher.")
+			if show_dashboard_debug:
+				refresh_dashboard_debug_disk_state()
+				update_dashboard_debug_view(force=True)
 			close_settings()
 
 		display_card = ttk.LabelFrame(
@@ -3224,6 +3778,7 @@ def run_dashboard(paths: AppPaths) -> None:
 		# Closing the window therefore minimizes the dashboard until all clients
 		# and any active launcher operation have finished.
 		if operation_active or game_clients.active_count:
+			set_dashboard_debug(False)
 			root.iconify()
 			return
 		root.destroy()