Reworked launcher updates to use the big button.

ptlinux/install_status.py

@@ -24,6 +24,8 @@ class PrimaryAction(str, Enum):
 	INSTALL = "INSTALL"
 	UPDATE = "UPDATE"
 	PLAY = "PLAY"
+	CHECKING = "CHECKING…"
+	LAUNCHER_UPDATE = "UPDATE LAUNCHER"
 
 
 @dataclass(frozen=True)
@@ -40,8 +42,10 @@ class GameInstallationStatus:
 def inspect_game_installation(
 	paths: AppPaths,
 	official_build: int | None = None,
+	*,
+	compatibility_ready: bool | None = True,
 ) -> GameInstallationStatus:
-	"""Select Install, Update, or Play without modifying the installation.
+	"""Select the primary launcher action without modifying the installation.
 
 	A completed native sync is the verified source for the local depot build.
 	When the official build cannot be checked, a complete local game remains
@@ -54,6 +58,8 @@ def inspect_game_installation(
 		or official_build < 0
 	):
 		raise ValueError("official build must be a non-negative integer")
+	if compatibility_ready is not None and not isinstance(compatibility_ready, bool):
+		raise ValueError("compatibility readiness must be a boolean or null")
 
 	missing_files = tuple(
 		relative
@@ -68,6 +74,10 @@ def inspect_game_installation(
 		local_build is None or local_build < official_build
 	):
 		action = PrimaryAction.UPDATE
+	elif compatibility_ready is None:
+		action = PrimaryAction.CHECKING
+	elif not compatibility_ready:
+		action = PrimaryAction.LAUNCHER_UPDATE
 	else:
 		action = PrimaryAction.PLAY
 	return GameInstallationStatus(