fix(ios): report async pool exhaustion as busy

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packages/zig/src/bridge_mobile_permissions.zigmodified+3-6

Changes to packages/zig/src/bridge_mobile_permissions.zig

		⋯541 linesShow the 541 lines above this hunk@@ -542,7 +542,7 @@ pub const PermissionsBridge = struct {
542	542	"openSettings: no free reply slot; {d} native calls are already awaiting one",
543	543	.{ios_async.max_in_flight},
544	544	);
545		- return bridge_error.BridgeError.NativeCallFailed;
	545	+ return bridge_error.BridgeError.Busy;
546	546	};
547	547	errdefer ios_async.abandon(ticket);
548	548	publishSettingsCall(ticket);
		⋯15 linesShow the 15 lines above this hunk@@ -564,13 +564,10 @@ pub const PermissionsBridge = struct {
564	564	}
565	565	};
566	566
567		-/// The answer for a full block pool. `BridgeError` has no "Busy";
568		-/// INVALID_PARAMETER is the designated stand-in from the migration notes,
569		-/// and the point is that the sixteen-plus-first concurrent prompt gets an
570		-/// explicit rejection instead of a promise that never settles.
	567	+/// Reject a call when every asynchronous reply slot is already in use.
571	568	fn poolFull() bridge_error.BridgeError {
572	569	std.log.warn("permission request refused: all {d} async slots in flight", .{ios_async.max_in_flight});
573		- return bridge_error.BridgeError.InvalidParameter;
	570	+ return bridge_error.BridgeError.Busy;
574	571	}
575	572
576	573	// =============================================================================

packages/zig/src/bridge_mobile_siri.zigmodified+1-1

Changes to packages/zig/src/bridge_mobile_siri.zig

		⋯171 linesShow the 171 lines above this hunk@@ -172,7 +172,7 @@ pub const SiriBridge = struct {
172	172	"awaiting one",
173	173	.{ios_async.max_in_flight},
174	174	);
175		- return BridgeError.NativeCallFailed;
	175	+ return BridgeError.Busy;
176	176	};
177	177	errdefer ios_async.abandon(ticket);
178	178

packages/zig/src/bridge_mobile_vision.zigmodified+1-1

Changes to packages/zig/src/bridge_mobile_vision.zig

		⋯190 linesShow the 190 lines above this hunk@@ -191,7 +191,7 @@ pub const VisionBridge = struct {
191	191	"{s}: no free reply slot; {d} native calls are already awaiting one",
192	192	.{ kind.action(), ios_async.max_in_flight },
193	193	);
194		- return BridgeError.NativeCallFailed;
	194	+ return BridgeError.Busy;
195	195	};
196	196
197	197	work.* = .{ .handler = handler, .request = request, .kind = kind, .ticket = ticket };

packages/zig/src/bridge_mobile_watch.zigmodified+1-1

Changes to packages/zig/src/bridge_mobile_watch.zig

		⋯317 linesShow the 317 lines above this hunk@@ -318,7 +318,7 @@ pub const WatchBridge = struct {
318	318	"sendToWatch: no free reply slot; {d} native calls are already awaiting one",
319	319	.{ios_async.max_in_flight},
320	320	);
321		- return bridge_error.BridgeError.NativeCallFailed;
	321	+ return bridge_error.BridgeError.Busy;
322	322	};
323	323	errdefer ios_async.abandon(ticket);
324	324	publishWatchCall(ticket);