023 scoped patterns

// Test 621: Scoped Pattern Matching
// Validates that unqualified patterns match local events by name
// Pattern ~file.* should match both file.read and file.write in current scope

const std = @import("std");

~import "$std/taps"

~event file.read {}
| done {}

~event file.write {}
| done {}

~event logger {}

~proc file.read {
    std.debug.print("Reading file\n", .{});
    return .{ .done = .{} };
}

~proc file.write {
    std.debug.print("Writing file\n", .{});
    return .{ .done = .{} };
}

~proc logger {
    std.debug.print("File operation observed!\n", .{});
}

// Scoped pattern - matches BOTH local file.* events
~tap(file.* -> *)
| Transition |> logger()

~file.read()
| done |> file.write()
    | done |> _