logfire client for zig

fix: explicit cast for string attribute serialization

slices pointing to internal _string_storage need explicit cast to
[]const u8 for std.json.Stringify to serialize them as strings
rather than byte arrays.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

+2 -1
+2 -1
src/exporter.zig
··· 612 612 switch (attr.value) { 613 613 .string => |s| { 614 614 try jw.objectField("stringValue"); 615 - try jw.write(s); 615 + // explicit cast needed for slices pointing to internal storage 616 + try jw.write(@as([]const u8, s)); 616 617 }, 617 618 .int => |i| { 618 619 try jw.objectField("intValue");