perf: reduce snapshot rendering time and memory usage - #129

You have commit messages with errors ⧗ input: perf: reduce snapshot rendering time and memory usage - Composite glyph pixels directly to avoid per-sample canvas traversal - Render and encode PNGs in strips without allocating a full canvas - Reuse prepared text and repeated background and shadow rows ✖ type may not be empty [type-empty] ⚠ scope may not be empty [scope-empty] ✖ found 1 problems, 1 warnings ⓘ Get help: https://github.com/conventional-changelog/commitlint/#what-is-commitlint