WhiteTowerAI/ohmygame 发布 OhMyGame v0.0.0-beta.4.6

## What's Changed * fix(canvas): only let resizable nodes store a fixed size by @dihuangdh in https://github.com/WhiteTowerAI/ohmygame/pull/197 * feat(canvas): size media nodes from recorded dimensions by @dihuangdh in https://github.com/WhiteTowerAI/ohmygame/pull/198 * fix(updater): prevent Windows installer conflicts during updates by @82228 in https://github.com/WhiteTowerAI/ohmygame/pull/200 * fix(media): name generated images by their actual format by @dihuangdh in https://github.com/WhiteTowerAI/ohmygame/pull/201 * fix(agent): bound image history and optimize OpenAI requests by @dogxii in https://github.com/WhiteTowerAI/ohmygame/pull/203 * fix(models): use model-specific image reference defaults by @dogxii in https://github.com/WhiteTowerAI/ohmygame/pull/204 * feat(plugins): add persistent AI plugin builder workspace by @dogxii in https://github.com/WhiteTowerAI/ohmygame/pull/205 * fix(canvas): center reference removal icons by @dogxii in https://github.com/WhiteTowerAI/ohmygame/pull/206 * fix(projects): show activity on recent project cards by @dogxii in https://github.com/WhiteTowerAI/ohmygame/pull/207 * fix(composer): number repeated attachment names instead of refusing them by @dihuangdh in https://github.com/WhiteTowerAI/ohmygame/pull/199 **Full Changelog**: https://github.com/WhiteTowerAI/ohmygame/compare/v0.0.0-beta.4.5...v0.0.0-beta.4.6