SuYao 76ee67d4d7 fix: prevent OOM when handling large base64 image data (#12244) ... * fix: prevent OOM when handling large base64 image data - Add memory-safe parseDataUrl utility using string operations instead of regex - Truncate large base64 data in ErrorBlock detail modal to prevent freezing - Update ImageViewer, FileStorage, messageConverter to use shared parseDataUrl - Deprecate parseDataUrlMediaType in favor of shared utility - Add GB support to formatFileSize - Add comprehensive unit tests for parseDataUrl (18 tests) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> * refactor: simplify parseDataUrl API to return DataUrlParts | null - Change return type from discriminated union to simple nullable type - Update all call sites to use optional chaining (?.) - Update tests to use toBeNull() for failure cases - More idiomatic and consistent with codebase patterns (e.g., parseJSON) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com> --------- Co-authored-by: Claude <noreply@anthropic.com>		2026-01-06 00:34:14 +08:00
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utils.test.ts	fix: prevent OOM when handling large base64 image data (#12244)	2026-01-06 00:34:14 +08:00