feat(desktop): compiled React Desktop 2.0 v0.2.1 renderer update (#787)
* fix(desktop): expose explicit backup capabilities
* fix(desktop): align titlebar controls with native metrics
* release(desktop): prepare portable v0.2.1
* build(desktop): rebuild compiled dist from source 4a67226
Rebuild the compiled-only React Desktop 2.0 renderer from abraxas914/GenericAgent
main @4a67226, carrying the v0.2.1 iterations that PR #784 was closed to await:
live turn-timer persistence across session switch, Mixin image-to-path fallback,
folder drag-drop, per-turn duration, and image-thumbnail repair.
- dist/**: regenerated 98 manifest assets + entry HTML
- build-provenance.json: sourceCommit -> 4a67226, manifest sha256 recomputed
- verify-compiled-dist.mjs: expectedSourceCommit -> 4a67226
- dist/README.md: provenance source commit updated
- desktop_bridge.py, test_bridge_origin_security.py: synced to 4a67226
- core (agentmain.py, llmcore*, src/**, public/**) remains zero-diff vs upstream
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Co-authored-by: abraxas914 <abraxas345589144233@outlook.com>
