fix(pid): pid as pinned git dep (no runtime clone/pip); parent-preload PiD; sync studio views/gallery/button fixes

Bundle: UI (Generate-up/collapsed/bigger style) + model preload + AoT off-by-default + PiD 4x upscale button

Diffu Studio ZeroGPU Space: app.py + vendored packages + aokit AoT + redesigned panel