Publish Chimera GFX source

docs/retroarch/phase-1.0dw-exact-package-readback.md

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+# Phase 1.0DW/DX exact package readback
+
+The exact 109,904-byte observer has SHA-256
+`b41763f9261b838be2f83b0ee1c7b9bb5e07ced856e5638e3357de37e4405394`.
+It reads only the stable, no-follow, exactly 18,153,472-byte local `app.pkg`.
+The inactive DX runner accepts success only when the received bytes hash to
+`dbcdd4dbc6303fc7a94aa0e8bb3e2c7de1d8b5770c6a30cf1ce50bc6e373aa7e`.
+It creates an exclusive consumed receipt and output. No device action is
+authorized.