Publish Chimera GFX source

docs/retroarch/phase-1.0cp-build-output-limit-correction-gate.md

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+# Phase 1.0CP: build output-limit correction gate
+
+Status: `NATIVE_ROOT_CLEAN_BUILD_OUTPUT_LIMIT_SOURCE_CORRECTION_ALLOWED`
+
+Date: 2026-07-30
+
+CO cleanup succeeded. CP permits only changing the SDL build merged-output
+limit from 65,536 to 1,048,576 bytes. The configure and build timeouts, argv,
+target and all scopes remain unchanged. No invocation is authorized.