Publish Chimera GFX source

docs/retroarch/phase-1.0bl-fixture-import-failure-and-new-gate.md

@@ -0,0 +1,16 @@
+# Phase 1.0BL: fixture import failure and new one-shot gate
+
+Status: `BK_CONSUMED_BEFORE_FIXTURES_CORRECTED_RUNNER_AUTHORIZED_ONCE`
+
+Date: 2026-07-29
+
+The single BK suite attempt exited with code 1 while importing the first local
+`tools` module. Python reported `ModuleNotFoundError: No module named 'tools'`.
+The failure occurred before `main`, before construction of the facade and
+before any of the four fixture processes. BK is consumed and is not retried.
+
+The runner now inserts its repository root in `sys.path`; its exact corrected
+source and commit are bound below. BL grants one new suite attempt against the
+same four BK fixtures. This is a new reviewed host-only permission, not an
+automatic retry. No materializer request, SDL/RetroArch build, artifact or PS5
+action is authorized.