chore(lighting): remove committed render evidence

.gitattributes

@@ -6,7 +6,6 @@ tools/package-release.sh export-ignore
 # These inputs are byte-sensitive and must not be rewritten by Windows Git.
 /contracts/content-v1/** text eol=lf
 /maps/** text eol=lf
-/maps/light-source-evidence/*.png binary
 /prototypes/authored-syntax-v1/** text eol=lf
 /schemas/authored-content-v1/** text eol=lf
 /schemas/content-core-v1/** text eol=lf

README.md

@@ -76,7 +76,7 @@ python3 tools/world_content_audit.py all > build/world-content-audit.json
 ```
 
 Pass `quests`, `regions`, `artifacts`, `world`, or `lights` for a focused report.
-The checked light-source baseline and its rendered review workflow are
+The checked semantic light-source baseline and review workflow are
 documented in [`docs/LIGHT_SOURCE_AUDIT.md`](docs/LIGHT_SOURCE_AUDIT.md). The
 audit emits deterministic JSON and never modifies authored content. It is a
 review aid, not a replacement for `tools/validate.py` or the typed catalog.

docs/ARCHITECTURE.md

@@ -51,8 +51,8 @@ documented in [`CONTENT_CORE.md`](CONTENT_CORE.md).
 Generated runtime files are outputs, never authored sources. Exploratory reports
 from `tools/world_content_audit.py` are review artifacts, not another identity or
 grammar authority. Its map and archetype traversal uses the common core. The
-checked light-source review baseline records art-direction dispositions and
-render evidence, while effective fields remain authored runtime data; see
+checked light-source review baseline records semantic digests and art-direction
+dispositions, while effective fields remain authored runtime data; see
 [`LIGHT_SOURCE_AUDIT.md`](LIGHT_SOURCE_AUDIT.md). A new
 loader, writer, checker, collector, or analyzer must use the existing catalog,
 lossless core, and versioned contract boundaries instead of introducing a