docs(tools): describe MIT-default license boundary

bin/validate

@@ -962,6 +962,7 @@ while IFS= read -r community_file; do
 done < <(jq -r '.files[].source' "${community_health_config}")
 
 profile_readme=${root}/community-health/profile/README.md
+# shellcheck disable=SC2016 # Markdown code markers are intentionally literal.
 for required_text in \
   '# Atrinik' \
   'Atrinik is an open-source cooperative fantasy role-playing world' \
@@ -970,6 +971,9 @@ for required_text in \
   'They do not yet form a complete game release.' \
   'Game content and' \
   'media remain separately licensed' \
+  '[Tools](https://github.com/atrinik/tools)' \
+  'is MIT by default with a GPL-2.0-or-later `map-checker-qt/` exception; historical' \
+  'tools tags and releases remain under the terms that applied when published' \
   'historical MIT provenance registry' \
   'exact, independently separable' \
   'copy it, migrate or port it, translate or adapt it, or' \

community-health/profile/README.md

@@ -11,7 +11,9 @@ implementation is being developed with Go, Rust, and Protobuf foundations.
 They do not yet form a complete game release. Game content and
 media remain separately licensed under the terms in their source repositories.
 
-Classic and [tools](https://github.com/atrinik/tools) remain GPL as distributed.
+Classic remains GPL as distributed. [Tools](https://github.com/atrinik/tools)
+is MIT by default with a GPL-2.0-or-later `map-checker-qt/` exception; historical
+tools tags and releases remain under the terms that applied when published.
 Under the
 [historical MIT provenance registry](https://github.com/atrinik/atrinik/blob/main/docs/PROVENANCE.md),
 an MIT destination may inspect exact, independently separable material as

tests/validate-community-health.sh

@@ -34,6 +34,18 @@ sed -i 's/GPL-licensed/GPL-compatible/' "${profile}"
 assert_invalid 'an organization profile without the Classic license boundary'
 reset_repository
 
+sed -i 's/MIT by default/MIT-only/' "${profile}"
+assert_invalid 'an organization profile without the tools mixed-license boundary'
+reset_repository
+
+# shellcheck disable=SC2016 # Markdown code markers are intentionally literal.
+sed -i \
+  's/GPL-2.0-or-later `map-checker-qt\/` exception/GPL-2.0-or-later `wrong-checker\/` exception/' \
+  "${profile}"
+printf '\nUnrelated replacement tracker: map-checker-qt/.\n' >>"${profile}"
+assert_invalid 'an organization profile without the tools path-scoped exception'
+reset_repository
+
 jq 'del(.files[] | select(.target == "profile/README.md"))' \
   "${temporary}/repository/config/community-health.json" \
   >"${temporary}/community-health.json"