Add full shell, replaceable Omics adapter and bilingual interaction

Implement approved specification #32 and tickets #33-#37. Keep host authentication server-verified and pin session interaction language. Compile scoped base selectors for browser compatibility and retain full gutters during CSS pruning.

docker/smoke/frontend-smoke.sh

@@ -1,6 +1,26 @@
 #!/bin/sh
 set -eu
 
-test "$(cat /usr/share/nginx/html/config.js)" = 'window.__THOTHII_CONFIG__ = {};'
+# The generic image contains an empty fallback; installed containers mount the generated
+# public projection over it. An optional path lets host projection tests use this same check.
+config_file=${1:-/usr/share/nginx/html/config.js}
+test -f "$config_file" && test -r "$config_file"
+config=$(tr -d '[:space:]' < "$config_file")
+case "$config" in
+  'window.__THOTHII_CONFIG__={};')
+    test -z "${THT_FRONTEND_CONFIG_REVISION:-}"
+    ;;
+  *)
+    # Installation Load validates BCP47 syntax. Here check only the public payload shape;
+    # catalog availability and fallback belong to the frontend, not the generic image.
+    locale='[A-Za-z][A-Za-z0-9]*(-[A-Za-z0-9]+)*'
+    full="\"mode\":\"full\",\"defaultLocale\":\"$locale\""
+    embedded="\"mode\":\"embedded\",\"defaultLocale\":\"$locale\",\"adapter\":\"omics-portal\""
+    if ! printf '%s\n' "$config" | LC_ALL=C grep -Eq "^window\.__THOTHII_CONFIG__=\{\"backendBaseUrl\":\"/api\",\"shell\":\{($full|$embedded)\}\};$"; then
+      echo "Invalid frontend public runtime configuration" >&2
+      exit 1
+    fi
+    ;;
+esac
 
 printf '%s\n' "frontend runtime config smoke: ok"