UN-4286 [FEAT] Add the v1 plugin manifest, slots and build check

.gitignore

@@ -641,10 +641,10 @@ workers/pluggable_worker/*
 # FE Plugins
 frontend/src/plugins/*
 frontend/public/llm-whisperer/
-# v1 cloud plugins are copied in at build time; only the placeholder manifest
-# is public.
+# v1 plugins come from the cloud overlay; only the placeholder and the loader are OSS.
 frontend/src/v1/plugins/*
-!frontend/src/v1/plugins/manifest.ts
+!frontend/src/v1/plugins/.gitkeep
+!frontend/src/v1/plugins/index.ts
 
 
 # TODO: Ensure its made generic to abstract subfolder and file names

docker/dockerfiles/frontend.Dockerfile

@@ -24,6 +24,12 @@ COPY ${BUILD_CONTEXT_PATH}/ /app/
 COPY ${BUILD_CONTEXT_PATH}/generate-runtime-config.sh /app/generate-runtime-config.sh
 RUN chmod +x /app/generate-runtime-config.sh
 
+# VITE_DISTRIBUTION: as in the builder stage below. The dev server reads it
+# from the environment when it starts, so the dev-live image of a cloud or
+# on-prem overlay needs it here too.
+ARG VITE_DISTRIBUTION=""
+ENV VITE_DISTRIBUTION=${VITE_DISTRIBUTION}
+
 # Set dev server to run on port 80 to match production nginx
 ENV PORT=80
 EXPOSE 80
@@ -52,10 +58,9 @@ COPY ${BUILD_CONTEXT_PATH}/ .
 # VITE_V1_DEV_ROUTES: "true" only for the E2E image (ci-test.yaml); registers
 # the v1 demo pages that prove the version switch and honours the v1 preview
 # override. Release builds leave it empty.
-# VITE_DISTRIBUTION: oss (default when empty), cloud or onprem; the
-# v1 route registry ignores pages the distribution lacks. The same name as
-# P0-T07's plugin manifest (UN-4286). The cloud and on-prem builds do not set
-# it yet, so every image builds as oss until P0-T07 wires them.
+# VITE_DISTRIBUTION: oss (default when empty), cloud or onprem. It picks the
+# v1 plugins the build offers (P0-T07) and the pages the v1 route registry
+# keeps; the cloud workflows set it. See frontend/src/v1/README.md.
 ARG VITE_V1_DEV_ROUTES=""
 ARG VITE_DISTRIBUTION=""
 

frontend/package.json

@@ -85,7 +85,7 @@
     "tokens:v1": "bun scripts/build-v1-tokens.mjs",
     "typecheck:v1": "node scripts/check-v1.mjs --files && tsc -p src/v1/tsconfig.json",
     "lint:v1": "biome lint --error-on-warnings src/v1/ && node scripts/check-v1.mjs --code && node scripts/check-v1-styles.mjs && node scripts/check-v1-icons.mjs",
-    "test:v1": "vitest run --config vitest.v1.config.mts --coverage && vitest run --config vitest.v1-plugins.config.mts --coverage && node --test test-fixtures/v1-boundary/boundary.fixtures.mjs test-fixtures/v1-harness/harness.fixtures.mjs test-fixtures/v1-unit-gate/unit-gate.fixtures.mjs",
+    "test:v1": "vitest run --config vitest.v1.config.mts --coverage && vitest run --config vitest.v1-plugins.config.mts --coverage && node --test test-fixtures/v1-boundary/boundary.fixtures.mjs test-fixtures/v1-harness/harness.fixtures.mjs test-fixtures/v1-unit-gate/unit-gate.fixtures.mjs scripts/v1-plugins.fixtures.mjs",
     "seam:v1": "node scripts/check-v1-seam.mjs --base origin/main",
     "separation:v1": "node scripts/check-v1-separation.mjs",
     "bundle:v1": "node scripts/check-v1-bundle.mjs"
@@ -120,6 +120,7 @@
     "autoprefixer": "^10.5.4",
     "axe-core": "4.14.0",
     "baseline-browser-mapping": "^2.9.19",
+    "esbuild": "^0.27.0",
     "happy-dom": "^20.10.2",
     "msw": "2.15.0",
     "postcss": "^8.5.23",