ci: update validate job

.github/workflows/main.yaml

@@ -10,45 +10,6 @@ on:
 # no need to bother caching bun deps
 # https://github.com/oven-sh/setup-bun/issues/14#issuecomment-1714116221
 jobs:
-  changed-files:
-    runs-on: ubuntu-latest
-    outputs:
-      any_ts_changed: ${{ steps.changed-files.outputs.any_changed }}
-    steps:
-      - uses: actions/checkout@v4
-      - uses: tj-actions/changed-files@v44
-        id: changed-files
-        with:
-          files: |
-            {src,test}/**/*.ts
-            package.json
-            tsconfig.json
-
-  _test:
-    needs: changed-files
-    if: needs.changed-files.outputs.any_ts_changed == 'true'
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: oven-sh/setup-bun@v1
-      - run: bun install
-      - run: bun test --coverage --coverage-reporter lcov --coverage-dir .
-      - name: Coveralls
-        uses: coverallsapp/github-action@v2.3.0
-        with:
-          format: lcov
-          file: lcov.info
-
-  test:
-    needs: _test
-    # workaround for https://github.com/orgs/community/discussions/13690
-    # https://stackoverflow.com/a/77066140/9771158
-    if: ${{ !(failure() || cancelled()) }}
-    runs-on: ubuntu-latest
-    steps:
-      - name: Tests OK (passed or skipped)
-        run: exit 0
-
   validate:
     runs-on: ubuntu-latest
     steps:
@@ -59,7 +20,8 @@ jobs:
         run: |
           bun concurrently \
             -c auto \
-            -n format,lint,typecheck \
+            -n format,lint,typecheck,build \
             'bun dprint check' \
             'bun biome check --config-path=.biome.jsonc .' \
-            'bun tsc'
+            'bun tsc' \
+            'cd web && bun vite build'