ci: isolate web snapshots to consumer lane

.github/workflows/ci.yml

@@ -457,17 +457,9 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-node-${{ env.PRIMARY_NODE_VERSION }}-pnpm-
 
-      - uses: actions/cache@v4
-        with:
-          path: ~/.cache/ms-playwright
-          key: ${{ runner.os }}-playwright-${{ hashFiles('pnpm-lock.yaml') }}
-
       - name: Install (immutable)
         run: pnpm install --frozen-lockfile
 
-      - name: Install Playwright Chromium
-        run: pnpm --filter @deepseek-ai/dsh-frontend exec playwright install --with-deps chromium
-
       - name: Prepare bubblewrap (unrestrict userns)
         run: bash scripts/prepare-ci-bubblewrap.sh
 
@@ -482,11 +474,6 @@ jobs:
           DSH_SNAPSHOT_MAX_CONCURRENCY: '1'
         run: pnpm run check:ci
 
-      - name: Compare web browser snapshots
-        env:
-          DSH_SNAPSHOT: replay
-        run: pnpm run test:web:built
-
   # Hot-standby drill for the in-house self-hosted pool: every master move
   # re-runs the complete unsharded aggregate on the persistent 64-core VM,
   # continuously proving that environment can take over a required lane if
@@ -527,9 +514,6 @@ jobs:
       - name: Install (immutable)
         run: pnpm install --frozen-lockfile
 
-      - name: Install Playwright Chromium
-        run: pnpm --filter @deepseek-ai/dsh-frontend exec playwright install --with-deps chromium
-
       - name: Prepare bubblewrap (unrestrict userns)
         run: bash scripts/prepare-ci-bubblewrap.sh
 
@@ -544,11 +528,6 @@ jobs:
           DSH_SNAPSHOT_MAX_CONCURRENCY: '1'
         run: pnpm run check:ci
 
-      - name: Compare web browser snapshots
-        env:
-          DSH_SNAPSHOT: replay
-        run: pnpm run test:web:built
-
   serial-macos:
     if: github.event_name == 'push' && github.ref == 'refs/heads/master'
     name: serial / macos