Add Phase 5 cross-adapter verification suite (PR 18)

.github/workflows/test.yml

@@ -77,6 +77,10 @@ jobs:
       - name: Run Axum adapter tests
         run: cargo test-axum
 
+      - name: Run HTML processor benchmarks (smoke)
+        # -- --test runs each benchmark as a regular test (no timing harness) so CI stays fast
+        run: cargo bench -p trusted-server-core --bench html_processor_bench -- --test
+
       - name: Verify Fastly WASM release build
         env:
           TRUSTED_SERVER__PUBLISHER__ORIGIN_URL: http://127.0.0.1:8080
@@ -112,6 +116,30 @@ jobs:
       - name: Run Cloudflare adapter tests (native host)
         run: cargo test-cloudflare
 
+  test-parity:
+    name: cargo test (cross-adapter parity)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Retrieve Rust version
+        id: rust-version
+        run: echo "rust-version=$(grep '^rust ' .tool-versions | awk '{print $2}')" >> $GITHUB_OUTPUT
+        shell: bash
+
+      - name: Set up Rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: ${{ steps.rust-version.outputs.rust-version }}
+          components: clippy
+          cache-shared-key: cargo-${{ runner.os }}
+
+      - name: Run cross-adapter parity tests
+        run: cargo test --manifest-path crates/integration-tests/Cargo.toml --test parity
+
+      - name: Clippy (parity test crate)
+        run: cargo clippy --manifest-path crates/integration-tests/Cargo.toml --all-targets -- -D warnings
+
   test-typescript:
     name: vitest
     runs-on: ubuntu-latest