POC: make Delta Kernel core target-safe for browser WASM

.github/workflows/wasm-browser.yml

@@ -0,0 +1,51 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0.
+
+name: Browser WASM
+
+on:
+  push:
+    branches:
+      - poc/wasm32-browser-stack
+  workflow_dispatch:
+
+jobs:
+  minimal-toolchain:
+    name: No native compiler
+    runs-on: ubuntu-latest
+    container:
+      image: debian:bookworm-slim
+    env:
+      CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER: ${{ github.workspace }}/ci/compiler-free-linker.sh
+    steps:
+      - name: Install transport tools
+        run: |
+          apt-get update
+          apt-get install --yes --no-install-recommends ca-certificates curl git libc6-dev libgcc-12-dev lld
+          rm -rf /var/lib/apt/lists/*
+      - uses: actions/checkout@v6
+      - name: Install Rust and wasm32
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs |
+            sh -s -- -y --profile minimal --default-toolchain 1.91.0
+          "$HOME/.cargo/bin/rustup" target add wasm32-unknown-unknown
+          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
+      - name: Verify minimal toolchain
+        run: |
+          test -z "${RUSTFLAGS:-}"
+          for tool in cc gcc clang c++ g++ cmake; do
+            if command -v "$tool"; then
+              echo "unexpected native build tool: $tool" >&2
+              exit 1
+            fi
+          done
+          command -v ld.lld
+          test -x "$CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_LINKER"
+      - name: Check prefetched browser engine
+        run: |
+          cargo check --manifest-path kernel/wasm-check/Cargo.toml \
+            --target wasm32-unknown-unknown --locked
+          kernel/wasm-check/check-dependencies.sh