feat(modules): add harness-tester module for Rust fuzzing pipeline

fuzzforge-modules/harness-tester/Dockerfile

@@ -0,0 +1,26 @@
+FROM localhost/fuzzforge-modules-sdk:0.1.0
+
+# Module metadata is now read from pyproject.toml [tool.fuzzforge.module] section
+
+# Install build tools and Rust nightly for compiling and testing fuzz harnesses
+RUN apt-get update && apt-get install -y \
+    curl \
+    build-essential \
+    pkg-config \
+    libssl-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain nightly
+ENV PATH="/root/.cargo/bin:${PATH}"
+
+# Install cargo-fuzz for testing harnesses
+RUN cargo install cargo-fuzz --locked || true
+
+COPY ./src /app/src
+COPY ./pyproject.toml /app/pyproject.toml
+COPY ./README.md /app/README.md
+
+# Remove workspace reference since we're using wheels
+RUN sed -i '/\[tool\.uv\.sources\]/,/^$/d' /app/pyproject.toml
+
+RUN uv sync --find-links /wheels