feat(aircoding): AirCoding V2 baseline — deterministic multi-agent architecture

Forked from OpenCode v1.17.4 with multi-agent system:
- 5 agents: aircoding, scheduler, worker, architect, reviewer
- Deterministic DAG scheduling engine (coordinator_tick)
- Tool whitelists as hard enforcement
- AirCoding validation plugin
- V1 requirements: C4 docs, ADR, AGENTS.md, debug-log.md
- Design documents in docs/

packages/containers/rust/Dockerfile

@@ -0,0 +1,13 @@
+ARG REGISTRY=ghcr.io/anomalyco
+FROM ${REGISTRY}/build/bun-node:24.04
+
+ARG RUST_TOOLCHAIN=stable
+
+ENV CARGO_HOME=/opt/cargo
+ENV RUSTUP_HOME=/opt/rustup
+ENV PATH=/opt/cargo/bin:/opt/bun/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+RUN set -euo pipefail; \
+  curl -fsSL https://sh.rustup.rs | sh -s -- -y --profile minimal --default-toolchain "${RUST_TOOLCHAIN}"; \
+  rustc --version; \
+  cargo --version