fugue-ppl 0.2.2

Monadic PPL with numerically stable inference and comprehensive diagnostics.
Documentation 
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name: CI

on:
  pull_request:
    branches: [main]
  push:
    branches: [main]

jobs:
  ci:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: . -> target

      - name: Format (check)
        run: cargo fmt --all -- --check

      - name: Clippy (deny warnings)
        run: cargo clippy --all-targets --all-features -- -D warnings

      - name: Unit + integration tests
        run: cargo test --all-features

      - name: Doctests (rustdoc)
        run: cargo test --doc

      # Temporarily disabled until mdBook doctest dependency issues are resolved
      # - name: Install mdBook + plugins
      # run: |
      #   cargo install mdbook mdbook-linkcheck mdbook-admonish mdbook-mermaid || true
      # - name: mdBook tests (docs/)
      #   if: hashFiles('docs/**/*.md') != ''
      #   run: mdbook test docs

  wasm:
    name: WASM (fugue-wasm)
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4

      - name: Setup Rust (wasm32 target)
        uses: dtolnay/rust-toolchain@stable
        with:
          targets: wasm32-unknown-unknown

      - name: Install wasm-pack
        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: . -> target
          key: wasm

      - name: Check WASM crate compiles for wasm32
        run: cargo check -p fugue-wasm --target wasm32-unknown-unknown

      - name: Native tests (DSL + interpreter)
        run: cargo test -p fugue-wasm

      - name: WASM boundary tests (Node)
        run: wasm-pack test --node crates/fugue-wasm

      - name: Build WASM package
        run: wasm-pack build crates/fugue-wasm --target web --release

  msrv:
    name: MSRV (1.87.0)
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4

      # Pins the exact toolchain `rust-version = "1.87"` in Cargo.toml claims
      # (finding FG-51). If this drifts above what the crate actually needs,
      # bump both together.
      - name: Setup Rust 1.87.0 (MSRV)
        uses: dtolnay/rust-toolchain@1.87.0

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: . -> target
          key: msrv-1.87.0

      - name: Scope the manifest to the published library
        run: |
          # MSRV is a claim about the *published library* (`[dependencies]`),
          # not about maintainer tooling in `[dev-dependencies]` (mdbook + its
          # plugins, criterion, proptest, ...): those crates have their own,
          # higher MSRV floors and are never pulled in by a downstream
          # `cargo add fugue-ppl`. This is an ephemeral CI checkout, so
          # truncating the manifest at `[dev-dependencies]` here commits
          # nothing back and only scopes *this* check to what actually ships.
          sed -i '/^\[dev-dependencies\]/,$d' Cargo.toml
          # Same reasoning for crates/fugue-wasm: it is an unpublished
          # bindings crate (wasm-bindgen tooling has its own MSRV floor) and
          # is never part of a downstream `cargo add fugue-ppl`. Drop it from
          # the workspace so its dependency graph doesn't enter resolution.
          sed -i 's#, "crates/fugue-wasm"##' Cargo.toml
          # The committed Cargo.lock may be a newer lock-file format than an
          # older cargo/rustc pair can parse; regenerating against the
          # trimmed manifest above is required (and sufficient -- verified
          # locally: `[dependencies]` resolves and builds cleanly on
          # rustc 1.87.0 with no other changes, and `cargo clippy
          # --all-targets --all-features` with `rust-version = "1.87"` finds
          # zero `incompatible_msrv` diagnostics anywhere in the crate).
          rm -f Cargo.lock

      - name: cargo check --lib (rustc 1.87.0)
        run: cargo check --lib