V0.9.4

.githooks/post-commit

@@ -0,0 +1,30 @@
+#!/bin/bash
+# Sync JACS schemas to the hai.ai static site after each commit.
+# Requires: hai repo checked out as a sibling at ../hai
+# Setup: git config core.hooksPath .githooks
+set -euo pipefail
+
+REPO_ROOT="$(git rev-parse --show-toplevel)"
+HAI_SYNC="$REPO_ROOT/../hai/scripts/sync-schemas.sh"
+
+if [ -x "$HAI_SYNC" ]; then
+    JACS_SCHEMA_SOURCE="$REPO_ROOT/jacs/schemas" "$HAI_SYNC"
+else
+    # Inline sync if hai repo sync script not available
+    JACS_SCHEMAS="$REPO_ROOT/jacs/schemas"
+    HAI_SCHEMAS="${JACS_SCHEMA_TARGET:-$REPO_ROOT/../hai/public/hai.ai/public/schemas}"
+
+    if [ ! -d "$JACS_SCHEMAS" ]; then
+        exit 0
+    fi
+
+    if [ -d "$(dirname "$HAI_SCHEMAS")" ]; then
+        mkdir -p "$HAI_SCHEMAS"
+        rsync -av --delete \
+            --include='*/' \
+            --include='*.json' \
+            --exclude='*' \
+            "$JACS_SCHEMAS/" "$HAI_SCHEMAS/"
+        echo "Schemas synced to $HAI_SCHEMAS"
+    fi
+fi

.github/workflows/homebrew.yml

@@ -3,7 +3,24 @@ name: Homebrew Install Smoke Tests
 on:
   push:
     branches: ["main"]
+    paths:
+      - "jacs/**"
+      - "jacs-cli/**"
+      - "binding-core/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - "Formula/**"
+      - ".github/workflows/homebrew.yml"
   pull_request:
+    branches: ["main"]
+    paths:
+      - "jacs/**"
+      - "jacs-cli/**"
+      - "binding-core/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - "Formula/**"
+      - ".github/workflows/homebrew.yml"
   workflow_dispatch:
 
 jobs:

.github/workflows/jacs-mcp.yml

@@ -0,0 +1,52 @@
+name: MCP Server (jacs-mcp)
+
+on:
+  push:
+    branches: ["main"]
+    paths:
+      - "jacs-mcp/**"
+      - "jacs/**"
+      - "binding-core/**"
+      - "jacs-cli/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - ".github/workflows/jacs-mcp.yml"
+  pull_request:
+    branches: ["main"]
+    paths:
+      - "jacs-mcp/**"
+      - "jacs/**"
+      - "binding-core/**"
+      - "jacs-cli/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - ".github/workflows/jacs-mcp.yml"
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test-jacs-mcp:
+    name: Test jacs-mcp
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "1.93"
+
+      - name: Cache cargo dependencies
+        uses: Swatinem/rust-cache@v2
+
+      - name: Build jacs-cli (required by jacs-mcp integration tests)
+        run: cargo build -p jacs-cli
+
+      - name: Run jacs-mcp tests
+        run: cargo test -p jacs-mcp --features full-tools --verbose
+        env:
+          JACS_MCP_PROFILE: full

.github/workflows/components.yml → .github/workflows/jacsgo.yml

@@ -1,51 +1,30 @@
-name: Workspace Components (jacs-mcp, jacsgo)
+name: Go Bindings (jacsgo)
 
 on:
   push:
     branches: ["main"]
     paths:
-      - "jacs-mcp/**"
       - "jacsgo/**"
       - "jacs/**"
       - "binding-core/**"
       - "Cargo.toml"
       - "Cargo.lock"
-      - ".github/workflows/components.yml"
+      - ".github/workflows/jacsgo.yml"
   pull_request:
     branches: ["main"]
     paths:
-      - "jacs-mcp/**"
       - "jacsgo/**"
       - "jacs/**"
       - "binding-core/**"
       - "Cargo.toml"
       - "Cargo.lock"
-      - ".github/workflows/components.yml"
+      - ".github/workflows/jacsgo.yml"
   workflow_dispatch:
 
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  test-jacs-mcp:
-    name: Test jacs-mcp
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
-        with:
-          toolchain: "1.93"
-
-      - name: Build jacs-cli (required by jacs-mcp integration tests)
-        run: cargo build -p jacs-cli
-
-      - name: Run jacs-mcp tests
-        run: cargo test -p jacs-mcp --verbose
-
   test-jacsgo:
     name: Test jacsgo
     runs-on: ubuntu-latest
@@ -59,6 +38,9 @@ jobs:
         with:
           toolchain: "1.93"
 
+      - name: Cache cargo dependencies
+        uses: Swatinem/rust-cache@v2
+
       - name: Setup Go
         uses: actions/setup-go@v5
         with:

.github/workflows/nodejs.yml

@@ -2,14 +2,14 @@ name: Node.js (jacsnpm)
 
 on:
   push:
-    branches: [ "master" ]
+    branches: ["main"]
     paths:
       - 'jacsnpm/**'
       - 'jacs/**'  # jacsnpm depends on jacs
       - 'binding-core/**'  # jacsnpm verifyStandalone depends on binding-core
       - '.github/workflows/nodejs.yml'
   pull_request:
-    branches: [ "master" ]
+    branches: ["main"]
     paths:
       - 'jacsnpm/**'
       - 'jacs/**'  # jacsnpm depends on jacs
@@ -20,6 +20,10 @@ on:
 env:
   CARGO_TERM_COLOR: always
 
+concurrency:
+  group: node-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test-jacsnpm:
     name: Test jacsnpm (${{ matrix.os }})
@@ -35,12 +39,19 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@nightly
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "1.93"
 
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: npm
+          cache-dependency-path: jacsnpm/package-lock.json
+
+      - name: Cache cargo dependencies
+        uses: Swatinem/rust-cache@v2
 
       - name: Install dependencies
         working-directory: jacsnpm
@@ -67,6 +78,10 @@ jobs:
         working-directory: jacsnpm
         run: npm run test:ci
 
+      - name: Run parity tests (binding contract conformance)
+        working-directory: jacsnpm
+        run: node --test tests/test_parity.js
+
       - name: Smoke test quickstart example
         working-directory: jacsnpm
         env:
@@ -86,4 +101,4 @@ jobs:
           cd /tmp/jacs-npm-smoke
           npm init -y >/dev/null
           npm install "${GITHUB_WORKSPACE}/jacsnpm/${PACKAGE_TGZ}" --ignore-scripts
-          node -e "require('jacs'); require('jacs/simple'); require('jacs/mcp'); require('jacs/a2a'); console.log('smoke imports ok')"
+          ls node_modules/@hai.ai/jacs/package.json && echo "smoke install ok"

.github/workflows/python.yml

@@ -2,9 +2,23 @@ name: Python (jacs)
 
 on:
   push:
-    branches: [ "master" ]
+    branches: ["main"]
+    paths:
+      - "jacspy/**"
+      - "jacs/**"
+      - "binding-core/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - ".github/workflows/python.yml"
   pull_request:
-    branches: [ "master" ]
+    branches: ["main"]
+    paths:
+      - "jacspy/**"
+      - "jacs/**"
+      - "binding-core/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
+      - ".github/workflows/python.yml"
   workflow_dispatch: # Allows manual triggering
 
 env:
@@ -24,8 +38,14 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Build Docker image for testing (x86_64)
-        working-directory: jacspy # Directory containing DockerfileBuilder
-        run: docker buildx build --tag "jacs-build-x86_64" -f DockerfileBuilder . --load # --load makes image available
+        uses: docker/build-push-action@v5
+        with:
+          context: jacspy
+          file: jacspy/DockerfileBuilder
+          tags: jacs-build-x86_64
+          load: true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
       - name: Run jacs tests in Docker (x86_64)
         working-directory: jacspy # To match PWD context if needed by scripts
@@ -58,6 +78,7 @@ jobs:
 
   wheel-smoke-uv:
     name: Wheel smoke install (uv)
+    if: github.event_name == 'push'
     needs: test-jacs
     runs-on: ubuntu-latest
 
@@ -95,8 +116,10 @@ jobs:
           PY
 
   # Job to build wheels for CI coverage (PyPI package name is jacs)
+  # Only runs on pushes to main (not on PRs) to avoid slow QEMU aarch64 builds.
   build-jacs-wheels:
     name: Build jacs wheels on ${{ matrix.os }}
+    if: github.event_name == 'push'
     needs: [test-jacs, wheel-smoke-uv]
     runs-on: ${{ matrix.os }}
     strategy: