Implement native iodine client and fix RA heartbeat URL resolution.

Bundle iodine 0.7.0 with JNI TUN bridge; apply BE iodine credentials on connect; canonical heartbeat URL fallback.

Co-authored-by: Cursor <cursoragent@cursor.com>

third-party/iodine/.github/workflows/freebsd.yml

@@ -0,0 +1,28 @@
+name: freebsd
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+    contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: make
+      uses: vmactions/freebsd-vm@v1.2.0
+      with:
+        prepare: |
+          pkg install -y \
+            devel/check \
+            devel/git \
+            devel/pkgconf
+        run: |
+          make
+          make test

third-party/iodine/.github/workflows/macos.yml

@@ -0,0 +1,24 @@
+name: macos
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+    contents: read
+
+jobs:
+  build:
+
+    runs-on: macos-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: make
+      run: make
+    - name: install check
+      run: brew install check
+    - name: run tests
+      run: make test

third-party/iodine/.github/workflows/openbsd.yml

@@ -0,0 +1,28 @@
+name: openbsd
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+    contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: make
+      uses: vmactions/openbsd-vm@v1.1.8
+      with:
+        prepare: |
+          pkg_add \
+            check \
+            git \
+            pkgconf
+        run: |
+          make
+          make test

third-party/iodine/.github/workflows/ubuntu.yml

@@ -0,0 +1,36 @@
+name: ubuntu
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+    contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: make
+      run: make
+    - name: install check
+      run: sudo apt install check
+    - name: run tests
+      run: make test
+
+  build-android:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: nttld/setup-ndk@v1
+      with:
+        ndk-version: r21e
+    - name: make
+      run: make cross-android

third-party/iodine/.github/workflows/windows.yml

@@ -0,0 +1,28 @@
+name: windows
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+permissions:
+    contents: read
+
+jobs:
+  build:
+
+    runs-on: windows-latest
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    steps:
+    - uses: actions/checkout@v4
+    - uses: msys2/setup-msys2@v2
+      with:
+        msystem: MINGW64
+        update: false
+        install: git make mingw-w64-x86_64-toolchain mingw-w64-x86_64-zlib
+    - name: make
+      run: make TARGETOS=windows32