Add GitHub Actions workflow for AI/ML API

Introduces a CI workflow to test the aimlapi integration across multiple OS and Python versions. The workflow includes linting, documentation generation, coverage tests, dependency checks, and nightly tests with the Haystack main branch, as well as failure reporting to Datadog.

Author: D1m7asis

.github/workflows/aimlapi.yml

@@ -0,0 +1,84 @@
+# This workflow comes from https://github.com/ofek/hatch-mypyc
+# https://github.com/ofek/hatch-mypyc/blob/5a198c0ba8660494d02716cfc9d79ce4adfb1442/.github/workflows/test.yml
+name: Test / aimlapi
+
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  pull_request:
+    paths:
+      - "integrations/aimlapi/**"
+      - "!integrations/aimlapi/*.md"
+      - ".github/workflows/aimlapi.yml"
+
+defaults:
+  run:
+    working-directory: integrations/aimlapi
+
+concurrency:
+  group: aimlapi-${{ github.head_ref }}
+  cancel-in-progress: true
+
+env:
+  PYTHONUNBUFFERED: "1"
+  FORCE_COLOR: "1"
+  AIMLAPI_API_KEY: ${{ secrets.AIMLAPI_API_KEY }}
+
+jobs:
+  run:
+    name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        python-version: ["3.9", "3.13"]
+
+    steps:
+      - name: Support longpaths
+        if: matrix.os == 'windows-latest'
+        working-directory: .
+        run: git config --system core.longpaths true
+
+      - uses: actions/checkout@v5
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v6
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Hatch
+        run: pip install --upgrade hatch
+
+      - name: Lint
+        if: matrix.python-version == '3.9' && runner.os == 'Linux'
+        run: hatch run fmt-check && hatch run test:types
+
+      - name: Generate docs
+        if: matrix.python-version == '3.9' && runner.os == 'Linux'
+        run: hatch run docs
+
+      - name: Run tests
+        run: hatch run test:cov-retry
+
+      - name: Run unit tests with lowest direct dependencies
+        run: |
+          hatch run uv pip compile pyproject.toml --resolution lowest-direct --output-file requirements_lowest_direct.txt
+          hatch run uv pip install -r requirements_lowest_direct.txt
+          hatch run test:unit
+
+      # Since this integration inherits from OpenAIChatGenerator, we run ALL tests with Haystack main branch to catch regressions
+      - name: Nightly - run tests with Haystack main branch
+        if: github.event_name == 'schedule'
+        run: |
+          hatch env prune
+          hatch run uv pip install git+https://github.com/deepset-ai/haystack.git@main
+          hatch run test:all
+
+      - name: Send event to Datadog for nightly failures
+        if: failure() && github.event_name == 'schedule'
+        uses: ./.github/actions/send_failure
+        with:
+          title: |
+            Core integrations nightly tests failure: ${{ github.workflow }}
+          api-key: ${{ secrets.CORE_DATADOG_API_KEY }}