ci(workflows): add CI and tag-based CD validation

Author: DevMac

.github/workflows/cd.yml

@@ -0,0 +1,25 @@
+name: CD
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - 'v*'
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: npm
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - run: npm ci
+      - run: npm test
+      - run: npm run build
+      - run: python -m pip install --upgrade pip
+      - run: pip install -e '.[dev]' || pip install -r requirements.txt
+      - run: pytest -q
+      - run: echo "CD ready: artefato validado em tag/manual trigger"

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+on:
+  push:
+  pull_request:
+jobs:
+  node:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          cache: npm
+      - run: npm ci
+      - run: npm test
+      - run: npm run build
+  python:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+      - run: python -m pip install --upgrade pip
+      - run: pip install -e '.[dev]' || pip install -r requirements.txt
+      - run: pytest -q