Langent v3: Security hardening, logging, testing, and CI/CD

.dockerignore

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+__pycache__
+*.pyc
+.git
+.github
+data/
+*.egg-info
+dist/
+build/
+.env
+node_modules
+.mypy_cache
+.ruff_cache
+.pytest_cache
+QUALITY_REPORT.md

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Install ruff
+        run: pip install ruff
+      - name: Lint
+        run: ruff check langent/ tests/
+
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          pip install -e ".[dev]"
+      - name: Run tests
+        run: pytest tests/ -v --tb=short

Dockerfile

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+FROM python:3.11-slim
+
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY pyproject.toml README.md ./
+COPY langent/ langent/
+RUN pip install --no-cache-dir -e .
+
+# Copy config and visualizer
+COPY config/ config/
+COPY langent/visualizer/ langent/visualizer/
+
+# Create data directory
+RUN mkdir -p /app/data
+
+EXPOSE 8000
+
+ENV LANGENT_WORKSPACE=/app/workspace
+ENV CHROMA_DB_PATH=/app/data/chroma_db
+
+CMD ["langent", "serve", "--host", "0.0.0.0", "--port", "8000"]