Initial commit: LinkSyncServer and LinkSyncExtension projects with complete documentation, models, API endpoints, tests, and extension implementation

LinkSyncServer/Dockerfile

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+# LinkSyncServer Dockerfile
+FROM python:3.12-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1 \
+    PYTHONPATH=/app
+
+# Install dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create app directory
+WORKDIR /app
+
+# Copy requirements and install
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY . .
+
+# Expose port
+EXPOSE 5000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+    CMD curl -f http://localhost:5000/health || exit 1
+
+# Run application
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "5000"]