feat: Add Document Crawler & Auto-Onboarding service (Phase 1.4)

New standalone Python/FastAPI service for automatic compliance document
scanning, LLM-based classification, IPFS archival, and gap analysis.
Includes extractors (PDF, DOCX, XLSX, PPTX), keyword fallback classifier,
compliance matrix, and full REST API on port 8098.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

document-crawler/Dockerfile

@@ -0,0 +1,37 @@
+# Document Crawler - Auto-Onboarding Service
+FROM python:3.11-slim
+
+LABEL maintainer="BreakPilot <dev@breakpilot.app>"
+LABEL description="Document Crawler & Auto-Onboarding Service"
+
+WORKDIR /app
+
+# Install curl for healthcheck and system dependencies for document extraction
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Python dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application
+COPY . .
+
+# Environment variables
+ENV PORT=8098
+ENV DATABASE_URL=postgresql://breakpilot:breakpilot123@bp-core-postgres:5432/breakpilot_db
+ENV LLM_GATEWAY_URL=http://ai-compliance-sdk:8090
+ENV DSMS_GATEWAY_URL=http://dsms-gateway:8082
+ENV CRAWL_BASE_PATH=/data/crawl
+ENV MAX_FILE_SIZE_MB=50
+
+# Expose port
+EXPOSE 8098
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
+  CMD curl -f http://localhost:8098/health || exit 1
+
+# Run application
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8098"]