Initial commit: Data Intelligence Report Generator

- Oracle ERP ROA integration with sales analytics and margin analysis
- Excel multi-sheet reports with conditional formatting
- PDF executive summaries with charts via ReportLab
- Optimized SQL queries (no cartesian products)
- Docker support for cross-platform deployment
- Configurable alert thresholds for business intelligence

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.env.example

@@ -0,0 +1,15 @@
+# Oracle connection settings
+# ----------------------------
+# For Windows native: use 127.0.0.1 or localhost
+# For WSL: use Windows IP (run: cat /etc/resolv.conf | grep nameserver)
+# For Docker: use host.docker.internal (automatic in docker-compose)
+
+ORACLE_HOST=127.0.0.1
+ORACLE_PORT=1521
+ORACLE_SERVICE=XEPDB1
+ORACLE_USER=FIRMA
+ORACLE_PASSWORD=PAROLA
+
+# Output settings
+OUTPUT_DIR=./output
+COMPANY_NAME=Data Intelligence Report