Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Security module (security.py) with path traversal protection and command injection prevention
Centralized configuration (config.py) with environment variable support
.env.example for environment variable documentation
Path validation for all file operations (drawing_open, drawing_save, drawing_export_*)
Command sanitization for system_run_command and system_run_lisp
Ruff linting configuration in pyproject.toml
Pre-commit hooks (.pre-commit-config.yaml) for automated code quality
pytest-cov for test coverage reporting
Comprehensive test suite: 95 tests across 7 test files
- test_entity_creation.py — 13 entity creation tests
- test_drawing.py — 8 drawing operation tests
- test_dimensions.py — 5 dimension tests
- test_layer_block.py — 12 layer and block tests
- test_analysis.py — 12 analysis and modification tests
- test_security.py — 29 security tests
GitHub Actions CI workflow (lint + test on Python 3.11/3.12)
README.md with full documentation
CHANGELOG.md
.gitignore

_detect_autocad_running now logs detection failures instead of silently swallowing them
Resource functions now log errors before returning error JSON

Initial release with 67 tools, 6 resources, 5 prompt templates
Dual-engine architecture: COM backend (live AutoCAD) + ezdxf backend (headless)
FastMCP 3.0 server with middleware stack (error handling, audit, timing, logging)
Drawing management: new, open, save, save-as, export DXF/PDF, purge, audit, undo/redo
Entity creation: line, circle, arc, polyline, rectangle, text, mtext, hatch, spline, ellipse, point, block reference
Dimensions: linear, aligned, angular, radius, diameter
Entity modification: move, copy, rotate, scale, mirror, offset, delete, rectangular/polar array
Layer management: create, delete, set current, modify, freeze/thaw, lock/unlock, hide/show, isolate
Block operations: list, insert, explode, attributes, create from entities, find references
Analysis: entity stats, region search, distance/area measurement, bounding box, select by layer/type
View control: zoom extents/window, screenshot
Transaction support: begin, commit, rollback
System tools: status, variables, command execution, AutoLISP evaluation
5 prompt templates: floor plan, P&ID, electrical schematic, mechanical drawing, quick drawing