chore(main): release 1.4.0

[github-actions]

🤖 I have created a release beep boop

1.4.0 (2026-05-10)

🚀 Features

• blender: implement high-performance mesh inertia integrator using NumPy vectorization (0c815ee)
• core: harden xacro eval sandbox against dunder escapes (7def4d8)
• core: implement abstract resource resolver (#166) (b746e40)
• core: implement structural XACRO caching for optimized robot assembly (a1dc8af)
• core: modular validation registry and targeted checks (#167) (efe67ba)
• hybrid RobotAssembly API (The Composer) (d7947a3)
• Implement srdf generator (2019465)
• implement SRDF intermediate representation (960ac48)
• implement SRDF XML parser with XACRO support (8235793)
• introduce sliver triangle detection and structured validation architecture (4e7264d)
• parsers: add xacro console logging and custom ROS package paths (#179) (cb09062)
• ROS XACRO Parity and Blender 5.x (Python 3.13) Support (#198) (7bfbd57)

🐞 Bug Fixes

• blender test stability (a4cfcd8)
• blender: sensor visibility and live physics gizmo updates (777fb1d)
• ci: exclude flaky monorepo.tools from link checker and canonicalize redirects (8f623ad)
• synchronize LinkForge names with Blender object names (c844a3a)
• urdf: handle out-of-order elements in iterative parser (869182a)
• xacro: enhance spec compliance and hardening (010eeec)

📚 Documentation

• add ADR-001 for monorepo structure decision (#163) (2300f25)
• add julianmueller as a contributor for test, and review (aac782f)
• add lionelfung7 as a contributor for bug (#199) (5e48eaf)
• add peci1 as a contributor for bug (3f2b0ad)
• add peci1 as a contributor for ideas (be038b1)
• add Python API reference and SRDF documentation (e2f1b51)
• add Vision 2030 "Universal Connector" section to VISION.md (af96a80)
• clarify support for both comma and os path separators (630e6ac)
• establish "LLVM for Robotics" vision and strategic roadmap (f912115)
• exclude flaky academic URL from link checker (894d66f)
• formalize .lf standard and consolidate strategic technical roadmap (082bb02)
• refine README, contributing guidelines and fix citation metadata (46216d5)
• synchronize and standardize core and blender docstrings (b06805e)
• update issue assignment policies in CONTRIBUTING.md (bd8e315)
• update readme file (381040b)
• update v1.3.0 roadmap status and CITATION.cff release date (#168) (ab1ba5b)

⚡ Performance Updates

• optimize collision quality slider with BMesh and true debounce (db6b0c3)

🛠️ Refactors

• core: implement shared RobotXMLGenerator engine (#186) (0e7646e)
• core: modularize xacro parser dispatch logic (d18193d)
• core: refactor URDFParser engine (b417148)
• extract heavy scene calculations from export_panel.py draw loop (#182) (6a5ecb8)
• finalize blender platform stability and test (d3abbf3)
• harden core model encapsulation and stabilize naming utilities (b4fea84)
• harden mesh inertia calculations with strict validation and topology checks (e009352)
• harden physics inertia pipeline and blender platform API architecture (d1faba2)
• hardened core architecture and comprehensive test stabilisation (9da8efa)
• migrate to structured error handling with ValidationErrorCode and absolute Import Normalization (2b4c909)
• modernize core architecture and normalize XML generation (06eda1d)
• physics: enhance mesh inertia robustness and numerical stability (d7d6de9)
• physics: harden mesh topology validation and inertia pipeline (b511d6a)
• physics: harden mesh topology validation and inertia pipeline (0927906)
• physics: mesh topology validation (5787c52)
• rename RobotAssembly to RobotBuilder and enhance programmatic API (b8d1a05)
• unify Blender architecture and optimize scene traversal (#183) (a777a8e)

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