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Changelog

[0.9.0] - 2026-04-10

Added

  • Geometry tools: create_bar_building, create_new_building, import_floorspacejs for model creation from DOE prototypes and FloorSpaceJS JSON
  • Generic object access: get_object_fields, set_object_property, dynamic list_model_objects for any OpenStudio type
  • Measure authoring skill: create_measure, edit_measure, test_measure with ReportingMeasure support
  • Tool routing: search_api (OpenStudio SDK search), recommend_tools, search_wiring_patterns (24 HVAC wiring recipes)
  • HVAC components: FourPipeBeam and CooledBeam air terminals, set_zone_equipment_priority
  • LLM test suite: 170+ tests across 5 tiers with progressive difficulty (L1 vague / L2 moderate / L3 explicit), cross-model benchmark sweeps (sonnet/opus/haiku), CodeMode A/B comparison
  • Concurrent tool regression test: validates MCP responses under concurrent tool calls
  • Stdout purity test: validates no C-level pollution on complex 44-zone models
  • Response-size guardrails: max_results + filters on all list tools, brief mode for large responses
  • Agent guardrails: anti-loop instructions in MCP server, tool-bypass prevention
  • Tags on all 142 tools for ToolSearch discovery
  • Enriched tool descriptions for better LLM tool selection
  • list_weather_files tool, validate_model tool, extract_simulation_errors tool
  • compare_runs tool for two-simulation comparison
  • CI expanded to 5 shards, ~450+ integration tests

Fixed

  • Concurrent tool timeout (issue #42): permanent fd redirect replaces racy global middleware — C stdout goes to stderr once at startup, Python sys.stdout gets private fd to MCP client
  • Polyhedron stdout leak: OpenStudio geometry engine C++ diagnostics no longer corrupt JSON-RPC stream
  • SWIG memory leak warnings fully suppressed across all callsites
  • Measure XML stale checksums causing OS App rejection
  • Choice-type measure argument validation in wrappers
  • JSON-string list params across 9 affected tools (parse_str_list())
  • conditioned_floor_area computed from model instead of hardcoded
  • EUI units now report MJ/m2 + kBtu/ft2 alongside GJ/m2

Changed

  • list_files hardened to /inputs + /runs only
  • change_building_location preferred over set_weather_file (sets EPW+DDY+CZ in one call)
  • Consolidated 4 HVAC validation test files into single test_hvac_validation.py
  • Consolidated integration tests: -8 files, -57 Docker sessions

[0.8.2] - 2026-03-28

Added

  • Tool description enrichment for all 142 tools
  • CodeMode toggle (default off) with LLM harness support

[0.8.0] - 2026-03-13

Added

  • Measure authoring skill with test framework
  • SWIG stdout suppression middleware (replaced in 0.9.0)
  • Phase 10 results tools: extract_simulation_errors, list_output_variables, compare_runs

[0.7.0] - 2026-03-07

Added

  • LLM agent test suite (170+ tests, local-only)
  • Geometry workflows (FloorSpaceJS import, bar building)

[0.6.0] - 2026-02-28

Added

  • Response-size guardrails on all list tools
  • Generic object access (Phase C)

[0.5.0] - 2026-02-21

Added

  • Agent guardrails (anti-loop, tool-bypass prevention)
  • Weather file improvements

[0.4.0] - 2026-02-14

Added

  • Common measures integration (20 measures, 11 wrapper tools)
  • Context reduction (auto-load, brief mode, batch removal)

[0.3.0] - 2026-02-07

Added

  • Initial skills architecture (22 skills, 126 tools)
  • 5-shard CI pipeline
  • OpenStudio SDK 3.11.0 integration