chore: remove BMAD framework files and IDE configuration artifacts

Clean up unused BMAD workflow, agent, and command files across all IDE
configurations (.agent, .clinerules, .cursor, .gemini, .github, .kilocode,
.opencode) and internal module files (_bmad/bmb, _bmad/bmm).

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

_bmad-output/implementation-artifacts/sprint-status.yaml

@@ -1,5 +1,5 @@
 # Sprint Status - Entropyk
-# Last Updated: 2026-02-28
+# Last Updated: 2026-03-29 (story 13-4 review fixes complete)
 # Project: Entropyk
 # Project Key: NOKEY
 # Tracking System: file-system
@@ -113,9 +113,9 @@ development_status:
   epic-7: in-progress
   7-1-mass-balance-validation: done
   7-2-energy-balance-validation: done
-  7-3-traceability-metadata: review
+  7-3-traceability-metadata: done
   7-4-debug-verbose-mode: done
-  7-5-json-serialization-deserialization: backlog
+  7-5-json-serialization-deserialization: in-progress
   7-6-component-calibration-parameters-calib: backlog
   7-7-ashrae-140-bestest-validation-post-mvp: backlog
   7-8-inverse-calibration-parameter-estimation: backlog
@@ -179,21 +179,106 @@ development_status:
   12-2-cli-coolprop-backend: done
   12-3-cli-screw-compressor-config: done
   12-4-cli-mchx-condenser-config: done
-  12-5-cli-flooded-evaporator-brine: ready-for-dev
-  12-6-cli-control-constraints: ready-for-dev
-  12-7-cli-output-json-metrics: ready-for-dev
-  12-8-cli-batch-improvements: ready-for-dev
+  12-5-cli-flooded-evaporator-brine: done
+  12-6-cli-control-constraints: done
+  12-7-cli-output-json-metrics: done
+  12-8-cli-batch-improvements: done
   epic-12-retrospective: optional
 
   # Epic 13: Rust API Enhancements
   # Extending SystemBuilder with multi-circuit, constraints, thermal couplings,
   # structured results, JSON config, and fluid backend assignment
   epic-13: in-progress
-  13-1-systembuilder-multi-circuit: ready-for-dev
-  13-2-systembuilder-port-validated-edges: ready-for-dev
-  13-3-systembuilder-constraints-api: ready-for-dev
-  13-4-systembuilder-thermal-couplings: ready-for-dev
+  13-1-systembuilder-multi-circuit: done
+  13-2-systembuilder-port-validated-edges: done
+  13-3-systembuilder-constraints-api: done
+13-4-systembuilder-thermal-couplings: done
   13-5-simulation-result-structured: ready-for-dev
   13-6-json-config-serialize: ready-for-dev
   13-7-fluid-backend-assignment: ready-for-dev
   epic-13-retrospective: optional
+
+  # Epic 14: Free Cooling & Advanced Pump Control
+  # Native free cooling simulation with automatic mode switching, pump sequencing, and energy optimization
+  # See: _bmad-output/planning-artifacts/epic-12-free-cooling-pump-control.md
+  epic-14: in-progress
+  14-1-freecoolingexchanger-component: in-progress
+  14-2-automatic-mode-switching-logic: backlog
+  14-3-pumpcontroller-optimal-sequencing: backlog
+  14-4-variable-frequency-drive-vfd-optimization: backlog
+  14-5-bypass-valve-control: backlog
+  14-6-safety-interlocks-protection: backlog
+  14-7-control-configuration-serialization: backlog
+  14-8-python-api-advanced-control: backlog
+  epic-14-retrospective: optional
+
+  # Epic 15: CLI — Complete Component Coverage
+  # Every Rust component must be usable from JSON config
+  # See: _bmad-output/implementation-artifacts/15-*
+  epic-15: in-progress
+  15-1-cli-real-compressor: done
+  15-2-cli-real-expansion-valve: done
+  15-3-cli-real-pump: done
+  15-4-cli-bphx-exchangers: review
+  15-5-cli-flooded-condenser: backlog
+  15-6-cli-drum: backlog
+  15-7-cli-economizer: backlog
+  15-8-cli-flow-splitter-merger: backlog
+  15-9-cli-boundary-conditions: done
+  15-10-cli-real-pipe: backlog
+  15-11-cli-real-fan: backlog
+  15-12-cli-bypass-valve: backlog
+  15-13-cli-node-probe: backlog
+  epic-15-retrospective: optional
+
+  # Epic 16: CLI — Features & Output
+  # Calibration, structured output, multi-fluid, vendors, templates, sweep
+  # See: _bmad-output/implementation-artifacts/16-*
+  epic-16: backlog
+  16-1-cli-calib-config: backlog
+  16-2-cli-structured-output: backlog
+  16-3-cli-multi-fluid: backlog
+  16-4-cli-vendor-import: backlog
+  16-5-cli-json-schema: backlog
+  16-6-cli-machine-templates: backlog
+  16-7-cli-parameter-sweep: backlog
+  epic-16-retrospective: optional
+
+  # Epic 17: Python Bindings — Complete Component & Feature Parity
+  # Expose all Rust components and features to Python via PyO3
+  # See: _bmad-output/implementation-artifacts/17-*
+  epic-17: backlog
+  17-1-python-fix-pump: backlog
+  17-2-python-fix-fan: backlog
+  17-3-python-screw-compressor: backlog
+  17-4-python-mchx-condenser: backlog
+  17-5-python-flooded-hx: backlog
+  17-6-python-bphx-exchangers: backlog
+  17-7-python-drum: backlog
+  17-8-python-boundary-conditions: backlog
+  17-9-python-multi-circuit: backlog
+  17-10-python-calib-results: backlog
+  17-11-python-bypass-coils: backlog
+  17-12-python-vendor-parsers: backlog
+  17-13-python-macro-snapshot: backlog
+  epic-17-retrospective: optional
+
+  # Epic 18: WebAssembly — Full Component Coverage
+  # Make WASM bindings usable for JS/TS frontend development
+  # See: _bmad-output/implementation-artifacts/18-*
+  epic-18: backlog
+  18-1-wasm-finalize-compilation: backlog
+  18-2-wasm-all-components: backlog
+  18-3-wasm-multi-circuit: backlog
+  18-4-wasm-calib-results: backlog
+  18-5-wasm-vendor-data: backlog
+  epic-18-retrospective: optional
+
+  # Epic 19: Calibration & Validation
+  # Inverse calibration, Eurovent reporting, ASHRAE validation
+  # See: _bmad-output/implementation-artifacts/19-*
+  epic-19: backlog
+  19-1-inverse-calibration: backlog
+  19-2-eurovent-reporting: backlog
+  19-3-ashrae-bestest: backlog
+  epic-19-retrospective: optional