chore: clean up temporary log files, test images, and cache

feat: add live training dashboard

fix: stabilize CPU training runtime

feat: enforce held-out benchmark workflow

feat: add model quality workflow gate

fix: harden Hugging Face deployment

fix: align test_ab_ui_pipeline.py with single return value of process_image

fix: resolve Windows cp1252 terminal encoding in test_all.py with 100% pass rate

docs: complete 100% bug backlog audit and update handover.md

feat: add master system verification test suite test_all.py with 100% pass rate and exit code 0

feat: complete Phase 6 Stage II Transformer fine-tuning setup and verification with exit code 0

feat: verify Phase 7 A/B Model & Preset Pipeline with exit code 0

feat: verify Phase 4 Dataset Expansion & Game Character Mixing with exit code 0

feat: verify Phase 3 ArcFace Identity Loss integration with exit code 0

docs: update handover.md with Phase 5 empirical benchmark verification results

docs: add Rule 12 & Rule 13 to AGENTS.md enforcing strict plan compliance and zero-bug empirical verification

feat: add 20 specialized project skills for image quality enhancement and CPU performance

feat: add Rule 11 (Mandatory Git Push), DirectML/OpenVINO EP ONNX, 1-Click Presets, Organ-Based Toggles, AI Quality Score & Multi-Scale Adaptive Sharpening

docs: update handover log with Tasks 17, 18, 19 accomplishments

refactor: redesign Streamlit app to a clean, minimal Apple-style studio UI

fix: resolve Hugging Face Spaces Docker build error and add .dockerignore

feat: add Reinhard Auto Skin Tone Alignment for seamless face color matching

feat: integrate Wink Quality Engine, skin grain retention, eye/lip sparkle, and update Obsidian vault

perf: implement lightweight pipeline optimizations and lazy memory release

fix: remove build-time network downloads from Dockerfile to ensure 100% Hugging Face Spaces build success

feat: add 3 additional operational skills (building data apps, dependency management, data loss prevention)

docs: update handover.md and add dynamic fallback verification to quantize_onnx_static.py

feat: add 3 additional engineering skills (git workflow, automated testing, dataset engineering)

feat: add 3 advanced AI/ML/CV & LLM agent skills (computer vision, deep learning architecture, llm agent architecture)

feat: add 5 production software engineering agent skills (spec-driven, debugging, quality, profiling, security)

feat: add production-grade AI agent skills for CPU optimization, CodeFormer tuning, and Streamlit threading

fix: remove static quantization from Dockerfile build and add fail-safe ONNX loader

docs: update handover.md with Task 15 details

feat(model): integrate ArcFace identity loss into CodeFormer training pipeline (Phase 3)

fix(hf): integrate Static INT8 ONNX build into Dockerfile and fix thread state guard in app.py

fix: add gc.collect() in train.py to prevent memory leak during long CPU runs

feat: implement static INT8 ONNX quantization tool & UI model engine selector

fix: resolve all 9 codebase bugs (B1-B9) & add Rule 9 to AGENTS.md

fix: train_custom.py never writes to original yml — use temp file to prevent total_iter corruption

docs: update handover Task 13 — Phase 1 complete, Phase 2 training started

feat: add sequential model improvement roadmap (Phase 1 complete — yml config fixes)

fix: prevent infinite thread spawn when image is uploaded (polling loop guard)

fix: resolve B11 (offline setuptools wheel build via base64 encoding and Dockerfile update) and finalize Task 11 bug fixes

fix: patch B2, B6, B10, B12 (ONNX tiling upscaler, start_time guard, cache split screen comparison, list css style)

fix: patch B3 and B4 (ONNX mutex lock and async batch processing queue)

docs: update bug backlog status in handover.md to reflect fixed tasks (B1, B5, B7, B8, B9)

fix: patch B1, B5, B7, B8, B9 (state guards, dead callback, face size tuple, dashboard loss, esc key)

docs: add Task 11 full bug audit backlog with 12 bugs and fix guidance to handover.md

fix: disable CORS and XsrfProtection on streamlit run command to resolve Axios 403 error on hugging face upload

docs: mark Task 10 as completed in handover.md with final applied changes