Sync from GitHub Actions

Sync from GitHub Actions

fix(hybrid): 차트에 역사 데이터(실측값) 표시 안 되는 문제 수정

fix(ui): fallback to euc-kr encoding when reading MS Excel CSV files to fix korean rendering

fix(ui): frontend chart and table now display confidence intervals (yhat_lower, yhat_upper)

style(hybrid): 옵션 영역 레이아웃 3열 그리드로 재설계

fix(hybrid): 주기 감지 실패 시 "주기 감지 중..." 상태 유지 버그 수정

feat(hybrid): 예측 기간 입력을 슬라이더에서 숫자+단위 선택으로 개선

feat: add prediction result table to timesfm UI

feat: add context_len (최근 N개 학습) option to timesfm UI

fix: status polling startsWith error, add TimesFM nav link to all HTML pages

fix: AI interpret response check, remove 95% CI option, serialize dict to JSON for Claude prompt

feat: add timesfm.html UI

Claude AI에서 Claude 삭제

feat(hybrid): Add data polarity option and Excel export functionality

feat: add hybrid llm link to navigation menu across all frontend pages

fix: escape models_used in status bar to close remaining XSS vector

fix: address code quality issues in hybrid.html

fix: correct element IDs and slider type in hybrid.html per spec

feat: add hybrid.html with ensemble chart, donut weights, and LLM analysis card

Add a copyright phrase

Add models:LightGBM,Theta, ETS

fix: change upload icon

fix: adding reset button

Creating a new common data profiling model, etc.

Add ARIMA/SARIMA models

Add Prophet, XGBoost models

first commit