Update requirements.txt

requirements.txt

@@ -1,12 +1,19 @@
-scipy
-statsmodels
-pyarrow
-python
-streamlit
-pandas
-numpy
-prophet
-plotly
-seaborn
-matplotlib
+# ────────── Core ──────────────────
+numpy>=1.26,<1.28       # Py3.10 호환 최상위
+pandas>=2.2,<2.3
+scipy>=1.11,<1.16
+statsmodels>=0.14,<0.15
 
+# ────────── Forecasting ───────────
+prophet==1.1.5          # Py3.10 + cmdstanpy backend
+cmdstanpy>=1.1,<1.2     # prophet 내부 호출
+
+# ────────── App & Viz ─────────────
+streamlit>=1.33,<2.0
+plotly>=5.20,<6.0
+seaborn>=0.13,<0.14
+matplotlib>=3.8,<3.9
+pyarrow>=14.0           # Parquet I/O
+
+# ────────── (Optional) Dev tools ──
+# jupyterlab