fix: spaCy 3.8.13, remove pip cache purge conflict with PIP_NO_CACHE_DIR

- Enable spaCy 3.8.13 (3.8.14 was not on PyPI)
- Remove `pip cache purge` — conflicts with PIP_NO_CACHE_DIR=1
- Model en_core_web_sm auto-downloads at runtime

Co-Authored-By: RuFlo <ruv@ruv.net>

Dockerfile

@@ -14,11 +14,9 @@ RUN apt-get update \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt ./
-# Pin pip for reproducible builds: --upgrade pip==25.x
 RUN pip install --upgrade pip \
     && pip install -r requirements.txt \
-    && pip install pytest \
-    && pip cache purge
+    && pip install pytest
 
 RUN python -m playwright install --with-deps chromium
 

requirements.txt

@@ -16,7 +16,7 @@ clean-text==0.7.1
 unidecode==1.4.0
 torch==2.11.0
 transformers==4.57.6
-spacy==3.8.14
+spacy==3.8.13
 av>=14.0
 elevenlabs==2.44.0
 yt-dlp==2026.3.17