AGGRESSIVE CACHE INVALIDATION: Force HF Spaces rebuild - Updated timestamps to 08:50 UTC - Added unique ENV BUILD_ID to Dockerfile - Enhanced server.py BUILD VERSION comment - Multiple trigger mechanisms to bypass HF Spaces aggressive caching - Build trigger attempt #3

Dockerfile

@@ -24,7 +24,9 @@ RUN pip install --no-cache-dir -r requirements_hf_spaces.txt
 # Clone and install fairseq-signals
 RUN git clone https://github.com/Jwoo5/fairseq-signals.git && cd fairseq-signals && pip install --editable ./ && python setup.py build_ext --inplace && cd ..
 
-# Copy application files (updated 2025-08-25 08:45 UTC - Build trigger attempt #2)
+# Copy application files (updated 2025-08-25 08:50 UTC - AGGRESSIVE CACHE INVALIDATION)
+# Build trigger attempt #3 - HF Spaces cache issue detected
+ENV BUILD_ID="$(date +%s)_$(echo $RANDOM)"
 COPY . .
 
 # Switch to app user

server.py

@@ -2,7 +2,7 @@
 """
 ECG-FM API Server with fairseq-signals Integration
 Fixed import logic to prioritize fairseq_signals installation
-BUILD VERSION: 2025-08-25 08:45 UTC - Import fix deployed
+BUILD VERSION: 2025-08-25 08:50 UTC - AGGRESSIVE CACHE INVALIDATION - Import fix deployed - HF Spaces cache issue detected
 """
 
 import os