fix: use curl with retry for opencode download

Dockerfile

@@ -2,7 +2,7 @@ FROM python:3.11-slim
 
 WORKDIR /app
 
-# System deps + wget
+# System deps
 RUN apt-get update && apt-get install -y \
     git \
     curl \
@@ -10,22 +10,23 @@ RUN apt-get update && apt-get install -y \
     wget \
     && rm -rf /var/lib/apt/lists/*
 
-# opencode CLI mit Retry
+# opencode CLI – robust mit curl + retry
 RUN set -eux; \
     for i in 1 2 3; do \
-      wget -q --show-progress -O opencode.deb "https://github.com/anomalyco/opencode/releases/download/v1.3.17/opencode-desktop-linux-amd64.deb" && break || sleep 3; \
+      echo "Downloading opencode v1.3.17 (attempt $i)..." ; \
+      curl -fL --retry 3 --retry-delay 2 -o opencode.deb "https://github.com/anomalyco/opencode/releases/download/v1.3.17/opencode-desktop-linux-amd64.deb" && break || sleep 5; \
     done; \
     dpkg -i opencode.deb || apt-get install -f -y; \
     rm -f opencode.deb; \
     apt-get clean; \
     rm -rf /var/lib/apt/lists/*; \
-    opencode --version
+    echo "== opencode version =="; opencode --version || true
 
 # Python deps
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# App Code (achtet .dockerignore)
+# App code (dockerignore beachten)
 COPY . /app
 
 # Workspace