ROOT FIX: Dockerfile patches agent.py models + llm_params at build time via sed

Dockerfile

@@ -1,19 +1,17 @@
-# CACHE_BUST=20260514_v3
-# Clone and build from smolagents/ml-intern source
+# CACHE_BUST=20260514_v5_ROOTFIX
 FROM node:20-alpine AS frontend-builder
 RUN apk add --no-cache git
 RUN git clone --depth 1 https://huggingface.co/spaces/smolagents/ml-intern /source
 WORKDIR /source/frontend
 RUN npm install && npm run build
 
-# Stage 2: Production
 FROM python:3.12-slim
 COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /bin/
 RUN useradd -m -u 1000 user
 WORKDIR /app
 RUN apt-get update && apt-get install -y --no-install-recommends git curl && rm -rf /var/lib/apt/lists/*
 
-# Clone source code
+# Clone source
 RUN git clone --depth 1 https://huggingface.co/spaces/smolagents/ml-intern /tmp/source && \
     cp /tmp/source/pyproject.toml /tmp/source/uv.lock ./ && \
     cp -r /tmp/source/agent ./agent && \
@@ -21,22 +19,30 @@ RUN git clone --depth 1 https://huggingface.co/spaces/smolagents/ml-intern /tmp/
     cp -r /tmp/source/configs ./configs && \
     rm -rf /tmp/source
 
-# Install Python dependencies
+# Install deps
 RUN uv sync --no-dev --frozen
 
-# Copy built frontend
+# Copy frontend
 COPY --from=frontend-builder /source/frontend/dist ./static/
 
-# ====== OVERRIDE: Apply our custom patches AFTER source clone ======
-# This MUST come after the clone step above
+# ====== ROOT FIX: Patch models list directly in agent.py ======
+RUN sed -i 's/DEFAULT_FREE_MODEL_ID = "moonshotai\/Kimi-K2.6"/DEFAULT_FREE_MODEL_ID = "deepseek\/deepseek-chat-v3-0324"/' ./backend/routes/agent.py && \
+    sed -i '/"id": "moonshotai\/Kimi-K2.6"/,/},/c\        {"id": "deepseek/deepseek-chat-v3-0324", "label": "DeepSeek V3", "provider": "openrouter", "tier": "free", "recommended": True},' ./backend/routes/agent.py && \
+    sed -i '/"id": _claude_picker_model_id()/,/},/c\        {"id": "google/gemini-2.0-flash-001", "label": "Gemini 2.0 Flash", "provider": "openrouter", "tier": "free", "recommended": True},' ./backend/routes/agent.py && \
+    sed -i '/"id": "openai\/gpt-5.5"/,/},/c\        {"id": "qwen/qwen3-30b-a3b", "label": "Qwen3 30B", "provider": "openrouter", "tier": "free"},' ./backend/routes/agent.py && \
+    sed -i '/"id": "MiniMaxAI\/MiniMax-M2.7"/,/},/c\        {"id": "anthropic/claude-sonnet-4", "label": "Claude Sonnet 4", "provider": "openrouter", "tier": "pro"},' ./backend/routes/agent.py && \
+    sed -i '/"id": "zai-org\/GLM-5.1"/,/},/c\' ./backend/routes/agent.py && \
+    sed -i '/"id": "deepseek-ai\/DeepSeek-V4-Pro:deepinfra"/,/},/c\' ./backend/routes/agent.py && \
+    echo "✅ Models list patched"
+
+# Verify patch
+RUN grep -A2 "DEFAULT_FREE_MODEL_ID" ./backend/routes/agent.py | head -3
+RUN grep "deepseek-chat-v3" ./backend/routes/agent.py && echo "✅ DeepSeek V3 in models"
+
+# Override main.py and config
 COPY backend/main.py ./backend/main.py
 COPY configs/frontend_agent_config.json ./configs/frontend_agent_config.json
-# Verify override was applied
-RUN head -3 ./backend/main.py && echo "✅ Custom main.py applied"
-RUN cat ./configs/frontend_agent_config.json && echo "✅ Custom config applied"
-# ====== END OVERRIDE ======
 
-# Create directories
 RUN mkdir -p /app/session_logs && chown -R user:user /app
 
 USER user