feat: Add DAARWIZZ agent with personality

DAARWIZZ - Official AI agent for DAARION.city ecosystem

Changes:
- gateway-bot/daarwizz_prompt.txt: System prompt defining DAARWIZZ personality
- gateway-bot/http_api.py: Load and inject DAARWIZZ context into Router requests
- gateway-bot/Dockerfile: Copy DAARWIZZ prompt file to container
- providers/llm_provider.py: Support context.system_prompt from Gateway

Features:
- Telegram webhook sends agent='daarwizz' to Router
- System prompt loaded from file (customizable)
- LLM receives full DAARWIZZ context + RBAC
- Discord support included

Usage:
- User messages DAARWIZZ in Telegram
- Gateway enriches with system prompt + RBAC
- Router routes to LLM with full context
- DAARWIZZ responds with DAO-aware answers

Next: Set TELEGRAM_BOT_TOKEN and test first dialog

gateway-bot/Dockerfile

@@ -2,21 +2,29 @@
 FROM python:3.11-slim
 
 LABEL maintainer="DAARION.city Team"
-LABEL description="Bot Gateway - Telegram/Discord webhook handler"
+LABEL description="Bot Gateway - Telegram/Discord webhook handler with DAARWIZZ"
 LABEL version="0.2.0"
 
 WORKDIR /app
 
 RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*
 
-COPY ../requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+# Copy requirements and install
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt httpx
 
-COPY . .
+# Copy gateway code
+COPY gateway-bot/ /app/gateway-bot/
+
+# Copy DAARWIZZ system prompt
+COPY gateway-bot/daarwizz_prompt.txt /app/gateway-bot/daarwizz_prompt.txt
 
 EXPOSE 9300
 
 HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
     CMD curl -f http://localhost:9300/health || exit 1
 
+ENV DAARWIZZ_NAME=DAARWIZZ
+ENV DAARWIZZ_PROMPT_PATH=/app/gateway-bot/daarwizz_prompt.txt
+
 CMD ["python", "-m", "gateway_bot.main", "--host", "0.0.0.0", "--port", "9300"]