Initial commit: MeshAI - LLM-powered Meshtastic assistant

Features:
- Multi-backend LLM support (OpenAI, Anthropic, Google)
- Rolling summary memory for token optimization (~70-80% reduction)
- Per-user conversation history with SQLite persistence
- Bang commands (!help, !ping, !reset, !status, !weather)
- Meshtastic integration via serial or TCP
- Message chunking for mesh network constraints (150 char limit)
- Rate limiting to prevent network congestion
- Rich TUI configurator
- Docker support

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,41 @@
+FROM python:3.11-slim
+
+LABEL maintainer="K7ZVX <matt@echo6.co>"
+LABEL description="MeshAI - LLM-powered Meshtastic assistant"
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    libc6-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN useradd -m -s /bin/bash meshai
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first for layer caching
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code
+COPY meshai/ ./meshai/
+COPY pyproject.toml .
+COPY README.md .
+
+# Install the package and fix permissions
+RUN pip install --no-cache-dir -e . && \
+    chown -R meshai:meshai /app
+
+# Create data directory for config and database
+RUN mkdir -p /data && chown meshai:meshai /data
+
+# Switch to non-root user
+USER meshai
+
+# Set working directory to data for config files
+WORKDIR /data
+
+# Default command
+CMD ["python", "-m", "meshai"]