Initial agent-news: Dart Telegram bot + Claude Code runner + MCP bridge

/news spawns claude-code as a local subprocess (single pod, no cross-container
exec on K3s); Claude delivers the digest itself via the send_to_telegram MCP tool.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

runner/claude-config/mcp.json

@@ -0,0 +1,7 @@
+{
+  "mcpServers": {
+    "agent-news": {
+      "command": "/usr/local/bin/agent-news-mcp"
+    }
+  }
+}