Document current coding-workflow stack state

Snapshot of where opencode + Qwen3-Coder + MCPs + Kimi-Linear + voice
  + Phoenix tracing land today, plus in-flight (oc-tree, kimi-linear
  context ramp) and next (ComfyUI) items with pointers to per-project
  NEXT_STEPS.md guides.

gitea-opencode-agent-project/agents/monitoring-agent.sh

@@ -0,0 +1,26 @@
+# Monitoring Agent
+
+## Overview
+This agent specializes in monitoring system health and performance using the qwen3-coder model (30b) for the homelab infrastructure project.
+
+## Capabilities
+- Monitors system performance
+- Analyzes infrastructure health
+- Detects potential issues
+- Provides optimization suggestions
+
+## Usage
+```bash
+# Monitor system with qwen3-coder
+qwen3-coder --monitor-system \
+  --model "qwen3-coder:30b" \
+  --target "homelab-network" \
+  --output "reports/health.md"
+```
+
+## Integration
+This agent integrates with:
+- System logs
+- Performance metrics
+- Configuration files
+- Documentation updates