---
name: solar-pro-workhorse-router
description: Upstage Solar Pro 4 Workhorse Reliability & Economic Agent Router. Implements 3-tier model routing (Frontier vs Workhorse vs Local), 90% token cost reduction for document/schema tasks, and tabular extraction integrity verification (71 AA-LCR).
trigger: ["solar-pro", "upstage", "workhorse-router", "token-efficient", "warp-factory", "token-bleed"]
---

# Upstage Solar Pro 4 Workhorse Router & Warp Software Factory

Steals the top high-ROI ideas from Upstage Solar Pro 4 (August 2026), Warp Software Factories, and Token-Efficient Multi-Agent Architecture:

1. **3-Tier Intelligent Model Router**:
   - **Frontier Tier**: Complex multi-file refactoring and novel causal architectures.
   - **Solar Pro 4 Workhorse Tier**: 524k context window, $0.03/M input, $0.12/M output (90% savings for extraction, tabular reconciliation, and single-file repairs).
   - **Zero-Cost Local Tier**: Linting, preflight regex checks, and test runner dispatches.

2. **Warp-Style Multi-Harness Software Factory**:
   - Multi-harness control plane (Antigravity/Ollama, Claude Code, Cursor, Devin).
   - Factory MCP gateway for in-flight steering, review checkpoints, and terminal handovers.
   - Throughput and ROI telemetry matrix (cost per PR, latency, pass rate).

3. **Token Bleed Interdiction**:
   - Compaction of verbose terminal logs (saving $>80\%$ tokens).
   - Minimal subagent task packets without conversational context bleed.

## CLI Usage

```bash
# Run tests
node tests/test-software-factory-and-workhorse-router.js

# Test router
node tools/solar-pro-workhorse-router.js
node tools/warp-software-factory-engine.js
node tools/token-bleed-interdictor.js
```