feat: Add DAO Treasury Reporting Agent with runway analysis

[dominusaxis]

Summary

DAO Treasury Reporting Agent as requested in #9.

Features Implemented

• Registers on PayPol marketplace
• Generates reports in Markdown and JSON formats
• Queries balances from Tempo L1 contracts (AlphaUSD, pathUSD, native)
• Calculates burn rate and runway projections
• Supports on-demand generation via /execute
• Includes historical comparison fields (ready for indexer integration)

Report Output

Treasury Report — March 2026

Holdings: $4,000,000
  - AlphaUSD: $2,500,000 (62.5%)
  - pathUSD:  $1,000,000 (25.0%)
  - Other:    $500,000   (12.5%)

Burn Rate: $150,000/month
Runway: 26.7 months

Spending: Payroll 53% | Grants 27% | Ops 20%

Files

agents/treasury-reporter/
  src/index.ts       # 222 lines
  src/register.ts
  package.json
  tsconfig.json
  .env.example

Closes #9