{
  "schema_version": "newruntime-agent-readable-v0.1",
  "type": "raw_signal",
  "id": "tg-2568",
  "slug": "prompt-debt-becomes-legacy-code",
  "title": "Prompt debt turns natural language into legacy code",
  "description": "System prompts accumulate patches for edge cases until model changes and local fixes make the behavior fragile and opaque.",
  "observed_at": "2026-06-29",
  "why_it_matters": "Durable behavior has to move from prose into evals, typed outputs, tools, policies, and versioned examples that teams can test and change deliberately.",
  "novelty": "structural",
  "verification_level": "source-inspected",
  "signal_type": "field-report",
  "evidence_kind": "mixed",
  "status": "published",
  "telegram_message_id": 2568,
  "telegram_url": "https://t.me/qwgai/2568",
  "topics": [
    "prompt-engineering",
    "evals",
    "technical-debt"
  ],
  "entities": [
    "Drew Breunig"
  ],
  "related_patterns": [],
  "source_urls": [
    "https://dbreunig.com/2026/06/22/the-problem-is-prompt-debt.html"
  ],
  "import_batch": "telegram-2026-07-17-v1",
  "routes": {
    "html": "https://newruntime.com/signals/prompt-debt-becomes-legacy-code/",
    "markdown": "https://newruntime.com/signals/prompt-debt-becomes-legacy-code.md",
    "json": "https://newruntime.com/signals/prompt-debt-becomes-legacy-code.json"
  },
  "source_format": "telegram-export-normalized-json"
}