SubScribe Field OS: A Local-First Voice OS for Construction Paperwork

说明与用途

SubScribe Field OS 是一款本地化、语音控制的施工现场文档系统，帮助分包商在离线环境下快速生成签署好的 PDF 文档。

问题

Small trade subcontractors lose thousands of dollars annually because out-of-scope work rarely gets documented on time, and manual paperwork is impractical on noisy job sites.

结果

A solo contractor used SubScribe on a laptop to dictate daily logs and change orders, instantly producing polished, legal‑ready PDFs without keyboard input, leading to a willingness to pay $5–$10/month.

工作流

• 1. User speaks a single sentence describing work performed.
• 2. Local audio transcription (faster‑whisper int8) converts speech to text with trade‑vocabulary prompt.
• 3. Transcript routed to Gemma 2B via Ollama with temperature 0.0 and JSON format; Pydantic schemas validate output.
• 4. If mismatch, orchestrator retries until valid JSON is produced.
• 5. Offline contract RAG (ChromaDB) retrieves relevant clauses from local PDF of scope agreement and supplies them to Gemma for citation.
• 6. Final JSON is serialized and written to local SQLite audit trail.
• 7. Jinja2 template populates PDF layout; WeasyPrint renders PDF in <2 s.
• 8. User reviews parsed JSON and exports PDF via Streamlit/Gradio UI; FastAPI dashboard allows off‑site managers to view history.

证据

SubScribe Field OS is a local-first, voice-controlled operating system engineered to automate construction field documentation entirely offline.

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On loud, chaotic job sites, tradespeople can speak a single sentence and instantly generate a signed, print-ready change order, daily log, or delay notice.

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The entire application runs locally on a standard laptop with zero API keys or per-document processing fees.

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The system was put to the test by a solo contractor running SubScribe directly on a laptop. By simply dictating daily logs and change orders aloud, he was able to instantly compile polished, legal-ready PDFs without touching a keyboard.

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