substrat-run

Substrat engine: invoice basis — consumes billable events, snapshots lines with provenance, immutable once exported

Scaffold a Substrat vertical — `npm create substrat <dir>`.

Substrat connector: Fortnox accounting (Swedish). Reads a company's bookkeeping as SIE4 on a poll and lands it into a scope through the vertical's own operation. Auth is OAuth2 client-credentials against a service consent, so there is no refresh token to

Substrat connector: Planima planned facility maintenance (Swedish). Reads a maintenance plan — facilities, buildings, components and actions — on a poll and lands it into a scope through the vertical's own operation. Auth is a static API token, so there i

The file-format parsers behind the kernel's attachment extractor seam (K-43): text, HTML, DOCX, XLSX, PPTX and PDF to plain text, with the input and decompression bounds that protect the process doing the parsing. A host passes them in; the kernel and the

The model-provider seam: one `provider:model` grammar, a table of providers (Anthropic, OpenAI, Google, Mistral, Qwen, Cloudflare, Scaleway, Ollama, any OpenAI-compatible endpoint), the hosting disclosure per provider, the generated rate card and the list

The typed HTTP client for the Substrat control-plane API — one transport (credentials, problem documents, ControlPlaneError) for the CLI, the console and a vertical's connect seam

Substrat kernel contract schemas — Zod is the source of truth (master plan D-22); OAS/JSON Schema are emitted artifacts