Organism · stable · v1.0.0 · owner: Site system lead · contract 19 of 20 points (open: figma)
Do and don't
Do: Governance
Rendered by contract-excerpt.tsOpen example: Record excerpt · Do: Governance Use the full-page example to follow page links.
Do: MCP tools
Rendered by contract-excerpt.tsOpen example: Record excerpt · Do: MCP tools Use the full-page example to follow page links.
Don't: An edited record
Rendered by contract-excerpt.tsOpen example: Record excerpt · Don't: An edited record Use the full-page example to follow page links.
Don't: Without the file name
Rendered by contract-excerpt.tsOpen example: Record excerpt · Don't: Without the file name Use the full-page example to follow page links.
Rules
| Rule | Why | Check |
|---|---|---|
| The record excerpt is drawn from Loom Base's contracts, governance file, the MCP tool list or the GitHub App manifest, read at build time at build time. | A figure read from the real records cannot drift from them. | Automated: npm run site:build (reads the data; fails if it is missing) |
| The caption names the file the excerpt was read from. | Anyone can open the same file. | Automated: tests/unit/site-static-context.test.ts (source-linked governance and token data) |
API
| Prop | Type | Required | Default | What it does |
|---|---|---|---|---|
kind | contract | governance | mcp-calls | github-permissions | Yes | Which record. | |
variant | string | No | The contract id for kind=contract. | |
lang | en | ja | No | "en" | Caption language (mcp-calls). |
Contract details
The full contract: identity, anatomy, variants, states, tokens, layout, motion, accessibility, content, tests
Identity
| Aspect | Value |
|---|---|
| Id | contract-excerpt |
| Layer | Organisms |
| Category | figure |
| Owner | Site system lead |
| Status | stable |
| Version | 1.0.0 |
| Source | apps/showcase/site/system/organisms/contract-excerpt.ts (private repository; the contract and the render function are this one module) |
| Version | Date | Change |
|---|---|---|
| 1.0.0 | 2026-10-26 | Record excerpt, drawn at build time from Loom Base's contracts, governance file, the MCP tool list or the GitHub App manifest, read at build time. |
Use when
- Where a page says something is recorded as data. Why: The record itself is the proof.
Do not use when
- For an invented record. Why: Every excerpt is read from a real file when the page is built.
Anatomy
| Part | What it is |
|---|---|
| root | figure.visual.contract-x |
| table | Table of fields |
| chain | Token chain (component → semantic → primitive) for contracts |
| caption | The file it was read from |
Made of: figure-frame, token-chain, table, tag, caption.
Used in: pages directly.
Variants
| Variant | When | Why |
|---|---|---|
| contract | Shape: one contract and how its tokens resolve. | Shows the contract format. |
| governance | Govern. | Governance as a file. |
| mcp-calls | Agents and MCP. | The tools agents call. |
| github-permissions | Security. | What the App may do, and nothing more. |
States
| State | Rendered or not applicable |
|---|---|
| default | default |
| hover | Not applicable: The record excerpt is not interactive, so it has no hover state. |
| focus-visible | Not applicable: The record excerpt does not take focus; links and buttons inside it carry their own focus ring. |
| active | Not applicable: The record excerpt cannot be pressed. |
| disabled | Not applicable: The record excerpt has nothing to disable. |
| loading | Not applicable: The record excerpt is rendered at build time and is complete when the page loads. |
| empty | Not applicable: The record excerpt is not rendered without content; the builder skips it. |
| error | Not applicable: The record excerpt shows no data that can fail. |
| current | Not applicable: The record excerpt has no current item. |
| visited | Not applicable: The record excerpt is not a link. |
| expanded | Not applicable: The record excerpt does not open or close. |
Tokens
| Part | Token |
|---|---|
| table.font | --type-small |
| chain.tier | --type-label |
| --contract-excerpt-margin-top-space-5 | var(--space-5) |
Layout
| Aspect | Value |
|---|---|
| breakpoints | Required review at 390, 768, 1024 and 1440 px; execution is not implied by this declaration; the figure reflows to one column under 768 px. |
| wrapping | Labels wrap; drawings scale to the column. |
| textExpansion | Japanese labels are 20 to 40% longer and wrap inside their cells. |
Spacing and rhythm
| Aspect | Value |
|---|---|
| internal | Inside the Figure frame's --space-7 padding. |
| external | --space-9 above and below in prose. |
| rhythm | After the text whose claim it proves. |
Motion
| Aspect | Value |
|---|---|
| None | A record is evidence: it holds still so it can be read. |
Runtime and reuse
Render-only element; mount any registered child enhancements separately. Preserve required Site CSS, fonts, responsive and locale rules from nativeElement.
Accessibility passport
| Aspect | Value |
|---|---|
| role | figure, named by its caption |
| name | The caption, and a text alternative for any drawing |
| keyboard | Not interactive unless stated. |
| focus | Links inside are in reading order. |
| screenReader | Reads the figure's text and caption; drawings have role=img with a description. |
| contrast | Ink on surface 14:1; dyes used only as marks with their words. |
| target | Not a target. |
Content
| Slot | Length | Voice |
|---|---|---|
| caption | 1 sentence | Read from <file> when this page is built |
Good: “Read from packages/base/governance.json when this page is built.”
Bad: “Example configuration”
Japanese: Captions translated with the page; field names stay as in the file.
Icons and illustrations
None: this element uses no icon or illustration of its own.
Decisions and exceptions
Usage
4 uses across the built pages (measured by npm run site:system).
Tests
| Aspect | Value |
|---|---|
| unit | tests/unit/site-system.test.ts: renders every do and don't example through the registry and checks the classes it owns |
| visual | Not yet: there are no screenshot baselines; the Library page is checked for sideways scroll at 1440 px by tests/site/system.spec.ts |
| a11y | tests/site/system.spec.ts: axe (0 serious or critical) on the element's Library page in light and dark |
| parity | scripts/site/system/check.ts: Library examples are rendered by the same render function the site imports |
Figma
not-yet: The Loom Site Figma library is the last stage of the plan; this element is not mapped yet.