Examples: c4-editorial-system-context
Examples: c4-editorial-system-context
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I need a "C4 System Context" diagram. It is published as text and vectors, so taking the published one and editing it beats redrawing it. ## What this diagram says Puts the system in scope as a single box, surrounded only by the people and external systems it touches. ## When it fits - Answering "what does this connect to" for a non-technical reader. - Agreeing where a project's scope ends. ## When it does not - Explaining what is inside — use C4 Container or Architecture. - When there are more than ten boxes: the context has grown past what this view is for. ## What this kind validates - Validates the Person, Software System, External System, System Boundary and Relationship types, and what falls inside or outside the scope. - Can be referenced from a C4 Container by a stable scope id. ## What it does not - Does not check that the external systems listed are all of them. ## What you can take - https://design-vault.pages.dev/designs/diagram-c4-system-context/samples/c4-editorial-system-context/c4-system-context.drawio - https://design-vault.pages.dev/designs/diagram-c4-system-context/samples/c4-editorial-system-context/c4-system-context.png - https://design-vault.pages.dev/designs/diagram-c4-system-context/samples/c4-editorial-system-context/c4-system-context.svg - https://design-vault.pages.dev/designs/diagram-c4-system-context/samples/c4-editorial-system-context/diagram-spec.json - https://design-vault.pages.dev/designs/diagram-c4-system-context/samples/c4-editorial-system-context/layout.json - https://design-vault.pages.dev/ai/assets/diagram-c4-system-context.json ## What you can edit The published `.drawio` is uncompressed XML. Open it in draw.io and edit it, or diff it as text. Operations this kind accepts through the engine: alignNodes, distributeNodes, moveBoundary, moveNode, resizeBoundary, resizeNode This kind accepts only geometry operations — it has none that change meaning. ## Writing a new one A `diagram-spec.json` can be written against the schema below. - https://design-vault.pages.dev/schemas/diagram-spec.schema.json - https://design-vault.pages.dev/schemas/layout.schema.json ## What cannot be done here **A spec you write cannot be validated here, and `layout.json` cannot be computed here.** The generator that does both is not published; what is published is the artifacts, the inputs and the schemas. Place the geometry yourself, or hand the spec to someone who has the engine. ## Licence The diagram and its inputs are CC BY 4.0 — carry the credit when you use them. > "C4 System Context" by zawa, licensed under CC BY 4.0. https://creativecommons.org/licenses/by/4.0/ The schemas are MIT.
/designs/diagram-c4-system-context/samples/c4-editorial-system-context/c4-system-context.drawio
<?xml version="1.0" encoding="UTF-8"?> <mxfile host="app.diagrams.net" compressed="false"> <diagram id="c4-editorial-system-context" name="C4 System Context" syncFormat="1.0" diagramKind="c4-system-context" inputHash="5f3386729f38aaa1ec80304003374d414606ad8b048af5ca64ecc475c7331568" generatorVersion="0.5.0"> <mxGraphModel dx="1200" dy="820" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="1" pageScale="1" pageWidth="1500" pageHeight="850" math="0" shadow="0"> <root> <mxCell id="0"/> <mxCell id="1" parent="0"/> <mxCell id="diagram-title" value="System Context — Editorial Diagram System" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=23;fontStyle=1;fontColor=#292E35;spacing=0;align=left;verticalAlign=middle;" vertex="1" parent="1"><mxGeometry x="32" y="22" width="720" height="42" as="geometry"/></mxCell> <mxCell id="legend-0-mark" value="" style="ellipse;html=1;aspect=fixed;fillColor=#FFFFFF;strokeColor=#343A42;strokeWidth=1.6;" vertex="1" parent="1"><mxGeometry x="32" y="85" width="10" height="10" as="geometry"/></mxCell> <mxCell id="legend-0-text" value="Person" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=13;fontStyle=0;fontColor=#292E35;spacing=0;align=left;verticalAlign=middle;" vertex="1" parent="1"><mxGeometry x="49" y="77" width="170" height="28" as="geometry"/></mxCell> <mxCell id="legend-1-mark" value="" style="ellipse;html=1;aspect=fixed;fillColor=#FFFFFF;strokeColor=#59697D;strokeWidth=1.6;" vertex="1" parent="1"><mxGeometry x="254" y="85" width="10" height="10" as="geometry"/></mxCell> <mxCell id="legend-1-text" value="Software System" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=13;fontStyle=0;fontColor=#292E35;spacing=0;align=left;verticalAlign=middle;" vertex="1" 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height="330" as="geometry"/></mxCell></object> <mxCell id="system-in-scope--title" value="SYSTEM IN SCOPE" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=12;fontStyle=1;fontColor=#59697D;spacing=0;align=left;verticalAlign=middle;labelBackgroundColor=#FFFFFF;" vertex="1" parent="system-in-scope" syncRole="boundary-title" ownerId="system-in-scope"><mxGeometry x="9" y="4" width="121.12" height="22" as="geometry"/></mxCell> <object id="author-uses-system" label="" componentId="author-uses-system" c4Type="edge" c4RelationshipType="relationship" variant="realtime" direction="forward"><mxCell style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#343A42;strokeWidth=1.6;endArrow=open;endFill=0;endSize=8;startArrow=none;exitX=1;exitY=0.55;exitDx=0;exitDy=0;exitPerimeter=1;entryX=0;entryY=0.28;entryDx=0;entryDy=0;entryPerimeter=1;" edge="1" parent="1" source="diagram-author" 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componentId="system-generates-drawio" c4Type="edge" c4RelationshipType="relationship" variant="realtime" direction="forward" protocol="draw.io XML"><mxCell style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;strokeColor=#343A42;strokeWidth=1.6;endArrow=open;endFill=0;endSize=8;startArrow=none;exitX=1;exitY=0.28;exitDx=0;exitDy=0;exitPerimeter=1;entryX=0;entryY=0.55;entryDx=0;entryDy=0;entryPerimeter=1;" edge="1" parent="1" source="editorial-diagram-system" target="drawio-desktop"><mxGeometry relative="1" as="geometry"><Array as="points"><mxPoint x="1070" y="364.8"/><mxPoint x="1070" y="292.5"/></Array></mxGeometry></mxCell></object> <mxCell id="system-generates-drawio--label" value="Exports editable diagrams to<br>[draw.io XML]" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=12;fontStyle=1;fontColor=#292E35;spacing=0;labelBackgroundColor=#FFFFFF;" vertex="1" parent="1" syncRole="edge-label" 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ownerId="diagram-author"><mxGeometry x="10" y="9" width="250" height="18" as="geometry"/></mxCell> <mxCell id="diagram-author--title" value="Diagram Author" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=15;fontStyle=1;fontColor=#292E35;spacing=0;align=center;verticalAlign=middle;" vertex="1" parent="diagram-author" syncRole="title" ownerId="diagram-author"><mxGeometry x="10" y="31" width="250" height="28" as="geometry"/></mxCell> <mxCell id="diagram-author--description" value="Defines diagram meaning and reviews generated outputs." style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=12;fontStyle=0;fontColor=#58616C;spacing=0;align=center;verticalAlign=top;" vertex="1" parent="diagram-author" syncRole="description" ownerId="diagram-author"><mxGeometry x="14" y="65" width="242" height="75" as="geometry"/></mxCell> <object id="architecture-reviewer" label="" 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id="editorial-diagram-system--stereotype" value="[Software System]" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=10;fontStyle=1;fontColor=#58616C;spacing=0;align=center;verticalAlign=middle;" vertex="1" parent="editorial-diagram-system" syncRole="stereotype" ownerId="editorial-diagram-system"><mxGeometry x="10" y="9" width="320" height="18" as="geometry"/></mxCell> <mxCell id="editorial-diagram-system--title" value="Editorial Diagram System" style="text;html=1;strokeColor=none;fillColor=none;whiteSpace=wrap;rounded=0;fontFamily=Meiryo UI;fontSize=15;fontStyle=1;fontColor=#292E35;spacing=0;align=center;verticalAlign=middle;" vertex="1" parent="editorial-diagram-system" syncRole="title" ownerId="editorial-diagram-system"><mxGeometry x="10" y="31" width="320" height="28" as="geometry"/></mxCell> <mxCell id="editorial-diagram-system--description" value="Generates deterministic, editable diagrams from validated JSON contracts." 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/designs/diagram-c4-system-context/samples/c4-editorial-system-context/diagram-spec.json
{
"$schema": "../../../../schemas/diagram-spec.schema.json",
"schemaVersion": "2.0",
"diagramKind": "c4-system-context",
"id": "c4-editorial-system-context",
"title": "System Context — Editorial Diagram System",
"description": "People and external systems around Editorial Diagram System.",
"language": "en",
"scopeSystemId": "editorial-diagram-system",
"scopeBoundaryId": "system-in-scope",
"boundaries": [
{
"id": "system-in-scope",
"type": "system-boundary",
"title": "SYSTEM IN SCOPE"
}
],
"nodes": [
{
"id": "diagram-author",
"type": "person",
"title": "Diagram Author",
"description": "Defines diagram meaning and reviews generated outputs."
},
{
"id": "architecture-reviewer",
"type": "person",
"title": "Architecture Reviewer",
"description": "Reviews system intent, relationships, and change impact."
},
{
"id": "editorial-diagram-system",
"type": "software-system",
"title": "Editorial Diagram System",
"description": "Generates deterministic, editable diagrams from validated JSON contracts."
},
{
"id": "drawio-desktop",
"type": "external-system",
"title": "draw.io",
"description": "Provides GUI editing for managed draw.io files."
},
{
"id": "source-repository",
"type": "external-system",
"title": "Source Repository",
"description": "Stores semantic specs, layouts, operations, and generated artifacts."
}
],
"edges": [
{
"id": "author-uses-system",
"from": "diagram-author",
"to": "editorial-diagram-system",
"type": "relationship",
"description": "Authors diagrams with"
},
{
"id": "system-supports-reviewer",
"from": "editorial-diagram-system",
"to": "architecture-reviewer",
"type": "relationship",
"description": "Presents diagrams to"
},
{
"id": "system-generates-drawio",
"from": "editorial-diagram-system",
"to": "drawio-desktop",
"type": "relationship",
"description": "Exports editable diagrams to",
"technology": "draw.io XML"
},
{
"id": "system-uses-repository",
"from": "editorial-diagram-system",
"to": "source-repository",
"type": "relationship",
"description": "Reads and writes design files in",
"technology": "JSON and files"
}
]
}
/designs/diagram-c4-system-context/samples/c4-editorial-system-context/layout.json
{
"$schema": "../../../../schemas/layout.schema.json",
"schemaVersion": "1.0",
"canvas": {
"width": 1500,
"height": 850
},
"boundaries": {
"system-in-scope": {
"x": 495,
"y": 230,
"width": 510,
"height": 330
}
},
"nodes": {
"diagram-author": {
"x": 70,
"y": 210,
"width": 270,
"height": 150
},
"architecture-reviewer": {
"x": 70,
"y": 560,
"width": 270,
"height": 150
},
"editorial-diagram-system": {
"x": 580,
"y": 320,
"width": 340,
"height": 160
},
"drawio-desktop": {
"x": 1160,
"y": 210,
"width": 270,
"height": 150
},
"source-repository": {
"x": 1160,
"y": 560,
"width": 270,
"height": 150
}
},
"edges": {
"author-uses-system": {
"source": {
"side": "right",
"offset": 0.55
},
"target": {
"side": "left",
"offset": 0.28
},
"waypoints": [
{
"x": 430,
"y": 292.5
},
{
"x": 430,
"y": 364.8
}
],
"label": {
"x": 415,
"y": 325
}
},
"system-supports-reviewer": {
"source": {
"side": "left",
"offset": 0.72
},
"target": {
"side": "right",
"offset": 0.5
},
"waypoints": [
{
"x": 430,
"y": 435.2
},
{
"x": 430,
"y": 635
}
],
"label": {
"x": 415,
"y": 535
}
},
"system-generates-drawio": {
"source": {
"side": "right",
"offset": 0.28
},
"target": {
"side": "left",
"offset": 0.55
},
"waypoints": [
{
"x": 1070,
"y": 364.8
},
{
"x": 1070,
"y": 292.5
}
],
"label": {
"x": 1085,
"y": 325
}
},
"system-uses-repository": {
"source": {
"side": "right",
"offset": 0.72
},
"target": {
"side": "left",
"offset": 0.5
},
"waypoints": [
{
"x": 1070,
"y": 435.2
},
{
"x": 1070,
"y": 635
}
],
"label": {
"x": 1085,
"y": 535
}
}
}
}
/schemas/diagram-spec.schema.json — Large, so it goes as a file (copy is for 32 KB and under)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://example.local/schemas/diagram-spec.schema.json",
"title": "Editorial diagram semantic specification",
"oneOf": [
{ "$ref": "#/$defs/legacyArchitectureSpec" },
{ "$ref": "#/$defs/architectureSpec" },
{ "$ref": "#/$defs/c4SystemContextSpec" },
{ "$ref": "#/$defs/c4ContainerSpec" },
{ "$ref": "#/$defs/dataFlowSpec" },
{ "$ref": "#/$defs/deploymentSpec" },
{ "$ref": "#/$defs/bpmnLiteSpec" },
{ "$ref": "#/$defs/sequenceSpec" },
{ "$ref": "#/$defs/erSpec" },
{ "$ref": "#/$defs/stateSpec" },
{ "$ref": "#/$defs/decisionTreeSpec" },
{ "$ref": "#/$defs/timelineSpec" },
{ "$ref": "#/$defs/roadmapSpec" },
{ "$ref": "#/$defs/capabilityMapSpec" },
{ "$ref": "#/$defs/executiveViewSpec" }
],
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}
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},
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}
}
},
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{
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}
}
],
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},
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}
}
],
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},
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],
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}
}
},
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}
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}
},
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},
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},
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}
},
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}
},
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},
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}
},
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}
},
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},
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}
},
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}
},
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}
},
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},
"timelineMilestone": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "workstreamId", "date", "status"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "milestone" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 240 },
"workstreamId": { "$ref": "#/$defs/id" },
"date": { "$ref": "#/$defs/isoDate" },
"status": { "$ref": "#/$defs/timelineStatus" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"timelineDependency": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "from", "to"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "finish-to-start" },
"from": { "$ref": "#/$defs/id" },
"to": { "$ref": "#/$defs/id" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"timelineStatus": { "enum": ["planned", "active", "blocked", "done"] },
"isoDate": { "type": "string", "pattern": "^[0-9]{4}-[0-9]{2}-[0-9]{2}$" },
"roadmapSpec": {
"type": "object",
"additionalProperties": false,
"required": ["schemaVersion", "diagramKind", "id", "title", "language", "vision", "horizons", "themes", "nodes", "edges"],
"properties": {
"$schema": { "type": "string" },
"schemaVersion": { "const": "2.0" },
"diagramKind": { "const": "roadmap" },
"id": { "$ref": "#/$defs/id" },
"title": { "type": "string", "minLength": 1, "maxLength": 120 },
"description": { "type": "string", "maxLength": 500 },
"language": { "enum": ["en", "ja", "mixed"] },
"metadata": { "$ref": "#/$defs/metadata" },
"vision": { "type": "string", "minLength": 8, "maxLength": 180 },
"horizons": { "type": "array", "minItems": 3, "maxItems": 3, "items": { "$ref": "#/$defs/roadmapHorizon" } },
"themes": { "type": "array", "minItems": 1, "maxItems": 5, "items": { "$ref": "#/$defs/roadmapTheme" } },
"nodes": { "type": "array", "minItems": 1, "maxItems": 24, "items": { "$ref": "#/$defs/roadmapInitiative" } },
"edges": { "type": "array", "maxItems": 0 }
}
},
"roadmapHorizon": {
"type": "object",
"additionalProperties": false,
"required": ["id", "kind", "title", "description"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"kind": { "enum": ["now", "next", "later"] },
"title": { "type": "string", "minLength": 1, "maxLength": 40 },
"description": { "type": "string", "minLength": 3, "maxLength": 120 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"roadmapTheme": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "theme" },
"title": { "type": "string", "minLength": 1, "maxLength": 60 },
"description": { "type": "string", "minLength": 3, "maxLength": 160 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"roadmapInitiative": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "outcome", "themeId", "horizonId", "status"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "initiative" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 200 },
"outcome": { "type": "string", "minLength": 8, "maxLength": 220 },
"themeId": { "$ref": "#/$defs/id" },
"horizonId": { "$ref": "#/$defs/id" },
"status": { "enum": ["exploring", "planned", "active", "delivered"] },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"capabilityMapSpec": {
"type": "object",
"additionalProperties": false,
"required": ["schemaVersion", "diagramKind", "id", "title", "language", "scope", "domains", "nodes", "edges"],
"properties": {
"$schema": { "type": "string" },
"schemaVersion": { "const": "2.0" },
"diagramKind": { "const": "capability-map" },
"id": { "$ref": "#/$defs/id" },
"title": { "type": "string", "minLength": 1, "maxLength": 120 },
"description": { "type": "string", "maxLength": 500 },
"language": { "enum": ["en", "ja", "mixed"] },
"metadata": { "$ref": "#/$defs/metadata" },
"scope": { "type": "string", "minLength": 8, "maxLength": 220 },
"domains": { "type": "array", "minItems": 2, "maxItems": 6, "items": { "$ref": "#/$defs/capabilityDomain" } },
"nodes": { "type": "array", "minItems": 2, "maxItems": 30, "items": { "$ref": "#/$defs/capability" } },
"edges": { "type": "array", "maxItems": 0 }
}
},
"capabilityDomain": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "domain" },
"title": { "type": "string", "minLength": 1, "maxLength": 60 },
"description": { "type": "string", "minLength": 3, "maxLength": 160 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"capability": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "domainId", "strategicImportance"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "capability" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 200 },
"domainId": { "$ref": "#/$defs/id" },
"strategicImportance": { "enum": ["low", "medium", "high"] },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"executiveViewSpec": {
"type": "object",
"additionalProperties": false,
"required": ["schemaVersion", "diagramKind", "id", "title", "language", "asOfDate", "objective", "recommendation", "nodes", "edges"],
"properties": {
"$schema": { "type": "string" },
"schemaVersion": { "const": "2.0" },
"diagramKind": { "const": "executive-view" },
"id": { "$ref": "#/$defs/id" },
"title": { "type": "string", "minLength": 1, "maxLength": 120 },
"description": { "type": "string", "maxLength": 500 },
"language": { "enum": ["en", "ja", "mixed"] },
"metadata": { "$ref": "#/$defs/metadata" },
"asOfDate": { "$ref": "#/$defs/isoDate" },
"objective": { "type": "string", "minLength": 8, "maxLength": 220 },
"recommendation": { "type": "string", "minLength": 8, "maxLength": 240 },
"nodes": { "type": "array", "minItems": 4, "maxItems": 13, "items": { "$ref": "#/$defs/executiveItem" } },
"edges": { "type": "array", "maxItems": 0 }
}
},
"executiveItem": {
"oneOf": [
{ "$ref": "#/$defs/executiveIndicator" },
{ "$ref": "#/$defs/executiveRisk" },
{ "$ref": "#/$defs/executiveDecision" }
]
},
"executiveIndicator": {
"type": "object", "additionalProperties": false,
"required": ["id", "type", "title", "description", "value", "target", "trend", "status"],
"properties": {
"id": { "$ref": "#/$defs/id" }, "type": { "const": "indicator" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 200 },
"value": { "type": "string", "minLength": 1, "maxLength": 60 },
"target": { "type": "string", "minLength": 1, "maxLength": 60 },
"trend": { "enum": ["improving", "steady", "declining"] },
"status": { "enum": ["on-track", "at-risk", "off-track"] },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"executiveRisk": {
"type": "object", "additionalProperties": false,
"required": ["id", "type", "title", "description", "impact", "response", "status"],
"properties": {
"id": { "$ref": "#/$defs/id" }, "type": { "const": "risk" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 200 },
"impact": { "enum": ["low", "medium", "high"] },
"response": { "type": "string", "minLength": 3, "maxLength": 220 },
"status": { "enum": ["open", "watch", "mitigated"] },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"executiveDecision": {
"type": "object", "additionalProperties": false,
"required": ["id", "type", "title", "description", "recommendation", "status"],
"properties": {
"id": { "$ref": "#/$defs/id" }, "type": { "const": "decision" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 200 },
"recommendation": { "type": "string", "minLength": 3, "maxLength": 220 },
"status": { "enum": ["open", "approved", "deferred"] },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"dataFlowSpec": {
"type": "object",
"additionalProperties": false,
"required": ["schemaVersion", "diagramKind", "id", "title", "language", "boundaries", "nodes", "edges"],
"properties": {
"$schema": { "type": "string" },
"schemaVersion": { "const": "2.0" },
"diagramKind": { "const": "data-flow" },
"id": { "$ref": "#/$defs/id" },
"title": { "type": "string", "minLength": 1, "maxLength": 120 },
"description": { "type": "string", "maxLength": 500 },
"language": { "enum": ["en", "ja", "mixed"] },
"metadata": { "$ref": "#/$defs/metadata" },
"boundaries": {
"type": "array",
"maxItems": 32,
"items": { "$ref": "#/$defs/dataFlowTrustBoundary" }
},
"nodes": {
"type": "array",
"minItems": 2,
"maxItems": 120,
"items": { "$ref": "#/$defs/dataFlowNode" }
},
"edges": {
"type": "array",
"minItems": 1,
"maxItems": 240,
"items": { "$ref": "#/$defs/dataFlowEdge" }
}
}
},
"dataFlowTrustBoundary": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "trustLevel"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "trust-boundary" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"trustLevel": { "enum": ["external", "controlled", "restricted"] },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"dataFlowNode": {
"oneOf": [
{ "$ref": "#/$defs/dataFlowSimpleNode" },
{ "$ref": "#/$defs/dataFlowProcess" },
{ "$ref": "#/$defs/dataFlowDataStore" }
]
},
"dataFlowSimpleNode": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "enum": ["source", "sink", "external-system"] },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 240 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"dataFlowProcess": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "transformation"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "process" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 240 },
"transformation": { "type": "string", "minLength": 3, "maxLength": 160 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"dataFlowDataStore": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "classification"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "data-store" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 240 },
"classification": { "$ref": "#/$defs/dataClassification" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"dataFlowEdge": {
"type": "object",
"additionalProperties": false,
"required": ["id", "from", "to", "type", "dataName", "format", "frequency", "mode", "classification"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"from": { "$ref": "#/$defs/id" },
"to": { "$ref": "#/$defs/id" },
"type": { "const": "data-flow" },
"dataName": { "type": "string", "minLength": 1, "maxLength": 100 },
"format": { "type": "string", "minLength": 1, "maxLength": 80 },
"frequency": { "type": "string", "minLength": 1, "maxLength": 80 },
"mode": { "enum": ["batch", "streaming", "request-response"] },
"classification": { "$ref": "#/$defs/dataClassification" },
"trustBoundaryIds": {
"type": "array",
"maxItems": 32,
"uniqueItems": true,
"items": { "$ref": "#/$defs/id" }
},
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"dataClassification": { "enum": ["public", "internal", "confidential", "restricted"] },
"deploymentSpec": {
"type": "object",
"additionalProperties": false,
"required": [
"schemaVersion", "diagramKind", "id", "title", "language", "environment",
"entryNodeIds", "boundaries", "nodes", "edges"
],
"properties": {
"$schema": { "type": "string" },
"schemaVersion": { "const": "2.0" },
"diagramKind": { "const": "deployment" },
"id": { "$ref": "#/$defs/id" },
"title": { "type": "string", "minLength": 1, "maxLength": 120 },
"description": { "type": "string", "maxLength": 500 },
"language": { "enum": ["en", "ja", "mixed"] },
"metadata": { "$ref": "#/$defs/metadata" },
"environment": { "type": "string", "minLength": 1, "maxLength": 80 },
"entryNodeIds": {
"type": "array",
"minItems": 1,
"maxItems": 32,
"uniqueItems": true,
"items": { "$ref": "#/$defs/id" }
},
"boundaries": {
"type": "array",
"minItems": 4,
"maxItems": 64,
"items": { "$ref": "#/$defs/deploymentBoundary" }
},
"nodes": {
"type": "array",
"minItems": 2,
"maxItems": 160,
"items": { "$ref": "#/$defs/deploymentNode" }
},
"edges": {
"type": "array",
"minItems": 1,
"maxItems": 320,
"items": { "$ref": "#/$defs/deploymentCommunication" }
}
}
},
"deploymentBoundary": {
"oneOf": [
{ "$ref": "#/$defs/deploymentCloudProvider" },
{ "$ref": "#/$defs/deploymentRegion" },
{ "$ref": "#/$defs/deploymentNetworkBoundary" }
]
},
"deploymentCloudProvider": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "cloud-provider" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"deploymentRegion": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "parentId"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "region" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"parentId": { "$ref": "#/$defs/id" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"deploymentNetworkBoundary": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "parentId", "exposure"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "enum": ["network", "subnet"] },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"parentId": { "$ref": "#/$defs/id" },
"exposure": { "$ref": "#/$defs/networkExposure" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"deploymentNode": {
"oneOf": [
{ "$ref": "#/$defs/deploymentExternalSystem" },
{ "$ref": "#/$defs/deploymentManagedNode" }
]
},
"deploymentExternalSystem": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "technology", "exposure"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "const": "external-system" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 240 },
"technology": { "type": "string", "minLength": 1, "maxLength": 100 },
"exposure": { "const": "public" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"deploymentManagedNode": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "title", "description", "technology", "exposure", "boundaryId"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "enum": ["gateway", "load-balancer", "firewall", "host", "service", "database"] },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"description": { "type": "string", "minLength": 3, "maxLength": 240 },
"technology": { "type": "string", "minLength": 1, "maxLength": 100 },
"exposure": { "$ref": "#/$defs/networkExposure" },
"boundaryId": { "$ref": "#/$defs/id" },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"deploymentCommunication": {
"type": "object",
"additionalProperties": false,
"required": ["id", "from", "to", "type", "description", "protocol", "port"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"from": { "$ref": "#/$defs/id" },
"to": { "$ref": "#/$defs/id" },
"type": { "const": "communication" },
"description": { "type": "string", "minLength": 3, "maxLength": 160 },
"protocol": { "type": "string", "minLength": 1, "maxLength": 40 },
"port": { "type": "integer", "minimum": 1, "maximum": 65535 },
"boundaryIds": {
"type": "array",
"maxItems": 64,
"uniqueItems": true,
"items": { "$ref": "#/$defs/id" }
},
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"networkExposure": { "enum": ["public", "private", "restricted"] },
"id": { "type": "string", "pattern": "^[a-z][a-z0-9-]{1,63}$" },
"variant": { "enum": ["realtime", "delegated", "external", "warning", "critical"] },
"status": { "enum": ["planned", "experimental", "beta", "stable", "deprecated", "retired"] },
"metadata": {
"type": "object",
"additionalProperties": { "type": "string", "maxLength": 200 }
},
"boundary": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "variant", "title"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": { "enum": ["system", "network", "trust", "organization", "runtime"] },
"variant": { "$ref": "#/$defs/variant" },
"title": { "type": "string", "minLength": 1, "maxLength": 80 },
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"node": {
"type": "object",
"additionalProperties": false,
"required": ["id", "type", "variant", "status", "title"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"type": {
"enum": [
"actor", "client", "frontend", "backend", "api", "service", "model", "agent",
"tool", "database", "cache", "queue", "event-bus", "storage", "batch-job",
"external-service", "observability", "security", "network", "note"
]
},
"variant": { "$ref": "#/$defs/variant" },
"status": { "$ref": "#/$defs/status" },
"title": { "type": "string", "minLength": 1, "maxLength": 60 },
"subtitle": { "type": "string", "maxLength": 100 },
"icon": { "$ref": "#/$defs/id" },
"controls": {
"type": "array",
"maxItems": 8,
"items": { "type": "string", "minLength": 1, "maxLength": 32 }
},
"metadata": { "$ref": "#/$defs/metadata" }
}
},
"edge": {
"type": "object",
"additionalProperties": false,
"required": ["id", "from", "to", "type", "variant", "direction"],
"properties": {
"id": { "$ref": "#/$defs/id" },
"from": { "$ref": "#/$defs/id" },
"to": { "$ref": "#/$defs/id" },
"type": {
"enum": [
"sync-request", "async-request", "realtime-stream", "event", "batch", "data-read",
"data-write", "control", "monitoring", "authentication"
]
},
"variant": { "$ref": "#/$defs/variant" },
"label": { "type": "string", "maxLength": 80 },
"direction": { "enum": ["forward", "bidirectional"] },
"protocol": { "type": "string", "maxLength": 32 },
"metadata": { "$ref": "#/$defs/metadata" }
}
}
}
}
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://example.local/schemas/layout.schema.json",
"title": "Architecture diagram layout",
"type": "object",
"additionalProperties": false,
"required": ["schemaVersion", "canvas", "nodes", "edges"],
"properties": {
"$schema": { "type": "string" },
"schemaVersion": { "const": "1.0" },
"canvas": {
"type": "object",
"additionalProperties": false,
"required": ["width", "height"],
"properties": {
"width": { "type": "integer", "minimum": 320, "maximum": 10000 },
"height": { "type": "integer", "minimum": 240, "maximum": 10000 }
}
},
"boundaries": {
"type": "object",
"additionalProperties": { "$ref": "#/$defs/boundaryGeometry" }
},
"nodes": {
"type": "object",
"additionalProperties": { "$ref": "#/$defs/nodeGeometry" }
},
"edges": {
"type": "object",
"additionalProperties": { "$ref": "#/$defs/edgeGeometry" }
}
},
"$defs": {
"point": {
"type": "object",
"additionalProperties": false,
"required": ["x", "y"],
"properties": {
"x": { "type": "number", "minimum": 0, "maximum": 10000 },
"y": { "type": "number", "minimum": 0, "maximum": 10000 }
}
},
"port": {
"type": "object",
"additionalProperties": false,
"required": ["side", "offset"],
"properties": {
"side": { "enum": ["top", "right", "bottom", "left"] },
"offset": { "type": "number", "minimum": 0, "maximum": 1 }
}
},
"nodeGeometry": {
"type": "object",
"additionalProperties": false,
"required": ["x", "y", "width", "height"],
"properties": {
"x": { "type": "number", "minimum": 0, "maximum": 10000 },
"y": { "type": "number", "minimum": 0, "maximum": 10000 },
"width": { "type": "number", "minimum": 40, "maximum": 3000 },
"height": { "type": "number", "minimum": 30, "maximum": 3000 }
}
},
"boundaryGeometry": {
"type": "object",
"additionalProperties": false,
"required": ["x", "y", "width", "height"],
"properties": {
"x": { "type": "number", "minimum": 0, "maximum": 10000 },
"y": { "type": "number", "minimum": 0, "maximum": 10000 },
"width": { "type": "number", "minimum": 120, "maximum": 10000 },
"height": { "type": "number", "minimum": 80, "maximum": 10000 }
}
},
"edgeGeometry": {
"type": "object",
"additionalProperties": false,
"required": ["source", "target"],
"properties": {
"source": { "$ref": "#/$defs/port" },
"target": { "$ref": "#/$defs/port" },
"waypoints": {
"type": "array",
"maxItems": 20,
"items": { "$ref": "#/$defs/point" }
},
"label": { "$ref": "#/$defs/point" }
}
}
}
}