Canon 0.6.0 freeze: ITC-CAP draft, AVT catalog, joinable review

Finish ITC-WP-0013 (AttributeValueType under ITC-DATA) and ITC-WP-0014
T02/T03/T05/T06/T07. Capability contract schemas, live-catalog review
CLI, landscape/kernel-map pointers. Sit on this version.

infospace/schemas/attribute-value-type.schema.yaml

@@ -0,0 +1,36 @@
+$schema: https://json-schema.org/draft/2020-12/schema
+$id: https://info-tech-canon.local/schemas/attribute-value-type.schema.yaml
+title: InfoTechCanon Attribute Value Type Catalog
+type: object
+required:
+  - canon
+  - types
+properties:
+  canon:
+    type: object
+    required: [id, version, owner]
+  types:
+    type: array
+    minItems: 1
+    items:
+      type: object
+      required: [id, status, kind, wire]
+      properties:
+        id:
+          type: string
+          pattern: "^[a-z][a-z0-9-]*$"
+        status:
+          enum: [current, reserved]
+        kind:
+          enum: [scalar, quantity, choice]
+        wire:
+          enum: [string, object, array, boolean]
+        representation:
+          type: string
+        requires_codelist:
+          type: [boolean, string]
+        aliases:
+          type: array
+          items:
+            type: string
+additionalProperties: true