[wp-trac] [WordPress Trac] #64955: Add schema compiler for AI tool calling compatibility

[WordPress Trac]

#64955: Add schema compiler for AI tool calling compatibility
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 Reporter:  gziolo                    |       Owner:  gziolo
     Type:  enhancement               |      Status:  assigned
 Priority:  normal                    |   Milestone:  7.1
Component:  Abilities API             |     Version:  6.9
 Severity:  normal                    |  Resolution:
 Keywords:  has-patch has-unit-tests  |     Focuses:  rest-api
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Comment (by gziolo):

 In [changeset:"62449" 62449]:
 {{{
 #!CommitTicketReference repository="" revision="62449"
 Abilities API: Normalize `required` schema shape for REST responses

 Ability schemas are a public contract that REST clients, including the
 `@wordpress/abilities` JavaScript client, validate against as standard
 JSON Schema. The `required` keyword must therefore use the draft-04 array-
 of-property-names form, not the draft-03 per-property boolean that
 `rest_validate_value_from_schema()` also accepts on the server.

 In `WP_REST_Abilities_V1_List_Controller::prepare_schema_for_response()`,
 collect per-property `required: true` booleans into a parent `required`
 array, recursively and inside array `items`. Strip `required: false` and
 boolean `required` values with no draft-04 equivalent, and honor
 `rest_validate_object_value_from_schema()` precedence where an existing
 draft-04 array wins. Only the REST response copy is rewritten; stored
 schemas and server-side validation are unchanged.

 Props gziolo, westonruter, jorgefilipecosta.
 See #64955.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64955#comment:21>
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