[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:"62440" 62440]:
 {{{
 #!CommitTicketReference repository="" revision="62440"
 Abilities API: Add coverage for ignored schema
 `validate_callback`/`sanitize_callback`

 Add characterization tests documenting that an ability ignores two REST-
 style schema keywords:

 * `validate_callback` is never invoked. The REST request layer calls it,
 but `rest_validate_value_from_schema()` does not.
 * There is no sanitization pass, so `sanitize_callback` never runs and
 input reaches the execute callback uncoerced.

 Custom validation belongs in the `wp_ability_validate_input` /
 `wp_ability_validate_output` filters. Test-only change.

 `arg_options` is intentionally not covered here: it is a registration-time
 helper for `rest_get_endpoint_args_for_schema()` with no runtime meaning
 for abilities.

 Follow-up [61032], #64098.
 See #64955.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64955#comment:16>
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