chore: update OpenAPI spec from monorepo (#477)

Co-authored-by: OpenRouter SDK Bot <sdk-bot@openrouter.ai>

Author: openrouter-docs-sync[bot]

.speakeasy/in.openapi.yaml

@@ -6244,6 +6244,7 @@ components:
       enum:
         - 'redact'
         - 'block'
+        - 'flag'
       example: 'block'
       type: 'string'
     ContentFilterBuiltinAction:
@@ -6726,7 +6727,7 @@ components:
             - 'array'
             - 'null'
         content_filter_builtins:
-          description: 'Builtin content filters to apply. The "flag" action is only supported for "regex-prompt-injection"; PII slugs (email, phone, ssn, credit-card, ip-address, person-name, address) accept "block" or "redact" only.'
+          description: 'Builtin content filters to apply. Every builtin slug supports "block", "redact", and the detect-only "flag" action.'
           example:
             - action: 'block'
               slug: 'regex-prompt-injection'
@@ -22660,7 +22661,7 @@ components:
             - 'array'
             - 'null'
         content_filter_builtins:
-          description: 'Builtin content filters to apply. Set to null to remove. The "flag" action is only supported for "regex-prompt-injection"; PII slugs (email, phone, ssn, credit-card, ip-address, person-name, address) accept "block" or "redact" only.'
+          description: 'Builtin content filters to apply. Set to null to remove. Every builtin slug supports "block", "redact", and the detect-only "flag" action.'
           example:
             - action: 'block'
               slug: 'regex-prompt-injection'