diff --git a/skills/rig/rig.ts b/skills/rig/rig.ts
index 7842c60..ddbea68 100644
--- a/skills/rig/rig.ts
+++ b/skills/rig/rig.ts
@@ -1,5 +1,5 @@
 /**
- * @file skills/rig/rig.ts @last-analyzed c00c90c @edit-time 2026-10-13T06:52:32-07:00
+ * @file skills/rig/rig.ts @last-analyzed 9be671a @edit-time 2026-10-22T17:27:33-07:00
  * @purpose Minimal TypeScript agent harness: typed schemas, prompt intents, addons, workflows, Copilot SDK runtime, launcher CLI
  * @deps @github/copilot-sdk (CopilotClient,RuntimeConnection,approveAll); node:path,os,module,url,fs,fs/promises,child_process,util,async_hooks
  * T:Json type null|bool|num|str|Json[]|{[k]:Json}
@@ -26,6 +26,7 @@
  * s.nonEmptyString/url/path/date string refinements; s.positiveInt/nonNegativeInt/percent numeric refinements
  * s.array(items,desc?)/s.nonEmptyArray ArraySchema; s.object(props,desc?) ObjectSchema; s.record(val,desc?)/s.nonEmptyObject RecordSchema
  * s.optional(inner) optional field; s.nullable(inner) inner|null; s.enum(...values|values,desc?) EnumSchema; s.literal(v,desc?)
+ * s.toJsonSchema(schema) JsonSchemaObject alias of F:toJsonSchema [NEW]
  * p`...` PromptBuilder template tag; interpolates PromptIntent|string|PromptBuilder
  * p.bash(cmd,opts?)/p.bashRaw`cmd`/p.bashEach(tpl,field,opts?) bash declarations (not run in-process)
  * p.read(path,opts?)/readOptional/readAll/readInput(field)/readAllInput(field) file read declarations