Merge branch 'ia2'

Co-Authored-By: Claude Fable 5.1 <[email protected]>

# Conflicts:
#	CHANGELOG.md
#	docs/plan/00-first-version-plan.md
#	packages/agent/src/system-prompt.ts

packages/contracts/src/capabilities-io.ts

@@ -25,8 +25,10 @@ import {
   SiteAccountUserData,
   SiteAdapter,
   SiteAuthKind,
+  SiteCapability,
   SiteHealth,
   SiteHealthResult,
+  SiteKind,
   SiteLastHealth,
   SiteLoginResult,
   SiteUserDataPoint,
@@ -461,6 +463,10 @@ export const SiteBrief = z.object({
   id: Id,
   key: z.string(),
   name: z.string(),
+  /** 站点类型:pt / public_bt / rss_feed / torznab */
+  kind: SiteKind,
+  /** 实际可用的获取方式(search / list / rss / detail / login / userinfo) */
+  capabilities: z.array(SiteCapability),
   adapter: SiteAdapter,
   baseUrl: z.string(),
   enabled: z.boolean(),