Merge remote-tracking branch 'origin/master' into worktree/provider-routed-llm-adapters

# Conflicts:
#	docs/cordis-catalog/services.md
#	docs/event-producer-consumer.md
#	packages/core/session/README.md
#	packages/core/session/tests/tool-pairing.spec.ts
#	website/zh-CN/api/harness/sessions.md

packages/core/session/src/index.ts

@@ -24,7 +24,6 @@ export type { JsonValue } from './json.ts'
 export { interruptedTurnClosers } from './repair.ts'
 export type { SurfaceFoldReplacement, SurfaceFoldResult, SurfaceNode } from './surface.ts'
 export { foldSurface, isSurfaceEvent, isSurfaceEligibleType } from './surface.ts'
-export { isToolPairingBalanced } from './tool-pairing.ts'
 export { applyHeaderDelta, canonicalHeader, diffHeader, foldRequestHeader, headerEquals } from './request-header.ts'
 
 declare module 'cordis' {