refactor(session): unify event map augmentation entrypoint

packages/core/agent/src/types.ts

@@ -290,7 +290,7 @@ declare module 'cordis' {
   }
 }
 
-declare module '@deepseek-ai/dsh-session' {
+declare module '@deepseek-ai/dsh-session/types' {
   interface SessionEventMap {
     /**
      * One normalized mutation of an agent's durable pending-message lists.

packages/core/session/tests/fork.spec.ts

@@ -4,7 +4,7 @@ import { createUserMessage, CallId , createMessage } from '@deepseek-ai/dsh-llm'
 import SessionStore, { Session, SessionForkError, SessionId } from '@deepseek-ai/dsh-session'
 import type { SessionEvent, TurnEndReason } from '@deepseek-ai/dsh-session'
 
-declare module '@deepseek-ai/dsh-session' {
+declare module '@deepseek-ai/dsh-session/types' {
   interface SessionEventMap {
     'test/log-only': { value: string }
     /** Stands in for a plugin's open/close bracket (`compact/start`). */

packages/core/session/tests/gen-persistence-catalog.spec.ts

@@ -35,7 +35,7 @@ const make = (files: Record<string, string>): string => {
 
 /** A merge-form declaration file wrapping `members` in the session module. */
 const merge = (members: string): string =>
-  `declare module '@deepseek-ai/dsh-session' {\n  interface SessionEventMap {\n${members}\n  }\n}\n`
+  `declare module '@deepseek-ai/dsh-session/types' {\n  interface SessionEventMap {\n${members}\n  }\n}\n`
 
 afterEach(() => {
   while (roots.length) rmSync(roots.pop()!, { recursive: true, force: true })

packages/core/tools/src/code-mode.ts

@@ -15,7 +15,7 @@ import { defineTool, parameterSchemaSpecToJsonSchema } from './schema.ts'
 import { TOOL_REGISTRY_SCHEDULER } from './index.ts'
 import type { CodeDispatchLog, ToolDefinition, ToolExecutionResult, ToolRegistry, ToolRunContext } from './index.ts'
 
-declare module '@deepseek-ai/dsh-session' {
+declare module '@deepseek-ai/dsh-session/types' {
   interface SessionEventMap {
     /**
      * One sub-dispatch STARTING inside a `run_code` program: the parent