feat: add TypeRT remote gateway infrastructure

packages/core/session/package.json

@@ -38,6 +38,7 @@
     "@deepseek-ai/dsh-invariants": "^0.0.1",
     "@deepseek-ai/dsh-llm": "^0.0.1",
     "@deepseek-ai/dsh-scope": "^0.0.1",
+    "@deepseek-ai/dsh-type-meta": "^0.0.1",
     "cordis": "^4.0.0-rc.7"
   },
   "devDependencies": {
@@ -45,6 +46,8 @@
     "@deepseek-ai/dsh-invariants": "workspace:^",
     "@deepseek-ai/dsh-llm": "workspace:^",
     "@deepseek-ai/dsh-scope": "workspace:^",
+    "@deepseek-ai/dsh-type-meta": "workspace:^",
+    "@deepseek-ai/dsh-typert-registry": "workspace:^",
     "cordis": "^4.0.0-rc.7"
   }
 }

packages/core/session/src/index.ts

@@ -13,6 +13,7 @@ import { scopeOf, scopeTarget } from '@deepseek-ai/dsh-scope'
 import type { Scoped } from '@deepseek-ai/dsh-scope'
 import type { Message } from '@deepseek-ai/dsh-llm'
 import { SESSION_FORMAT_VERSION, SessionId } from './types.ts'
+import type { TypeRTLookup } from '@deepseek-ai/dsh-type-meta'
 import type { CreateSessionOptions, EpochHeader, PrepareSessionOptions, RequestContext, SessionEvent, SessionEventMap, SessionEventType, SessionHeader, SurfaceIntent, SurfaceEventType } from './types.ts'
 import { snapshotJsonValue } from './json.ts'
 import { deriveEventMessage, SurfaceManager } from './surface.ts'
@@ -105,6 +106,12 @@ declare module 'cordis' {
   }
 }
 
+declare module '@deepseek-ai/dsh-type-meta' {
+  interface TypeRTLookupMap {
+    session: TypeRTLookup<Session, SessionId>
+  }
+}
+
 /** Validate and freeze one detached creation header in place. */
 function validateSessionHeader(id: SessionId, input: unknown): SessionHeader {
   if (input === null || typeof input !== 'object' || Array.isArray(input)) {
@@ -803,6 +810,15 @@ export class SessionStore extends Service {
 
   constructor(ctx: Context) {
     super(ctx, 'sessions')
+    ctx.inject(['typert'], (typeCtx) => {
+      typeCtx.typert.lookups.register('session', {
+        parameter: 'session',
+        wire: 'sessionId',
+        hostTypeSymbol: '@deepseek-ai/dsh-session#Session',
+        wireTypeSymbol: '@deepseek-ai/dsh-session/types#SessionId',
+        resolve: sessionId => this.get(sessionId),
+      })
+    })
   }
 
   /**

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

@@ -0,0 +1,26 @@
+import { describe, expect, it } from 'vitest'
+import { Context } from 'cordis'
+import SessionStore, { SessionId } from '@deepseek-ai/dsh-session'
+import TypertRegistry from '@deepseek-ai/dsh-typert-registry'
+
+describe('Session TypeRT provider', () => {
+  it('contributes live Session lookup in either service load order', async () => {
+    const ctx = new Context()
+    const sessionFiber = ctx.plugin(SessionStore)
+    await sessionFiber
+    await ctx.plugin(TypertRegistry)
+    const session = ctx.sessions.create(SessionId('remote-session'))
+
+    const lookup = ctx.typert.lookups.get('session')
+    expect(lookup).toMatchObject({
+      parameter: 'session',
+      wire: 'sessionId',
+      hostTypeSymbol: '@deepseek-ai/dsh-session#Session',
+      wireTypeSymbol: '@deepseek-ai/dsh-session/types#SessionId',
+    })
+    expect(lookup?.resolve(session.id)).toBe(session)
+
+    await sessionFiber.dispose()
+    expect(ctx.typert.lookups.get('session')).toBeUndefined()
+  })
+})

packages/core/session/tsconfig.json

@@ -25,6 +25,9 @@
     },
     {
       "path": "../../support/invariants"
+    },
+    {
+      "path": "../../typert/type-meta"
     }
   ]
 }