feat(schedule): add durable after reminders

packages/host/apiproxy/src/api/events.schema.ts

@@ -11,7 +11,7 @@ import type { Wire } from './rpc.schema.ts'
 import { rpcErrorSchema, rpcIdSchema } from './rpc.schema.ts'
 import { approvalRequestIdSchema } from './approvals.schema.ts'
 import {
-  contentBlockSchema, messageIdSchema, sessionEventSchema, sessionIdSchema, toolEventViewSchema,
+  contentBlockSchema, messageIdSchema, sessionEventSchema, sessionEventViewSchema, sessionIdSchema,
 } from './sessions.schema.ts'
 import { workspaceIdSchema, workspaceViewSchema } from './workspace.schema.ts'
 
@@ -40,7 +40,7 @@ const messageSchema = z.object({
 
 /** MuxFrame union (payload slot of a mux-stream ServerRequest). */
 export const muxFrameSchema = z.discriminatedUnion('type', [
-  z.object({ type: z.literal('session/event'), sessionId: sessionIdSchema, event: sessionEventSchema, view: toolEventViewSchema.optional() }),
+  z.object({ type: z.literal('session/event'), sessionId: sessionIdSchema, event: sessionEventSchema, view: sessionEventViewSchema.optional() }),
   z.object({ type: z.literal('session/subscribed'), sessionId: sessionIdSchema, lastSeq: z.number().int() }),
   z.object({ type: z.literal('approval/requested'), sessionId: sessionIdSchema, approvalId: approvalRequestIdSchema, toolName: z.string(), callId: z.string().optional(), reason: z.string().optional() }),
   z.object({ type: z.literal('approval/resolved'), sessionId: sessionIdSchema, approvalId: approvalRequestIdSchema, outcome: z.union([z.literal('allowed-once'), z.literal('rejected'), z.literal('cancelled'), z.literal('unavailable')]) }),

packages/host/apiproxy/src/api/events.ts

@@ -32,6 +32,21 @@ export type ToolEventView =
   | { for: 'call'; view: ToolCallView }
   | { for: 'result'; view: ToolResultView }
 
+/**
+ * Host-computed presentation for one non-surface Session event. The domain
+ * owns the presentation key and JSON-compatible view shape; the carrier keeps
+ * both generic so an opt-in client plugin can render the event without adding
+ * domain vocabulary to the connection package.
+ */
+export interface PresentedEventView {
+  for: 'event'
+  presentationKey: string
+  view: unknown
+}
+
+/** Optional non-persistent presentation sidecar for one Session event. */
+export type SessionEventView = ToolEventView | PresentedEventView
+
 /** One pending inbox occurrence in the authoritative `session/queue` snapshot. */
 export interface QueuedInboxItem {
   /** Message identity used by inbox mutations. */
@@ -66,7 +81,7 @@ export interface EventsApi {
  * approval/question frames (requested = answerable server-request, the rest are pure pushes).
  */
 export type MuxFrame =
-  | { type: 'session/event'; sessionId: SessionId; event: SessionEvent; view?: ToolEventView }
+  | { type: 'session/event'; sessionId: SessionId; event: SessionEvent; view?: SessionEventView }
   | { type: 'session/subscribed'; sessionId: SessionId; lastSeq: number }
   | { type: 'approval/requested'; sessionId: SessionId; approvalId: ApprovalRequestId; toolName: string; callId?: CallId; reason?: string }
   | { type: 'approval/resolved'; sessionId: SessionId; approvalId: ApprovalRequestId; outcome: ApprovalOutcome }

packages/host/apiproxy/src/api/index.ts

@@ -48,7 +48,10 @@ export type {
 export type { WorkspaceApi, WorkspaceId, WorkspaceView } from './workspace.ts'
 export type { CommandsApi, CommandDescriptor } from './commands.ts'
 export type { SkillsApi, SkillEntry } from './skills.ts'
-export type { EventsApi, MuxFrame, HostFrame, QueuedInboxItem, ToolCallView, ToolEventView, ToolResultView } from './events.ts'
+export type {
+  EventsApi, HostFrame, MuxFrame, PresentedEventView, QueuedInboxItem,
+  SessionEventView, ToolCallView, ToolEventView, ToolResultView,
+} from './events.ts'
 export type { GoalsApi, GoalId, GoalRef } from './goals.ts'
 export type { SettingsApi, SettingsNamespaceView, SettingsPathOpView, SettingsSecretView } from './settings.ts'
 export type { CredentialsApi, CredentialView } from './credentials.ts'

packages/host/apiproxy/src/api/sessions.schema.ts

@@ -14,7 +14,7 @@ import type {
   HistoryEntry, ModelCatalogFailure, ModelCatalogModel, ModelProviderGroup, ModelReasoning,
   ModelReasoningEffort, ModelSelection, SessionProjectionsBlock, SessionSearchItem, SessionSummary,
 } from './sessions.ts'
-import type { ToolEventView } from './events.ts'
+import type { SessionEventView, ToolEventView } from './events.ts'
 import type { WorkspaceId } from './workspace.ts'
 import {
   SESSION_SEARCH_RESULT_LIMIT,
@@ -193,10 +193,26 @@ export const toolEventViewSchema = z.discriminatedUnion('for', [
   z.object({ for: z.literal('result'), view: z.looseObject({ card: z.string() }) }),
 ]) as unknown as z.ZodType<ToolEventView>
 
-/** One session.history item: the session event plus its optional host-computed tool view. */
+/** Domain-owned presented-event sidecar with a carrier-validated key and present payload. */
+const presentedEventViewSchema = z.object({
+  for: z.literal('event'),
+  presentationKey: z.string().min(1),
+  view: z.unknown(),
+}).refine(value => Object.hasOwn(value, 'view'), {
+  message: 'presented event view payload is required',
+  path: ['view'],
+})
+
+/** Any optional host-computed sidecar carried with a Session event. */
+export const sessionEventViewSchema = z.union([
+  toolEventViewSchema,
+  presentedEventViewSchema,
+]) as unknown as z.ZodType<SessionEventView>
+
+/** One session.history item: the session event plus its optional host-computed view. */
 export const historyEntrySchema: z.ZodType<Wire<HistoryEntry>> = z.object({
   event: sessionEventSchema,
-  view: toolEventViewSchema.optional(),
+  view: sessionEventViewSchema.optional(),
 }) as unknown as z.ZodType<Wire<HistoryEntry>>
 
 /**

packages/host/apiproxy/src/api/sessions.ts

@@ -11,7 +11,7 @@ import type { SessionEvent, SessionId } from '@deepseek-ai/dsh-session/types'
 // cordis Context merge (via dsh-agent) must not enter client aggregates.
 import type { SessionProjectionMap } from '@deepseek-ai/dsh-session-projection/types'
 import type { RpcId, RpcRequest, RpcResponse } from './rpc.ts'
-import type { ToolEventView } from './events.ts'
+import type { SessionEventView } from './events.ts'
 import type { WorkspaceId } from './workspace.ts'
 
 declare module '@deepseek-ai/dsh-llm' {
@@ -33,7 +33,7 @@ declare module '@deepseek-ai/dsh-llm' {
  */
 export interface HistoryEntry {
   event: SessionEvent
-  view?: ToolEventView
+  view?: SessionEventView
 }
 
 /**