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fix(tui): distinguish variant switch notices (#35315)

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Kit Langton 2026-07-04 10:58:56 -04:00 • committed by GitHub
commit 62af66a74f
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14 changed files with 98 additions and 21 deletions
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32
packages/core/src/session/message-updater.ts
View file

@ -8,6 +8,7 @@ export type MemoryState = {
}
export interface Adapter {
readonly getModel: () => Effect.Effect<SessionMessage.ModelSelected["model"] | undefined, never, never>
readonly getCurrentAssistant: () => Effect.Effect<SessionMessage.Assistant | undefined, never, never>
readonly getAssistant: (
messageID: SessionMessage.ID,
@ -29,6 +30,15 @@ export function memory(state: MemoryState): Adapter {
const latestAssistantIndex = () => state.messages.findLastIndex((message) => message.type === "assistant")
return {
getModel() {
return Effect.sync(
() =>
state.messages.findLast(
(message): message is SessionMessage.ModelSelected | SessionMessage.Assistant =>
message.type === "model-switched" || message.type === "assistant",
)?.model,
)
},
getCurrentAssistant() {
return Effect.sync(() => {
const index = latestAssistantIndex()
@ -115,15 +125,19 @@ export function update(adapter: Adapter, event: SessionEvent.Event) {
)
},
"session.model.selected": (event) => {
return adapter.appendMessage(
SessionMessage.ModelSelected.make({
id: SessionMessage.ID.fromEvent(event.id),
type: "model-switched",
metadata: event.metadata,
model: event.data.model,
time: { created: event.created },
}),
)
return Effect.gen(function* () {
const previous = yield* adapter.getModel()
yield* adapter.appendMessage(
SessionMessage.ModelSelected.make({
id: SessionMessage.ID.fromEvent(event.id),
type: "model-switched",
metadata: event.metadata,
model: event.data.model,
previous,
time: { created: event.created },
}),
)
})
},
"session.moved": () => Effect.void,
"session.renamed": () => Effect.void,

14
packages/core/src/session/projector.ts
View file

@ -5,6 +5,7 @@ import { DateTime, Effect, Layer, Schema } from "effect"
import { Database } from "../database/database"
import { EventV2 } from "../event"
import { makeGlobalNode } from "../effect/app-node"
import { ModelV2 } from "../model"
import { SessionEvent } from "./event"
import { SessionV1 } from "../v1/session"
import { WorkspaceTable } from "../control-plane/workspace.sql"
@ -356,6 +357,17 @@ function run(db: DatabaseService, event: MessageEvent) {
}
const appendMessage = (message: SessionMessage.Message) => insertMessage(db, event, message)
const adapter: SessionMessageUpdater.Adapter = {
getModel() {
return db
.select({ model: SessionTable.model })
.from(SessionTable)
.where(eq(SessionTable.id, event.data.sessionID))
.get()
.pipe(
Effect.orDie,
Effect.map((row) => (row?.model ? Schema.decodeUnknownSync(ModelV2.Ref)(row.model) : undefined)),
)
},
getCurrentAssistant() {
return Effect.gen(function* () {
// A newer step supersedes stale incomplete rows; never resume an older assistant projection.
@ -570,13 +582,13 @@ const layer = Layer.effectDiscard(
)
yield* events.project(SessionEvent.ModelSelected, (event) =>
Effect.gen(function* () {
yield* run(db, event)
yield* db
.update(SessionTable)
.set({ model: event.data.model, time_updated: DateTime.toEpochMillis(event.created) })
.where(eq(SessionTable.id, event.data.sessionID))
.run()
.pipe(Effect.orDie)
yield* run(db, event)
}),
)
yield* events.project(SessionEvent.Renamed, (event) =>