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feat(core): record title and compaction usage in session totals (#37441)

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Aiden Cline 2026-07-17 00:10:30 -05:00 • committed by GitHub
commit 73567f3570
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14 changed files with 234 additions and 74 deletions
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18
packages/schema/src/session-event.ts
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@ -86,6 +86,18 @@ export const Renamed = Event.durable({
})
export type Renamed = typeof Renamed.Type
export const UsageRecorded = Event.durable({
type: "session.usage.recorded",
...options,
schema: {
...Base,
source: Schema.Literals(["title", "compaction"]),
cost: Money.USD,
tokens: TokenUsage.Info,
},
})
export type UsageRecorded = typeof UsageRecorded.Type
export const UsageUpdated = Event.ephemeral({
type: "session.usage.updated",
schema: {
@ -569,8 +581,10 @@ export const Definitions = Event.inventory(
RevertEvent.Committed,
)
// UsageRecorded is durable but internal: excluded from Definitions so it never reaches the public manifest.
export const DurableDefinitions = Event.inventory(
...Definitions.filter((definition) => definition.durability === "durable"),
UsageRecorded,
)
export const Durable = Schema.Union(DurableDefinitions, { mode: "oneOf" })
@ -578,6 +592,8 @@ export const Durable = Schema.Union(DurableDefinitions, { mode: "oneOf" })
.annotate({ identifier: "Session.Event.Durable" })
export type DurableEvent = typeof Durable.Type
export const All = Schema.Union(Definitions, { mode: "oneOf" }).pipe(Schema.toTaggedUnion("type"))
export const All = Schema.Union(Event.inventory(...Definitions, UsageRecorded), { mode: "oneOf" }).pipe(
Schema.toTaggedUnion("type"),
)
export type Event = typeof All.Type
export type Type = Event["type"]

14
packages/schema/test/event-manifest.test.ts
View file

@ -104,6 +104,7 @@ describe("public event manifest", () => {
"session.model.selected.1",
"session.moved.1",
"session.renamed.1",
"session.usage.recorded.1",
"session.forked.2",
"session.input.promoted.1",
"session.input.admitted.1",
@ -139,9 +140,16 @@ describe("public event manifest", () => {
"session.revert.committed.1",
].toSorted(),
)
expect(SessionEvent.DurableDefinitions).toEqual(
SessionEvent.Definitions.filter((definition) => definition.durability === "durable"),
)
expect(SessionEvent.DurableDefinitions).toEqual([
...SessionEvent.Definitions.filter((definition) => definition.durability === "durable"),
SessionEvent.UsageRecorded,
])
expect(SessionEvent.UsageRecorded.durability).toBe("durable")
expect(EventManifest.Durable.get("session.usage.recorded.1")).toBe(SessionEvent.UsageRecorded)
expect(SessionEvent.Definitions).not.toContain(SessionEvent.UsageRecorded)
expect(EventManifest.Definitions).not.toContain(SessionEvent.UsageRecorded)
expect(EventManifest.ServerDefinitions).not.toContain(SessionEvent.UsageRecorded)
expect(EventManifest.Latest.has("session.usage.recorded")).toBe(false)
expect(SessionEvent.UsageUpdated.durability).toBe("ephemeral")
expect(SessionEvent.Compaction.Delta.durability).toBe("ephemeral")
expect(EventManifest.Durable.has("session.compaction.delta.1")).toBe(false)