feat(core): API-managed per-session context entries (#34941)

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Kit Langton 2026-07-02 10:05:47 -04:00 committed by GitHub
commit 7843f8fb38
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18 changed files with 783 additions and 146 deletions

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@ -23,6 +23,7 @@ import { InstructionContext } from "../../instruction-context"
import { SkillGuidance } from "../../skill/guidance"
import { ReferenceGuidance } from "../../reference/guidance"
import { McpGuidance } from "../../mcp/guidance"
import { SessionContextEntry } from "../context-entry"
import { ToolRegistry } from "../../tool/registry"
import { ToolOutputStore } from "../../tool-output-store"
import { SessionContextCheckpoint } from "../context-checkpoint"
@ -108,6 +109,7 @@ const layer = Layer.effect(
const skillGuidance = yield* SkillGuidance.Service
const referenceGuidance = yield* ReferenceGuidance.Service
const mcpGuidance = yield* McpGuidance.Service
const contextEntries = yield* SessionContextEntry.Service
const snapshots = yield* Snapshot.Service
const db = (yield* Database.Service).db
const compaction = yield* SessionCompaction.Service
@ -171,7 +173,7 @@ const layer = Layer.effect(
const continueAfterOverflowCompaction = (step: number) =>
new TurnTransitionError({ _tag: "ContinueAfterOverflowCompaction", step })
const loadSystemContext = (agent: AgentV2.Selection) =>
const loadSystemContext = (agent: AgentV2.Selection, sessionID: SessionSchema.ID) =>
Effect.all(
[
builtins.load(),
@ -179,6 +181,7 @@ const layer = Layer.effect(
skillGuidance.load(agent),
referenceGuidance.load(),
mcpGuidance.load(agent),
contextEntries.load(sessionID),
],
{ concurrency: "unbounded" },
).pipe(Effect.map(SystemContext.combine))
@ -195,7 +198,12 @@ const layer = Layer.effect(
const agent = yield* agents.select(session.agent)
// Establish what the model knows before admitting what the user said, so
// a blocked first turn leaves pending inputs untouched.
const checkpoint = yield* SessionContextCheckpoint.prepare(db, events, loadSystemContext(agent), session.id)
const checkpoint = yield* SessionContextCheckpoint.prepare(
db,
events,
loadSystemContext(agent, session.id),
session.id,
)
const toolFibers = yield* FiberSet.make<void, ToolOutputStore.Error>()
let needsContinuation = false
let currentStep = step
@ -437,18 +445,15 @@ const layer = Layer.effect(
Effect.gen(function* () {
const failure =
Exit.isFailure(exit) && !Cause.hasInterrupts(exit.cause) ? Cause.squash(exit.cause) : undefined
yield* events.publish(
SessionEvent.ExecutionSettled,
{
sessionID: input.sessionID,
timestamp: yield* DateTime.now,
outcome: Exit.isSuccess(exit) ? "success" : Cause.hasInterrupts(exit.cause) ? "interrupted" : "failure",
error:
failure !== undefined
? { type: "unknown", message: failure instanceof Error ? failure.message : String(failure) }
: undefined,
},
)
yield* events.publish(SessionEvent.ExecutionSettled, {
sessionID: input.sessionID,
timestamp: yield* DateTime.now,
outcome: Exit.isSuccess(exit) ? "success" : Cause.hasInterrupts(exit.cause) ? "interrupted" : "failure",
error:
failure !== undefined
? { type: "unknown", message: failure instanceof Error ? failure.message : String(failure) }
: undefined,
})
}).pipe(
Effect.catchCause(() => Effect.void),
Effect.asVoid,
@ -479,6 +484,7 @@ export const node = makeLocationNode({
SkillGuidance.node,
ReferenceGuidance.node,
McpGuidance.node,
SessionContextEntry.node,
SessionCompaction.node,
SessionTitle.node,
Config.node,