fix: address cubic review — SDK compatibility and race condition fixes

src/hooks/preemptive-compaction-degradation-monitor.ts

@@ -1,12 +1,15 @@
 import type { OhMyOpenCodeConfig } from "../config"
 import { log } from "../shared/logger"
-import { isStepOnlyNoTextParts, resolveNoTextTailFromSession } from "./preemptive-compaction-no-text-tail"
+import { resolveNoTextTailFromSession } from "./preemptive-compaction-no-text-tail"
 import { resolveCompactionModel } from "./shared/compaction-model-resolver"
 
 const PREEMPTIVE_COMPACTION_TIMEOUT_MS = 120_000
 const POST_COMPACTION_MONITOR_COUNT = 5
 const POST_COMPACTION_NO_TEXT_THRESHOLD = 3
 
+declare function setTimeout(handler: () => void, timeout?: number): unknown
+declare function clearTimeout(timeoutID: unknown): void
+
 interface CompactionTargetState {
   providerID: string
   modelID: string
@@ -16,12 +19,12 @@ interface ClientLike {
   session: {
     summarize: (input: {
       path: { id: string }
-      body: { providerID: string; modelID: string; auto: true }
+      body: { providerID: string; modelID: string }
       query: { directory: string }
     }) => Promise<unknown>
     messages: (input: {
-      path: { id: string }
-      query: { directory: string }
+      sessionID: string
+      directory: string
     }) => Promise<unknown>
   }
   tui: {
@@ -39,7 +42,6 @@ interface ClientLike {
 export interface AssistantCompactionMessageInfo {
   sessionID: string
   id?: string
-  parts?: unknown
 }
 
 async function withTimeout<TValue>(
@@ -47,7 +49,7 @@ async function withTimeout<TValue>(
   timeoutMs: number,
   errorMessage: string,
 ): Promise<TValue> {
-  let timeoutID: ReturnType<typeof setTimeout> | undefined
+  let timeoutID: unknown
 
   const timeoutPromise = new Promise<never>((_, reject) => {
     timeoutID = setTimeout(() => {
@@ -56,7 +58,7 @@ async function withTimeout<TValue>(
   })
 
   return await Promise.race([promise, timeoutPromise]).finally(() => {
-    if (timeoutID !== undefined) clearTimeout(timeoutID)
+    clearTimeout(timeoutID)
   })
 }
 
@@ -71,14 +73,18 @@ export function createPostCompactionDegradationMonitor(args: {
   const postCompactionRemaining = new Map<string, number>()
   const postCompactionNoTextStreak = new Map<string, number>()
   const postCompactionRecoveryTriggered = new Set<string>()
+  const postCompactionEpoch = new Map<string, number>()
 
   const clear = (sessionID: string): void => {
     postCompactionRemaining.delete(sessionID)
     postCompactionNoTextStreak.delete(sessionID)
     postCompactionRecoveryTriggered.delete(sessionID)
+    postCompactionEpoch.delete(sessionID)
   }
 
   const onSessionCompacted = (sessionID: string): void => {
+    const nextEpoch = (postCompactionEpoch.get(sessionID) ?? 0) + 1
+    postCompactionEpoch.set(sessionID, nextEpoch)
     postCompactionRemaining.set(sessionID, POST_COMPACTION_MONITOR_COUNT)
     postCompactionNoTextStreak.set(sessionID, 0)
     postCompactionRecoveryTriggered.delete(sessionID)
@@ -95,6 +101,7 @@ export function createPostCompactionDegradationMonitor(args: {
 
     postCompactionRecoveryTriggered.add(sessionID)
     compactionInProgress.add(sessionID)
+    const recoveryEpoch = postCompactionEpoch.get(sessionID) ?? 0
 
     try {
       const { providerID: targetProviderID, modelID: targetModelID } = resolveCompactionModel(
@@ -118,7 +125,7 @@ export function createPostCompactionDegradationMonitor(args: {
       await withTimeout(
         client.session.summarize({
           path: { id: sessionID },
-          body: { providerID: targetProviderID, modelID: targetModelID, auto: true },
+          body: { providerID: targetProviderID, modelID: targetModelID },
           query: { directory },
         }),
         PREEMPTIVE_COMPACTION_TIMEOUT_MS,
@@ -133,7 +140,9 @@ export function createPostCompactionDegradationMonitor(args: {
       })
     } finally {
       compactionInProgress.delete(sessionID)
-      clear(sessionID)
+      if ((postCompactionEpoch.get(sessionID) ?? 0) === recoveryEpoch) {
+        clear(sessionID)
+      }
     }
   }
 
@@ -147,13 +156,12 @@ export function createPostCompactionDegradationMonitor(args: {
       postCompactionRemaining.set(info.sessionID, remaining - 1)
     }
 
-    const isNoTextTail = isStepOnlyNoTextParts(info.parts)
-      || await resolveNoTextTailFromSession({
-        client,
-        sessionID: info.sessionID,
-        messageID: info.id,
-        directory,
-      })
+    const isNoTextTail = await resolveNoTextTailFromSession({
+      client,
+      sessionID: info.sessionID,
+      messageID: info.id,
+      directory,
+    })
 
     if (!isNoTextTail) {
       postCompactionNoTextStreak.set(info.sessionID, 0)

src/hooks/preemptive-compaction-no-text-tail.ts

@@ -38,8 +38,8 @@ export async function resolveNoTextTailFromSession(args: {
   client: {
     session: {
       messages: (input: {
-        path: { id: string }
-        query: { directory: string }
+        sessionID: string
+        directory: string
       }) => Promise<unknown>
     }
   }
@@ -51,8 +51,8 @@ export async function resolveNoTextTailFromSession(args: {
 
   try {
     const response = await client.session.messages({
-      path: { id: sessionID },
-      query: { directory },
+      sessionID,
+      directory,
     })
 
     const messages = normalizeSDKResponse(response, [] as SessionMessage[], {

src/hooks/preemptive-compaction.ts

@@ -11,6 +11,9 @@ import { createPostCompactionDegradationMonitor } from "./preemptive-compaction-
 const PREEMPTIVE_COMPACTION_TIMEOUT_MS = 120_000
 const PREEMPTIVE_COMPACTION_THRESHOLD = 0.78
 
+declare function setTimeout(handler: () => void, timeout?: number): unknown
+declare function clearTimeout(timeoutID: unknown): void
+
 interface TokenInfo {
   input: number
   output: number
@@ -29,7 +32,7 @@ async function withTimeout<TValue>(
   timeoutMs: number,
   errorMessage: string,
 ): Promise<TValue> {
-  let timeoutID: ReturnType<typeof setTimeout> | undefined
+  let timeoutID: unknown
 
   const timeoutPromise = new Promise<never>((_, reject) => {
     timeoutID = setTimeout(() => {
@@ -38,9 +41,7 @@ async function withTimeout<TValue>(
   })
 
   return await Promise.race([promise, timeoutPromise]).finally(() => {
-    if (timeoutID !== undefined) {
-      clearTimeout(timeoutID)
-    }
+    clearTimeout(timeoutID)
   })
 }
 
@@ -165,7 +166,6 @@ export function createPreemptiveCompactionHook(
         modelID?: string
         finish?: boolean
         tokens?: TokenInfo
-        parts?: unknown
       } | undefined
 
       if (!info || info.role !== "assistant" || !info.finish || !info.sessionID) return
@@ -182,7 +182,6 @@ export function createPreemptiveCompactionHook(
       await postCompactionMonitor.onAssistantMessageUpdated({
         sessionID: info.sessionID,
         id: info.id,
-        parts: info.parts,
       })
     }
   }