refactor(core): move database schema ownership (#29068)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

packages/opencode/src/session/retry.ts

@@ -1,4 +1,5 @@
 import type { NamedError } from "@opencode-ai/core/util/error"
+import { SessionLegacy } from "@opencode-ai/core/session/legacy"
 import { Cause, Clock, Duration, Effect, Schedule } from "effect"
 import { MessageV2 } from "./message-v2"
 import { iife } from "@/util/iife"
@@ -31,7 +32,7 @@ function cap(ms: number) {
   return Math.min(ms, RETRY_MAX_DELAY)
 }
 
-export function delay(attempt: number, error?: MessageV2.APIError) {
+export function delay(attempt: number, error?: SessionLegacy.APIError) {
   if (error) {
     const headers = error.data.responseHeaders
     if (headers) {
@@ -66,8 +67,8 @@ export function delay(attempt: number, error?: MessageV2.APIError) {
 
 export function retryable(error: Err, provider: string) {
   // context overflow errors should not be retried
-  if (MessageV2.ContextOverflowError.isInstance(error)) return undefined
-  if (MessageV2.APIError.isInstance(error)) {
+  if (SessionLegacy.ContextOverflowError.isInstance(error)) return undefined
+  if (SessionLegacy.APIError.isInstance(error)) {
     const status = error.data.statusCode
     // 5xx errors are transient server failures and should always be retried,
     // even when the provider SDK doesn't explicitly mark them as retryable.
@@ -183,7 +184,7 @@ export function policy(opts: {
       const retry = retryable(error, opts.provider)
       if (!retry) return Cause.done(meta.attempt)
       return Effect.gen(function* () {
-        const wait = delay(meta.attempt, MessageV2.APIError.isInstance(error) ? error : undefined)
+        const wait = delay(meta.attempt, SessionLegacy.APIError.isInstance(error) ? error : undefined)
         const now = yield* Clock.currentTimeMillis
         yield* opts.set({
           attempt: meta.attempt,