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

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

packages/opencode/src/session/revert.ts

@@ -1,8 +1,8 @@
 import { Effect, Layer, Context, Schema } from "effect"
-import { Bus } from "../bus"
+import { SessionLegacy } from "@opencode-ai/core/session/legacy"
+import { EventV2Bridge } from "@/event-v2-bridge"
 import { Snapshot } from "../snapshot"
 import { Storage } from "@/storage/storage"
-import { SyncEvent } from "../sync"
 import * as Log from "@opencode-ai/core/util/log"
 import * as Session from "./session"
 import { MessageV2 } from "./message-v2"
@@ -33,15 +33,14 @@ export const layer = Layer.effect(
     const sessions = yield* Session.Service
     const snap = yield* Snapshot.Service
     const storage = yield* Storage.Service
-    const bus = yield* Bus.Service
+    const events = yield* EventV2Bridge.Service
     const summary = yield* SessionSummary.Service
     const state = yield* SessionRunState.Service
-    const sync = yield* SyncEvent.Service
 
     const revert = Effect.fn("SessionRevert.revert")(function* (input: RevertInput) {
       yield* state.assertNotBusy(input.sessionID)
       const all = yield* sessions.messages({ sessionID: input.sessionID }).pipe(Effect.orDie)
-      let lastUser: MessageV2.User | undefined
+      let lastUser: SessionLegacy.User | undefined
       const session = yield* sessions.get(input.sessionID).pipe(Effect.orDie)
 
       let rev: Session.Info["revert"]
@@ -77,7 +76,7 @@ export const layer = Layer.effect(
       const range = all.filter((msg) => msg.info.id >= rev.messageID)
       const diffs = yield* summary.computeDiff({ messages: range })
       yield* storage.write(["session_diff", input.sessionID], diffs).pipe(Effect.ignore)
-      yield* bus.publish(Session.Event.Diff, { sessionID: input.sessionID, diff: diffs })
+      yield* events.publish(Session.Event.Diff, { sessionID: input.sessionID, diff: diffs })
       yield* sessions.setRevert({
         sessionID: input.sessionID,
         revert: rev,
@@ -105,8 +104,8 @@ export const layer = Layer.effect(
       const sessionID = session.id
       const msgs = yield* sessions.messages({ sessionID }).pipe(Effect.orDie)
       const messageID = session.revert.messageID
-      const remove = [] as MessageV2.WithParts[]
-      let target: MessageV2.WithParts | undefined
+      const remove = [] as SessionLegacy.WithParts[]
+      let target: SessionLegacy.WithParts | undefined
       for (const msg of msgs) {
         if (msg.info.id < messageID) continue
         if (msg.info.id > messageID) {
@@ -120,10 +119,7 @@ export const layer = Layer.effect(
         remove.push(msg)
       }
       for (const msg of remove) {
-        yield* sync.run(MessageV2.Event.Removed, {
-          sessionID,
-          messageID: msg.info.id,
-        })
+        yield* sessions.removeMessage({ sessionID, messageID: msg.info.id })
       }
       if (session.revert.partID && target) {
         const partID = session.revert.partID
@@ -132,11 +128,7 @@ export const layer = Layer.effect(
           const removeParts = target.parts.slice(idx)
           target.parts = target.parts.slice(0, idx)
           for (const part of removeParts) {
-            yield* sync.run(MessageV2.Event.PartRemoved, {
-              sessionID,
-              messageID: target.info.id,
-              partID: part.id,
-            })
+            yield* sessions.removePart({ sessionID, messageID: target.info.id, partID: part.id })
           }
         }
       }
@@ -153,9 +145,8 @@ export const defaultLayer = Layer.suspend(() =>
     Layer.provide(Session.defaultLayer),
     Layer.provide(Snapshot.defaultLayer),
     Layer.provide(Storage.defaultLayer),
-    Layer.provide(Bus.layer),
+    Layer.provide(EventV2Bridge.defaultLayer),
     Layer.provide(SessionSummary.defaultLayer),
-    Layer.provide(SyncEvent.defaultLayer),
   ),
 )