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

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

packages/opencode/test/session/snapshot-tool-race.test.ts

@@ -22,6 +22,7 @@ import { SessionPrompt } from "../../src/session/prompt"
 import { SessionRevert } from "../../src/session/revert"
 import { SessionSummary } from "../../src/session/summary"
 import { MessageV2 } from "../../src/session/message-v2"
+import { SessionLegacy } from "@opencode-ai/core/session/legacy"
 import * as Log from "@opencode-ai/core/util/log"
 import { provideTmpdirServer } from "../fixture/fixture"
 import { testEffect } from "../lib/effect"
@@ -29,10 +30,11 @@ import { TestLLMServer } from "../lib/llm-server"
 
 // Same layer setup as prompt-effect.test.ts
 import { NodeFileSystem } from "@effect/platform-node"
+import { Database } from "@opencode-ai/core/database/database"
+import { EventV2Bridge } from "@/event-v2-bridge"
 import { Agent as AgentSvc } from "../../src/agent/agent"
 import { BackgroundJob } from "@/background/job"
 import { Git } from "../../src/git"
-import { Bus } from "../../src/bus"
 import { Command } from "../../src/command"
 import { Config } from "@/config/config"
 import { LSP } from "@/lsp/lsp"
@@ -60,9 +62,7 @@ import { Ripgrep } from "../../src/file/ripgrep"
 import { Format } from "../../src/format"
 import { Reference } from "../../src/reference/reference"
 import { RepositoryCache } from "../../src/reference/repository-cache"
-import { SyncEvent } from "@/sync"
 import { RuntimeFlags } from "@/effect/runtime-flags"
-import { EventV2Bridge } from "@/event-v2-bridge"
 
 void Log.init({ print: false })
 
@@ -109,7 +109,7 @@ const lsp = Layer.succeed(
   }),
 )
 
-const status = SessionStatus.layer.pipe(Layer.provideMerge(Bus.layer))
+const status = SessionStatus.layer.pipe(Layer.provideMerge(EventV2Bridge.defaultLayer))
 const run = SessionRunState.layer.pipe(Layer.provide(status))
 const infra = Layer.mergeAll(NodeFileSystem.layer, CrossSpawnSpawner.defaultLayer)
 
@@ -130,7 +130,7 @@ function makeHttp() {
     AppFileSystem.defaultLayer,
     BackgroundJob.defaultLayer,
     status,
-    SyncEvent.defaultLayer,
+    Database.defaultLayer,
     EventV2Bridge.defaultLayer,
   ).pipe(Layer.provideMerge(infra))
   const question = Question.layer.pipe(Layer.provideMerge(deps))
@@ -259,7 +259,7 @@ it.live("tool execution produces non-empty session diff (snapshot race)", () =>
       const allMsgs = yield* MessageV2.filterCompactedEffect(session.id)
       const tool = allMsgs
         .flatMap((m) => m.parts)
-        .find((p): p is MessageV2.ToolPart => p.type === "tool" && p.tool === "bash")
+        .find((p): p is SessionLegacy.ToolPart => p.type === "tool" && p.tool === "bash")
       expect(tool?.state.status).toBe("completed")
 
       // Poll for diff — summarize() is fire-and-forget