feat(core): add session snapshot and revert system (#33226)

packages/core/test/session-runner-recorded.test.ts

@@ -12,6 +12,8 @@ import { Project } from "@opencode-ai/core/project"
 import { ProjectTable } from "@opencode-ai/core/project/sql"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { SessionV2 } from "@opencode-ai/core/session"
+import { LocationServiceMap } from "@opencode-ai/core/location-layer"
+import { Snapshot } from "@opencode-ai/core/snapshot"
 import { Prompt } from "@opencode-ai/core/session/prompt"
 import { SessionProjector } from "@opencode-ai/core/session/projector"
 import { SessionExecution } from "@opencode-ai/core/session/execution"
@@ -71,6 +73,7 @@ const skillGuidance = Layer.mock(SkillGuidance.Service, { load: () => Effect.suc
 const referenceGuidance = Layer.mock(ReferenceGuidance.Service, { load: () => Effect.succeed(SystemContext.empty) })
 const config = Layer.succeed(Config.Service, Config.Service.of({ entries: () => Effect.succeed([]) }))
 const runner = SessionRunnerLLM.defaultLayer.pipe(
+  Layer.provide(Snapshot.noopLayer),
   Layer.provide(Database.defaultLayer),
   Layer.provide(SessionStore.defaultLayer),
   Layer.provide(EventV2.defaultLayer),
@@ -99,6 +102,7 @@ const execution = Layer.effect(
   }),
 ).pipe(Layer.provide(runner))
 const sessions = SessionV2.layer.pipe(
+  Layer.provide(LocationServiceMap.layer),
   Layer.provide(EventV2.defaultLayer),
   Layer.provide(Database.defaultLayer),
   Layer.provide(SessionStore.defaultLayer),