fix(core): reuse location git repository

packages/core/src/location.ts

@@ -1,6 +1,7 @@
 import { Context, Effect, Layer } from "effect"
 import { Info, Ref, response } from "@opencode-ai/schema/location"
 import { Project } from "./project"
+import { Git } from "./git"
 import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { makeLocationNode, tags } from "@opencode-ai/util/effect/app-node"
 
@@ -10,6 +11,7 @@ export { Info, Ref, response }
 
 export interface Interface extends Info {
   readonly vcs?: Project.Vcs
+  readonly repository?: Git.Repository
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/Location") {}
@@ -27,6 +29,7 @@ const layer = (ref: Ref) =>
         workspaceID: ref.workspaceID,
         project: { id: resolved.id, directory: resolved.directory },
         vcs: resolved.vcs,
+        repository: resolved.repository,
       })
     }),
   )

packages/core/src/project.ts

@@ -42,6 +42,7 @@ export interface Resolved {
   readonly id: ID
   readonly directory: AbsolutePath
   readonly vcs?: Vcs
+  readonly repository?: Git.Repository
 }
 
 // Keep this filesystem-only; permission checks use it and should not execute VCS commands.
@@ -217,6 +218,7 @@ const layer = Layer.effect(
           id: id ?? ID.global,
           directory: repo.worktree,
           vcs: { type: "git" as const, store: repo.commonDirectory },
+          repository: repo,
         }
       }
 

packages/core/src/snapshot.ts

@@ -95,7 +95,7 @@ const layer = Layer.effect(
     // Cache a scope-owned fiber so caller cancellation stops waiting without poisoning shared initialization.
     const repositoryFiber = yield* Effect.cached(
       Effect.gen(function* () {
-        const source = yield* git.repo.discover(location.project.directory)
+        const source = location.repository ?? (yield* git.repo.discover(location.project.directory))
         if (!source) return yield* new Error({ operation: "capture", message: "Project is not a Git repository" })
         const worktree = AbsolutePath.make(yield* fs.realPath(source.worktree).pipe(Effect.orDie))
         const gitDirectory = AbsolutePath.make(