feat(core): expose V2 VCS status and diff APIs (#35129)

packages/schema/src/index.ts

@@ -17,6 +17,7 @@ export { Provider } from "./provider.js"
 export { Reference } from "./reference.js"
 export { Revert } from "./revert.js"
 export { Session } from "./session.js"
+export { Vcs } from "./vcs.js"
 export { SessionInput } from "./session-input.js"
 export { SessionMessage } from "./session-message.js"
 export { Shell } from "./shell.js"

packages/schema/src/vcs.ts

@@ -0,0 +1,15 @@
+export * as Vcs from "./vcs.js"
+
+import { Schema } from "effect"
+import { NonNegativeInt } from "./schema.js"
+
+export const Mode = Schema.Literals(["working", "branch"]).annotate({ identifier: "Vcs.Mode" })
+export type Mode = typeof Mode.Type
+
+export const FileStatus = Schema.Struct({
+  file: Schema.String,
+  additions: NonNegativeInt,
+  deletions: NonNegativeInt,
+  status: Schema.Literals(["added", "deleted", "modified"]),
+}).annotate({ identifier: "Vcs.FileStatus" })
+export interface FileStatus extends Schema.Schema.Type<typeof FileStatus> {}