core: add session diff API to show file changes between snapshots

2025-10-20 17:58:48 -04:00
parent 577ffecb29
commit a4b31ad404
6 changed files with 317 additions and 46 deletions
@@ -130,6 +130,7 @@ export namespace MessageV2 {

  export const StepStartPart = PartBase.extend({
    type: z.literal("step-start"),
+    snapshot: z.string().optional(),
  }).meta({
    ref: "StepStartPart",
  })
@@ -137,6 +138,7 @@ export namespace MessageV2 {

  export const StepFinishPart = PartBase.extend({
    type: z.literal("step-finish"),
+    snapshot: z.string().optional(),
    cost: z.number(),
    tokens: z.object({
      input: z.number(),