fix(app): poll session.diff instead of summary.files, revert sanitizeProject

summary.files is computed asynchronously and never resolves in CI.
Poll session.diff() directly — matches the pattern used by the
snapshot-tool-race integration test.

Also revert the unrelated sanitizeProject changes to event-reducer
and utils that were accidentally included in this PR.

packages/app/e2e/session/session-review.spec.ts

@@ -67,9 +67,13 @@ async function patchWithMock(
 
   await expect.poll(() => llm.calls().then((c) => c > callsBefore), { timeout: 30_000 }).toBe(true)
   await expect
-    .poll(async () => (await sdk.session.get({ sessionID }).then((res) => res.data?.summary?.files)) ?? 0, {
-      timeout: 120_000,
-    })
+    .poll(
+      async () => {
+        const diff = await sdk.session.diff({ sessionID }).then((res) => res.data ?? [])
+        return diff.length
+      },
+      { timeout: 120_000 },
+    )
     .toBeGreaterThan(0)
 }
 

packages/app/src/context/global-sync/event-reducer.ts

@@ -14,7 +14,6 @@ import type {
 import type { State, VcsCache } from "./types"
 import { trimSessions } from "./session-trim"
 import { dropSessionCaches } from "./session-cache"
-import { sanitizeProject } from "./utils"
 
 const SKIP_PARTS = new Set(["patch", "step-start", "step-finish"])
 
@@ -34,12 +33,12 @@ export function applyGlobalEvent(input: {
   const result = Binary.search(input.project, properties.id, (s) => s.id)
   if (result.found) {
     input.setGlobalProject((draft) => {
-      draft[result.index] = sanitizeProject({ ...draft[result.index], ...properties })
+      draft[result.index] = { ...draft[result.index], ...properties }
     })
     return
   }
   input.setGlobalProject((draft) => {
-    draft.splice(result.index, 0, sanitizeProject(properties))
+    draft.splice(result.index, 0, properties)
   })
 }
 

packages/app/src/context/global-sync/utils.ts

@@ -27,21 +27,13 @@ export function normalizeProviderList(input: ProviderListResponse): ProviderList
 }
 
 export function sanitizeProject(project: Project) {
+  if (!project.icon?.url && !project.icon?.override) return project
   return {
     ...project,
-    commands: project.commands
-      ? {
-          ...project.commands,
-        }
-      : undefined,
     icon: {
       ...project.icon,
       url: undefined,
       override: undefined,
     },
-    sandboxes: [...(project.sandboxes ?? [])],
-    time: {
-      ...project.time,
-    },
   }
 }