fix: lighten session list payloads (#1538)

* lighten session list

* fetch full session on open

* sanitize session list

* sanitize global sessions

* preserve revert markers in session lists

* fix: preserve session metadata in list sanitizers

---------

Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/stores/globalSessions.test.ts

@@ -0,0 +1,58 @@
+import { describe, expect, test } from 'bun:test'
+import type { OpencodeClient } from '@opencode-ai/sdk/v2'
+
+import { listGlobalSessionPages } from './globalSessions'
+
+describe('listGlobalSessionPages', () => {
+  test('sanitizes session list records before returning them', async () => {
+    const apiClient = {
+      experimental: {
+        session: {
+          list: async () => ({
+            data: [
+              {
+                id: 'ses_1',
+                directory: '/repo/app',
+                title: 'Alpha',
+                time: { created: 1, updated: 2 },
+                metadata: {
+                  openchamber: {
+                    kind: 'review',
+                    originalSessionID: 'ses_original',
+                  },
+                },
+                permission: [{ permission: 'todowrite' }],
+                revert: { messageID: 'msg_1', snapshot: 'abc123', diff: 'diff --git a/x b/x' },
+                summary: {
+                  additions: 5,
+                  deletions: 3,
+                  files: 2,
+                  diffs: [{ patch: '@@ -1 +1 @@', additions: 5, deletions: 3 }],
+                },
+              },
+            ],
+            response: { headers: new Headers() },
+          }),
+        },
+      },
+    } as unknown as OpencodeClient
+
+    const sessions = await listGlobalSessionPages(apiClient, { archived: false, pageSize: 500 })
+    const session = sessions[0] as typeof sessions[number] & {
+      metadata?: unknown
+      permission?: unknown
+      revert?: { messageID?: string; snapshot?: string; diff?: string }
+      summary?: { additions?: number; deletions?: number; files?: number; diffs?: unknown[] }
+    }
+
+    expect(session.metadata).toEqual({
+      openchamber: {
+        kind: 'review',
+        originalSessionID: 'ses_original',
+      },
+    })
+    expect(session.permission).toBe(undefined)
+    expect(session.revert).toEqual({ messageID: 'msg_1' })
+    expect(session.summary).toEqual({ additions: 5, deletions: 3, files: 2 })
+  })
+})

packages/ui/src/stores/globalSessions.ts

@@ -1,5 +1,6 @@
 import type { OpencodeClient, Session } from "@opencode-ai/sdk/v2";
 import { retry } from "@/sync/retry";
+import { stripSessionListDetails } from "@/sync/sanitize";
 
 export type GlobalSessionRecord = Session & {
     project?: {
@@ -121,7 +122,8 @@ export async function listGlobalSessionPages(
             { attempts: 3, delay: 500, retryIf: () => true },
         );
 
-        const payload = unwrapSessionList(response, "experimental.session.list");
+        const payload = unwrapSessionList(response, "experimental.session.list")
+            .map((session) => stripSessionListDetails(session) as GlobalSessionRecord);
         if (payload.length === 0) break;
 
         let appended = 0;