fix: prevent UI freeze after saving signed log entries

Cache plaintext list metadata on entry save so the journal list avoids
full decrypt per row, and batch sync pull writes with main-thread yields.

Co-authored-by: Cursor <cursoragent@cursor.com>

client/src/services/quickEventLog.ts

@@ -3,6 +3,7 @@ import { getActiveMasterKey } from './auth.js'
 import { ensureLogbookKey, getLogbookKey } from './logbookKeys.js'
 import { decryptJson, encryptJson } from './crypto.js'
 import { syncLogbook } from './sync.js'
+import { putEntryRecord } from '../utils/entryListCache.js'
 import {
   buildLogEntryPayload,
   normalizeLogEvent,
@@ -190,14 +191,17 @@ export async function createTodayEntry(logbookId: string): Promise<string> {
 
   const encrypted = await encryptJson(initialPayload, masterKey)
 
-  await db.entries.put({
-    payloadId: localId,
-    logbookId,
-    encryptedData: encrypted.ciphertext,
-    iv: encrypted.iv,
-    tag: encrypted.tag,
-    updatedAt: nowStr
-  })
+  await putEntryRecord(
+    {
+      payloadId: localId,
+      logbookId,
+      encryptedData: encrypted.ciphertext,
+      iv: encrypted.iv,
+      tag: encrypted.tag,
+      updatedAt: nowStr
+    },
+    initialPayload
+  )
 
   await db.syncQueue.put({
     action: 'create',
@@ -305,14 +309,17 @@ async function persistEntry(
   const encrypted = await encryptJson(entryData, masterKey)
   const now = new Date().toISOString()
 
-  await db.entries.put({
-    payloadId: entryId,
-    logbookId,
-    encryptedData: encrypted.ciphertext,
-    iv: encrypted.iv,
-    tag: encrypted.tag,
-    updatedAt: now
-  })
+  await putEntryRecord(
+    {
+      payloadId: entryId,
+      logbookId,
+      encryptedData: encrypted.ciphertext,
+      iv: encrypted.iv,
+      tag: encrypted.tag,
+      updatedAt: now
+    },
+    entryData
+  )
 
   await db.syncQueue.put({
     action: 'update',