feat: 类型修复

src/utils/sessionStorage.ts

@@ -1058,6 +1058,7 @@ class Project {
           entrypoint: getEntrypoint(),
           cwd: getCwd(),
           sessionId,
+          timestamp: new Date().toISOString(),
           version: VERSION,
           gitBranch,
           slug,
@@ -2225,7 +2226,7 @@ export function checkResumeConsistency(chain: Message[]): void {
   for (let i = chain.length - 1; i >= 0; i--) {
     const m = chain[i]!
     if (m.type !== 'system' || m.subtype !== 'turn_duration') continue
-    const expected = m.messageCount
+    const expected = m.messageCount as number | undefined
     if (expected === undefined) return
     // `i` is the 0-based index of the checkpoint in the reconstructed chain.
     // The checkpoint was appended AFTER messageCount messages, so its own