feat(cli): add branch push check before PR creation

index.ts

@@ -23,6 +23,8 @@ import type { Config } from "./src/types";
 import {
   getDefaultBranch,
   getBranchName,
+  getBranchPushStatus,
+  pushCurrentBranch,
   getBranchCommits,
   getBranchDiff,
   detectPlatform,
@@ -524,6 +526,30 @@ async function handlePR(draft: boolean): Promise<void> {
     `  ${commits.length} commit${commits.length > 1 ? "s" : ""} on this branch`,
   );
 
+  const pushStatus = await getBranchPushStatus();
+  if (!pushStatus.pushed) {
+    const target = pushStatus.upstream ?? `origin/${branchName}`;
+    const answer = await ask(
+      `  Branch is not pushed to ${CYAN}${target}${RESET}. Push now? [${GREEN}Y${RESET}/n] `,
+    );
+
+    if (answer.toLowerCase() === "n") {
+      console.log("  Aborted.");
+      return;
+    }
+
+    console.log(`  Pushing ${CYAN}${branchName}${RESET}...`);
+    try {
+      await pushCurrentBranch(branchName, pushStatus.upstream);
+      console.log(`  ${GREEN}Pushed ${branchName}.${RESET}`);
+    } catch (err) {
+      console.error(
+        `  ${RED}Push failed: ${err instanceof Error ? err.message : err}${RESET}`,
+      );
+      process.exit(1);
+    }
+  }
+
   const diff = await getBranchDiff(baseBranch);
   if (!diff) {
     console.error(`  ${RED}Error: No diff from base branch.${RESET}`);