feat(cliproxy): add sync and alias CLI commands

- add `ccs cliproxy sync` command for manual sync
- add `ccs cliproxy alias` command for model alias management
- support --dry-run and --verbose flags
- integrate with cliproxy subcommand router

src/commands/cliproxy-command.ts

@@ -64,6 +64,10 @@ import {
   installLatest,
 } from '../cliproxy/services';
 
+// Import sync and alias handlers
+import { handleSync } from './cliproxy-sync-handler';
+import { handleAlias } from './cliproxy-alias-handler';
+
 // ============================================================================
 // ARGUMENT PARSING
 // ============================================================================
@@ -613,6 +617,17 @@ async function showHelp(): Promise<void> {
         ['remove <name>', 'Remove a CLIProxy variant profile'],
       ],
     ],
+    [
+      'Remote Sync:',
+      [
+        ['sync', 'Sync API profiles to remote CLIProxy'],
+        ['sync --dry-run', 'Preview sync without applying'],
+        ['sync --force', 'Sync without confirmation prompt'],
+        ['alias list', 'List model alias mappings'],
+        ['alias add <profile> <from> <to>', 'Add model alias'],
+        ['alias remove <profile> <from>', 'Remove model alias'],
+      ],
+    ],
     [
       'Quota Management:',
       [
@@ -1004,6 +1019,16 @@ export async function handleCliproxyCommand(args: string[]): Promise<void> {
     return;
   }
 
+  if (command === 'sync') {
+    await handleSync(remainingArgs.slice(1));
+    return;
+  }
+
+  if (command === 'alias') {
+    await handleAlias(remainingArgs.slice(1));
+    return;
+  }
+
   if (command === 'stop') {
     await handleStop();
     return;