feat: add qwen3.5-plus model support for Coding Plan

- Add qwen3.5-plus configuration for both China and Global regions
- Update README with qwen3.5-plus setup instructions
- Fix Coding Plan console URL for international users
- Update tests for new model count

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

packages/cli/src/ui/hooks/useCodingPlanUpdates.test.ts

@@ -391,8 +391,8 @@ describe('useCodingPlanUpdates', () => {
       >;
 
       // Should have new China configs + custom config only (global config removed since regions are mutually exclusive)
-      // The template has 2 models, so we expect 2 (from template) + 1 (custom) = 3
-      expect(updatedConfigs.length).toBe(3);
+      // The template has 3 models, so we expect 3 (from template) + 1 (custom) = 4
+      expect(updatedConfigs.length).toBe(4);
 
       // Should NOT contain the Global config (mutually exclusive)
       expect(