fix(输入法): 优化双端联想排序并消除文字刷新闪烁

com.sydxky.rtos.inputmethod/tests/native.py

@@ -50,6 +50,8 @@ def main():
             run('auto-open',"await tc.getByClass('document').click();await tc.wait(.4);p=router.getPage(1);check(router.getLength()===2&&p.mode==='t9','field opens full screen T9');root.editText();check(router.getLength()===2,'duplicate opener guarded');")
             run('t9-phrase',"for(var label of ['MNO','GHI','GHI','ABC','MNO'])await click(label);await ready();check(p.bar[0].word==='你好','frequency ranks common phrase first');await click('你好');check(p.text==='你好'&&!p.composition,'native candidate commits phrase');")
             run('continuous',"reset();p.mode='py';p.renderKeys();p.composition='nihaoshijie';p.schedule();await ready();check(p.allCandidates.some(x=>x.word==='你好'&&x.consume===5),'prefix phrase retained');await click('你好');await ready();check(p.composition==='shijie','only matched pinyin consumed');await click('世界');check(p.text==='你好世界'&&!p.composition,'remaining syllables compose');")
+            run('completion-prediction',"reset();p.mode='py';p.renderKeys();for(var letter of ['n','i','h','a'])await click(letter);await ready();check(p.bar[0].word==='你好'&&p.bar[0].consume===4,'unfinished spelling completes a real phrase');await click('你好');await ready();check(p.prediction&&p.bar[0].word==='世界','committed word offers bounded context continuation');await click('世界');check(p.text==='你好世界'&&!p.composition,'prediction appends once without repeating the prefix');")
+            run('steady-candidates',"reset();p.mode='py';p.renderKeys();p.composition='shi';p.schedule();await ready();var previous=p.bar[0].word,previewBefore=p.display;p.press('j');check(p.busy&&p.bar[0].word===previous&&p.display===previewBefore,'pending result retains preview and candidates');p.choose(p.bar[0]);check(!p.text,'stale retained candidate cannot commit');await ready();")
             run('complete-candidates',"reset();p.mode='py';p.renderKeys();p.composition='shi';p.schedule();await ready();var total=p.total;await click('更多');check(p.visibleCandidates.length===16&&p.candidateRows.length===4&&p.pageCount>1,'full list paginated');for(var i=1;i<p.pageCount;i++)await click('下一页');check(p.candidatePage===p.pageCount-1,'last candidate page accessible');")
             run('candidate-select',"var last=p.visibleCandidates[p.visibleCandidates.length-1];await click(last.word);check(p.text===last.word,'last original candidate can commit');")
             run('full-pinyin',"reset();await click('26键');check(p.keyRows.map(row=>row.map(key=>key.value).join('')).join('/')==='qwertyuiop/asdfghjkl/zxcvbnm','standard 10-9-7 QWERTY order');for(var letter of ['s','h','u','r','u','f','a'])await click(letter);await ready();check(p.bar.some(x=>x.word==='输入法'),'long phrase in full dictionary');await click('输入法');check(p.text==='输入法','native full pinyin commit');")