feat(evolution): flag self-evolution bubbles in UI and relax MEMORY.md writes

channel/web/static/js/console.js

@@ -124,6 +124,7 @@ const I18N = {
         config_max_steps: '最大执行步数', config_max_steps_hint: '单次对话中 Agent 最多调用工具的次数',
         config_enable_thinking: '深度思考', config_enable_thinking_hint: '是否启用深度思考模式',
         config_self_evolution: '自主进化', config_self_evolution_hint: '会话空闲后自动复盘，沉淀记忆、优化技能、处理未完成事项',
+        evolution_badge: '自主学习',
         config_channel_type: '通道类型',
         config_provider: '模型厂商', config_model_name: '模型',
         config_custom_model_hint: '输入自定义模型名称',
@@ -327,6 +328,7 @@ const I18N = {
         config_max_steps: 'Max Steps', config_max_steps_hint: 'Max tool calls the Agent can make in a single conversation',
         config_enable_thinking: 'Deep Thinking', config_enable_thinking_hint: 'Enable deep thinking mode',
         config_self_evolution: 'Self-Evolution', config_self_evolution_hint: 'Auto-review idle conversations to consolidate memory, improve skills, and follow up on unfinished tasks',
+        evolution_badge: 'Self-learned',
         config_channel_type: 'Channel Type',
         config_provider: 'Provider', config_model_name: 'Model',
         config_custom_model_hint: 'Enter custom model name',
@@ -2886,10 +2888,20 @@ function createBotMessageEl(content, timestamp, requestId, msg) {
         stepsHtml = renderThinkingHtml(reasoning) + renderToolCallsHtml(toolCalls);
     }
 
+    // Self-evolution bubbles get a small badge so the user can feel the agent
+    // learned something on its own (text itself stays clean).
+    const evolutionBadge = (msg && msg.kind === 'evolution')
+        ? `<div class="flex items-center gap-1 mb-1.5 text-xs text-slate-400 dark:text-slate-500">
+                <i class="fas fa-seedling text-[11px]"></i>
+                <span>${t('evolution_badge')}</span>
+           </div>`
+        : '';
+
     el.innerHTML = `
         <img src="assets/logo.jpg" alt="CowAgent" class="w-8 h-8 rounded-lg flex-shrink-0">
         <div class="min-w-0 flex-1 max-w-[85%]">
             <div class="bg-white dark:bg-[#1A1A1A] border border-slate-200 dark:border-white/10 rounded-2xl px-4 py-3 text-sm leading-relaxed msg-content text-slate-700 dark:text-slate-200">
+                ${evolutionBadge}
                 ${stepsHtml ? `<div class="agent-steps">${stepsHtml}</div>` : ''}
                 <div class="answer-content">${renderMarkdown(displayContent)}</div>
                 <div class="bot-audio-slot"></div>