feat(engine): 添加MCP连接管理和工具集成功能

- 集成MCP连接管理器，支持MCP服务器连接
- 添加多种内置工具：ClarifyTool、CronTool、DelegateTool、ExecuteCodeTool、
  PatchFileTool、ProcessTool、SendMessageTool、SpawnTool、TerminalTool、
  TodoTool、WebFetchTool、WebSearchTool、WriteFileTool等
- 实现工具注册和装配功能
- 添加技能选择上下文参数
- 支持思考模式控制参数thinking_enabled

feat(coordinator): 重构任务执行计划器参数命名

- 将learning_candidate_enabled重命名为allow_candidate_generation
- 更新TeamGraphScheduler中的参数传递
- 修改LocalAgentRunner中的相关参数处理
- 更新README文档中的相应描述

refactor(context): 标准化工具调用参数格式

- 添加_json导入用于参数序列化
- 实现_provider_tool_calls方法标准化OpenAI兼容的工具调用载荷
- 修复工具调用中参数非字符串类型的序列化问题

refactor(session): 优化消息历史记录过滤逻辑

- 修改get_messages_as_conversation为基于运行状态过滤消息
- 排除未完成、失败或错误结束的运行记录
- 改进对话历史的可见性控制机制

fix(store): 修复FTS索引重建逻辑

- 添加异常处理防止FTS索引创建失败
- 实现_rebuild_fts_index方法重新构建全文搜索索引
- 优化索引触发器和表的维护流程

app-instance/frontend/components/chat-workbench/AgentTeamBlock.tsx

@@ -25,28 +25,28 @@ const TERMINAL_STATUSES = new Set<ProcessRun['status']>(['done', 'error', 'cance
 
 const AGENT_ACCENTS = [
   {
-    frame: 'border-sky-500/25 bg-sky-500/[0.05]',
-    title: 'text-sky-300',
-    dot: 'bg-sky-400',
-    result: 'border-sky-500/25 bg-sky-500/[0.08]',
+    frame: 'border-[#BCC4CE] bg-[#E4E7EB]/45',
+    title: 'text-[#697281]',
+    dot: 'bg-[#8C96A3]',
+    result: 'border-[#BCC4CE] bg-[#E4E7EB]/55',
   },
   {
-    frame: 'border-emerald-500/25 bg-emerald-500/[0.05]',
-    title: 'text-emerald-300',
-    dot: 'bg-emerald-400',
-    result: 'border-emerald-500/25 bg-emerald-500/[0.08]',
+    frame: 'border-[#B7C2B5] bg-[#E3E8E2]/45',
+    title: 'text-[#657162]',
+    dot: 'bg-[#869683]',
+    result: 'border-[#B7C2B5] bg-[#E3E8E2]/55',
   },
   {
-    frame: 'border-amber-500/25 bg-amber-500/[0.05]',
-    title: 'text-amber-300',
-    dot: 'bg-amber-400',
-    result: 'border-amber-500/25 bg-amber-500/[0.08]',
+    frame: 'border-[#B8AEA8] bg-[#E7E2DE]/55',
+    title: 'text-[#5F5550]',
+    dot: 'bg-[#8B7E77]',
+    result: 'border-[#B8AEA8] bg-[#E7E2DE]/65',
   },
   {
-    frame: 'border-fuchsia-500/25 bg-fuchsia-500/[0.05]',
-    title: 'text-fuchsia-300',
-    dot: 'bg-fuchsia-400',
-    result: 'border-fuchsia-500/25 bg-fuchsia-500/[0.08]',
+    frame: 'border-[#D8D2CE] bg-[#ECE8E5]/70',
+    title: 'text-[#4F4642]',
+    dot: 'bg-[#6A5E58]',
+    result: 'border-[#D8D2CE] bg-[#ECE8E5]/80',
   },
 ] as const;
 
@@ -55,12 +55,12 @@ function accentFor(index: number) {
 }
 
 function statusTone(status: ProcessRun['status']) {
-  if (status === 'done') return 'border-emerald-500/20 bg-emerald-500/10 text-emerald-300';
-  if (status === 'error') return 'border-rose-500/20 bg-rose-500/10 text-rose-300';
-  if (status === 'cancelled') return 'border-zinc-500/20 bg-zinc-500/10 text-zinc-300';
-  if (status === 'waiting') return 'border-amber-500/20 bg-amber-500/10 text-amber-300';
-  if (status === 'queued') return 'border-sky-500/20 bg-sky-500/10 text-sky-300';
-  return 'border-sky-500/20 bg-sky-500/10 text-sky-300';
+  if (status === 'done') return 'border-[#B7C2B5] bg-[#E3E8E2] text-[#657162]';
+  if (status === 'error') return 'border-[#B8AEA8] bg-[#E7E2DE] text-[#342E2B]';
+  if (status === 'cancelled') return 'border-[#D8D2CE] bg-[#ECE8E5] text-[#6A5E58]';
+  if (status === 'waiting') return 'border-[#B8AEA8] bg-[#E7E2DE] text-[#5F5550]';
+  if (status === 'queued') return 'border-[#D8D2CE] bg-[#ECE8E5] text-[#4F4642]';
+  return 'border-[#BCC4CE] bg-[#E4E7EB] text-[#697281]';
 }
 
 function feedTone(role: AgentFeedItem['role']) {
@@ -166,8 +166,8 @@ function SkillChips({ metadata }: { metadata?: Record<string, unknown> }) {
   const rawEphemeral = metadata?.ephemeral_skill_names;
   const selected = Array.isArray(rawSelected) ? rawSelected.map(String).filter(Boolean) : [];
   const ephemeral = Array.isArray(rawEphemeral) ? rawEphemeral.map(String).filter(Boolean) : [];
-  const draftId = typeof metadata?.generated_skill_draft_id === 'string' ? metadata.generated_skill_draft_id : '';
-  if (selected.length === 0 && ephemeral.length === 0 && !draftId) {
+  const guidanceId = typeof metadata?.ephemeral_guidance_id === 'string' ? metadata.ephemeral_guidance_id : '';
+  if (selected.length === 0 && ephemeral.length === 0 && !guidanceId) {
     return null;
   }
   return (
@@ -182,9 +182,9 @@ function SkillChips({ metadata }: { metadata?: Record<string, unknown> }) {
           ephemeral:{name}
         </Badge>
       ))}
-      {draftId && (
+      {guidanceId && (
         <Badge variant="outline" className="text-[10px]">
-          draft:{draftId.slice(0, 8)}
+          guidance:{guidanceId.slice(0, 8)}
         </Badge>
       )}
     </div>
@@ -390,7 +390,7 @@ function ResultCard({
           <div className="text-[10px] font-medium uppercase tracking-[0.18em] text-muted-foreground">{pickAppText(locale, '结果', 'Result')}</div>
           <div className={cn('mt-1 truncate text-sm font-semibold', accent.title)}>{run.actor_name}</div>
         </div>
-        <CheckCircle2 className="h-4 w-4 text-emerald-400" />
+        <CheckCircle2 className="h-4 w-4 text-[#657162]" />
       </div>
       <div className="mt-2 line-clamp-3 text-sm text-foreground/80">{summary}</div>
       <div className="mt-3 flex items-center gap-2 text-[11px] text-muted-foreground">