refactor(CompanyOverview): 优化多个面板显示逻辑

- ValueChainCard: 流向关系视图时隐藏左侧导航选项
- AnnouncementsPanel: 移除重复的"最新公告"标题
- DisclosureSchedulePanel: 移除重复的"财报披露日程"标题
- CompetitiveAnalysisCard: 恢复竞争对手标签和雷达图显示

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/Company/components/CompanyOverview/DeepAnalysisTab/components/CompetitiveAnalysisCard.tsx

@@ -234,10 +234,10 @@ const CompetitiveAnalysisCard: React.FC<CompetitiveAnalysisCardProps> = memo(
           </CardHeader>
           <CardBody>
             {/* 主要竞争对手 */}
-            {/* {competitors.length > 0 && <CompetitorTags competitors={competitors} />} */}
+            {competitors.length > 0 && <CompetitorTags competitors={competitors} />}
 
             {/* 评分和雷达图 */}
-            {/* <Grid templateColumns="repeat(2, 1fr)" gap={6}>
+            <Grid templateColumns="repeat(2, 1fr)" gap={6}>
               <GridItem colSpan={GRID_COLSPAN}>
                 <ScoreSection scores={competitivePosition.scores} />
               </GridItem>
@@ -251,9 +251,9 @@ const CompetitiveAnalysisCard: React.FC<CompetitiveAnalysisCardProps> = memo(
                   />
                 )}
               </GridItem>
-            </Grid> */}
+            </Grid>
 
-            {/* <Divider my={4} borderColor="yellow.600" /> */}
+            <Divider my={4} borderColor="yellow.600" />
 
             {/* 竞争优势和劣势 */}
             <AdvantagesSection

src/views/Company/components/CompanyOverview/DeepAnalysisTab/components/ValueChainCard.tsx

@@ -155,14 +155,16 @@ const ValueChainCard: React.FC<ValueChainCardProps> = memo(({
           align="center"
           flexWrap="wrap"
         >
-          {/* 左侧：流程式导航 */}
-          <ProcessNavigation
-            activeTab={activeTab}
-            onTabChange={setActiveTab}
-            upstreamCount={upstreamNodes.length}
-            coreCount={coreNodes.length}
-            downstreamCount={downstreamNodes.length}
-          />
+          {/* 左侧：流程式导航 - 仅在层级视图显示 */}
+          {viewMode === 'hierarchy' && (
+            <ProcessNavigation
+              activeTab={activeTab}
+              onTabChange={setActiveTab}
+              upstreamCount={upstreamNodes.length}
+              coreCount={coreNodes.length}
+              downstreamCount={downstreamNodes.length}
+            />
+          )}
 
           {/* 右侧：筛选与视图切换 */}
           <ValueChainFilterBar