feat: admin panel — new triggers, member/vote stats, health checks

Backend:
- /trigger-fetch-news, /trigger-fetch-votes, /trigger-member-trend-scores endpoints
- Stats: total_members, house_count, senate_count, members_missing_chamber,
  total_votes, stanced_bills_total, stanced_bills_with_votes
- API health: redis, smtp, pytrends tests added

Frontend:
- Fetch News, Fetch Votes, Member Trend Scores buttons in recurring tasks
- Fetch Votes shows "needed" badge when stanced bills are missing votes
- Stats table: member sync breakdown + vote/alignment coverage row
- Health panel: Redis, SMTP, pytrends rows

Authored by: Jack Levy

frontend/lib/api.ts

@@ -208,6 +208,10 @@ export interface ApiHealth {
   govinfo: ApiHealthResult;
   newsapi: ApiHealthResult;
   google_news: ApiHealthResult;
+  rep_lookup: ApiHealthResult;
+  redis: ApiHealthResult;
+  smtp: ApiHealthResult;
+  pytrends: ApiHealthResult;
 }
 
 export interface AnalysisStats {
@@ -224,6 +228,13 @@ export interface AnalysisStats {
   bills_missing_actions: number;
   unlabeled_briefs: number;
   remaining: number;
+  total_members: number;
+  house_count: number;
+  senate_count: number;
+  members_missing_chamber: number;
+  total_votes: number;
+  stanced_bills_total: number;
+  stanced_bills_with_votes: number;
 }
 
 export interface NotificationTestResult {
@@ -277,6 +288,12 @@ export const adminAPI = {
     apiClient.post("/api/admin/trigger-member-sync").then((r) => r.data),
   triggerTrendScores: () =>
     apiClient.post("/api/admin/trigger-trend-scores").then((r) => r.data),
+  triggerFetchNews: () =>
+    apiClient.post("/api/admin/trigger-fetch-news").then((r) => r.data),
+  triggerFetchVotes: () =>
+    apiClient.post("/api/admin/trigger-fetch-votes").then((r) => r.data),
+  triggerMemberTrendScores: () =>
+    apiClient.post("/api/admin/trigger-member-trend-scores").then((r) => r.data),
   backfillSponsors: () =>
     apiClient.post("/api/admin/backfill-sponsors").then((r) => r.data),
   backfillCitations: () =>