feat(scheduling): add 近期已干预 summary card (last 7 days)

Restore 替换建议 card and add a new emerald 近期已干预 card. Clicking
opens the history modal pre-filtered to the last 7 days (excluding
cancelled) via a toggle chip users can switch off.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

src/server/routes/scheduling/algorithm.ts

@@ -252,6 +252,7 @@ export function generateSuggestions(
     hopelessCount: hopeless.length,
     suggestionCount: filteredSuggestions.length,
     estimatedGain,
+    recentInterventionCount: 0,
   };
 
   return { suggestions: filteredSuggestions, summary };

src/server/routes/scheduling/notify.ts

@@ -34,6 +34,18 @@ function rowToRecord(row: any): NotificationRecord {
   };
 }
 
+/**
+ * Count non-cancelled interventions created within the last 7 days.
+ */
+export async function fetchRecentInterventionCount(): Promise<number> {
+  const [rows] = (await pool.execute(
+    `SELECT COUNT(*) AS cnt FROM tab_scheduling_notifications
+     WHERE status != 'cancelled'
+       AND created_at >= DATE_SUB(NOW(), INTERVAL 7 DAY)`,
+  )) as [any[], unknown];
+  return rows.length > 0 ? Number(rows[0].cnt) || 0 : 0;
+}
+
 /**
  * Fetch notification status map for the currently-visible (suggestion, candidate) pairs.
  * Key: `${suggestionId}::${candidatePlate}` → latest non-cancelled notification.

src/server/routes/scheduling/suggestions.ts

@@ -5,7 +5,7 @@ import { fetchVehicleInfoMap } from '../mileage/vehicle-info.js';
 import { mapRegion } from '../vehicles.js';
 import { filterByPermission, maskCustomerNames } from '../../auth/permissions.js';
 import { classifyVehicle, generateSuggestions } from './algorithm.js';
-import { fetchActiveNotificationMap } from './notify.js';
+import { fetchActiveNotificationMap, fetchRecentInterventionCount } from './notify.js';
 import type { EnrichedVehicle, InventoryVehicle, SchedulingResponse, SchedulingSummary } from './types.js';
 import type { AuthUser } from '../../auth/types.js';
 
@@ -342,6 +342,7 @@ app.get('/', async (c) => {
     // Recalculate summary based on permission-filtered results
     const filteredQualified = masked.filter((s: any) => s.type === 'replace_qualified').length;
     const filteredHopeless = masked.filter((s: any) => s.type === 'rescue_hopeless').length;
+    const recentInterventionCount = await fetchRecentInterventionCount();
     const filteredSummary: SchedulingSummary = {
       qualifiedCount: summary.qualifiedCount,
       hopelessCount: summary.hopelessCount,
@@ -349,6 +350,7 @@ app.get('/', async (c) => {
       estimatedGain: masked.filter((s: any) =>
         s.candidates?.some((c: any) => c.canQualifyAfterSwap)
       ).length,
+      recentInterventionCount,
     };
 
     const response: SchedulingResponse = {
@@ -362,7 +364,7 @@ app.get('/', async (c) => {
     console.error('scheduling suggestions error:', e);
     return c.json(
       {
-        summary: { qualifiedCount: 0, hopelessCount: 0, suggestionCount: 0, estimatedGain: 0 },
+        summary: { qualifiedCount: 0, hopelessCount: 0, suggestionCount: 0, estimatedGain: 0, recentInterventionCount: 0 },
         suggestions: [],
         targets: [],
       } satisfies SchedulingResponse,