Add vector change detection foundation

frontend/src/services/api/analysis.ts

@@ -0,0 +1,7 @@
+import { apiPost } from './client'
+import type { ChangeDetectionRequest, ChangeDetectionSummary, JobRead } from '../../types'
+
+export const analysisApi = {
+  runChangeDetection: (payload: ChangeDetectionRequest): Promise<JobRead & { result_json?: ChangeDetectionSummary | null }> =>
+    apiPost<JobRead & { result_json?: ChangeDetectionSummary | null }>('/api/v1/analysis/change-detection', payload),
+}

frontend/src/services/api/index.ts

@@ -1,4 +1,5 @@
 export { areasApi } from './areas'
+export { analysisApi } from './analysis'
 export { datasetsApi } from './datasets'
 export { demoApi } from './demo'
 export { detectionApi } from './detection'