Add consent-first analytics privacy controls

src/core/privacy/analytics-consent-context.ts

@@ -0,0 +1,25 @@
+import { createContext, useContext } from "react";
+
+export type ConsentChoice = "pending" | "granted" | "denied";
+
+export interface AnalyticsConsentValue {
+  choice: ConsentChoice;
+  isSettingsOpen: boolean;
+  accept: () => void;
+  reject: () => void;
+  openSettings: () => void;
+  closeSettings: () => void;
+}
+
+export const AnalyticsConsentContext =
+  createContext<AnalyticsConsentValue | null>(null);
+
+export function useAnalyticsConsent(): AnalyticsConsentValue {
+  const context = useContext(AnalyticsConsentContext);
+  if (!context) {
+    throw new Error(
+      "useAnalyticsConsent must be used inside AnalyticsConsentProvider."
+    );
+  }
+  return context;
+}