chore: rename aelis to freya (#122)

apps/freya-backend/src/session/feed-source-provider.ts

@@ -0,0 +1,12 @@
+import type { FeedSource } from "@freya/core"
+import type { type } from "arktype"
+
+export type ConfigSchema = ReturnType<typeof type>
+
+export interface FeedSourceProvider {
+	/** The source ID this provider is responsible for (e.g., "freya.location"). */
+	readonly sourceId: string
+	/** Arktype schema for validating user-provided config. Omit if the source has no config. */
+	readonly configSchema?: ConfigSchema
+	feedSourceForUser(userId: string, config: unknown, credentials: unknown): Promise<FeedSource>
+}