Initial commit: Nosterm client (terminal-style Nostr chat SPA)

src/lib/db/repositories/identity-repository.ts

@@ -0,0 +1,27 @@
+import { getDb, type StoredIdentityRecord } from '../database';
+
+const PRIMARY = 'primary';
+
+/**
+ * storage for a remembered device identity. keeps ONLY the nip-49 ncryptsec
+ * (passphrase-encrypted secret key) — never a plaintext key. the mvp remembers
+ * a single identity under a fixed key.
+ */
+export const identityRepository = {
+	async get(): Promise<StoredIdentityRecord | undefined> {
+		return getDb().identities.get(PRIMARY);
+	},
+
+	async save(pubkey: string, ncryptsec: string): Promise<void> {
+		await getDb().identities.put({
+			key: PRIMARY,
+			pubkey,
+			ncryptsec,
+			savedAt: Date.now()
+		});
+	},
+
+	async clear(): Promise<void> {
+		await getDb().identities.delete(PRIMARY);
+	}
+};