Port PDF/Office support, message editor, overlays, key setter

packages/browser-extension/src/state/KeyStore.ts

@@ -0,0 +1,50 @@
+import { getProviders } from "@mariozechner/pi-ai";
+
+/**
+ * Interface for API key storage
+ */
+export interface KeyStore {
+	getKey(provider: string): Promise<string | null>;
+	setKey(provider: string, key: string): Promise<void>;
+	removeKey(provider: string): Promise<void>;
+	getAllKeys(): Promise<Record<string, boolean>>; // provider -> isConfigured
+}
+
+/**
+ * Chrome storage implementation of KeyStore
+ */
+class ChromeKeyStore implements KeyStore {
+	private readonly prefix = "apiKey_";
+
+	async getKey(provider: string): Promise<string | null> {
+		const key = `${this.prefix}${provider}`;
+		const result = await chrome.storage.local.get(key);
+		return result[key] || null;
+	}
+
+	async setKey(provider: string, key: string): Promise<void> {
+		const storageKey = `${this.prefix}${provider}`;
+		await chrome.storage.local.set({ [storageKey]: key });
+	}
+
+	async removeKey(provider: string): Promise<void> {
+		const key = `${this.prefix}${provider}`;
+		await chrome.storage.local.remove(key);
+	}
+
+	async getAllKeys(): Promise<Record<string, boolean>> {
+		const providers = getProviders();
+		const storage = await chrome.storage.local.get();
+		const result: Record<string, boolean> = {};
+
+		for (const provider of providers) {
+			const key = `${this.prefix}${provider}`;
+			result[provider] = !!storage[key];
+		}
+
+		return result;
+	}
+}
+
+// Export singleton instance
+export const keyStore = new ChromeKeyStore();