Bygg NeuroSemantics AI: minimal mobilapp, en backend, IaC och CI/CD
Ersätter den tidigare webappen på denna branch med ett fokuserat monorepo: - apps/mobile: Expo/React Native med tre vyer (Welcome, Chat, Paywall), Cognito hosted UI-inloggning (Apple/Google/e-post) och In-App Purchase/Play Billing via en gemensam purchases-modul. - services/api: en enda Lambda-backend — OpenAI Responses API med Markdown-kunskapsbas som systeminstruktioner, free tier-gräns i PostgreSQL (HTTP 402 -> paywall) och kvittoverifiering bakom ett delat PaymentProvider-interface (Apple/Google, Stripe kan läggas till för webb senare). - infra: AWS CDK-stack med API Gateway (JWT-authorizer), Lambda, Cognito, Aurora Serverless v2 och Secrets Manager. - db/migrations: minimal datamodell (users + usage), inga konversationer sparas. - GitHub Actions: CI (lint, typecheck, test) och deploy från main. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0118DaxZR36RpnY524vRqx3z
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import { GetSecretValueCommand, SecretsManagerClient } from '@aws-sdk/client-secrets-manager';
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const client = new SecretsManagerClient({});
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const cache = new Map<string, Record<string, string>>();
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/**
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* Fetches a JSON secret from AWS Secrets Manager and caches it for the
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* lifetime of the Lambda container.
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*/
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export async function getSecret(arn: string): Promise<Record<string, string>> {
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const cached = cache.get(arn);
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if (cached) return cached;
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const result = await client.send(new GetSecretValueCommand({ SecretId: arn }));
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if (!result.SecretString) {
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throw new Error(`Secret ${arn} has no string value`);
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}
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const parsed = JSON.parse(result.SecretString) as Record<string, string>;
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cache.set(arn, parsed);
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return parsed;
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}
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