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\n Klarna Payment Integration\n

\n This is the first-party context. The payment button is rendered inside\n an iframe below.\n

\n\n \n

\n \n

\n\n \n

Payment Status

\n \nWaiting for payment...\n

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\n Klarna Payment Integration\n

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\n\n \n

\n \n

\n\n \n

Payment Status

\n \nWaiting for payment...\n

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{\n readFile,\n serveFile,\n} from \"https://esm.town/v/std/utils@85-main/index.ts\";\n\nexport default async function (req: Request) {\n const url = new URL(req.url);\n const path = url.pathname;\n\n // Serve frontend files\n if (path.startsWith(\"/frontend/\")) {\n return serveFile(path, import.meta.url);\n }\n\n // Serve shared files\n if (path.startsWith(\"/shared/\")) {\n return serveFile(path, import.meta.url);\n }\n\n // Main page (first-party context)\n const html = await readFile(\"/frontend/index.html\", import.meta.url);\n return new Response(html, {\n headers: { \"Content-Type\": \"text/html\" },\n });\n}\n","label",[139],"f54e8f72-00e9-11f1-a3d1-42dde27851f2","deno.json","f54e904e-00e9-11f1-a3d1-42dde27851f2",10,["D",1770114026808],"{\n \"$schema\": \"https://raw.githubusercontent.com/denoland/deno/98f62cee78e85bfc47c62ed703777c6bc8794f1c/cli/schemas/config-file.v1.json\",\n \"lock\": false,\n \"compilerOptions\": {\n \"noImplicitAny\": false,\n \"strict\": true,\n \"types\": [\"https://www.val.town/types/valtown.d.ts\"],\n \"lib\": [\n \"dom\",\n \"dom.iterable\",\n \"dom.asynciterable\",\n \"deno.ns\",\n \"deno.unstable\"\n ]\n },\n \"lint\": {\n \"include\": [\"deno:/https/esm.town/**/*\"],\n \"rules\": {\n \"exclude\": [\"no-explicit-any\"]\n }\n },\n \"node_modules_dir\": false,\n \"experimental\": {\n \"unstable-node-globals\": true,\n \"unstable-temporal\": true,\n \"unstable-worker-options\": true,\n \"unstable-sloppy-imports\": true\n }\n}",[150],"dd78a232-1180-11f1-908f-42dde27851f2","CLAUDE.md","b5798410-117e-11f1-bf22-42dde27851f2",51,["D",1771938059261],1,"# CLAUDE.md\n\nThis file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.\n\n## Project Overview\n\nThis is a **Val Town project** — a Klarna payment integration prototype demonstrating iframe-based payment flows for the JPM (J.P. Morgan) partnership. It runs on the Val Town platform (Deno serverless runtime, not Node.js).\n\n## Running the Project\n\nThis project is deployed and run via Val Town. Locally, use the `vt` CLI:\n\n```bash\nvt dev # Start local dev server\nvt push # Deploy to Val Town\nvt pull # Pull latest from Val Town\n```\n\nThe project has a `.vt/state.json` that tracks the Val Town project ID and branch.\n\n## Architecture\n\nThe app uses a **single-iframe architecture** for Klarna payment integration:\n\n1. **`main.ts`** — HTTP request handler (Val Town entry point). Serves static files from `frontend/` and `shared/` using Val Town's `serveFile`/`readFile` utilities.\n\n2. **`frontend/index.html`** — First-party merchant page. Embeds a single `

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