{`uAgents · ${title}`}

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Not consumed by `vt` today; reserved\n# for a future repo wrapper over vt-cli (safer deploys, env checks, file typing).\nname: \"uAgents\"\norg: \"ttai\"\npublic: true # intended private; free-plan private-val limit forced public at create\n# Single HTTP service. Two surfaces:\n# /c// → customer functions (key auth; cname taken from the URL)\n# a function may or may not invoke an agent internally\n# /admin → Val Town OAuth-gated admin UI (beer.css)\n# Only index.http.ts is the HTTP val. Other files must avoid Val Town's reserved\n# filename infixes (http, cron, email, …) — e.g. core/api.ts, not core/http.ts.\nfiles:\n index.http.ts: http\n# Env vars this App reads. Set them in the Val Town UI sidebar — never in code.\n# required: App will not work without it | optional: has a safe default\n#\n# Shopify integration is per-customer: it reads `_SHOPIFY_*` (uppercased\n# customer id). Jhaji (`jjs`) → JJS_SHOPIFY_*. Add a merchant by setting their vars.\nenv:\n ADMIN_USERS: required # comma-separated Val Town usernames allowed into /admin\n OPENAI_API_KEY: required # used by the LangChain agents (/c//)\n OAUTH_STATE_ENCRYPTION_KEY: recommended # AES key for the admin OAuth session cookie; `openssl rand -base64 32`\n JJS_SHOPIFY_SHOP: optional # jjs Shopify store hostname, e.g. jhaji.myshopify.com (no scheme)\n JJS_SHOPIFY_ADMIN_TOKEN: optional # jjs Admin API access token (get-customer-info + read tools)\n JJS_SHOPIFY_STOREFRONT_TOKEN: optional # jjs Storefront API token (shopify-agent cart mutations)\n","label",[138],"39cb16b9-a70c-4194-b44e-65048df64ed1","index.http.ts",172,["D",1780928846400],8,"http","// index.http.ts — HTTP entry point, built on Hono. Two surfaces, one app:\n// /c// → customer functions (each customer is a mounted sub-app)\n// /admin → Val Town OAuth admin UI (gated to ADMIN_USERS)\n// A function may invoke an agent internally; the API doesn't distinguish.\n// This file is pure wiring; logic lives in backend/ and frontend/.\n\nimport { Hono } from \"npm:hono@^4\";\nimport { type AdminUc, getAdminUc, withValTownAuth } from \"./backend/core/auth.ts\";\nimport { buildAdminView, buildCallsView, saveAuthForm } from \"./backend/core/handlers.ts\";\nimport { apiErrorHandler } from \"./backend/core/api.ts\";\nimport { mountCustomers } from \"./backend/customers/registry.ts\";\nimport { LOGO_MIME, LOGO_SVG } from \"./frontend/assets.ts\";\nimport { renderAdmin, renderDenied, renderLogin } from \"./frontend/admin.tsx\";\nimport { renderCalls } from \"./frontend/calls.tsx\";\n\nconst app = new Hono();\n\n// -----------------------------------------------------------------------------\n// public assets — SVG logo / favicon (no auth; browser-cached)\n// -----------------------------------------------------------------------------\nconst logoResponse = () =>\n new Response(LOGO_SVG, {\n headers: { \"content-type\": LOGO_MIME, \"cache-control\": \"public, max-age=604800\" },\n });\napp.get(\"/logo.svg\", logoResponse);\napp.get(\"/favicon.ico\", logoResponse);\n\n// -----------------------------------------------------------------------------\n// admin — OAuth gate to ADMIN_USERS, then three pages\n// -----------------------------------------------------------------------------\nconst admin = new Hono<{ Variables: { uc: AdminUc } }>();\n\nadmin.use(\"*\", async (c, next) => {\n const uc = await getAdminUc(c.req.raw);\n if (!uc.isAuthed) return c.html(renderLogin(), 401);\n if (!uc.isAdmin) return c.html(renderDenied(uc.username ?? \"\"), 403);\n c.set(\"uc\", uc);\n await next();\n});\n\nadmin.get(\"/\", async (c) => {\n const uc = c.get(\"uc\");\n const saved = c.req.query(\"saved\") === \"1\";\n const view = await buildAdminView(\n uc.username ?? \"\",\n uc.avatarUrl,\n new URL(c.req.url).origin,\n saved,\n );\n return c.html(renderAdmin(view));\n});\n\nadmin.get(\"/calls\", async (c) => {\n const uc = c.get(\"uc\");\n return c.html(renderCalls(await buildCallsView(uc.username ?? \"\", uc.avatarUrl)));\n});\n\nadmin.post(\"/auth\", async (c) => {\n await saveAuthForm(c.req.raw);\n return c.redirect(\"/admin?saved=1\", 303);\n});\nadmin.onError(apiErrorHandler);\n\n// -----------------------------------------------------------------------------\n// wiring — mount surfaces; root error boundary; JSON 404\n// -----------------------------------------------------------------------------\napp.get(\"/\", (c) => c.redirect(\"/admin\"));\napp.route(\"/admin\", admin);\nmountCustomers(app);\n\napp.onError(apiErrorHandler);\napp.notFound((c) => c.json({ ok: false, error: `Not found: ${c.req.path}` }, 404));\n\nexport default withValTownAuth((req) => app.fetch(req));\n","uagents",[149],"24194f00-10cf-47fb-bd6a-e98987c1c4f6","deno.json","f353dd04-6128-11f1-ac3a-1607ee4eb77e",89,["D",1780918461984],1,"{\n \"$schema\": \"https://raw.githubusercontent.com/denoland/deno/348900b8b79f4a434cab4c74b3bc8d4d2fa8ee74/cli/schemas/config-file.v1.json\",\n \"lock\": false,\n \"compilerOptions\": {\n \"noImplicitAny\": false,\n \"strict\": false,\n \"types\": [\n \"https://www.val.town/types/valtown.d.ts\"\n ],\n \"lib\": [\n \"dom\",\n \"dom.iterable\",\n \"dom.asynciterable\",\n \"deno.ns\",\n \"deno.unstable\"\n ]\n },\n \"fmt\": {\n \"lineWidth\": 100,\n \"exclude\": [\".vt\"]\n },\n \"lint\": {\n \"exclude\": [\".vt\"],\n \"rules\": {\n \"exclude\": [\n \"no-explicit-any\",\n \"no-external-import\",\n \"no-import-prefix\"\n ]\n }\n },\n \"node_modules_dir\": false,\n \"unstable\": [\"temporal\", \"worker-options\", \"sloppy-imports\", \"node-globals\"]\n}\n",[158],"a6cb8d40-1a28-45bd-93c9-9c46666e3a0f","README.md","f3e9fe92-6128-11f1-b4a4-1607ee4eb77e",188,["D",1780929861891],12,"# uAgents\n\nA single Val Town HTTP val ([Hono](https://hono.dev) router) that exposes small, per-customer\n**functions** behind a per-customer API key, plus a [beer.css](https://www.beercss.com/) admin UI to\nmanage those keys. A function is a plain request→response unit that **may or may not invoke an\nagent** (LangChain + OpenAI) internally. Deno-native, no build step. Deployed to the `ttai` org.\nPair with **uFns** for lightweight integration endpoints.\n\nTwo surfaces, one val:\n\n| Surface | Path | Auth |\n| --------- | --------------------------- | -------------------------------------- |\n| Functions | `GET\\|POST /c//` | Bearer key, verified for that `cname` |\n| Admin UI | `GET /admin` (`/` → it) | Val Town OAuth, gated to `ADMIN_USERS` |\n\n> This repo does **not** use `vtx`. Use the native `vt` CLI directly. Pushing cleanly is your\n> responsibility.\n\n---\n\n## Layout\n\n```\nuAgents/\n index.http.ts Hono root app: admin sub-app + customer sub-apps + /logo.svg\n val.yml name, files contract, env declarations\n deno.json Deno/Val Town compiler + lint config\n backend/\n core/ cross-cutting infrastructure\n shared.ts env(), JSON helpers, mintKey()\n api.ts ApiError, readJsonObject(), error mapping ← mini framework\n db.ts SQLite: customer_auth + call_log\n auth.ts OAuth admin gate + authenticate(req, cname)\n handlers.ts admin view assembly + key-config form save\n agents/ LLM capability — functions call into this\n types.ts Agent / AgentCtx / AgentResult contract\n runtime.ts LangChain ChatOpenAI wiring + runAgent()\n tool-loop.ts generic model→tools→model loop (reusable by any agent)\n get-a-new-quote.ts the quote agent (structured output)\n shopify-agent.ts abandoned-cart sidekick (uses tool-loop + shopify tools)\n integrations/ external-service modules (one folder per integration)\n shopify/\n config.ts per-customer ShopifyConfig from _SHOPIFY_* env\n client.ts adminGql() + storefrontGql() (fetch, no SDK)\n snapshot.ts customer profile + pending orders + abandoned checkouts\n cart.ts Storefront cart read / lines add / lines remove\n tools.ts four LangChain tools bound to one store's config\n customers/ one auth scope per customer; their functions live here\n types.ts Fn / FnCtx / Customer / CustomerSpec contracts\n define.ts defineCustomer() — a Hono sub-app per customer\n builtins.ts reusable functions (echo) customers can register\n registry.ts all customers + mountCustomers() ← register here\n jjs/\n index.ts customer: Jhaji (echo, get-customer-info, shopify-agent)\n get-customer-info.ts deterministic Shopify read (no LLM)\n shopify-agent.ts function that invokes the shopify sidekick agent\n ttai/\n index.ts customer: ToughTongue AI (echo, get-a-new-quote)\n get-a-new-quote.ts function that invokes the quote agent\n frontend/\n layout.tsx Shell: beer.css doc + top app bar (logo + brand + actions + user)\n shared.tsx doc(), UserMenu/LoginLink (navbar), logout, banner\n assets.ts inline SVG \"uA\" logo → served at /logo.svg (favicon + navbar)\n admin.tsx admin (Auth + Debug tabs) / login / denied\n debug.tsx Debug tab: live runner (URL + Authorization + curl + body)\n calls.tsx Recent calls page\n types.ts admin view models\n styles/ modular CSS layers (Next.js-style)\n tokens.ts design tokens + semantic M3 aliases (palette is runtime-generated)\n base.ts document layout + typography scale\n components.ts cards, key row, tabs, chips, table, debug box\n index.ts composes layers → GLOBAL_CSS\n```\n\n> File naming: only `index.http.ts` is the HTTP entry. Val Town infers a file's val-type from\n> reserved name infixes (`http`, `cron`, `email`, …), so the mini-framework lives in `core/api.ts`,\n> **not** `core/http.ts`.\n\n---\n\n## Auth model (per-customer key, cname in the URL)\n\nThe customer (`cname`) is the first path segment: `/c//`. Auth is scoped to that cname:\n\n- Send the key as `Authorization: Bearer ` (or `X-API-Key: `).\n- Each customer is a [Hono](https://hono.dev) sub-app mounted at `/c/`. Its middleware (bound to\n that `id`) calls `authenticate(req, cname)` — loads ``'s config and compares the bearer\n token to the stored key in constant time. Rejected when the customer is unconfigured/disabled\n (403) or the key is missing/wrong (401). The customer module \"owns\" its name + validation by\n construction. A second middleware records every call (success or denied) to the call log.\n- **Admin UI** is gated by Val Town OAuth — only usernames in `ADMIN_USERS` get in.\n\nKeys are minted in the admin UI (generated on first save, rotatable), stored in SQLite, and shown in\nthe UI so you can copy them. They carry a readable `utt__` prefix, but routing no\nlonger depends on the prefix — the URL's `cname` is authoritative.\n\n---\n\n## Customers & functions\n\nEverything served over the API is a **function** — a `Fn = (ctx) => Response`. Functions are\nregistered per customer and exposed at `/c//`. A function may invoke an agent or not; the\nAPI doesn't distinguish. A customer's `index.ts` declares its functions via\n`defineCustomer({ id, label, fns })`; the factory builds a Hono sub-app, wiring auth + call-logging\nmiddleware (bound to that `id`) and a route per function. Routing, methods, and errors are Hono's\njob — there is no hand-rolled path parsing.\n\nEach customer is a folder under `backend/customers/`. To add one:\n\n1. Copy `backend/customers/jjs/` to `backend/customers//` and edit the id + label.\n2. Register it in `backend/customers/registry.ts`.\n3. In the admin UI, generate + enable its key.\n\nCurrent functions:\n\n- **`echo`** (builtin, all customers) — reflects method, query, and body back to the caller.\n- **`get-a-new-quote`** (`ttai`) — invokes a LangChain + OpenAI agent that invents a fresh, original\n quote. Output is schema-constrained (`quote`, `author`, `theme`) via structured output. Optional\n JSON body `{ \"theme\": \"courage\" }`; otherwise a theme is picked for you.\n- **`get-customer-info`** (`jjs`) — deterministic Shopify Admin read (no LLM). Body with at least\n one of `customer_id` / `email` / `phone` → profile, pending orders, abandoned checkouts.\n- **`shopify-agent`** (`jjs`) — abandoned-cart sidekick. Body `{ customer_id, cart_id, prompt }`;\n the agent reads store state and adds/removes cart lines per the prompt, returning a summary +\n actions.\n\n**Add a function** — drop a file in `backend/customers//` exporting an `Fn`, then add it to that\ncustomer's `fns` map. Reusable functions (like `echo`) live in `backend/customers/builtins.ts`.\n\n**Invoke an agent from a function** — see `customers/ttai/get-a-new-quote.ts` or\n`customers/jjs/shopify-agent.ts`: each adapts the request into an `AgentCtx` and calls `runAgent()`.\nThe runtime (`agents/runtime.ts`) owns all LLM wiring, so agents stay declarative; add new agents\nunder `backend/agents/`. Tool-using agents reuse `agents/tool-loop.ts` (model→tools→model).\n\n**Add an integration** — create `backend/integrations//` with a customer-agnostic client +\nhelpers (see `shopify/`). Resolve per-customer credentials from `__*` env so adding\na merchant is config-only.\n\n---\n\n## Environment variables\n\nSet these in the **Val Town UI sidebar** — never in code (`Deno.env.set()` is a no-op on Val Town).\nOur own vars are read through `env()` in `backend/core/shared.ts`; declared in `val.yml`.\n`OAUTH_STATE_ENCRYPTION_KEY` is read directly by the Val Town OAuth middleware (`std/oauth`).\n\n| Var | Status | Used by | Purpose |\n| ------------------------------ | ----------- | --------------------------------- | ------------------------------------------------------------ |\n| `ADMIN_USERS` | required | `core/auth.ts` (`/admin`) | Comma-separated Val Town usernames allowed into the admin |\n| `OPENAI_API_KEY` | required | `agents/runtime.ts` | OpenAI key for the LangChain agents (agent-backed functions) |\n| `OAUTH_STATE_ENCRYPTION_KEY` | recommended | `std/oauth` via `withValTownAuth` | AES-GCM key material that encrypts the admin session cookie |\n| `JJS_SHOPIFY_SHOP` | optional | `integrations/shopify` (`jjs`) | jjs store hostname, e.g. `jhaji.myshopify.com` (no scheme) |\n| `JJS_SHOPIFY_ADMIN_TOKEN` | optional | `integrations/shopify` (`jjs`) | jjs Admin API token — `get-customer-info` + agent read tools |\n| `JJS_SHOPIFY_STOREFRONT_TOKEN` | optional | `integrations/shopify` (`jjs`) | jjs Storefront API token — `shopify-agent` cart mutations |\n\nNotes:\n\n- `ADMIN_USERS` example: `alice,bob`. Empty/unset ⇒ nobody can reach `/admin` (everyone is denied).\n- `OPENAI_API_KEY` only matters for agents. Unset ⇒ agent-backed functions return **503**; plain\n functions (e.g. `echo`) still work.\n- `JJS_SHOPIFY_*` only matter for the `jjs` Shopify functions. The integration reads\n `_SHOPIFY_*` (uppercased id), so a new merchant is config-only. Unset ⇒ those functions\n return **503**. Storefront token is needed only for cart mutations (`shopify-agent`).\n- `OAUTH_STATE_ENCRYPTION_KEY` — if unset, the middleware auto-generates a key and stores it in Val\n Town blob storage per redirect URI. That works, but **set it explicitly** so admin sessions\n survive redeploys and work on self-hosted runtimes. Any high-entropy string works (it's SHA-256'd\n to a 256-bit AES key); generate one with:\n\n```bash\n# generate a 32-byte base64 key (macOS: append `| pbcopy` to copy it)\nopenssl rand -base64 32\n```\n\nThen paste the value into the val's **Environment Variables** sidebar as\n`OAUTH_STATE_ENCRYPTION_KEY`. `vt` does not manage env vars — they must be set in the Val Town UI.\n\n---\n\n## Local → Val Town with `vt`\n\nRun from **inside this directory** (`exp/vals/uAgents/`).\n\n```bash\nvt status # review what changed\nvt push # push (forceful — revert via the Val Town website if needed)\nvt browse # open the deployed val\n```\n\nFirst push of a brand-new val: `vt create uAgents .`. To link an existing remote val, `vt clone` it\nto a temp dir and move its `.vt/` folder next to this code. After pushing, set the\n[environment variables](#environment-variables) in the Val Town UI.\n\n---\n\n## Try it\n\n```bash\n# 1. In /admin, generate + enable a key for \"ttai\", then:\nexport VT_TTAI_APP_TOKEN=\"generate-from-admin-ui\"\nexport VT_JJS_APP_TOKEN=\"generate-from-admin-ui\"\n\n# plain function (echo)\ncurl -X POST https://uagents.val.run/c/ttai/echo \\\n -H \"Authorization: Bearer $VT_TTAI_APP_TOKEN\" \\\n -H \"Content-Type: application/json\" -d '{\"hi\":\"there\"}'\n\n# agent-backed function (fresh quote)\ncurl -X POST https://uagents.val.run/c/ttai/get-a-new-quote \\\n -H \"Authorization: Bearer $VT_TTAI_APP_TOKEN\" \\\n -H \"Content-Type: application/json\" -d '{\"theme\":\"craftsmanship\"}'\n```\n\nNegative paths (auth + routing) — handy as a quick smoke test:\n\n```bash\nBASE=https://uagents.val.run\n\n# missing key → 401\ncurl -s -o /dev/null -w '%{http_code}\\n' -X POST \"$BASE/c/ttai/echo\" -d '{}'\n\n# wrong key → 401\ncurl -s -o /dev/null -w '%{http_code}\\n' -X POST \"$BASE/c/ttai/echo\" \\\n -H \"Authorization: Bearer nope\" -d '{}'\n\n# unknown customer → 404\ncurl -s -o /dev/null -w '%{http_code}\\n' -X POST \"$BASE/c/nope/echo\" \\\n -H \"Authorization: Bearer $VT_TTAI_APP_TOKEN\" -d '{}'\n\n# unknown function on a real customer → 404\ncurl -s -o /dev/null -w '%{http_code}\\n' -X POST \"$BASE/c/ttai/nope\" \\\n -H \"Authorization: Bearer $VT_TTAI_APP_TOKEN\" -d 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types.ts — View models passed from backend handlers into the admin UI.\n\nexport interface CustomerView {\n id: string;\n label: string;\n fns: string[];\n secret: string;\n enabled: boolean;\n configured: boolean;\n updatedTs: string;\n sampleBodies: Record>; // fn name → example POST body\n}\n\nexport interface CallView {\n id: number;\n customer: string;\n fn: string;\n ok: boolean;\n ts: string;\n}\n\nexport interface AdminView {\n username: string;\n avatarUrl?: string;\n baseUrl: string;\n customers: CustomerView[];\n saved: boolean;\n}\n\nexport interface CallsView {\n username: string;\n avatarUrl?: string;\n calls: CallView[];\n}\n",[],[174,258],"169b2da2-3a44-4db2-a68f-2b2704d95221","shared.tsx","fe520698-632d-11f1-aacf-1607ee4eb77e",193,["D",1780931467726],"/** @jsxImportSource https://esm.sh/preact@10.29.1 */\n// shared.tsx — Render helpers + navbar/chrome shared across admin pages.\n\nimport { render } from \"https://esm.sh/preact-render-to-string@6.6.7?deps=preact@10.29.1\";\nimport type { VNode } from \"https://esm.sh/preact@10.29.1\";\n\n/** Serialize a Preact tree into a full HTML document string. */\nexport function doc(node: VNode): string {\n return \"\" + render(node);\n}\n\n/** SQLite `YYYY-MM-DD HH:MM:SS` (UTC) → ISO string for ``. */\nexport function isoUtc(ts: string): string {\n return ts.replace(\" \", \"T\") + \"Z\";\n}\n\n/** Signed-in user pill (avatar + name). Clicking reveals the sign-out popover —\n * toggled by USER_MENU_JS in the Shell. */\nexport function UserMenu({ username, avatarUrl }: { username: string; avatarUrl?: string }) {\n return (\n \n );\n}\n\n/** Signed-out affordance for the top app bar. */\nexport function LoginLink() {\n return (\n \n login\n Sign in\n \n );\n}\n\n/** Sign-out form button; `small` renders the compact variant for the user popover. */\nexport function LogoutButton({ small }: { small?: boolean }) {\n return (\n \n );\n}\n\n/** Inline confirmation shown after a successful key-config save. */\nexport function SavedBanner() {\n return (\n

\n check_circle Saved.\n

\n );\n}\n",[],[174,267],"3366be11-3c03-458d-a27e-0ef0e72ffa6b","layout.tsx","f3474b16-6128-11f1-b4a4-1607ee4eb77e",161,["D",1780926782713],7,"/** @jsxImportSource https://esm.sh/preact@10.29.1 */\n// layout.tsx — Shared beer.css (Material Design 3) document shell. The top app bar\n// is the app's persistent chrome: brand on the left; page actions, the signed-in\n// user, and sign-out on the right. Styling comes from the modular styles/ layer.\n\nimport type { ComponentChildren } from \"https://esm.sh/preact@10.29.1\";\nimport { GLOBAL_CSS } from \"./styles/index.ts\";\nimport { LOGO_SVG } from \"./assets.ts\";\nimport { LoginLink, UserMenu } from \"./shared.tsx\";\n\nconst BEER_CSS = \"https://cdn.jsdelivr.net/npm/beercss@4.0.21/dist/cdn/beer.min.css\";\nconst BEER_JS = \"https://cdn.jsdelivr.net/npm/beercss@4.0.21/dist/cdn/beer.min.js\";\nconst MDC_JS =\n \"https://cdn.jsdelivr.net/npm/material-dynamic-colors@1.1.2/dist/cdn/material-dynamic-colors.min.js\";\nconst ICONS =\n \"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@40,400,0,0\";\n\n/** Brand seed — beer.css generates the full M3 palette from this at runtime. */\nconst BRAND_SEED = \"#2E6BE6\";\n\nexport interface ShellUser {\n username: string;\n avatarUrl?: string;\n}\n\ninterface ShellProps {\n title: string;\n user?: ShellUser;\n navActions?: ComponentChildren;\n children: ComponentChildren;\n}\n\n/** Full HTML document: top app bar (brand + actions + user) and a page container. */\nexport function Shell({ title, user, navActions, children }: ShellProps) {\n return (\n \n \n \n \n {`uAgents · ${title}`}\n \n \n \n \n \n

Diff · v201