diff --git a/.dockerignore b/.dockerignore
index a236b55..8fd302d 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -11,18 +11,18 @@ __pycache__/
 # Generated code — regenerated inside the image by `rbt
 # generate`.
 backend/api/
-web/api/
+frontend/api/
 
-# Node sources / deps / caches — we only copy `web/dist/`
+# Node sources / deps / caches — we only copy `frontend/dist/`
 # into the image.
-web/node_modules/
-web/ui/
-web/src/
-web/package.json
-web/package-lock.json
-web/tsconfig*.json
-web/vite.config.ts
-web/index.css
+frontend/node_modules/
+frontend/mcp/
+frontend/src/
+frontend/package.json
+frontend/package-lock.json
+frontend/tsconfig*.json
+frontend/vite.config.ts
+frontend/index.css
 
 # VCS.
 .git/
diff --git a/.gitignore b/.gitignore
index ffb85d3..f730f86 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,7 +8,7 @@ __pycache__/
 
 # Generated API code (from `rbt generate`).
 backend/api/
-web/api/
+frontend/api/
 
 # Reboot runtime state.
 .rbt/
@@ -21,8 +21,8 @@ web/api/
 .pytest_cache/
 
 # Node / web build artifacts.
-web/node_modules/
-web/dist/
+frontend/node_modules/
+frontend/dist/
 
 # IDE / editor.
 .idea/
diff --git a/.rbtrc b/.rbtrc
index 205eb8f..890ac61 100644
--- a/.rbtrc
+++ b/.rbtrc
@@ -4,12 +4,12 @@ generate api/
 # Tell `rbt generate` where to put generated files.
 generate --python=backend/api/
 
-# Generate React bindings for web apps (into "web/api/").
-generate --react=web/api
-generate --react-extensions
+# Generate React bindings for web apps (into "frontend/api/").
+generate --react=frontend/api
 
 # Watch if any source files are modified.
 dev run --watch=backend/**/*.py
+dev run --watch=frontend/dist/**/*.html
 
 # Tell `rbt` that this is a Python application.
 dev run --python
@@ -24,23 +24,28 @@ dev run --application=backend/src/main.py
 dev run --default-config=hmr
 
 # Hot Module Replacement (HMR): Vite dev server proxied through Envoy.
-# Run Vite in a separate terminal: cd web && npm run dev
-# Envoy routes "/__/web/**" to Vite for HMR support.
-dev run:hmr --mcp-frontend-host=http://localhost:4444
+# Run Vite in a separate terminal: cd frontend && npm run dev
+# Envoy routes "/__/frontend/**" to Vite for HMR support.
+dev run --frontend-root-path=frontend
 
-# Dist mode: serve pre-built artifacts from "web/dist/" (no Vite HMR).
+dev run:hmr --frontend-host=http://localhost:4444
+
+# Dist mode: serve pre-built artifacts from "frontend/dist/" (no Vite HMR).
 # Usage: uv run rbt dev run --config=dist
-# Requires: cd web && npm run build
-dev run:dist --mcp-frontend-host=""
+# Requires: cd frontend && npm run build
+dev run:dist --frontend-dist-path=frontend/dist
 
 # When expunging, expunge that state we've saved.
 dev expunge --application-name=agent-wiki
 
 # Production (`rbt serve run`) settings, used by the Dockerfile
-# when deploying to the Reboot Cloud. In production `web/dist/`
-# is served from disk, so no `--mcp-frontend-host` is needed
-# (that flag is dev-only anyway).
+# when deploying to the Reboot Cloud. In production the built
+# `frontend/dist/` is served on disk by the static-file server
+# (`--frontend-dist-path`); the `--frontend-host` Vite dev server
+# is dev-only.
 serve run --python
+serve run --frontend-dist-path=frontend/dist
+serve run --frontend-root-path=frontend
 serve run --application-name=agent-wiki
 serve run --application=backend/src/main.py
 
diff --git a/BUILD.bazel b/BUILD.bazel
index 3afcc40..624740a 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -15,9 +15,9 @@ filegroup(
             ".pytest_cache/**/*",
             ".mypy_cache/**/*",
             "backend/api/**/*",
-            "web/api/**/*",
-            "web/node_modules/**/*",
-            "web/dist/**/*",
+            "frontend/api/**/*",
+            "frontend/node_modules/**/*",
+            "frontend/dist/**/*",
         ],
     ),
     visibility = ["//visibility:public"],
diff --git a/Dockerfile b/Dockerfile
index 442307c..7af8876 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 # Dockerfile for deploying agent-wiki to Reboot Cloud.
 #
-# Prerequisite: run `cd web && npm install && npm run build`
-# locally before `docker build` so that `web/dist/` contains the
-# bundled UIs. This image copies that prebuilt bundle rather
+# Prerequisite: run `cd frontend && npm install && npm run build`
+# locally before `docker build` so that `frontend/dist/` contains
+# the bundled UIs. This image copies that prebuilt bundle rather
 # than installing Node and rebuilding it here.
-FROM ghcr.io/reboot-dev/reboot-base:1.2.1
+FROM ghcr.io/reboot-dev/reboot-base:1.3.0
 
 WORKDIR /app
 
@@ -32,7 +32,7 @@ RUN rbt generate
 COPY backend/src/ backend/src/
 
 # Copy the prebuilt web bundle.
-COPY web/dist/ web/dist/
+COPY frontend/dist/ frontend/dist/
 
 # Make the Pydantic API definitions in `api/` and the generated
 # Reboot bindings in `backend/api/` both importable. They share
diff --git a/README.md b/README.md
index c68e8c4..3ff649d 100644
--- a/README.md
+++ b/README.md
@@ -77,13 +77,13 @@ for manual fix-ups).
 uv sync
 
 # Install web dependencies.
-cd web && npm install && cd ..
+cd frontend && npm install && cd ..
 
 # Generate API code (Python + React bindings).
 uv run rbt generate
 
 # Build the React UIs.
-cd web && npm run build && cd ..
+cd frontend && npm run build && cd ..
 ```
 
 The librarian runs on Anthropic's Claude via Pydantic AI, so
@@ -114,7 +114,7 @@ project directory):
 uv run rbt dev run
 
 # Terminal 2: start the Vite dev server for Hot Module Replacement.
-cd web && npm run dev
+cd frontend && npm run dev
 ```
 
 Then open <http://localhost:9991> and follow the setup wizard to
@@ -184,9 +184,9 @@ agent-wiki/
 │       ├── main.py             # Application entrypoint.
 │       └── servicers/wiki.py   # User/Wiki/Page/Transcript servicers
 │                               # plus the Pydantic AI librarian agent.
-└── web/
+└── frontend/
     ├── api/                    # Generated React bindings.
-    └── ui/
+    └── mcp/
         ├── wiki_view/          # Renders a Wiki's markdown body.
         ├── page_view/          # Renders a Page's markdown body.
         ├── transcript_view/    # Renders a raw Transcript.
diff --git a/api/agent_wiki/v1/wiki.py b/api/agent_wiki/v1/wiki.py
index 262114d..1ab7bd9 100644
--- a/api/agent_wiki/v1/wiki.py
+++ b/api/agent_wiki/v1/wiki.py
@@ -196,7 +196,7 @@ class TranscriptUpdateRequest(Model):
         methods=Methods(
             show_wiki=UI(
                 request=None,
-                path="web/ui/wiki_view",
+                path="frontend/mcp/wiki_view",
                 title="Wiki",
                 description="Open the Wiki viewer UI to "
                 "render the Wiki's markdown body.",
@@ -285,7 +285,7 @@ class TranscriptUpdateRequest(Model):
         methods=Methods(
             show_page=UI(
                 request=None,
-                path="web/ui/page_view",
+                path="frontend/mcp/page_view",
                 title="Page",
                 description="Open the Page viewer UI to "
                 "render the Page's markdown body.",
@@ -333,7 +333,7 @@ class TranscriptUpdateRequest(Model):
         methods=Methods(
             show_transcript=UI(
                 request=None,
-                path="web/ui/transcript_view",
+                path="frontend/mcp/transcript_view",
                 title="Transcript",
                 description="Open the Transcript viewer "
                 "UI to read the raw conversation "
diff --git a/backend/tests/wiki_test.py b/backend/tests/wiki_test.py
index 89655be..89f8edd 100644
--- a/backend/tests/wiki_test.py
+++ b/backend/tests/wiki_test.py
@@ -19,8 +19,7 @@
 )
 from pydantic_ai.models.function import AgentInfo, FunctionModel
 from reboot.aio.applications import Application
-from reboot.aio.auth.oauth_providers import Anonymous
-from reboot.aio.tests import OAuthProviderForTest, Reboot
+from reboot.aio.tests import Reboot
 from servicers import wiki as wiki_module
 from servicers.wiki import (
     PageServicer,
@@ -89,15 +88,12 @@ async def asyncSetUp(self) -> None:
         await self.rbt.up(
             Application(
                 servicers=APPLICATION_SERVICERS,
-                oauth=OAuthProviderForTest(Anonymous()),
             ),
         )
         self.user_id = "alice"
-        self.context = self.rbt.create_external_context(
+        self.context = await self.rbt.create_external_context_as(
             name=f"test-{self.id()}",
-            bearer_token=self.rbt.make_valid_oauth_access_token(
-                user_id=self.user_id,
-            ),
+            user_id=self.user_id,
         )
         # `User` is an auto-constructed state type: in
         # production the MCP session's "new session" hook
diff --git a/frontend/.tests/type_check.sh b/frontend/.tests/type_check.sh
new file mode 100755
index 0000000..bc07c03
--- /dev/null
+++ b/frontend/.tests/type_check.sh
@@ -0,0 +1,72 @@
+#!/bin/bash
+
+# Type-checks this example's frontend end-to-end: it generates the
+# typed Reboot clients from the example's own `.rbtrc` using the
+# `rbt` CLI, installs the frontend's JavaScript dependencies
+# overlaid with the locally built Reboot npm packages, and runs
+# `tsc` over the frontend project. This applies the checks a
+# developer's editor and the Vite toolchain apply (`strict`,
+# `verbatimModuleSyntax`, ...), which the esbuild-based bundling
+# steps skip.
+
+set -e # Exit if a command exits with an error.
+set -u # Treat expanding an unset variable as an error.
+set -x # Echo executed commands to help debug failures.
+
+# The harness copies the whole example into a sandbox and runs us
+# from its root, where the top-level `.rbtrc`, `api/`, and
+# `pyproject.toml` live. We generate from here and only
+# `cd frontend` later, for the type check.
+ls -l .rbtrc pyproject.toml frontend/tsconfig.json 2> /dev/null > /dev/null || {
+  echo "ERROR: could not find the example's files. Invoke this from"
+  echo "the example's root. Current working directory is '$(pwd)'."
+  exit 1
+}
+
+# Set up the Python environment: the example is a Python project, so
+# we generate with the Python `rbt`, which reads the example's own
+# `.rbtrc` and emits the Python and React clients in one pass — the
+# React one into `frontend/api/`. In a Bazel test we install the
+# locally built wheel over the pinned version.
+if [[ -n "${REBOOT_WHL_FILE:-}" ]]; then
+  uv add --no-sync "${SANDBOX_ROOT}${REBOOT_WHL_FILE}"
+fi
+
+# Force a fresh virtualenv. A pre-existing `.venv/` has its original
+# creation path baked into its `activate` script and console-script
+# shebangs, which breaks them when the venv is used from a different
+# location; `uv sync` alone can't repair a relocated venv. Nuking
+# and re-syncing guarantees the venv lives at the current path.
+rm -rf .venv
+uv sync
+source .venv/bin/activate
+
+# When running in a Bazel test, our `.rbtrc` file ends up in a very
+# deep directory structure, which can result in "path too long"
+# errors from RocksDB. Explicitly specify a shorter path.
+RBT_FLAGS="--state-directory=$(mktemp -d)"
+
+# Generate the clients from the example's `.rbtrc`. The frontend
+# imports the generated `frontend/api/` modules, so this must run
+# before the type check.
+rbt $RBT_FLAGS generate
+
+# Install the frontend's JavaScript dependencies. In a Bazel test we
+# overlay the locally built Reboot npm packages with `--no-save` so
+# the check exercises the in-repo client rather than a published
+# release; `npm install` still resolves the rest (React, Vite, ...)
+# from `package.json`.
+cd frontend
+if [[ -n "${REBOOT_NPM_PACKAGE:-}" ]]; then
+  npm install --no-save \
+    "${SANDBOX_ROOT}${REBOOT_NPM_PACKAGE}" \
+    "${SANDBOX_ROOT}${REBOOT_API_NPM_PACKAGE}" \
+    "${SANDBOX_ROOT}${REBOOT_WEB_NPM_PACKAGE}" \
+    "${SANDBOX_ROOT}${REBOOT_REACT_NPM_PACKAGE}"
+else
+  npm install
+fi
+
+# Run the frontend's real build command, so we exercise the exact
+# command a developer runs.
+npm run build
diff --git a/frontend/build.mjs b/frontend/build.mjs
new file mode 100644
index 0000000..9e5076d
--- /dev/null
+++ b/frontend/build.mjs
@@ -0,0 +1,39 @@
+// Builds every Reboot UI in this frontend in one shot, so
+// `npm run build` keeps working as UIs are added or removed.
+//
+// `vite.config.ts` knows how to build a *single* target, selected by
+// the `RBT_BUILD_TARGET` env var (`mcp:<name>` for one MCP UI, or
+// `web` for the SPA). This script is the discover-and-loop around it:
+// it finds every `mcp/<name>/index.html`, builds each into
+// `dist/mcp/<name>/index.html`, then builds the `web/` SPA into
+// `dist/web/` if a `web/index.html` exists.
+import fs from "fs";
+import path from "path";
+import { fileURLToPath } from "url";
+import { build } from "vite";
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+// Auto-discover MCP UIs: every `mcp/<name>/` with an `index.html`.
+const mcpDir = path.resolve(__dirname, "mcp");
+const mcpNames = fs.existsSync(mcpDir)
+  ? fs
+      .readdirSync(mcpDir)
+      .filter((name) => fs.existsSync(path.resolve(mcpDir, name, "index.html")))
+  : [];
+
+// Build each MCP UI. `vite.config.ts` reads the target from
+// `RBT_BUILD_TARGET`; we leave Vite's `mode` at its build default
+// (`production`) so a `web/.env.production` would be honored.
+for (const name of mcpNames) {
+  console.log(`Building mcp/${name} ...`);
+  process.env.RBT_BUILD_TARGET = `mcp:${name}`;
+  await build();
+}
+
+// Build the standalone `web/` SPA if it exists.
+if (fs.existsSync(path.resolve(__dirname, "web", "index.html"))) {
+  console.log("Building web ...");
+  process.env.RBT_BUILD_TARGET = "web";
+  await build();
+}
diff --git a/web/index.css b/frontend/index.css
similarity index 100%
rename from web/index.css
rename to frontend/index.css
diff --git a/web/ui/_shared/Markdown.module.css b/frontend/mcp/_shared/Markdown.module.css
similarity index 100%
rename from web/ui/_shared/Markdown.module.css
rename to frontend/mcp/_shared/Markdown.module.css
diff --git a/web/ui/_shared/Markdown.tsx b/frontend/mcp/_shared/Markdown.tsx
similarity index 100%
rename from web/ui/_shared/Markdown.tsx
rename to frontend/mcp/_shared/Markdown.tsx
diff --git a/web/ui/page_view/App.module.css b/frontend/mcp/page_view/App.module.css
similarity index 100%
rename from web/ui/page_view/App.module.css
rename to frontend/mcp/page_view/App.module.css
diff --git a/web/ui/page_view/App.tsx b/frontend/mcp/page_view/App.tsx
similarity index 55%
rename from web/ui/page_view/App.tsx
rename to frontend/mcp/page_view/App.tsx
index 47a7293..8d9aba2 100644
--- a/web/ui/page_view/App.tsx
+++ b/frontend/mcp/page_view/App.tsx
@@ -1,10 +1,32 @@
 import { type FC } from "react";
-import { usePage } from "@api/agent_wiki/v1/wiki_rbt_react";
+import { type UsePageApi, usePage } from "@api/agent_wiki/v1/wiki_rbt_react";
 import { Markdown } from "../_shared/Markdown";
 import css from "./App.module.css";
 
 export const PageView: FC = () => {
-  const page = usePage();
+  const { page, isLoading } = usePage();
+
+  if (isLoading) {
+    return (
+      <div className={css.container}>
+        <div className={css.loading}>loading...</div>
+      </div>
+    );
+  }
+
+  if (page === undefined) {
+    console.error("No default Page id was available; cannot render.");
+    return (
+      <div className={css.container}>
+        <div className={css.loading}>An error occurred, sorry about that!</div>
+      </div>
+    );
+  }
+
+  return <Page page={page} />;
+};
+
+const Page: FC<{ page: UsePageApi }> = ({ page }) => {
   const { response, isLoading } = page.useGet();
 
   if (isLoading && response === undefined) {
diff --git a/web/ui/page_view/index.html b/frontend/mcp/page_view/index.html
similarity index 100%
rename from web/ui/page_view/index.html
rename to frontend/mcp/page_view/index.html
diff --git a/web/ui/page_view/main.tsx b/frontend/mcp/page_view/main.tsx
similarity index 100%
rename from web/ui/page_view/main.tsx
rename to frontend/mcp/page_view/main.tsx
diff --git a/web/ui/transcript_view/App.module.css b/frontend/mcp/transcript_view/App.module.css
similarity index 100%
rename from web/ui/transcript_view/App.module.css
rename to frontend/mcp/transcript_view/App.module.css
diff --git a/web/ui/transcript_view/App.tsx b/frontend/mcp/transcript_view/App.tsx
similarity index 59%
rename from web/ui/transcript_view/App.tsx
rename to frontend/mcp/transcript_view/App.tsx
index ee54c88..d9da069 100644
--- a/web/ui/transcript_view/App.tsx
+++ b/frontend/mcp/transcript_view/App.tsx
@@ -1,9 +1,34 @@
 import { type FC } from "react";
-import { useTranscript } from "@api/agent_wiki/v1/wiki_rbt_react";
+import {
+  type UseTranscriptApi,
+  useTranscript,
+} from "@api/agent_wiki/v1/wiki_rbt_react";
 import css from "./App.module.css";
 
 export const TranscriptView: FC = () => {
-  const transcript = useTranscript();
+  const { transcript, isLoading } = useTranscript();
+
+  if (isLoading) {
+    return (
+      <div className={css.container}>
+        <div className={css.loading}>loading...</div>
+      </div>
+    );
+  }
+
+  if (transcript === undefined) {
+    console.error("No default Transcript id was available; cannot render.");
+    return (
+      <div className={css.container}>
+        <div className={css.loading}>An error occurred, sorry about that!</div>
+      </div>
+    );
+  }
+
+  return <Transcript transcript={transcript} />;
+};
+
+const Transcript: FC<{ transcript: UseTranscriptApi }> = ({ transcript }) => {
   const { response, isLoading } = transcript.useGet();
 
   if (isLoading && response === undefined) {
diff --git a/web/ui/transcript_view/index.html b/frontend/mcp/transcript_view/index.html
similarity index 100%
rename from web/ui/transcript_view/index.html
rename to frontend/mcp/transcript_view/index.html
diff --git a/web/ui/transcript_view/main.tsx b/frontend/mcp/transcript_view/main.tsx
similarity index 100%
rename from web/ui/transcript_view/main.tsx
rename to frontend/mcp/transcript_view/main.tsx
diff --git a/web/ui/wiki_view/App.module.css b/frontend/mcp/wiki_view/App.module.css
similarity index 100%
rename from web/ui/wiki_view/App.module.css
rename to frontend/mcp/wiki_view/App.module.css
diff --git a/web/ui/wiki_view/App.tsx b/frontend/mcp/wiki_view/App.tsx
similarity index 59%
rename from web/ui/wiki_view/App.tsx
rename to frontend/mcp/wiki_view/App.tsx
index b4227c8..61295f8 100644
--- a/web/ui/wiki_view/App.tsx
+++ b/frontend/mcp/wiki_view/App.tsx
@@ -1,10 +1,32 @@
 import { type FC } from "react";
-import { useWiki } from "@api/agent_wiki/v1/wiki_rbt_react";
+import { type UseWikiApi, useWiki } from "@api/agent_wiki/v1/wiki_rbt_react";
 import { Markdown } from "../_shared/Markdown";
 import css from "./App.module.css";
 
 export const WikiView: FC = () => {
-  const wiki = useWiki();
+  const { wiki, isLoading } = useWiki();
+
+  if (isLoading) {
+    return (
+      <div className={css.container}>
+        <div className={css.loading}>loading...</div>
+      </div>
+    );
+  }
+
+  if (wiki === undefined) {
+    console.error("No default Wiki id was available; cannot render.");
+    return (
+      <div className={css.container}>
+        <div className={css.loading}>An error occurred, sorry about that!</div>
+      </div>
+    );
+  }
+
+  return <Wiki wiki={wiki} />;
+};
+
+const Wiki: FC<{ wiki: UseWikiApi }> = ({ wiki }) => {
   const { response, isLoading } = wiki.useGet();
 
   if (isLoading && response === undefined) {
diff --git a/web/ui/wiki_view/index.html b/frontend/mcp/wiki_view/index.html
similarity index 100%
rename from web/ui/wiki_view/index.html
rename to frontend/mcp/wiki_view/index.html
diff --git a/web/ui/wiki_view/main.tsx b/frontend/mcp/wiki_view/main.tsx
similarity index 100%
rename from web/ui/wiki_view/main.tsx
rename to frontend/mcp/wiki_view/main.tsx
diff --git a/web/package-lock.json b/frontend/package-lock.json
similarity index 93%
rename from web/package-lock.json
rename to frontend/package-lock.json
index aaa47c6..a29a2f3 100644
--- a/web/package-lock.json
+++ b/frontend/package-lock.json
@@ -10,8 +10,8 @@
       "dependencies": {
         "@modelcontextprotocol/ext-apps": "1.5.0",
         "@modelcontextprotocol/sdk": "1.29.0",
-        "@reboot-dev/reboot-api": "1.2.1",
-        "@reboot-dev/reboot-react": "1.2.1",
+        "@reboot-dev/reboot-api": "1.3.0",
+        "@reboot-dev/reboot-react": "1.3.0",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
         "react-markdown": "^10.1.0",
@@ -19,10 +19,10 @@
         "zod": "^4.0.0"
       },
       "devDependencies": {
+        "@types/node": "^20.11.5",
         "@types/react": "^18.2.67",
         "@types/react-dom": "^18.2.22",
         "@vitejs/plugin-react": "^4.7.0",
-        "concurrently": "^9.1.2",
         "typescript": "^5.9.2",
         "vite": "^6.3.5",
         "vite-plugin-singlefile": "^2.0.3"
@@ -888,9 +888,9 @@
       }
     },
     "node_modules/@reboot-dev/reboot-api": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/@reboot-dev/reboot-api/-/reboot-api-1.2.1.tgz",
-      "integrity": "sha512-CmrL7P/dtm+DBMWLWijs+NIlt0PKmdelwmP3Efmsz9x1dkICn6iq/MOh7FLVe2gcHubKL6RuiwO3vOOBVzObPg==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@reboot-dev/reboot-api/-/reboot-api-1.3.0.tgz",
+      "integrity": "sha512-LgkAGdIWT3sK80w27zSAU5OG2/Sf0t9lvcky5Bj8M0aRElqVhQGQZPma1Qk6vKVtvfZSCYRTqye7C4ULJeNExw==",
       "license": "Apache-2.0",
       "dependencies": {
         "@scarf/scarf": "1.4.0",
@@ -915,15 +915,15 @@
       }
     },
     "node_modules/@reboot-dev/reboot-react": {
-      "version": "1.2.1",
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-        "y18n": "^5.0.5",
-        "yargs-parser": "^21.1.1"
-      },
-      "engines": {
-        "node": ">=12"
-      }
-    },
-    "node_modules/yargs-parser": {
-      "version": "21.1.1",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-21.1.1.tgz",
-      "integrity": "sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==",
-      "dev": true,
-      "license": "ISC",
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/zod": {
       "version": "4.4.3",
       "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
diff --git a/frontend/package.json b/frontend/package.json
new file mode 100644
index 0000000..1114b85
--- /dev/null
+++ b/frontend/package.json
@@ -0,0 +1,30 @@
+{
+  "name": "agent-wiki-web",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "tsc -b && node build.mjs"
+  },
+  "dependencies": {
+    "@modelcontextprotocol/ext-apps": "1.5.0",
+    "@modelcontextprotocol/sdk": "1.29.0",
+    "@reboot-dev/reboot-api": "1.3.0",
+    "@reboot-dev/reboot-react": "1.3.0",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "react-markdown": "^10.1.0",
+    "remark-gfm": "^4.0.1",
+    "zod": "^4.0.0"
+  },
+  "devDependencies": {
+    "@types/node": "^20.11.5",
+    "@types/react": "^18.2.67",
+    "@types/react-dom": "^18.2.22",
+    "@vitejs/plugin-react": "^4.7.0",
+    "typescript": "^5.9.2",
+    "vite": "^6.3.5",
+    "vite-plugin-singlefile": "^2.0.3"
+  }
+}
diff --git a/web/tsconfig.app.json b/frontend/tsconfig.app.json
similarity index 94%
rename from web/tsconfig.app.json
rename to frontend/tsconfig.app.json
index 910e900..9faf713 100644
--- a/web/tsconfig.app.json
+++ b/frontend/tsconfig.app.json
@@ -21,5 +21,5 @@
       "@api/*": ["./api/*"]
     }
   },
-  "include": ["ui"]
+  "include": ["mcp", "vite-env.d.ts"]
 }
diff --git a/web/tsconfig.json b/frontend/tsconfig.json
similarity index 100%
rename from web/tsconfig.json
rename to frontend/tsconfig.json
diff --git a/web/tsconfig.node.json b/frontend/tsconfig.node.json
similarity index 100%
rename from web/tsconfig.node.json
rename to frontend/tsconfig.node.json
diff --git a/frontend/vite-env.d.ts b/frontend/vite-env.d.ts
new file mode 100644
index 0000000..11f02fe
--- /dev/null
+++ b/frontend/vite-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />
diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
new file mode 100644
index 0000000..824adf6
--- /dev/null
+++ b/frontend/vite.config.ts
@@ -0,0 +1,231 @@
+// Vite configuration for Reboot UIs.
+//
+// One config drives three jobs. The dev server is selected by
+// `command === "serve"`; the two build shapes are selected by the
+// `RBT_BUILD_TARGET` env var, set per UI by `build.mjs`. `mode` keeps
+// its conventional Vite values — `development` (serve) / `production`
+// (build) — so the matching `.env.<mode>` files load as usual:
+//
+//   * `vite` (serve): a single dev server that delivers HMR for every
+//     `mcp/<name>` UI AND the standalone `web/` SPA, all under
+//     `base: "/__/frontend/"`. Envoy proxies that prefix to this dev
+//     server (`run --config=hmr`).
+//   * `RBT_BUILD_TARGET=mcp:<name> vite build`: builds one MCP UI into
+//     a single, self-contained `dist/mcp/<name>/index.html` (assets
+//     inlined via `vite-plugin-singlefile`). The framework serves it
+//     at `/__/frontend/mcp/<name>/index.html` in dist mode.
+//   * `RBT_BUILD_TARGET=web vite build`: builds the `web/` SPA into
+//     `dist/web/` with normal (non-inlined) assets. Its `base` is
+//     `/__/frontend/web/` so asset URLs resolve when served at that
+//     prefix. In Vite's `production` mode, it reads
+//     `web/.env.production`.
+import fs from "fs";
+import path from "path";
+import react from "@vitejs/plugin-react";
+import { defineConfig, type Plugin } from "vite";
+import { viteSingleFile } from "vite-plugin-singlefile";
+
+// A served directory under `/__/frontend/` requested without its
+// trailing slash (e.g. `/__/frontend/web`) doesn't match Vite's static
+// index.html serving, which expects `/__/frontend/web/`, so it 404s.
+// Redirect the slash-less form to the canonical trailing-slash form so
+// the `web/` SPA and each `mcp/<name>` UI load with or without the
+// trailing slash — matching how the framework's dist-mode server
+// behaves. Only a path that resolves to a real directory with an
+// `index.html` is redirected, so Vite's own internal module URLs
+// (`@vite/client`, `@react-refresh`) and source or asset files fall
+// through untouched.
+function redirectFrontendDirTrailingSlash(root: string): Plugin {
+  const prefix = "/__/frontend/";
+  return {
+    name: "reboot-frontend-dir-trailing-slash",
+    configureServer(server) {
+      server.middlewares.use((req, res, next) => {
+        const url = req.url ?? "";
+        const queryAt = url.indexOf("?");
+        const pathname = queryAt === -1 ? url : url.slice(0, queryAt);
+        if (pathname.startsWith(prefix) && !pathname.endsWith("/")) {
+          const subpath = pathname.slice(prefix.length);
+          if (fs.existsSync(path.join(root, subpath, "index.html"))) {
+            const query = queryAt === -1 ? "" : url.slice(queryAt);
+            // 302 (not 301): a permanent redirect would be cached by the
+            // browser, which is wrong for a dev server whose routes can
+            // change between runs.
+            res.statusCode = 302;
+            res.setHeader("Location", `${pathname}/${query}`);
+            res.end();
+            return;
+          }
+        }
+        next();
+      });
+    },
+  };
+}
+
+// When a `web/` SPA exists, treat it as the dev server's home: the bare
+// `/`, `/__/frontend`, and `/__/frontend/` otherwise 404 (there's no
+// index there), so silently redirect them to `/__/frontend/web/`. Also
+// print the friendlier `http://<host>/` at startup instead of the
+// `/__/frontend/` base URL Vite would otherwise show (which is a dead
+// link).
+function serveWebAppAtRoot(root: string): Plugin {
+  const webIndex = path.resolve(root, "web", "index.html");
+  const target = "/__/frontend/web/";
+  const homes = new Set(["/", "/__/frontend", "/__/frontend/"]);
+  return {
+    name: "reboot-serve-web-app-at-root",
+    configureServer(server) {
+      if (!fs.existsSync(webIndex)) return;
+      server.middlewares.use((req, res, next) => {
+        const url = req.url ?? "";
+        const queryAt = url.indexOf("?");
+        const pathname = queryAt === -1 ? url : url.slice(0, queryAt);
+        if (homes.has(pathname)) {
+          const query = queryAt === -1 ? "" : url.slice(queryAt);
+          res.statusCode = 302;
+          res.setHeader("Location", target + query);
+          res.end();
+          return;
+        }
+        next();
+      });
+      // Print `http://<host>/` instead of the `/__/frontend/` base.
+      const printUrls = server.printUrls.bind(server);
+      server.printUrls = () => {
+        const urls = server.resolvedUrls;
+        if (urls) {
+          const toRoot = (u: string) => u.replace(/\/__\/frontend\/$/, "/");
+          urls.local = urls.local.map(toRoot);
+          urls.network = urls.network.map(toRoot);
+        }
+        printUrls();
+      };
+    },
+  };
+}
+
+// Auto-discover MCP UIs: every `mcp/<name>/` with an `index.html`.
+// There may be no `mcp/` directory at all (a web-only frontend, or
+// one whose last MCP UI was removed), so guard the read.
+const mcpDir = path.resolve(__dirname, "mcp");
+const mcpNames: string[] = fs.existsSync(mcpDir)
+  ? fs
+      .readdirSync(mcpDir)
+      .filter((name) => fs.existsSync(path.resolve(mcpDir, name, "index.html")))
+  : [];
+
+// Path alias for API imports (`@api/...` -> `./api/...`).
+const resolve = {
+  alias: {
+    "@api": path.resolve(__dirname, "./api"),
+  },
+  dedupe: ["react", "react-dom", "zod"],
+};
+
+export default defineConfig(({ command }) => {
+  // Dev server: serves both the MCP UIs and the `web/` SPA.
+  //
+  // UIs use a double iframe architecture:
+  //   MCP Host -> srcdoc (origin=null) -> iframe (origin=localhost:9991)
+  //
+  // The inner iframe loads from Envoy ("/__/frontend/**"), which
+  // proxies to Vite. Because the inner iframe has a real origin,
+  // Vite's URLs work normally. `base: "/__/frontend/"` ensures all
+  // paths route through Envoy.
+  //
+  // The standalone `web/` SPA is served at `/__/frontend/web/` by this
+  // same server. It reaches the backend via `VITE_REBOOT_URL` (see
+  // `web/.env.development`) rather than its own origin, so opening it
+  // straight from this dev server exercises the real cross-origin
+  // frontend/backend path — the same shape as a production deploy.
+  //
+  // Hot Module Replacement works automatically: Vite's client connects
+  // to the page's origin, and Envoy proxies WebSocket upgrades to
+  // Vite. This also works with tunnels (ngrok) since the tunnel
+  // points to Envoy.
+  if (command === "serve") {
+    const port = parseInt(process.env.RBT_VITE_PORT || "4444", 10);
+
+    return {
+      plugins: [
+        react(),
+        redirectFrontendDirTrailingSlash(__dirname),
+        serveWebAppAtRoot(__dirname),
+      ],
+      root: ".",
+      // Read `.env*` from `web/` (alongside the SPA), so the `web/`
+      // SPA's `VITE_REBOOT_URL` is picked up by both this serve and the
+      // `web/` production build, which is also rooted there.
+      envDir: path.resolve(__dirname, "web"),
+      resolve,
+      base: "/__/frontend/",
+      server: {
+        port,
+        strictPort: true,
+        // Listen on all interfaces since requests come through
+        // Envoy (and tunnels).
+        host: true,
+        allowedHosts: true,
+      },
+    };
+  }
+
+  // Which UI a build targets is read from `RBT_BUILD_TARGET` (set by
+  // `build.mjs`), not Vite's `mode` — so `mode` stays `production`
+  // and the `web/` build below reads `web/.env.production`.
+  const target = process.env.RBT_BUILD_TARGET ?? "";
+
+  // Build the standalone `web/` SPA into `dist/web/`. We root the
+  // build at `web/` so `index.html` and its `assets/` land directly
+  // under `dist/web/` (rather than `dist/web/web/`). Keep assets as
+  // separate files (a normal multi-file build) and set `base` so
+  // their URLs resolve when the SPA is served at `/__/frontend/web/`.
+  if (target === "web") {
+    return {
+      plugins: [react()],
+      root: path.resolve(__dirname, "web"),
+      base: "/__/frontend/web/",
+      build: {
+        outDir: path.resolve(__dirname, "dist/web"),
+        emptyOutDir: true,
+      },
+      resolve,
+    };
+  }
+
+  // Build one MCP UI (`RBT_BUILD_TARGET=mcp:<name>`). We root the
+  // build at `mcp/<name>/` so the output lands directly at
+  // `dist/mcp/<name>/index.html`, a single self-contained file
+  // (assets inlined by `vite-plugin-singlefile`). The framework
+  // serves it at `/__/frontend/mcp/<name>/index.html` in dist mode.
+  const name = target.startsWith("mcp:") ? target.slice("mcp:".length) : "";
+  if (!mcpNames.includes(name)) {
+    const valid = mcpNames.map((n) => `mcp:${n}`).join(", ");
+    throw new Error(
+      `Unknown build target: ${target || "(unset)"}. Set ` +
+        `RBT_BUILD_TARGET=web or one of: ${valid}.`
+    );
+  }
+
+  return {
+    plugins: [react(), viteSingleFile()],
+    root: path.resolve(__dirname, "mcp", name),
+    base: "/__/frontend/",
+    // Read `.env*` from `web/` (the shared frontend env), so an MCP UI
+    // can pick up e.g. `VITE_WEB_APP_URL` for a pop-out link.
+    envDir: path.resolve(__dirname, "web"),
+    build: {
+      outDir: path.resolve(__dirname, "dist/mcp", name),
+      emptyOutDir: true,
+      assetsInlineLimit: 100000000,
+      cssCodeSplit: false,
+      rollupOptions: {
+        output: {
+          inlineDynamicImports: true,
+        },
+      },
+    },
+    resolve,
+  };
+});
diff --git a/pyproject.toml b/pyproject.toml
index 489d97e..92f9b31 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ dependencies = [
     "uuid7>=0.1.0",
     "anyio>=4.0.0",
     "pydantic-ai-slim[anthropic]>=1.0.0",
-    "reboot==1.2.1",
+    "reboot==1.3.0",
 ]
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index b40b8f6..cfb63dc 100644
--- a/uv.lock
+++ b/uv.lock
@@ -28,7 +28,7 @@ requires-dist = [
     { name = "anyio", specifier = ">=4.0.0" },
     { name = "httpx", specifier = ">=0.27,<1.0" },
     { name = "pydantic-ai-slim", extras = ["anthropic"], specifier = ">=1.0.0" },
-    { name = "reboot", specifier = "==1.2.1" },
+    { name = "reboot", specifier = "==1.3.0" },
     { name = "uuid7", specifier = ">=0.1.0" },
 ]
 
@@ -2020,7 +2020,7 @@ wheels = [
 
 [[package]]
 name = "reboot"
-version = "1.2.1"
+version = "1.3.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "aiofiles" },
@@ -2070,9 +2070,9 @@ dependencies = [
     { name = "websockets" },
 ]
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/fd/85/082fea1aaf65904b2f732c893469cb1d2534dff96ba527ca5575c5afbf55/reboot-1.2.1-py3-none-macosx_14_0_arm64.whl", hash = "sha256:b54cbf0233f297926ce516d39578efaea47953d113eca7095d4d0f07a1e4b192", size = 20452221, upload-time = "2026-06-23T19:41:33.886Z" },
-    { url = "https://files.pythonhosted.org/packages/64/3a/e004b65f1bbef40d8da6051fcff73925fae358a4c3ccf7b00d00bd2c7421/reboot-1.2.1-py3-none-manylinux_2_34_aarch64.whl", hash = "sha256:bb91ee132940d66c6779c2e5038f2fbf70fd567351c912bf0acf33ba60111860", size = 24135744, upload-time = "2026-06-23T19:28:20.962Z" },
-    { url = "https://files.pythonhosted.org/packages/1f/a3/7c8b5caf625a3f1b87b075b5bf23040a6f7761c797c245822144900999ce/reboot-1.2.1-py3-none-manylinux_2_34_x86_64.whl", hash = "sha256:988cb8d6e84981d35c1bf4c9040eda4181d4d221d0ff1e9a48922b7f50c123de", size = 24265726, upload-time = "2026-06-23T19:27:45.447Z" },
+    { url = "https://files.pythonhosted.org/packages/87/92/ba5c67b5eabadaa220f9998e05a63d57eef0e76d302082607547b66716bd/reboot-1.3.0-py3-none-macosx_14_0_arm64.whl", hash = "sha256:d9dfa184eb3ca1b8afff6a2b1a7b98b1371e2a06b0ce279fa4bb32064b8c4446", size = 20486712, upload-time = "2026-07-20T18:37:21.705Z" },
+    { url = "https://files.pythonhosted.org/packages/85/a1/880489a5eed6f153e96580f264aaac0a02928fd47e7d89f31ab52de0e565/reboot-1.3.0-py3-none-manylinux_2_34_aarch64.whl", hash = "sha256:7bfca0237482d5cdf2078430e745000821a8f38d5e341e75e61b956d80d6c4b5", size = 24172775, upload-time = "2026-07-20T18:29:25.383Z" },
+    { url = "https://files.pythonhosted.org/packages/10/1a/fe683d0eab72f4e64d95ce6715add5b2d376d879e71275c7e260755222b5/reboot-1.3.0-py3-none-manylinux_2_34_x86_64.whl", hash = "sha256:e03658188c0e85362b1fb8bfdf4b1fe9f6fd047fae198d3e2467b4969fcca8e3", size = 24301054, upload-time = "2026-07-20T18:56:54.321Z" },
 ]
 
 [[package]]
diff --git a/web/package.json b/web/package.json
deleted file mode 100644
index 811023f..0000000
--- a/web/package.json
+++ /dev/null
@@ -1,37 +0,0 @@
-{
-  "name": "agent-wiki-web",
-  "version": "0.1.0",
-  "private": true,
-  "type": "module",
-  "scripts": {
-    "dev": "vite",
-    "build:wiki_view": "vite build --mode wiki_view",
-    "build:page_view": "vite build --mode page_view",
-    "build:transcript_view": "vite build --mode transcript_view",
-    "build:watch:wiki_view": "vite build --mode wiki_view --watch",
-    "build:watch:page_view": "vite build --mode page_view --watch",
-    "build:watch:transcript_view": "vite build --mode transcript_view --watch",
-    "build": "tsc --noEmit && npm run build:wiki_view && npm run build:page_view && npm run build:transcript_view",
-    "build:watch": "concurrently \"npm:build:watch:*\""
-  },
-  "dependencies": {
-    "@modelcontextprotocol/ext-apps": "1.5.0",
-    "@modelcontextprotocol/sdk": "1.29.0",
-    "@reboot-dev/reboot-api": "1.2.1",
-    "@reboot-dev/reboot-react": "1.2.1",
-    "react": "^18.2.0",
-    "react-dom": "^18.2.0",
-    "react-markdown": "^10.1.0",
-    "remark-gfm": "^4.0.1",
-    "zod": "^4.0.0"
-  },
-  "devDependencies": {
-    "@types/react": "^18.2.67",
-    "@types/react-dom": "^18.2.22",
-    "@vitejs/plugin-react": "^4.7.0",
-    "concurrently": "^9.1.2",
-    "typescript": "^5.9.2",
-    "vite": "^6.3.5",
-    "vite-plugin-singlefile": "^2.0.3"
-  }
-}
diff --git a/web/vite.config.ts b/web/vite.config.ts
deleted file mode 100644
index ab3670d..0000000
--- a/web/vite.config.ts
+++ /dev/null
@@ -1,70 +0,0 @@
-// Vite configuration for Reboot UIs.
-import fs from "fs";
-import path from "path";
-import react from "@vitejs/plugin-react";
-import { defineConfig } from "vite";
-import { viteSingleFile } from "vite-plugin-singlefile";
-
-// Auto-discover UIs from ui/ directory.
-const uiDir = path.resolve(__dirname, "ui");
-const uis: Record<string, { input: string; output: string }> =
-  Object.fromEntries(
-    fs
-      .readdirSync(uiDir)
-      .filter((d) => fs.existsSync(path.join(uiDir, d, "index.html")))
-      .map((name) => [
-        name,
-        { input: `ui/${name}/index.html`, output: `${name}.html` },
-      ])
-  );
-
-export default defineConfig(({ command, mode }) => {
-  const resolve = {
-    alias: {
-      "@api": path.resolve(__dirname, "./api"),
-    },
-    dedupe: ["react", "react-dom", "zod"],
-  };
-
-  if (command === "serve") {
-    const port = parseInt(process.env.RBT_VITE_PORT || "4444", 10);
-
-    return {
-      plugins: [react()],
-      root: ".",
-      resolve,
-      base: "/__/web/",
-      server: {
-        port,
-        strictPort: true,
-        host: true,
-        allowedHosts: true,
-      },
-    };
-  }
-
-  const ui = uis[mode];
-  if (!ui) {
-    const valid = Object.keys(uis).join(", ");
-    throw new Error(`Unknown UI: ${mode}. Use --mode with: ${valid}`);
-  }
-
-  return {
-    plugins: [react(), viteSingleFile()],
-    build: {
-      outDir: "dist",
-      emptyOutDir: false,
-      assetsInlineLimit: 100000000,
-      cssCodeSplit: false,
-      rollupOptions: {
-        input: ui.input,
-        output: {
-          inlineDynamicImports: true,
-          entryFileNames: ui.output.replace(".html", ".js"),
-          assetFileNames: ui.output.replace(".html", ".[ext]"),
-        },
-      },
-    },
-    resolve,
-  };
-});