diff --git a/docs/app/app.config.ts b/docs/app/app.config.ts
index 62a33626..6a12306d 100644
--- a/docs/app/app.config.ts
+++ b/docs/app/app.config.ts
@@ -74,6 +74,7 @@ export default defineAppConfig({
           title: 'Introduction',
           items: [
             '/guide',
+            '/guide/getting-started',
             '/guide/tutorial-server-data-inspector',
           ],
         },
@@ -97,6 +98,7 @@ export default defineAppConfig({
             '/adapters',
             '/guide/standalone-cli',
             '/guide/client',
+            '/guide/in-page-channel',
             '/guide/transports',
             '/guide/security',
           ],
diff --git a/docs/app/components/global/GettingStartedWizard.vue b/docs/app/components/global/GettingStartedWizard.vue
new file mode 100644
index 00000000..4e2ddd94
--- /dev/null
+++ b/docs/app/components/global/GettingStartedWizard.vue
@@ -0,0 +1,343 @@
+<script setup lang="ts">
+/**
+ * Interactive "what should I read" wizard for the Getting Started guide.
+ *
+ * Every question is a grid of selectable cards (multiple answers allowed per
+ * question, since a real devtool usually spans more than one answer — e.g.
+ * it reads from both the node side and the user's web app). Selections
+ * persist to `localStorage` so a reader can leave the page and pick up where
+ * they left off; the recommended reading list at the bottom recomputes from
+ * whatever is currently checked.
+ */
+
+interface WizardItem {
+  value: string
+  label: string
+  icon: string
+  /** Accent color key from `ITEM_COLORS`, applied once the item is selected. */
+  color: keyof typeof ITEM_COLORS
+  description?: string
+}
+
+/**
+ * Per-item accent colors, applied only to a *selected* card (its badge, plus
+ * the card's border/background/ring); unselected cards stay neutral gray.
+ * Spelled out as full class strings (not interpolated) so Tailwind's scanner
+ * keeps them in the build.
+ */
+const ITEM_COLORS = {
+  sky: { badge: 'bg-sky-500/10 text-sky-500', card: 'border-sky-500/60 bg-sky-500/5 ring-1 ring-sky-500/20' },
+  indigo: { badge: 'bg-indigo-500/10 text-indigo-500', card: 'border-indigo-500/60 bg-indigo-500/5 ring-1 ring-indigo-500/20' },
+  violet: { badge: 'bg-violet-500/10 text-violet-500', card: 'border-violet-500/60 bg-violet-500/5 ring-1 ring-violet-500/20' },
+  purple: { badge: 'bg-purple-500/10 text-purple-500', card: 'border-purple-500/60 bg-purple-500/5 ring-1 ring-purple-500/20' },
+  fuchsia: { badge: 'bg-fuchsia-500/10 text-fuchsia-500', card: 'border-fuchsia-500/60 bg-fuchsia-500/5 ring-1 ring-fuchsia-500/20' },
+  pink: { badge: 'bg-pink-500/10 text-pink-500', card: 'border-pink-500/60 bg-pink-500/5 ring-1 ring-pink-500/20' },
+  rose: { badge: 'bg-rose-500/10 text-rose-500', card: 'border-rose-500/60 bg-rose-500/5 ring-1 ring-rose-500/20' },
+  amber: { badge: 'bg-amber-500/10 text-amber-500', card: 'border-amber-500/60 bg-amber-500/5 ring-1 ring-amber-500/20' },
+  orange: { badge: 'bg-orange-500/10 text-orange-500', card: 'border-orange-500/60 bg-orange-500/5 ring-1 ring-orange-500/20' },
+  emerald: { badge: 'bg-emerald-500/10 text-emerald-500', card: 'border-emerald-500/60 bg-emerald-500/5 ring-1 ring-emerald-500/20' },
+  teal: { badge: 'bg-teal-500/10 text-teal-500', card: 'border-teal-500/60 bg-teal-500/5 ring-1 ring-teal-500/20' },
+  cyan: { badge: 'bg-cyan-500/10 text-cyan-500', card: 'border-cyan-500/60 bg-cyan-500/5 ring-1 ring-cyan-500/20' },
+  blue: { badge: 'bg-blue-500/10 text-blue-500', card: 'border-blue-500/60 bg-blue-500/5 ring-1 ring-blue-500/20' },
+  green: { badge: 'bg-green-500/10 text-green-500', card: 'border-green-500/60 bg-green-500/5 ring-1 ring-green-500/20' },
+} as const
+
+interface WizardSection {
+  key: string
+  title: string
+  hint: string
+  icon: string
+  items: WizardItem[]
+}
+
+interface DocEntry {
+  title: string
+  description: string
+  icon: string
+}
+
+const STORAGE_KEY = 'devframe-docs:getting-started'
+
+const sections: WizardSection[] = [
+  {
+    key: 'environments',
+    title: 'Target environments',
+    hint: 'What do you expect your tool to work with?',
+    icon: 'i-lucide-target',
+    items: [
+      { value: 'standalone', label: 'Standalone', icon: 'i-lucide-terminal', color: 'sky', description: 'A CLI or dev server with no host framework' },
+      { value: 'framework', label: 'Specific framework', icon: 'i-lucide-shapes', color: 'violet', description: 'Specifically for frameworks like Vite, Next.js, Nuxt, etc.' },
+      { value: 'all', label: 'All frameworks', icon: 'i-lucide-infinity', color: 'emerald', description: 'I want to support as many frameworks as possible' },
+    ],
+  },
+  {
+    key: 'dataSource',
+    title: 'Data source',
+    hint: 'Where do you want to visualize data from?',
+    icon: 'i-lucide-database',
+    items: [
+      { value: 'node', label: 'The node side', icon: 'i-lucide-server', color: 'indigo', description: 'Server state, build output, the filesystem, child processes' },
+      { value: 'browser', label: 'The user\'s web app', icon: 'i-lucide-app-window', color: 'cyan', description: 'State living in the page you\'re developing' },
+    ],
+  },
+  {
+    key: 'availability',
+    title: 'Data availability',
+    hint: 'When is the data available?',
+    icon: 'i-lucide-clock',
+    items: [
+      { value: 'dev', label: 'Development time', icon: 'i-lucide-code', color: 'blue', description: 'Live, over a running dev server' },
+      { value: 'build', label: 'Production build time', icon: 'i-lucide-hammer', color: 'amber', description: 'Data from the production build' },
+      { value: 'static', label: 'Statically available', icon: 'i-lucide-hard-drive', color: 'teal', description: 'Local filesystem, uploaded files, etc.' },
+      { value: 'remote', label: 'Remotely', icon: 'i-lucide-cloud', color: 'sky', description: 'Over the web' },
+    ],
+  },
+  {
+    key: 'frontend',
+    title: 'Frontend approach',
+    hint: 'How do you want to build the frontend view?',
+    icon: 'i-lucide-palette',
+    items: [
+      { value: 'framework', label: 'A preferred framework', icon: 'i-lucide-component', color: 'green', description: 'Vue, React, Svelte, Solid...' },
+      { value: 'webcomponents', label: 'Web Components', icon: 'i-lucide-box', color: 'orange', description: 'Use Web Components for renderering' },
+      { value: 'nodeside', label: 'Build it on the node side', icon: 'i-lucide-braces', color: 'purple', description: 'Describe the UI as data instead of shipping a bundle' },
+    ],
+  },
+  {
+    key: 'requirements',
+    title: 'Other requirements',
+    hint: 'Any specific requirements?',
+    icon: 'i-lucide-list-checks',
+    items: [
+      { value: 'agent', label: 'Exposed to coding agents', icon: 'i-lucide-bot', color: 'pink', description: 'Some functionality should be available to coding agents.' },
+      { value: 'terminal', label: 'Sub process access', icon: 'i-lucide-square-terminal', color: 'amber', description: 'Need to spawn other child process from the node side' },
+      { value: 'streaming', label: 'Streaming data', icon: 'i-lucide-radio', color: 'rose', description: 'Push chunk-style data from the node side to the browser side' },
+      { value: 'deep-linking', label: 'Deep linking', icon: 'i-lucide-link', color: 'cyan', description: 'Shareable URLs into a specific view' },
+      { value: 'overlay', label: 'User app overlay', icon: 'i-lucide-layers', color: 'fuchsia', description: 'I want to overlay a UI on top of the user\'s web app' },
+    ],
+  },
+]
+
+/** Every doc a recommendation can point at, keyed by its route. */
+const DOC_CATALOG: Record<string, DocEntry> = {
+  '/guide': { title: 'Introduction', description: 'What devframe is and who it\'s for.', icon: 'i-lucide-book-open' },
+  '/guide/devframe-definition': { title: 'Devframe Definition', description: 'One defineDevframe() call returns a portable definition every adapter consumes.', icon: 'i-lucide-package' },
+  '/guide/tutorial-server-data-inspector': { title: 'Tutorial: Build a Server Data Inspector', description: 'Build a devtool end to end, then ship it as a hub dock, a static build, a dev server, and a CLI.', icon: 'i-lucide-graduation-cap' },
+  '/guide/rpc': { title: 'RPC', description: 'Type-safe, bidirectional calls between the node side and the browser side.', icon: 'i-lucide-cable' },
+  '/guide/shared-state': { title: 'Shared State', description: 'Observable state synced between the node side and every RPC client.', icon: 'i-lucide-refresh-cw' },
+  '/guide/streaming': { title: 'Streaming', description: 'Push chunk-style data from the node side to the browser side.', icon: 'i-lucide-radio' },
+  '/guide/client-assets': { title: 'Client Assets', description: 'Where a devframe\'s built SPA lives — a local directory or an npm package.', icon: 'i-lucide-folder-tree' },
+  '/guide/client': { title: 'Client', description: 'Connects any surface to a devframe\'s node side with RPC and shared state.', icon: 'i-lucide-plug' },
+  '/guide/transports': { title: 'Transports', description: 'Live RPC over WebSocket or SSE, transparent to your RPC code.', icon: 'i-lucide-waypoints' },
+  '/guide/security': { title: 'Security', description: 'Localhost binding and a trust handshake before a browser can call RPC.', icon: 'i-lucide-shield-check' },
+  '/guide/agent-native': { title: 'Agent-Native Devframe', description: 'Expose RPC functions, resources, and shared state to coding agents over MCP.', icon: 'i-lucide-bot' },
+  '/guide/hub': { title: 'Hub', description: 'Orchestrate many devtools sharing one UI — docks, terminals, messages, commands.', icon: 'i-lucide-layout-dashboard' },
+  '/guide/client-context': { title: 'Client Scripts & Client Context', description: 'How a dock client script runs a devframe\'s code inside the host page.', icon: 'i-lucide-code' },
+  '/guide/hub-initiate': { title: 'Serve a Hub Anywhere', description: 'initHub() serves a whole multi-devframe install from one handler.', icon: 'i-lucide-server-cog' },
+  '/guide/services': { title: 'Cross-Devframe Services', description: 'Expose a typed, namespaced capability to every devframe in a hub.', icon: 'i-lucide-share-2' },
+  '/guide/deep-linking': { title: 'Deep Linking', description: 'Send a user to a specific view inside a devframe from a URL or an agent.', icon: 'i-lucide-link' },
+  '/guide/json-render': { title: 'JSON-Render', description: 'Describe a UI as data — a serializable component spec any frontend renders.', icon: 'i-lucide-braces' },
+  '/guide/build-your-own-json-render-frontend': { title: 'Build Your Own JSON-Render Frontend', description: 'Implement the renderer contract in your own framework instead of the reference one.', icon: 'i-lucide-component' },
+  '/guide/build-your-own-hub-ui': { title: 'Build Your Own Hub UI', description: 'The two contracts a hub UI provider implements — node side and browser side.', icon: 'i-lucide-layout-panel-left' },
+  '/guide/standalone-cli': { title: 'Standalone CLI with Devframe', description: 'npx my-tool starts a dev server serving your SPA over type-safe RPC.', icon: 'i-lucide-terminal' },
+  '/helpers/interactive-auth': { title: 'Interactive Auth', description: 'An OTP auth layer over devframe\'s node-side primitives.', icon: 'i-lucide-key-round' },
+  '/helpers/utilities': { title: 'Utilities', description: 'Small, stable helpers bundled into devframe — no npm install.', icon: 'i-lucide-wrench' },
+  '/adapters': { title: 'Adapters', description: 'Every path from a DevframeDefinition to a running devframe.', icon: 'i-lucide-shuffle' },
+  '/adapters/initiate': { title: 'The Standard Handler', description: 'initDevframe() turns a definition into a Web Standard Request → Response handler.', icon: 'i-lucide-server' },
+  '/adapters/cac': { title: 'CLI (cac)', description: 'A cac CLI around a DevframeDefinition with dev, build, and mcp commands.', icon: 'i-lucide-square-terminal' },
+  '/adapters/build': { title: 'Build', description: 'Produces a static deploy of a devframe.', icon: 'i-lucide-hammer' },
+  '/adapters/vite': { title: 'Vite (adapter)', description: 'Wraps a definition so Vite DevTools\' plugin-scan picks it up.', icon: 'i-lucide-zap' },
+  '/adapters/embedded': { title: 'Embedded', description: 'Register a devframe into an already-running context at runtime.', icon: 'i-lucide-plug-zap' },
+  '/adapters/mcp': { title: 'MCP', description: 'Exposes a devframe\'s agent-facing API as a Model Context Protocol server.', icon: 'i-lucide-bot' },
+  '/frameworks': { title: 'Frameworks', description: 'Framework kits that integrate devframe with a meta-framework\'s dev server.', icon: 'i-lucide-blocks' },
+  '/frameworks/vite': { title: 'Vite', description: 'Author one devframe\'s SPA, or mount a whole hub, from a Vite plugin.', icon: 'i-simple-icons-vite' },
+  '/frameworks/next': { title: 'Next', description: 'Host devframes from a Next.js App Router app via a route handler.', icon: 'i-simple-icons-nextdotjs' },
+  '/frameworks/nuxt': { title: 'Nuxt', description: 'A Nuxt module split into authoring one devframe or mounting a hub.', icon: 'i-simple-icons-nuxtdotjs' },
+  '/plugins/a11y': { title: 'Accessibility Inspector', description: 'Runs axe-core against the user app and highlights violations in the page.', icon: 'i-lucide-accessibility' },
+  '/plugins/terminals': { title: 'Terminals', description: 'A terminal panel built on xterm.js.', icon: 'i-lucide-square-terminal' },
+}
+
+/** Always worth reading, regardless of what's checked above. */
+const BASE_DOCS = ['/guide', '/guide/devframe-definition', '/guide/tutorial-server-data-inspector']
+
+/** `${section.key}:${item.value}` -> doc routes that answer is worth reading. */
+const RECOMMENDATIONS: Record<string, string[]> = {
+  'dataSource:node': ['/guide/rpc', '/guide/shared-state', '/helpers/utilities'],
+  'dataSource:browser': ['/guide/client-context', '/guide/deep-linking', '/plugins/a11y'],
+
+  'environments:standalone': ['/guide/standalone-cli', '/adapters/cac', '/adapters/build'],
+  'environments:framework': ['/adapters'],
+  'environments:all': ['/adapters/initiate', '/adapters', '/guide/devframe-definition'],
+
+  'availability:dev': ['/guide/rpc', '/guide/transports'],
+  'availability:build': ['/adapters/build', '/guide/client-assets'],
+  'availability:static': ['/adapters/build', '/helpers/utilities'],
+  'availability:remote': ['/guide/transports', '/guide/security'],
+
+  'frontend:framework': ['/guide/client-assets', '/guide/client'],
+  'frontend:webcomponents': ['/guide/hub', '/guide/build-your-own-hub-ui'],
+  'frontend:nodeside': ['/guide/json-render', '/guide/build-your-own-json-render-frontend'],
+
+  'requirements:agent': ['/guide/agent-native', '/adapters/mcp'],
+  'requirements:terminal': ['/plugins/terminals'],
+  'requirements:streaming': ['/guide/streaming'],
+  'requirements:deep-linking': ['/guide/deep-linking'],
+  'requirements:overlay': ['/guide/client-context', '/plugins/a11y'],
+}
+
+const selections = reactive<Record<string, string[]>>(
+  Object.fromEntries(sections.map(section => [section.key, [] as string[]])),
+)
+
+onMounted(() => {
+  if (!import.meta.client)
+    return
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY)
+    if (!raw)
+      return
+    const saved = JSON.parse(raw) as Record<string, unknown>
+    for (const section of sections) {
+      const values = saved[section.key]
+      if (!Array.isArray(values))
+        continue
+      const known = new Set(section.items.map(item => item.value))
+      selections[section.key] = values.filter((value): value is string => typeof value === 'string' && known.has(value))
+    }
+  }
+  catch {
+    // Corrupt or inaccessible storage - fall back to a clean slate.
+  }
+})
+
+watch(selections, (value) => {
+  if (!import.meta.client)
+    return
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(value))
+}, { deep: true })
+
+function isChecked(sectionKey: string, value: string): boolean {
+  return selections[sectionKey]!.includes(value)
+}
+
+function toggle(sectionKey: string, value: string): void {
+  const current = selections[sectionKey]!
+  const index = current.indexOf(value)
+  if (index === -1)
+    current.push(value)
+  else
+    current.splice(index, 1)
+}
+
+const hasSelections = computed(() => sections.some(section => selections[section.key]!.length > 0))
+
+const recommendedDocs = computed(() => {
+  const paths = new Set(BASE_DOCS)
+  for (const section of sections) {
+    for (const value of selections[section.key]!) {
+      for (const path of RECOMMENDATIONS[`${section.key}:${value}`] ?? [])
+        paths.add(path)
+    }
+  }
+  return [...paths]
+    .filter(path => path in DOC_CATALOG)
+    .map(path => ({ path, ...DOC_CATALOG[path]! }))
+})
+
+function reset(): void {
+  for (const section of sections) selections[section.key] = []
+}
+</script>
+
+<template>
+  <div class="not-prose rounded-xl border border-default divide-y divide-default overflow-hidden">
+    <div class="flex items-center justify-between gap-4 px-5 py-3 sm:px-6 bg-muted">
+      <div>
+        <p class="font-medium text-highlighted">
+          What kind of devtool do you want to build?
+        </p>
+        <p class="text-sm text-muted mt-0.5">
+          Multi-select, check whatever applies (selection persists in localStorage)
+        </p>
+      </div>
+      <UButton
+        label="Reset"
+        icon="i-lucide-rotate-ccw"
+        color="neutral"
+        variant="ghost"
+        size="xs"
+        :disabled="!hasSelections"
+        class="cursor-pointer shrink-0"
+        @click="reset"
+      />
+    </div>
+
+    <div
+      v-for="section in sections"
+      :key="section.key"
+      class="px-5 py-4 sm:px-6"
+    >
+      <div class="flex flex-wrap items-baseline gap-x-2 mb-3">
+        <p class="flex items-center gap-2 font-medium text-highlighted">
+          <UIcon :name="section.icon" class="size-4 text-muted" />
+          {{ section.hint }}
+        </p>
+      </div>
+
+      <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-2.5">
+        <button
+          v-for="item in section.items"
+          :key="item.value"
+          type="button"
+          role="checkbox"
+          :aria-checked="isChecked(section.key, item.value)"
+          class="relative flex items-center gap-3 rounded-lg border p-3 text-left transition-colors cursor-pointer"
+          :class="isChecked(section.key, item.value)
+            ? ITEM_COLORS[item.color].card
+            : 'border-default hover:border-accented hover:bg-elevated/50'"
+          @click="toggle(section.key, item.value)"
+        >
+          <span
+            class="inline-flex items-center justify-center size-8 shrink-0 rounded-full transition-colors"
+            :class="isChecked(section.key, item.value) ? ITEM_COLORS[item.color].badge : 'bg-elevated text-muted'"
+          >
+            <UIcon :name="item.icon" class="size-4" />
+          </span>
+          <span class="min-w-0 flex-1">
+            <span class="block text-sm font-medium text-highlighted">{{ item.label }}</span>
+            <span
+              v-if="item.description"
+              class="block text-xs text-muted mt-0.5"
+            >{{ item.description }}</span>
+          </span>
+        </button>
+      </div>
+    </div>
+
+    <div class="px-5 py-4 sm:px-6 bg-muted">
+      <p class="font-medium text-highlighted mb-3">
+        {{ hasSelections ? 'Recommended docs, based on your answers' : 'Start here' }}
+      </p>
+      <div class="flex flex-col divide-y divide-default rounded-lg border border-default overflow-hidden bg-default">
+        <NuxtLink
+          v-for="doc in recommendedDocs"
+          :key="doc.path"
+          :to="doc.path"
+          class="group flex items-center gap-3 p-3 transition-colors hover:bg-elevated/50"
+        >
+          <span class="inline-flex items-center justify-center size-8 shrink-0 rounded-full bg-elevated text-muted">
+            <UIcon :name="doc.icon" class="size-4" />
+          </span>
+          <span class="min-w-0 flex-1">
+            <span class="block text-sm font-medium text-highlighted">{{ doc.title }}</span>
+            <span class="block text-xs text-muted mt-0.5">{{ doc.description }}</span>
+          </span>
+          <UIcon
+            name="i-lucide-arrow-right"
+            class="size-4 shrink-0 text-dimmed transition-transform group-hover:translate-x-0.5 group-hover:text-muted"
+          />
+        </NuxtLink>
+      </div>
+    </div>
+  </div>
+</template>
diff --git a/docs/content/1.guide/0.getting-started.md b/docs/content/1.guide/0.getting-started.md
new file mode 100644
index 00000000..573c6d07
--- /dev/null
+++ b/docs/content/1.guide/0.getting-started.md
@@ -0,0 +1,11 @@
+---
+title: 'Getting Started'
+description: 'Answer a few questions about the devtool you want to build and get a reading list tailored to it.'
+---
+
+Devframe provides a lot of features to build DevTools with various needs. It could be overwhelming to start with. Here we have the wizard to help you get started. Answer a few questions about the devtool you want to build and get a reading list tailored to it.
+
+::getting-started-wizard
+::
+
+None of this is a required reading order. [`defineDevframe()`](/guide/devframe-definition) and [the tutorial](/guide/tutorial-server-data-inspector) are worth reading regardless of your answers above — everything else is additive.
diff --git a/docs/content/1.guide/index.md b/docs/content/1.guide/index.md
index 28065319..afd39123 100644
--- a/docs/content/1.guide/index.md
+++ b/docs/content/1.guide/index.md
@@ -19,6 +19,8 @@ Devframe moves that boundary. A capability is defined once against a stable inte
 
 With a coding agent to scaffold the boilerplate, Devframe is also a fast foundation for standing up a bespoke, specific-need, or even one-off devtool.
 
+New here? [Answer a few questions about your devtool](/guide/getting-started) and get a reading list tailored to it.
+
 ## One definition, one standard handler
 
 Every devframe starts with [`defineDevframe()`](/guide/devframe-definition), pairing a tool's identity with its capabilities.