diff --git a/.gitea/workflows/publish-django.yaml b/.gitea/workflows/publish-django.yaml
index cf63f39..3d98e0a 100644
--- a/.gitea/workflows/publish-django.yaml
+++ b/.gitea/workflows/publish-django.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        working-directory: django
+        working-directory: backends/mizan-django
     steps:
       - uses: actions/checkout@v4
 
diff --git a/.gitea/workflows/publish-react.yaml b/.gitea/workflows/publish-react.yaml
index 98b9be4..879d95e 100644
--- a/.gitea/workflows/publish-react.yaml
+++ b/.gitea/workflows/publish-react.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        working-directory: react
+        working-directory: frontends/mizan-react
     steps:
       - uses: actions/checkout@v4
 
diff --git a/CLAUDE.md b/CLAUDE.md
index 79f34a8..34f21c2 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -10,23 +10,21 @@ Django + React ships first. The protocol is language-agnostic (proven by mizan-t
 
 ## Package Layout
 
-Two layers per side. Per-framework adapters wrap a single shared kernel; codegen targets the adapter.
+Tree organized by role. Per-framework adapters wrap a single shared kernel; codegen targets the adapter.
 
-**Backend protocol adapters** — implement the wire protocol on a server stack:
-
-- `mizan-django/` — Django adapter
-- `mizan-ts/` — TypeScript adapter (proves the protocol is language-agnostic)
-
-**Frontend kernel + framework adapters** — kernel is the imperative client primitive set; each framework adapter wraps the kernel in its own idiomatic constructs:
-
-- `mizan-runtime/` — framework-agnostic kernel; owns data, status, error; adapters subscribe
-- `mizan-react/` — React contexts + hooks over the kernel
-- `mizan-vue/` — Vue composables over the kernel
-- `mizan-svelte/` — Svelte stores/runes over the kernel
-
-**SSR worker:**
-
-- `mizan-ssr/` — Bun subprocess used by the Django template backend
+```
+backends/         server protocol adapters
+    mizan-django/    Django adapter
+    mizan-ts/        TypeScript adapter (proves the protocol is language-agnostic)
+frontends/        client kernel + per-framework adapters
+    mizan-base/      framework-agnostic kernel; owns data, status, error; adapters subscribe
+    mizan-react/     React contexts + hooks over the kernel
+    mizan-vue/       Vue composables over the kernel
+    mizan-svelte/    Svelte stores/runes over the kernel
+cores/            shared language-level primitives (currently empty; mizan-python forthcoming)
+workers/          runtime workers / bridges
+    mizan-ssr/       Bun subprocess used by the Django template backend
+```
 
 ---
 
@@ -444,7 +442,7 @@ urlpatterns = [
 
 ## Codegen — Current State
 
-The codegen is two-stage and per-framework. Stage 1 (in `mizan-django/generate/`) emits the framework-agnostic protocol layer (`callXxx` for mutations, `fetchXxx` for context bundles, types). Stage 2 emits per-framework hooks/composables/stores that subscribe to the `mizan-runtime` kernel.
+The codegen is two-stage and per-framework. Stage 1 (in `mizan-django/generate/`) emits the framework-agnostic protocol layer (`callXxx` for mutations, `fetchXxx` for context bundles, types). Stage 2 emits per-framework hooks/composables/stores that subscribe to the `mizan-base` kernel.
 
 **What's in place:**
 
diff --git a/ISSUES.md b/ISSUES.md
index fd7807f..2eecce9 100644
--- a/ISSUES.md
+++ b/ISSUES.md
@@ -24,7 +24,7 @@ Identified by domain expert review (Cloudflare, Serverless, Vercel, React Query,
 ## Remaining Critical
 
 ### C6. No loading/error/stale states in runtime
-**File:** `mizan-runtime/src/index.ts`
+**File:** `mizan-base/src/index.ts`
 The kernel stores only `{params, refetch}`. No `data`, `status`, `error`. Every adapter reinvents loading tracking. Blocks stale-while-revalidate.
 
 ## Remaining High
@@ -103,7 +103,7 @@ Context listeners called inside `setContextStore()` updater.
 
 ### A1. Legacy MizanProvider not yet removed
 **File:** `mizan-react/src/context.tsx` (~750 lines)
-Superseded by the kernel (`mizan-runtime`) + generated React adapter (`useSyncExternalStore`). Still exported as `MizanProvider`, `useMizan`, `useMizanContext`, etc. Must be deleted or replaced with thin shims that call `configure()` + delegate to the new generated hooks.
+Superseded by the kernel (`mizan-base`) + generated React adapter (`useSyncExternalStore`). Still exported as `MizanProvider`, `useMizan`, `useMizanContext`, etc. Must be deleted or replaced with thin shims that call `configure()` + delegate to the new generated hooks.
 
 ### A2. Allauth pending extraction
 **File:** `legacy/allauth/` (44 files)
@@ -131,7 +131,7 @@ Written before the kernel rewrite. References to MizanProvider responsibilities
 ## Test Coverage Gaps
 
 ### T1. No tests for C6 kernel state machine
-**File:** `mizan-runtime/` has no `tests/` directory at all
+**File:** `mizan-base/` has no `tests/` directory at all
 The state-owning kernel has zero unit tests. No coverage of:
 - `registerContext` returning `getState/subscribe/refetch/unregister`
 - Status transitions: idle → loading → success/error
diff --git a/Makefile b/Makefile
index 587ad40..7a6ab7e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .PHONY: install test test-django test-react test-integration docker-up docker-down clean
 
-DJANGO = packages/mizan-django
-REACT = packages/mizan-react
+DJANGO = backends/mizan-django
+REACT = frontends/mizan-react
 
 # ─── Setup ───────────────────────────────────────────────────────────────────
 
diff --git a/ROADMAP.md b/ROADMAP.md
index e2fa05f..594ed74 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -20,7 +20,7 @@
 - **HMAC cache keying** — origin-side cache with cross-language HMAC conformance (Python + TypeScript pin)
 - **Edge manifest** — `python manage.py export_edge_manifest`; both RPC and view-path functions
 - **SSR bridge** — Django template backend → persistent Bun subprocess via JSON-RPC
-- **`mizan-runtime` kernel** — framework-agnostic imperative client primitives (data/status/error owned by kernel)
+- **`mizan-base` kernel** — framework-agnostic imperative client primitives (data/status/error owned by kernel)
 - **Two-stage codegen** — Stage 1 emits framework-agnostic protocol layer; Stage 2 emits per-framework hooks (React, Vue, Svelte)
 - **`mizan-ts`** — TypeScript backend adapter; proves the protocol is language-agnostic
 
@@ -28,7 +28,7 @@
 
 ### Next (in progress)
 
-- **React adapter wrapper layer** — codegen emits `MizanContext` provider, `useMizan` hook, `DjangoError` class on top of the `mizan-runtime` kernel. Equivalent wrapper layers for Vue and Svelte adapters. The harness in `examples/django-react-site` is blocked on this.
+- **React adapter wrapper layer** — codegen emits `MizanContext` provider, `useMizan` hook, `DjangoError` class on top of the `mizan-base` kernel. Equivalent wrapper layers for Vue and Svelte adapters. The harness in `examples/django-react-site` is blocked on this.
 - **Legacy `MizanProvider` removal (A1)** — `mizan-react/src/context.tsx` (~750 lines) replaced by codegen-emitted wrappers. Blocks v1 `mizan-react` publishing.
 - **Forms migration to kernel (A3)** — `mizan-react/src/forms.ts` (~1163 lines) currently consumes legacy `MizanProvider`. Rewrite to use `mizanCall` from the kernel. Blocks A1.
 - **Allauth extraction (A2)** — `legacy/allauth/` becomes `mizan-django-allauth` package consuming Mizan's public API.
diff --git a/backends/mizan-django/generate/generator/lib/adapters/react.mjs b/backends/mizan-django/generate/generator/lib/adapters/react.mjs
index 601dc5a..b2f5442 100644
--- a/backends/mizan-django/generate/generator/lib/adapters/react.mjs
+++ b/backends/mizan-django/generate/generator/lib/adapters/react.mjs
@@ -23,7 +23,7 @@ export function generateReactAdapter(schema) {
         '// AUTO-GENERATED by mizan — do not edit',
         '',
         "import { createContext, useContext, useState, useEffect, useCallback, useRef, useSyncExternalStore, type ReactNode } from 'react'",
-        "import { registerContext, mizanFetch, mizanCall, type ContextState } from '@mizan/runtime'",
+        "import { registerContext, mizanFetch, mizanCall, type ContextState } from '@mizan/base'",
         '',
     ]
 
@@ -172,8 +172,8 @@ export function generateReactAdapter(schema) {
 
     // ── Re-export runtime types ─────────────────────────────────────────
 
-    lines.push("export type { ContextState } from '@mizan/runtime'")
-    lines.push("export { configure, initSession, MizanError } from '@mizan/runtime'")
+    lines.push("export type { ContextState } from '@mizan/base'")
+    lines.push("export { configure, initSession, MizanError } from '@mizan/base'")
     lines.push('')
 
     return lines.join('\n')
diff --git a/backends/mizan-django/generate/generator/lib/adapters/svelte.mjs b/backends/mizan-django/generate/generator/lib/adapters/svelte.mjs
index 6b501c2..bc580fb 100644
--- a/backends/mizan-django/generate/generator/lib/adapters/svelte.mjs
+++ b/backends/mizan-django/generate/generator/lib/adapters/svelte.mjs
@@ -18,7 +18,7 @@ export function generateSvelteAdapter(schema) {
         '// AUTO-GENERATED by mizan — do not edit',
         '',
         "import { readable, type Readable } from 'svelte/store'",
-        "import { registerContext, type ContextState } from '@mizan/runtime'",
+        "import { registerContext, type ContextState } from '@mizan/base'",
         '',
     ]
 
@@ -70,8 +70,8 @@ export function generateSvelteAdapter(schema) {
     }
     lines.push('')
 
-    lines.push("export type { ContextState } from '@mizan/runtime'")
-    lines.push("export { configure, initSession, MizanError } from '@mizan/runtime'")
+    lines.push("export type { ContextState } from '@mizan/base'")
+    lines.push("export { configure, initSession, MizanError } from '@mizan/base'")
     lines.push('')
 
     return lines.join('\n')
diff --git a/backends/mizan-django/generate/generator/lib/adapters/vue.mjs b/backends/mizan-django/generate/generator/lib/adapters/vue.mjs
index 22626ef..13ce58a 100644
--- a/backends/mizan-django/generate/generator/lib/adapters/vue.mjs
+++ b/backends/mizan-django/generate/generator/lib/adapters/vue.mjs
@@ -18,7 +18,7 @@ export function generateVueAdapter(schema) {
         '// AUTO-GENERATED by mizan — do not edit',
         '',
         "import { ref, computed, onMounted, onUnmounted, onServerPrefetch, type ComputedRef } from 'vue'",
-        "import { registerContext, type ContextState } from '@mizan/runtime'",
+        "import { registerContext, type ContextState } from '@mizan/base'",
         '',
     ]
 
@@ -96,8 +96,8 @@ export function generateVueAdapter(schema) {
         lines.push('')
     }
 
-    lines.push("export type { ContextState } from '@mizan/runtime'")
-    lines.push("export { configure, initSession, MizanError } from '@mizan/runtime'")
+    lines.push("export type { ContextState } from '@mizan/base'")
+    lines.push("export { configure, initSession, MizanError } from '@mizan/base'")
     lines.push('')
 
     return lines.join('\n')
diff --git a/backends/mizan-django/generate/generator/lib/stage1.mjs b/backends/mizan-django/generate/generator/lib/stage1.mjs
index 588246c..248e87f 100644
--- a/backends/mizan-django/generate/generator/lib/stage1.mjs
+++ b/backends/mizan-django/generate/generator/lib/stage1.mjs
@@ -80,7 +80,7 @@ export function generateContextFile(ctxName, ctxMeta, functions) {
     const lines = [
         '// AUTO-GENERATED by mizan — do not edit',
         '',
-        "import { mizanFetch } from '@mizan/runtime'",
+        "import { mizanFetch } from '@mizan/base'",
         '',
     ]
 
@@ -133,7 +133,7 @@ export function generateMutationFile(fn) {
     const lines = [
         '// AUTO-GENERATED by mizan — do not edit',
         '',
-        "import { mizanCall } from '@mizan/runtime'",
+        "import { mizanCall } from '@mizan/base'",
         '',
     ]
 
diff --git a/docs/AFI_ARCHITECTURE.md b/docs/AFI_ARCHITECTURE.md
index 1ff78e7..d29dbc2 100644
--- a/docs/AFI_ARCHITECTURE.md
+++ b/docs/AFI_ARCHITECTURE.md
@@ -5,32 +5,21 @@ server-client unification layer.
 
 ## Package layout
 
-Two layers per side. Independent packages, single shared protocol.
+Tree organized by role.
 
-**Backend protocol adapters** — implement the wire protocol on a
-server stack:
-
-| Package | Role |
-|---|---|
-| `mizan-django` | Django adapter |
-| `mizan-ts` | TypeScript adapter (proves the protocol is language-agnostic) |
-
-**Frontend kernel + framework adapters** — the kernel is the
-imperative client primitive set; each framework adapter wraps the
-kernel in its own idiomatic constructs:
-
-| Package | Role |
-|---|---|
-| `mizan-runtime` | Framework-agnostic client kernel — owns data, status, error; adapters subscribe |
-| `mizan-react` | React contexts + hooks over the kernel |
-| `mizan-vue` | Vue composables over the kernel |
-| `mizan-svelte` | Svelte stores/runes over the kernel |
-
-**SSR worker:**
-
-| Package | Role |
-|---|---|
-| `mizan-ssr` | Bun subprocess used by the Django template backend |
+```
+backends/         server protocol adapters
+    mizan-django/    Django adapter
+    mizan-ts/        TypeScript adapter (proves the protocol is language-agnostic)
+frontends/        client kernel + per-framework adapters
+    mizan-base/      framework-agnostic kernel; owns data, status, error; adapters subscribe
+    mizan-react/     React contexts + hooks over the kernel
+    mizan-vue/       Vue composables over the kernel
+    mizan-svelte/    Svelte stores/runes over the kernel
+cores/            shared language-level primitives (mizan-python forthcoming)
+workers/          runtime workers / bridges
+    mizan-ssr/       Bun subprocess used by the Django template backend
+```
 
 ## Two orthogonal products
 
@@ -42,7 +31,7 @@ compose.
 
 ## Kernel model
 
-The client kernel (`mizan-runtime`) is the one hard thing. Per-
+The client kernel (`mizan-base`) is the one hard thing. Per-
 framework adapters are thin idiomatic wrappers around it. Codegen
 emits typed bindings against the framework adapter's surface, not
 against the raw kernel — so a React developer gets `useEcho()` and
diff --git a/examples/django-react-desktop-app/frontend/package.json b/examples/django-react-desktop-app/frontend/package.json
index c58f83e..62d826b 100644
--- a/examples/django-react-desktop-app/frontend/package.json
+++ b/examples/django-react-desktop-app/frontend/package.json
@@ -7,7 +7,7 @@
     "build": "vite build"
   },
   "dependencies": {
-    "@rythazhur/mizan": "file:../../../packages/mizan-react",
+    "@rythazhur/mizan": "file:../../../frontends/mizan-react",
     "react": "^19.0.0",
     "react-dom": "^19.0.0"
   },
diff --git a/examples/django-react-desktop-app/frontend/vite.config.ts b/examples/django-react-desktop-app/frontend/vite.config.ts
index bb0d407..b51b055 100644
--- a/examples/django-react-desktop-app/frontend/vite.config.ts
+++ b/examples/django-react-desktop-app/frontend/vite.config.ts
@@ -2,7 +2,7 @@ import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import path from 'path'
 
-const reactPkg = path.resolve(__dirname, '../../../packages/mizan-react/src')
+const reactPkg = path.resolve(__dirname, '../../../frontends/mizan-react/src')
 
 export default defineConfig({
     plugins: [react()],
diff --git a/examples/django-react-site/Dockerfile.test b/examples/django-react-site/Dockerfile.test
index 32e75e0..0a6aea6 100644
--- a/examples/django-react-site/Dockerfile.test
+++ b/examples/django-react-site/Dockerfile.test
@@ -8,7 +8,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
 
 # Install mizan from local source with channels support
-COPY packages/mizan-django/ /app/django/
+COPY backends/mizan-django/ /app/django/
 RUN pip install --no-cache-dir /app/django[channels] daphne
 
 # Copy example app
diff --git a/examples/django-react-site/harness/django.config.mjs b/examples/django-react-site/harness/django.config.mjs
index 23a63cc..5d5d15a 100644
--- a/examples/django-react-site/harness/django.config.mjs
+++ b/examples/django-react-site/harness/django.config.mjs
@@ -10,9 +10,9 @@ export default {
     source: {
         django: {
             managePath: path.join(root, 'examples/django-react-site/backend/manage.py'),
-            command: [path.join(root, 'packages/mizan-django/.venv/bin/python')],
+            command: [path.join(root, 'backends/mizan-django/.venv/bin/python')],
             env: {
-                PYTHONPATH: `${path.join(root, 'packages/mizan-django/src')}:${path.join(root, 'examples/django-react-site/backend')}`,
+                PYTHONPATH: `${path.join(root, 'backends/mizan-django/src')}:${path.join(root, 'examples/django-react-site/backend')}`,
                 DJANGO_SETTINGS_MODULE: 'testapp.settings',
             },
         },
diff --git a/examples/django-react-site/harness/package.json b/examples/django-react-site/harness/package.json
index 56b0dfa..0f0c4e7 100644
--- a/examples/django-react-site/harness/package.json
+++ b/examples/django-react-site/harness/package.json
@@ -7,7 +7,7 @@
     "dev": "vite --port 5174"
   },
   "dependencies": {
-    "@rythazhur/mizan": "file:../../../packages/mizan-react",
+    "@rythazhur/mizan": "file:../../../frontends/mizan-react",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "zod": "^4.3.6"
diff --git a/examples/django-react-site/harness/vite.config.ts b/examples/django-react-site/harness/vite.config.ts
index 6ce9d03..ee1caf7 100644
--- a/examples/django-react-site/harness/vite.config.ts
+++ b/examples/django-react-site/harness/vite.config.ts
@@ -2,7 +2,7 @@ import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 import path from 'path'
 
-const reactPkg = path.resolve(__dirname, '../../../packages/mizan-react/src')
+const reactPkg = path.resolve(__dirname, '../../../frontends/mizan-react/src')
 
 export default defineConfig({
     plugins: [react()],
diff --git a/frontends/mizan-base/package.json b/frontends/mizan-base/package.json
index 30b5cd9..3eb7a05 100644
--- a/frontends/mizan-base/package.json
+++ b/frontends/mizan-base/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "@mizan/runtime",
+  "name": "@mizan/base",
   "version": "0.1.0",
   "description": "Mizan client runtime — context registry, invalidation, fetch. Zero framework dependencies.",
   "type": "module",
diff --git a/frontends/mizan-base/src/index.ts b/frontends/mizan-base/src/index.ts
index 2ab88b0..9bb03ec 100644
--- a/frontends/mizan-base/src/index.ts
+++ b/frontends/mizan-base/src/index.ts
@@ -1,5 +1,5 @@
 /**
- * @mizan/runtime — The client state kernel.
+ * @mizan/base — The client state kernel.
  *
  * Zero framework dependencies. React, Vue, Svelte — all import from here.
  *
diff --git a/frontends/mizan-svelte/package.json b/frontends/mizan-svelte/package.json
index 478b410..1f1e92f 100644
--- a/frontends/mizan-svelte/package.json
+++ b/frontends/mizan-svelte/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@mizan/svelte",
   "version": "0.1.0",
-  "description": "Mizan Svelte adapter — stores generated from @mizan/runtime.",
+  "description": "Mizan Svelte adapter — stores generated from @mizan/base.",
   "type": "module",
   "peerDependencies": {
     "svelte": ">=4",
-    "@mizan/runtime": ">=0.1.0"
+    "@mizan/base": ">=0.1.0"
   },
   "license": "MIT"
 }
diff --git a/frontends/mizan-vue/package.json b/frontends/mizan-vue/package.json
index acfae61..8102e1e 100644
--- a/frontends/mizan-vue/package.json
+++ b/frontends/mizan-vue/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@mizan/vue",
   "version": "0.1.0",
-  "description": "Mizan Vue adapter — composables generated from @mizan/runtime.",
+  "description": "Mizan Vue adapter — composables generated from @mizan/base.",
   "type": "module",
   "peerDependencies": {
     "vue": ">=3",
-    "@mizan/runtime": ">=0.1.0"
+    "@mizan/base": ">=0.1.0"
   },
   "license": "MIT"
 }