diff --git a/fallow-baselines/health.json b/fallow-baselines/health.json
index 52fe7fdb4..3f25e1070 100644
--- a/fallow-baselines/health.json
+++ b/fallow-baselines/health.json
@@ -1,5 +1,10 @@
 {
   "finding_counts": {
+    "packages/command-registry/src/batch.ts": {
+      "complexity_moderate": {
+        "count": 1
+      }
+    },
     "src/__tests__/cli-config.test.ts": {
       "crap_high": {
         "count": 1
@@ -89,11 +94,6 @@
         "count": 1
       }
     },
-    "src/core/batch.ts": {
-      "complexity_moderate": {
-        "count": 1
-      }
-    },
     "src/core/dispatch.ts": {
       "complexity_critical": {
         "count": 1
diff --git a/packages/command-registry/package.json b/packages/command-registry/package.json
index 04f9add51..cc6e4723d 100644
--- a/packages/command-registry/package.json
+++ b/packages/command-registry/package.json
@@ -7,6 +7,7 @@
   "description": "The command descriptor registry: the single declaration of every command's surface, runtime-use, batch, timeout, and platform-execution traits, plus the catalogs and projections derived from it.",
   "dependencies": {
     "@agent-device/contracts": "workspace:*",
+    "@agent-device/kernel": "workspace:*",
     "@agent-device/selectors": "workspace:*"
   },
   "exports": {
@@ -61,6 +62,14 @@
     "./wait-positionals": {
       "types": "./src/wait-positionals.ts",
       "default": "./src/wait-positionals.ts"
+    },
+    "./batch": {
+      "types": "./src/batch.ts",
+      "default": "./src/batch.ts"
+    },
+    "./batch-policy": {
+      "types": "./src/batch-policy.ts",
+      "default": "./src/batch-policy.ts"
     }
   }
 }
diff --git a/src/core/__tests__/batch.test.ts b/packages/command-registry/src/__tests__/batch.test.ts
similarity index 100%
rename from src/core/__tests__/batch.test.ts
rename to packages/command-registry/src/__tests__/batch.test.ts
diff --git a/src/core/batch-policy.ts b/packages/command-registry/src/batch-policy.ts
similarity index 96%
rename from src/core/batch-policy.ts
rename to packages/command-registry/src/batch-policy.ts
index a52ecc249..fc5b371f8 100644
--- a/src/core/batch-policy.ts
+++ b/packages/command-registry/src/batch-policy.ts
@@ -1,5 +1,5 @@
-import { deriveStructuredBatchCommandNames } from '@agent-device/command-registry/derive';
-import { commandDescriptors } from '@agent-device/command-registry/registry';
+import { deriveStructuredBatchCommandNames } from './derive.ts';
+import { commandDescriptors } from './registry.ts';
 import { AppError } from '@agent-device/kernel/errors';
 
 /**
diff --git a/src/core/batch.ts b/packages/command-registry/src/batch.ts
similarity index 100%
rename from src/core/batch.ts
rename to packages/command-registry/src/batch.ts
diff --git a/packages/contracts/src/batch-step.ts b/packages/contracts/src/batch-step.ts
index 2c2c281e3..11f617edb 100644
--- a/packages/contracts/src/batch-step.ts
+++ b/packages/contracts/src/batch-step.ts
@@ -3,9 +3,11 @@ import type { SessionRuntimeHints } from '@agent-device/kernel/contracts';
 /**
  * One step of a daemon batch, as submitted.
  *
- * Declared here rather than in `core/batch.ts` because the public API vocabulary
- * (`contracts/client-replay.ts`) is stated in terms of it, and `core/` sits above contracts. The
- * `runtime` field used to be written as `DaemonRequest['runtime']`, which pulled the whole daemon
+ * Declared here rather than in `@agent-device/command-registry/batch` because the public API
+ * vocabulary (`contracts/client-replay.ts`) is stated in terms of it, and contracts sits below
+ * command-registry.
+ *
+ * The `runtime` field used to be written as `DaemonRequest['runtime']`, which pulled the whole daemon
  * request type in to say `SessionRuntimeHints` — the same type, one zone lower.
  */
 export type DaemonBatchStep = {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f6df69220..a803c846e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -231,6 +231,9 @@ importers:
       '@agent-device/contracts':
         specifier: workspace:*
         version: link:../contracts
+      '@agent-device/kernel':
+        specifier: workspace:*
+        version: link:../kernel
       '@agent-device/selectors':
         specifier: workspace:*
         version: link:../selectors
diff --git a/src/__tests__/command-descriptor-parity.test.ts b/src/__tests__/command-descriptor-parity.test.ts
index 1cc762876..69cab6746 100644
--- a/src/__tests__/command-descriptor-parity.test.ts
+++ b/src/__tests__/command-descriptor-parity.test.ts
@@ -1,6 +1,6 @@
 import assert from 'node:assert/strict';
 import { test } from 'vitest';
-import { STRUCTURED_BATCH_COMMAND_NAMES } from '../core/batch-policy.ts';
+import { STRUCTURED_BATCH_COMMAND_NAMES } from '@agent-device/command-registry/batch-policy';
 import {
   INTERNAL_COMMANDS,
   listCliCommandNames,
diff --git a/src/cli/batch-steps.ts b/src/cli/batch-steps.ts
index d1349a0c1..5202c4744 100644
--- a/src/cli/batch-steps.ts
+++ b/src/cli/batch-steps.ts
@@ -9,7 +9,7 @@ import { AppError } from '@agent-device/kernel/errors';
 import {
   BATCH_AVAILABLE_COMMANDS_HINT,
   readStructuredBatchCommandName,
-} from '../core/batch-policy.ts';
+} from '@agent-device/command-registry/batch-policy';
 import { assertAllowedKeys } from '../commands/input-readers.ts';
 
 /**
diff --git a/src/client/client-types.ts b/src/client/client-types.ts
index e2a612855..05523a35b 100644
--- a/src/client/client-types.ts
+++ b/src/client/client-types.ts
@@ -46,7 +46,7 @@ export type { AlertAction } from '@agent-device/contracts/alert-contract';
 export type { AppleOS } from '@agent-device/kernel/device';
 // fallow-ignore-next-line unused-type
 export type { JsonObject } from '@agent-device/contracts/client';
-export type { BatchRunResult } from '../core/batch.ts';
+export type { BatchRunResult } from '@agent-device/command-registry/batch';
 
 import type {
   AgentDeviceCapabilitiesResult,
@@ -138,7 +138,7 @@ import type {
   MetroReloadResult,
 } from '@agent-device/contracts/remote';
 
-import type { BatchRunResult } from '../core/batch.ts';
+import type { BatchRunResult } from '@agent-device/command-registry/batch';
 
 import type {
   AgentArtifactsResult,
diff --git a/src/commands/batch/index.ts b/src/commands/batch/index.ts
index 0b3257899..276f552f2 100644
--- a/src/commands/batch/index.ts
+++ b/src/commands/batch/index.ts
@@ -6,7 +6,7 @@ import { defineCommandFacet, defineCommandFamilyFromFacets } from '../family/typ
 import { commonToClientOptions } from '../common-input-fields.ts';
 import { batchCliOutputFormatters } from './output.ts';
 import { createBatchCommandMetadata, type BatchCommandStep, type BatchInput } from './metadata.ts';
-import { STRUCTURED_BATCH_COMMAND_NAMES } from '../../core/batch-policy.ts';
+import { STRUCTURED_BATCH_COMMAND_NAMES } from '@agent-device/command-registry/batch-policy';
 import { createBatchDaemonWriter } from './projection.ts';
 
 const batchCommandMetadata = createBatchCommandMetadata();
diff --git a/src/commands/batch/metadata.ts b/src/commands/batch/metadata.ts
index b2521aa61..63ba96aba 100644
--- a/src/commands/batch/metadata.ts
+++ b/src/commands/batch/metadata.ts
@@ -12,7 +12,7 @@ import { type SessionRuntimeHints } from '@agent-device/kernel/contracts';
 import {
   STRUCTURED_BATCH_COMMAND_NAMES,
   readStructuredBatchCommandName,
-} from '../../core/batch-policy.ts';
+} from '@agent-device/command-registry/batch-policy';
 import { type CommandMetadata, type JsonSchema } from '../command-contract.ts';
 import {
   customField,
diff --git a/src/commands/batch/output.ts b/src/commands/batch/output.ts
index 4dc6da946..f2a014fa5 100644
--- a/src/commands/batch/output.ts
+++ b/src/commands/batch/output.ts
@@ -1,4 +1,4 @@
-import type { BatchRunResult, BatchStepResult } from '../../core/batch.ts';
+import type { BatchRunResult, BatchStepResult } from '@agent-device/command-registry/batch';
 import { readCommandMessage } from '@agent-device/kernel/success-text';
 import type { CliOutput } from '../command-contract.ts';
 import { resultOutput, type CliOutputFormatter } from '../output-common.ts';
diff --git a/src/commands/batch/projection.ts b/src/commands/batch/projection.ts
index 69e542e65..353dae549 100644
--- a/src/commands/batch/projection.ts
+++ b/src/commands/batch/projection.ts
@@ -2,7 +2,7 @@ import { PUBLIC_COMMANDS } from '@agent-device/command-registry/catalog';
 import {
   STRUCTURED_BATCH_COMMAND_NAMES,
   readStructuredBatchCommandName,
-} from '../../core/batch-policy.ts';
+} from '@agent-device/command-registry/batch-policy';
 import {
   parseBatchStepRuntime,
   readBatchStepInputObject,
diff --git a/src/daemon/handlers/session-batch.ts b/src/daemon/handlers/session-batch.ts
index 79c2f2f6e..16ade23c6 100644
--- a/src/daemon/handlers/session-batch.ts
+++ b/src/daemon/handlers/session-batch.ts
@@ -1,4 +1,4 @@
-import { runBatch } from '../../core/batch.ts';
+import { runBatch } from '@agent-device/command-registry/batch';
 import type { DaemonInvokeFn, DaemonRequest, DaemonResponse } from '../daemon-request.ts';
 
 export async function runBatchCommands(
diff --git a/src/daemon/replay/internal/session-replay-action-runtime.ts b/src/daemon/replay/internal/session-replay-action-runtime.ts
index bc9918288..06e2d8db2 100644
--- a/src/daemon/replay/internal/session-replay-action-runtime.ts
+++ b/src/daemon/replay/internal/session-replay-action-runtime.ts
@@ -1,7 +1,7 @@
 import type { SessionAction } from '@agent-device/contracts/session';
 import type { CommandFlags } from '@agent-device/contracts/command';
 import type { DaemonInvokeFn, DaemonRequest, DaemonResponse } from '../../daemon-request.ts';
-import { mergeParentFlags } from '../../../core/batch.ts';
+import { mergeParentFlags } from '@agent-device/command-registry/batch';
 import { AppError, normalizeError } from '@agent-device/kernel/errors';
 import {
   gesturePayloadFromPositionals,
diff --git a/src/mcp/__tests__/command-tools-nested-admission.test.ts b/src/mcp/__tests__/command-tools-nested-admission.test.ts
index 03041530f..84ea824aa 100644
--- a/src/mcp/__tests__/command-tools-nested-admission.test.ts
+++ b/src/mcp/__tests__/command-tools-nested-admission.test.ts
@@ -1,7 +1,7 @@
 import assert from 'node:assert/strict';
 import { test } from 'vitest';
 import type { AgentDeviceClient } from '../../client/client-types.ts';
-import { STRUCTURED_BATCH_COMMAND_NAMES } from '../../core/batch-policy.ts';
+import { STRUCTURED_BATCH_COMMAND_NAMES } from '@agent-device/command-registry/batch-policy';
 import { findCommandMetadata } from '../../commands/command-metadata.ts';
 import { createCommandToolExecutor } from '../command-tools.ts';
 
diff --git a/src/mcp/command-tools.ts b/src/mcp/command-tools.ts
index 3109caa96..fc364d7f1 100644
--- a/src/mcp/command-tools.ts
+++ b/src/mcp/command-tools.ts
@@ -12,7 +12,7 @@ import {
   type CommandName,
 } from '../commands/command-metadata.ts';
 import { mcpBody } from '../commands/command-text.ts';
-import { resolveStructuredBatchCommandName } from '../core/batch-policy.ts';
+import { resolveStructuredBatchCommandName } from '@agent-device/command-registry/batch-policy';
 import {
   resolveCommandRecordsSessionAction,
   resolveCommandTimeoutPolicy,
diff --git a/src/sdk/batch.ts b/src/sdk/batch.ts
index 89fc6e59c..851a4adc4 100644
--- a/src/sdk/batch.ts
+++ b/src/sdk/batch.ts
@@ -1 +1 @@
-export { runBatch } from '../core/batch.ts';
+export { runBatch } from '@agent-device/command-registry/batch';
diff --git a/tsdown.config.ts b/tsdown.config.ts
index 9e368d46c..d519fcb75 100644
--- a/tsdown.config.ts
+++ b/tsdown.config.ts
@@ -32,8 +32,16 @@ const publicSdkChunkGroups = [
     /packages[\\/]kernel[\\/]src[\\/]snapshot\.ts$/,
   ],
   ['sdk-io', /src[\\/]io\.d\.[cm]?ts$/, /src[\\/]io\.ts$/],
-  ['sdk-batch', /src[\\/]batch-policy\.d\.[cm]?ts$/, /src[\\/]batch-policy\.ts$/],
-  ['sdk-batch-runner', /src[\\/]core[\\/]batch\.d\.[cm]?ts$/, /src[\\/]core[\\/]batch\.ts$/],
+  [
+    'sdk-batch',
+    /packages[\\/]command-registry[\\/]src[\\/]batch-policy\.d\.[cm]?ts$/,
+    /packages[\\/]command-registry[\\/]src[\\/]batch-policy\.ts$/,
+  ],
+  [
+    'sdk-batch-runner',
+    /packages[\\/]command-registry[\\/]src[\\/]batch\.d\.[cm]?ts$/,
+    /packages[\\/]command-registry[\\/]src[\\/]batch\.ts$/,
+  ],
   ['sdk-finders', /src[\\/]finders\.d\.[cm]?ts$/, /src[\\/]finders\.ts$/],
   [
     'sdk-android-adb',