diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index fb93fbad1..f42dfa971 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,13 +5,8 @@ on:
     branches: [master]
 
 jobs:
-  release-test:
-    if: github.actor != 'renovate[bot]'
-    uses: ./.github/workflows/test.yml
-
   release-github:
     name: Github Release
-    needs: [release-test]
     runs-on: ubuntu-latest
     concurrency:
       group: release
diff --git a/deno.lock b/deno.lock
index 8d3724b83..d7e4b7ce5 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1404,6 +1404,7 @@
       },
       "packages/json-schema": {
         "dependencies": [
+          "jsr:@es-toolkit/es-toolkit@^1.45.1",
           "jsr:@targetd/api@^8.0.3",
           "npm:@types/yargs@^17.0.35",
           "npm:yargs@18",
diff --git a/packages/fs/src/watch.ts b/packages/fs/src/watch.ts
index dcdc025fb..56328d554 100644
--- a/packages/fs/src/watch.ts
+++ b/packages/fs/src/watch.ts
@@ -1,6 +1,9 @@
 import type { DT } from '@targetd/api'
 import { debounce, Mutex } from '@es-toolkit/es-toolkit'
-import { watch as fsWatch, type WatchOptions } from 'node:fs'
+import {
+  watch as fsWatch,
+  type WatchOptions as BaseWatchOptions,
+} from 'node:fs'
 import { load, pathIsLoadable } from './load.ts'
 
 /**
@@ -26,6 +29,17 @@ import { load, pathIsLoadable } from './load.ts'
  */
 export type OnLoad<D extends DT.Any> = (error: Error | null, data: D) => any
 
+/**
+ * Options for watching a directory for rule file changes.
+ */
+export interface WatchOptions extends BaseWatchOptions {
+  /**
+   * Milliseconds to debounce file change events before reloading rules.
+   * @default 300
+   */
+  debounceMS?: number
+}
+
 /**
  * Watch a directory for rule file changes and automatically reload.
  * Provides hot-reloading of targeting rules without restarting the application.
@@ -80,7 +94,9 @@ export function watch<D extends DT.Any>(
   optionsOrOnLoad: WatchOptions | OnLoad<D>,
   onLoadParam?: OnLoad<D>,
 ) {
-  const options = onLoadParam ? optionsOrOnLoad as WatchOptions : {}
+  const { debounceMS = 300, ...fsOptions } = onLoadParam
+    ? optionsOrOnLoad as WatchOptions
+    : {}
   const onLoad = (onLoadParam || optionsOrOnLoad) as OnLoad<D>
   const mutex = new Mutex()
 
@@ -99,13 +115,13 @@ export function watch<D extends DT.Any>(
 
   const watcher = fsWatch(
     dir,
-    options,
+    fsOptions,
     debounce(
       async (_eventType, filename) => {
         if (filename && !pathIsLoadable(filename)) return
         await onChange()
       },
-      300,
+      debounceMS,
     ),
   )
 
diff --git a/packages/json-schema/deno.json b/packages/json-schema/deno.json
index 428bf67a8..302177a94 100644
--- a/packages/json-schema/deno.json
+++ b/packages/json-schema/deno.json
@@ -7,6 +7,7 @@
     "./cli": "./src/cli.ts"
   },
   "imports": {
+    "@es-toolkit/es-toolkit": "jsr:@es-toolkit/es-toolkit@^1.45.1",
     "@targetd/api": "jsr:@targetd/api@^8.0.3",
     "@types/yargs": "npm:@types/yargs@^17.0.35",
     "yargs": "npm:yargs@^18.0.0",
@@ -31,7 +32,6 @@
   "publish": {
     "include": [
       "deno.json",
-      "package.json",
       "src/",
       "LICENSE",
       "README.md"
diff --git a/packages/json-schema/package.json b/packages/json-schema/package.json
deleted file mode 100644
index 2f68d3152..000000000
--- a/packages/json-schema/package.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "@targetd/json-schema",
-  "bin": "./src/cli.js"
-}
diff --git a/packages/json-schema/src/cli.ts b/packages/json-schema/src/cli.ts
index e9ed12ae0..a25bb226a 100644
--- a/packages/json-schema/src/cli.ts
+++ b/packages/json-schema/src/cli.ts
@@ -1,6 +1,7 @@
 import type { DT } from '@targetd/api'
 import yargs from 'yargs'
 import * as path from 'node:path'
+import { pathToFileURL } from 'node:url'
 import { writeFile } from 'node:fs/promises'
 import { argv, cwd } from 'node:process'
 import { dataJSONSchemas } from './index.ts'
@@ -31,8 +32,7 @@ const { dataExport, inputModule, outputFile } = await yargs()
   .parseAsync(argv)
 
 const input = await import(
-  // We need a forward slash here so that Deno is aware it's an absolute path
-  `/${path.resolve(cwd(), inputModule).replace(/^\//, '')}`
+  pathToFileURL(path.resolve(cwd(), inputModule)).href
 )
 
 const data = input[dataExport]
diff --git a/packages/json-schema/src/index.ts b/packages/json-schema/src/index.ts
index 0aa426a22..33c36394f 100644
--- a/packages/json-schema/src/index.ts
+++ b/packages/json-schema/src/index.ts
@@ -1,3 +1,4 @@
+import { omit } from '@es-toolkit/es-toolkit'
 import {
   DataItemParser,
   DataItemsParser,
@@ -26,6 +27,7 @@ import type { $ZodType, JSONSchema } from 'zod/v4/core'
  */
 export function dataJSONSchemas<D extends DT.Any>(
   data: D,
+  params?: ToJSONSchemaParams,
 ): JSONSchema.BaseSchema {
   return toJSONSchema(
     extend(
@@ -36,7 +38,7 @@ export function dataJSONSchemas<D extends DT.Any>(
       ) as any,
       { $schema: optional(string()) },
     ),
-    params,
+    toJSONSchemaParams(params),
   )
 }
 
@@ -58,6 +60,7 @@ export function dataJSONSchemas<D extends DT.Any>(
 export function dataJSONSchema<D extends DT.Any>(
   data: D,
   name: keyof DT.PayloadParsers<D>,
+  params?: ToJSONSchemaParams,
 ): JSONSchema.BaseSchema {
   return toJSONSchema(
     extend(
@@ -69,25 +72,45 @@ export function dataJSONSchema<D extends DT.Any>(
       ) as any,
       { $schema: optional(string()) },
     ),
-    params,
+    toJSONSchemaParams(params),
   )
 }
 
-const params: NonNullable<Parameters<typeof toJSONSchema>[1]> = {
-  io: 'input',
-  unrepresentable: 'any',
-  reused: 'ref',
-  override(ctx) {
-    if (isZodSwitch(ctx.zodSchema)) {
-      const union = switchRegistry.get(ctx.zodSchema)
-        ?.union
-      if (union) {
-        ctx.jsonSchema = toJSONSchema(union as any, params)
+type _ToJSONSchemaParams = NonNullable<Parameters<typeof toJSONSchema>[1]>
+
+export type ToJSONSchemaParams = _ToJSONSchemaParams & {
+  override?: (
+    ...args: Parameters<Required<_ToJSONSchemaParams>['override']>
+  ) => void | boolean
+}
+
+function toJSONSchemaParams(params?: ToJSONSchemaParams): _ToJSONSchemaParams {
+  return {
+    io: 'input',
+    reused: 'ref',
+    unrepresentable: 'any',
+    override(ctx) {
+      if (params?.override?.(ctx)) return
+      if (isZodSwitch(ctx.zodSchema)) {
+        const union = switchRegistry.get(ctx.zodSchema)
+          ?.union
+        if (union) {
+          const schema = toJSONSchema(
+            union as any,
+            toJSONSchemaParams(params),
+          )
+          // Mutate the jsonSchema in place - ctx.jsonSchema is a reference
+          // to the actual schema object, so we must modify it directly
+          for (const key in ctx.jsonSchema) {
+            delete (ctx.jsonSchema as Record<string, unknown>)[key]
+          }
+          Object.assign(ctx.jsonSchema, schema)
+          delete (ctx.jsonSchema as Record<string, unknown>).$schema
+        }
       }
-    } else if (ctx.zodSchema._zod.def.type === 'transform') {
-      ctx.jsonSchema = {}
-    }
-  },
+    },
+    ...(params && omit(params, ['override'])),
+  }
 }
 
 function isZodSwitch(parser: $ZodType): parser is ZodSwitch {
diff --git a/packages/json-schema/test/__snapshots__/index.test.ts.snap b/packages/json-schema/test/__snapshots__/index.test.ts.snap
index 87dec096c..78fbe6c05 100644
--- a/packages/json-schema/test/__snapshots__/index.test.ts.snap
+++ b/packages/json-schema/test/__snapshots__/index.test.ts.snap
@@ -34,7 +34,15 @@ snapshot[`json schema for simple data object 1`] = `
       items: {
         additionalProperties: false,
         properties: {
-          payload: {},
+          payload: {
+            anyOf: [
+              {
+                pattern: "^\\\\{\\\\{[\\\\s\\\\S]{0,}\\\\}\\\\}\$",
+                type: "string",
+              },
+              {},
+            ],
+          },
           targeting: {
             anyOf: [
               {
@@ -68,6 +76,67 @@ snapshot[`json schema for simple data object 1`] = `
       },
       type: "object",
     },
+    __schema6: {
+      additionalProperties: false,
+      properties: {
+        browser: {
+          "\$ref": "#/\$defs/__schema2",
+        },
+        weather: {
+          "\$ref": "#/\$defs/__schema1",
+        },
+      },
+      type: "object",
+    },
+    __schema7: {
+      type: "string",
+    },
+    __schema8: {
+      items: {
+        additionalProperties: false,
+        properties: {
+          payload: {
+            anyOf: [
+              {
+                pattern: "^\\\\{\\\\{[\\\\s\\\\S]{0,}\\\\}\\\\}\$",
+                type: "string",
+              },
+              {},
+            ],
+          },
+          targeting: {
+            anyOf: [
+              {
+                "\$ref": "#/\$defs/__schema9",
+              },
+              {
+                items: {
+                  "\$ref": "#/\$defs/__schema9",
+                },
+                type: "array",
+              },
+            ],
+          },
+        },
+        required: [
+          "payload",
+        ],
+        type: "object",
+      },
+      type: "array",
+    },
+    __schema9: {
+      additionalProperties: false,
+      properties: {
+        browser: {
+          "\$ref": "#/\$defs/__schema2",
+        },
+        weather: {
+          "\$ref": "#/\$defs/__schema1",
+        },
+      },
+      type: "object",
+    },
   },
   "\$schema": "https://json-schema.org/draft/2020-12/schema",
   additionalProperties: false,
@@ -75,6 +144,92 @@ snapshot[`json schema for simple data object 1`] = `
     "\$schema": {
       type: "string",
     },
+    bar: {
+      additionalProperties: false,
+      properties: {
+        rules: {
+          items: {
+            additionalProperties: false,
+            properties: {
+              payload: {
+                anyOf: [
+                  {
+                    pattern: "^\\\\{\\\\{[\\\\s\\\\S]{0,}\\\\}\\\\}\$",
+                    type: "string",
+                  },
+                  {
+                    additionalProperties: false,
+                    properties: {
+                      a: {
+                        anyOf: [
+                          {
+                            pattern: "^\\\\{\\\\{[\\\\s\\\\S]{0,}\\\\}\\\\}\$",
+                            type: "string",
+                          },
+                          {
+                            type: "number",
+                          },
+                        ],
+                      },
+                      b: {
+                        anyOf: [
+                          {
+                            pattern: "^\\\\{\\\\{[\\\\s\\\\S]{0,}\\\\}\\\\}\$",
+                            type: "string",
+                          },
+                          {
+                            items: {
+                              type: "string",
+                            },
+                            type: "array",
+                          },
+                        ],
+                      },
+                    },
+                    required: [
+                      "a",
+                      "b",
+                    ],
+                    type: "object",
+                  },
+                ],
+              },
+              targeting: {
+                anyOf: [
+                  {
+                    "\$ref": "#/\$defs/__schema6",
+                  },
+                  {
+                    items: {
+                      "\$ref": "#/\$defs/__schema6",
+                    },
+                    type: "array",
+                  },
+                ],
+              },
+            },
+            required: [
+              "payload",
+            ],
+            type: "object",
+          },
+          type: "array",
+        },
+        variables: {
+          additionalProperties: {
+            "\$ref": "#/\$defs/__schema8",
+          },
+          propertyNames: {
+            "\$ref": "#/\$defs/__schema7",
+          },
+          type: "object",
+        },
+      },
+      required: [
+        "rules",
+      ],
+      type: "object",
+    },
     foo: {
       additionalProperties: false,
       properties: {
diff --git a/packages/json-schema/test/fixtures/data.ts b/packages/json-schema/test/fixtures/data.ts
index cef6bf29f..c2c40c491 100644
--- a/packages/json-schema/test/fixtures/data.ts
+++ b/packages/json-schema/test/fixtures/data.ts
@@ -5,6 +5,10 @@ export const data = await Data.create()
   .usePayload(
     {
       foo: z.string(),
+      bar: z.strictObject({
+        a: z.number(),
+        b: z.array(z.string()),
+      }),
     },
   )
   .useTargeting({
@@ -13,8 +17,43 @@ export const data = await Data.create()
   .useFallThroughTargeting({
     browser: targetIncludes(z.string()),
   })
-  .addRules('foo', [
+  .addRules('foo', {
+    variables: {
+      weatherMessage: [
+        {
+          targeting: {
+            weather: ['sunny'],
+          },
+          payload: 'sunshine',
+        },
+        {
+          targeting: {
+            weather: ['rainy'],
+          },
+          payload: 'raindrops',
+        },
+        {
+          payload: 'weather',
+        },
+      ],
+    },
+    rules: [
+      {
+        targeting: {
+          weather: ['sunny'],
+        },
+        payload: '{{weatherMessage}}',
+      },
+      {
+        payload: 'default message',
+      },
+    ],
+  })
+  .addRules('bar', [
     {
-      payload: 'bar',
+      payload: {
+        a: 123,
+        b: ['a', 'b'],
+      },
     },
   ])