From e7abdeb96c157adda1aa724a13070567985b3078 Mon Sep 17 00:00:00 2001
From: Davide Di Pumpo <davidemak@gmail.com>
Date: Tue, 4 Nov 2025 09:43:36 +0100
Subject: [PATCH 1/3] decode

---
 .../vue-components/src/components/OmegaForm/useOmegaForm.ts    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vue-components/src/components/OmegaForm/useOmegaForm.ts b/packages/vue-components/src/components/OmegaForm/useOmegaForm.ts
index 1038803a56..f3bc868ab1 100644
--- a/packages/vue-components/src/components/OmegaForm/useOmegaForm.ts
+++ b/packages/vue-components/src/components/OmegaForm/useOmegaForm.ts
@@ -711,7 +711,8 @@ export const useOmegaForm = <
     try {
       // Note: Partial schemas don't have .make() method yet (https://github.com/Effect-TS/effect/issues/4222)
       if ("make" in schema && typeof (schema as any).make === "function") {
-        return (schema as any).make(defaultValues, { disableValidation: true })
+        const decoded = (schema as any).make(defaultValues, { disableValidation: true })
+        return S.encodeSync(schema.pipe(S.partial))(decoded)
       }
     } catch (error) {
       console.warn("Could not extract schema constructor defaults:", error)

From 4dfcee422cc57ada2b8d6ec404f62bafc8025554 Mon Sep 17 00:00:00 2001
From: Davide Di Pumpo <davidemak@gmail.com>
Date: Tue, 4 Nov 2025 09:52:34 +0100
Subject: [PATCH 2/3] fix: default encoding

---
 .../WithDefaultConstructorPersistency.test.ts          |  8 +++++---
 .../stories/OmegaForm/SimpleFormVuetifyDefault.vue     | 10 +++++++---
 .../stories/OmegaForm/WithDefaultConstructor.vue       |  4 +++-
 3 files changed, 15 insertions(+), 7 deletions(-)

diff --git a/packages/vue-components/__tests__/OmegaForm/WithDefaultConstructorPersistency.test.ts b/packages/vue-components/__tests__/OmegaForm/WithDefaultConstructorPersistency.test.ts
index 030376400d..6b0ddd20e4 100644
--- a/packages/vue-components/__tests__/OmegaForm/WithDefaultConstructorPersistency.test.ts
+++ b/packages/vue-components/__tests__/OmegaForm/WithDefaultConstructorPersistency.test.ts
@@ -24,7 +24,8 @@ describe("OmegaForm withDefaultConstructor with persistency", () => {
           addForm: null,
           b: S.PositiveNumber(100)
         }))),
-      fifth: S.Email
+      fifth: S.Email,
+      sixth: S.NumberFromString.pipe(S.withDefaultConstructor(() => 1000))
     })
 
     // Simulate query string parameters
@@ -32,7 +33,7 @@ describe("OmegaForm withDefaultConstructor with persistency", () => {
     // Format: pathname-key1-key2-key3...
     // Keys from meta will be flattened with dot notation for nested fields
     const pathname = "/test"
-    const keys = ["first", "second", "third", "fourth.addForm", "fourth.b", "fifth"]
+    const keys = ["first", "second", "third", "fourth.addForm", "fourth.b", "fifth", "sixth"]
     const persistencyKey = `${pathname}-${keys.join("-")}`
     const queryValue = JSON.stringify({ first: 1234 })
 
@@ -95,7 +96,8 @@ describe("OmegaForm withDefaultConstructor with persistency", () => {
       fourth: {
         addForm: null,
         b: 100 // Default from withDefaultConstructor
-      }
+      },
+      sixth: "1000"
     })
   })
 })
diff --git a/packages/vue-components/stories/OmegaForm/SimpleFormVuetifyDefault.vue b/packages/vue-components/stories/OmegaForm/SimpleFormVuetifyDefault.vue
index c431feeae3..9615136f39 100644
--- a/packages/vue-components/stories/OmegaForm/SimpleFormVuetifyDefault.vue
+++ b/packages/vue-components/stories/OmegaForm/SimpleFormVuetifyDefault.vue
@@ -1,6 +1,10 @@
 <template>
   <form.Form :subscribe="['values']">
     <template #default="{ subscribedValues: { values } }">
+      <form.Input
+        label="aString"
+        name="aString"
+      />
       <form.Input
         label="bString"
         name="bString"
@@ -18,11 +22,11 @@ import { S } from "effect-app"
 import { useOmegaForm } from "../../src"
 
 const schema = S.Struct({
-  bString: S.PositiveNumber.pipe(S.withDefaultConstructor(() => S.PositiveNumber(2.0)))
-  // aString: S.NullOr(S.NonEmptyString).withDefault
+  aString: S.NullOr(S.NonEmptyString255).withDefault,
+  bString: S.NullOr(S.NonEmptyString255).withDefault
 })
 const defaultValues = {
-  bString: -2
+  aString: ""
 }
 const form = useOmegaForm(schema, {
   onSubmit: async (values) => {
diff --git a/packages/vue-components/stories/OmegaForm/WithDefaultConstructor.vue b/packages/vue-components/stories/OmegaForm/WithDefaultConstructor.vue
index 1344414c16..de102f7599 100644
--- a/packages/vue-components/stories/OmegaForm/WithDefaultConstructor.vue
+++ b/packages/vue-components/stories/OmegaForm/WithDefaultConstructor.vue
@@ -6,6 +6,7 @@
     <template #default="{ subscribedValues: { errors, values: vvv } }">
       <div>Errors: {{ errors }}</div>
       <div>Values: {{ vvv }}</div>
+      <addForm.Input name="first" />
     </template>
   </addForm.Form>
 </template>
@@ -29,7 +30,8 @@ const AddSchema = S.Struct({
       addForm: null,
       b: S.PositiveNumber(100)
     }))),
-  fifth: S.Email
+  fifth: S.Email,
+  sixth: S.NumberFromString.pipe(S.withDefaultConstructor(() => 1000))
 })
 
 const addForm = useOmegaForm(

From 952972f2fda51e43dd96f764f661e8464485df19 Mon Sep 17 00:00:00 2001
From: Davide Di Pumpo <davidemak@gmail.com>
Date: Tue, 4 Nov 2025 09:53:32 +0100
Subject: [PATCH 3/3] Fixes default props decoding in OmegaForm

---
 .changeset/slimy-oranges-accept.md | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .changeset/slimy-oranges-accept.md

diff --git a/.changeset/slimy-oranges-accept.md b/.changeset/slimy-oranges-accept.md
new file mode 100644
index 0000000000..e5115bec24
--- /dev/null
+++ b/.changeset/slimy-oranges-accept.md
@@ -0,0 +1,5 @@
+---
+"@effect-app/vue-components": patch
+---
+
+Fixes default props decoding in OmegaForm