diff --git a/packages/admin-next/src/components/resource-form.test.tsx b/packages/admin-next/src/components/resource-form.test.tsx
new file mode 100644
index 0000000..ee3b466
--- /dev/null
+++ b/packages/admin-next/src/components/resource-form.test.tsx
@@ -0,0 +1,107 @@
+import { cleanup, render, screen, waitFor } from "@testing-library/react";
+import { afterEach, describe, expect, it, vi } from "vitest";
+import type { AdminActions } from "../server/actions.js";
+import type { FormSchema } from "../types.js";
+import { ResourceForm } from "./resource-form.js";
+
+afterEach(cleanup);
+
+describe("ResourceForm", () => {
+  it("prefills edit fields declared inside conditional dependencies", async () => {
+    const schema: FormSchema = {
+      uiType: "form",
+      type: "edit",
+      schema: {
+        type: "object",
+        additionalProperties: false,
+        properties: {
+          models_mode: {
+            type: "string",
+            enum: ["all", "only"],
+          },
+          voices_mode: {
+            type: "string",
+            enum: ["all", "only"],
+          },
+        },
+        dependencies: {
+          models_mode: {
+            oneOf: [
+              {
+                properties: {
+                  models_mode: { enum: ["all"] },
+                },
+              },
+              {
+                properties: {
+                  models_mode: { enum: ["only"] },
+                  models_allow: {
+                    type: "array",
+                    items: { type: "string" },
+                  },
+                },
+              },
+            ],
+          },
+          voices_mode: {
+            oneOf: [
+              {
+                properties: {
+                  voices_mode: { enum: ["all"] },
+                },
+              },
+              {
+                properties: {
+                  voices_mode: { enum: ["only"] },
+                  voices_allow: {
+                    type: "array",
+                    items: { type: "string" },
+                  },
+                },
+              },
+            ],
+          },
+        },
+      },
+      uiSchema: {},
+      supportedActions: [],
+    };
+    const actions: AdminActions = {
+      listResources: vi.fn(),
+      getSchema: vi.fn(),
+      fetchUrl: vi.fn(),
+      submitAction: vi.fn(),
+      fetchAction: vi.fn().mockResolvedValue({
+        ok: true,
+        data: {
+          data: {
+            id: "free",
+            models_mode: "only",
+            models_allow: ["gpt-4o-mini"],
+            voices_mode: "only",
+            voices_allow: ["en-US-E2EAvaNeural"],
+          },
+        },
+      }),
+    };
+
+    render(
+      <ResourceForm
+        resourceId="permissions"
+        action="edit"
+        dynamicPath="free"
+        schema={schema}
+        actions={actions}
+        onDone={vi.fn()}
+      />,
+    );
+
+    expect(await screen.findByDisplayValue("gpt-4o-mini")).toBeTruthy();
+    expect(await screen.findByDisplayValue("en-US-E2EAvaNeural")).toBeTruthy();
+    await waitFor(() => {
+      expect(actions.fetchAction).toHaveBeenCalledWith("permissions", "edit", {
+        dynamicPath: "free",
+      });
+    });
+  });
+});
diff --git a/packages/admin-next/src/components/resource-form.tsx b/packages/admin-next/src/components/resource-form.tsx
index a2a68e5..da5d2e5 100644
--- a/packages/admin-next/src/components/resource-form.tsx
+++ b/packages/admin-next/src/components/resource-form.tsx
@@ -22,15 +22,58 @@ import {
 } from "./array-templates.js";
 import { Button } from "./ui.js";
 
-/** Keep only the keys declared in the form schema's `properties`. */
+type SchemaNode = {
+  type?: string | string[];
+  properties?: Record<string, SchemaNode>;
+  items?: SchemaNode;
+  dependencies?: Record<string, SchemaNode | string[]>;
+  oneOf?: SchemaNode[];
+  anyOf?: SchemaNode[];
+  allOf?: SchemaNode[];
+  if?: SchemaNode;
+  then?: SchemaNode;
+  else?: SchemaNode;
+};
+
+/**
+ * Collect every property key a schema can hold, including keys declared in
+ * conditional draft-07 branches. RJSF resolves these branches at render time,
+ * so edit-prefill filtering must account for them before handing over data.
+ */
+function collectSchemaKeys(
+  schema: SchemaNode,
+  keys = new Set<string>(),
+  seen = new Set<SchemaNode>(),
+): Set<string> {
+  if (seen.has(schema)) return keys;
+  seen.add(schema);
+
+  for (const key of Object.keys(schema.properties ?? {})) keys.add(key);
+
+  for (const branch of [schema.if, schema.then, schema.else]) {
+    if (branch) collectSchemaKeys(branch, keys, seen);
+  }
+  for (const branches of [schema.oneOf, schema.anyOf, schema.allOf]) {
+    for (const branch of branches ?? []) {
+      collectSchemaKeys(branch, keys, seen);
+    }
+  }
+  for (const dependency of Object.values(schema.dependencies ?? {})) {
+    if (!Array.isArray(dependency)) {
+      collectSchemaKeys(dependency, keys, seen);
+    }
+  }
+
+  return keys;
+}
+
+/** Keep only the keys the form schema can hold (declared or conditional). */
 function pickSchemaKeys(
   data: Record<string, unknown>,
   schema: FormSchema,
 ): Record<string, unknown> {
-  const properties = (schema.schema as { properties?: Record<string, unknown> })
-    .properties;
-  if (!properties) return data;
-  const allowed = new Set(Object.keys(properties));
+  const allowed = collectSchemaKeys(schema.schema as SchemaNode);
+  if (allowed.size === 0) return data;
   const out: Record<string, unknown> = {};
   for (const [key, value] of Object.entries(data)) {
     if (allowed.has(key)) out[key] = value;
@@ -38,12 +81,6 @@ function pickSchemaKeys(
   return out;
 }
 
-type SchemaNode = {
-  type?: string | string[];
-  properties?: Record<string, SchemaNode>;
-  items?: SchemaNode;
-};
-
 function normalizeFormDataForSchema(
   data: Record<string, unknown>,
   schema: FormSchema,