fix: prevent config clobbering

src/gateway/protocol/schema/config.ts

@@ -7,6 +7,7 @@ export const ConfigGetParamsSchema = Type.Object({}, { additionalProperties: fal
 export const ConfigSetParamsSchema = Type.Object(
   {
     raw: NonEmptyString,
+    baseHash: Type.Optional(NonEmptyString),
   },
   { additionalProperties: false },
 );
@@ -14,6 +15,7 @@ export const ConfigSetParamsSchema = Type.Object(
 export const ConfigApplyParamsSchema = Type.Object(
   {
     raw: NonEmptyString,
+    baseHash: Type.Optional(NonEmptyString),
     sessionKey: Type.Optional(Type.String()),
     note: Type.Optional(Type.String()),
     restartDelayMs: Type.Optional(Type.Integer({ minimum: 0 })),
@@ -21,6 +23,14 @@ export const ConfigApplyParamsSchema = Type.Object(
   { additionalProperties: false },
 );
 
+export const ConfigPatchParamsSchema = Type.Object(
+  {
+    raw: NonEmptyString,
+    baseHash: Type.Optional(NonEmptyString),
+  },
+  { additionalProperties: false },
+);
+
 export const ConfigSchemaParamsSchema = Type.Object({}, { additionalProperties: false });
 
 export const UpdateRunParamsSchema = Type.Object(