fix

starpilot/system/the_galaxy/assets/components/router.js

@@ -21,7 +21,7 @@ import { Sidebar } from "/assets/components/sidebar.js?v=controllers-nav-1"
 import { SentryMode } from "/assets/components/tools/sentry.js"
 import { SpeedLimits } from "/assets/components/tools/speed_limits.js"
 import { ModelManager } from "/assets/components/tools/model_manager.js?v=20260825a"
-import { ModelLaboratory } from "/assets/components/tools/model_laboratory.js?v=model-lab-4"
+import { ModelLaboratory } from "/assets/components/tools/model_laboratory.js?v=model-lab-5"
 import { LivePlots } from "/assets/components/tools/plots.js"
 import { ThemeMaker } from "/assets/components/tools/theme_maker.js"
 import { TestingGround } from "/assets/components/tools/testing_ground.js"

starpilot/system/the_galaxy/assets/components/tools/model_laboratory.js

@@ -17,6 +17,7 @@ const state = reactive({
 
 let initialized = false
 let pollHandle = null
+let selectionDirty = false
 
 function modelById(modelId) {
   return state.models.find(model => model.value === modelId)
@@ -55,12 +56,20 @@ function selectionError() {
 }
 
 function applyPayload(payload) {
+  const draftSelection = {
+    lateralModel: state.configuration.lateralModel,
+    longitudinalModel: state.configuration.longitudinalModel,
+  }
   state.chestnutReady = Boolean(payload?.chestnutReady)
   state.isOnroad = Boolean(payload?.isOnroad)
   state.configuration = {
     enabled: Boolean(payload?.configuration?.enabled),
-    lateralModel: String(payload?.configuration?.lateralModel || ""),
-    longitudinalModel: String(payload?.configuration?.longitudinalModel || ""),
+    lateralModel: selectionDirty
+      ? draftSelection.lateralModel
+      : String(payload?.configuration?.lateralModel || ""),
+    longitudinalModel: selectionDirty
+      ? draftSelection.longitudinalModel
+      : String(payload?.configuration?.longitudinalModel || ""),
   }
   state.runtime = payload?.runtime && typeof payload.runtime === "object" ? payload.runtime : {}
   state.download = payload?.download && typeof payload.download === "object" ? payload.download : {}
@@ -127,6 +136,7 @@ async function save(enabled) {
         longitudinalModel: state.configuration.longitudinalModel,
       }),
     })
+    selectionDirty = false
     applyPayload(payload)
     state.message = String(payload.message || "Model Laboratory configuration saved.")
   } catch (error) {
@@ -173,6 +183,7 @@ function bindControls() {
     if (lateral.dataset.bound !== "1") {
       lateral.dataset.bound = "1"
       lateral.addEventListener("change", event => {
+        selectionDirty = true
         state.configuration.lateralModel = event.target.value
         const long = modelById(state.configuration.longitudinalModel)
         const lat = modelById(event.target.value)
@@ -187,7 +198,10 @@ function bindControls() {
     longitudinal.value = state.configuration.longitudinalModel
     if (longitudinal.dataset.bound !== "1") {
       longitudinal.dataset.bound = "1"
-      longitudinal.addEventListener("change", event => { state.configuration.longitudinalModel = event.target.value })
+      longitudinal.addEventListener("change", event => {
+        selectionDirty = true
+        state.configuration.longitudinalModel = event.target.value
+      })
     }
   }
   if (enable && enable.dataset.bound !== "1") {

starpilot/system/the_galaxy/templates/index.html

@@ -51,7 +51,7 @@
   <link rel="stylesheet" href="/assets/components/tools/tsk_manager.css">
 
   <script type="module">
-    import("/assets/components/router.js?v=router-cycle-fix-6").catch((err) => {
+    import("/assets/components/router.js?v=router-cycle-fix-7").catch((err) => {
       console.error("[the_galaxy] bootstrap failed", err);
       const target = document.getElementById("app") || document.body;
       const pre = document.createElement("pre");

starpilot/system/the_galaxy/tests/test_frontend_module_graph.py

@@ -23,7 +23,7 @@ def test_router_and_settings_cache_bust_is_consistent():
   index = INDEX_PATH.read_text(encoding="utf-8")
 
   assert "/assets/components/settings.js?v=router-cycle-fix-5" in router
-  assert "/assets/components/router.js?v=router-cycle-fix-6" in index
+  assert "/assets/components/router.js?v=router-cycle-fix-7" in index
 
 
 def test_bluetooth_actions_use_reactive_disabled_bindings():
@@ -130,5 +130,10 @@ def test_model_laboratory_frontend_exposes_guards_and_role_copy():
   assert "Chestnut experiment" not in source
   assert "Manifest shortcomings" not in source
   assert "Opportunities" not in source
-  assert 'model_laboratory.js?v=model-lab-4' in ROUTER_PATH.read_text(encoding="utf-8")
+  assert "let selectionDirty = false" in source
+  assert "lateralModel: selectionDirty" in source
+  assert "longitudinalModel: selectionDirty" in source
+  assert source.count("selectionDirty = true") == 2
+  assert "selectionDirty = false\n    applyPayload(payload)" in source
+  assert 'model_laboratory.js?v=model-lab-5' in ROUTER_PATH.read_text(encoding="utf-8")
   assert 'model_laboratory.css?v=model-lab-4' in INDEX_PATH.read_text(encoding="utf-8")