fix: reset loading flags on error in scriptGeneratorStore

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/store/scriptGeneratorStore.ts

@@ -65,38 +65,46 @@ export const useScriptGeneratorStore = create<ScriptGeneratorState>()((set, get)
 
   loadTemplates: async () => {
     set({ isLoadingTemplates: true })
-    const { activeCategoryId, categories, searchQuery } = get()
-    const category = categories.find(c => c.id === activeCategoryId)
-    const params: { category_slug?: string; search?: string } = {}
-    if (category) params.category_slug = category.slug
-    if (searchQuery) params.search = searchQuery
-    const templates = await scriptsApi.getTemplates(params)
-    set({ templates, isLoadingTemplates: false })
+    try {
+      const { activeCategoryId, categories, searchQuery } = get()
+      const category = categories.find(c => c.id === activeCategoryId)
+      const params: { category_slug?: string; search?: string } = {}
+      if (category) params.category_slug = category.slug
+      if (searchQuery) params.search = searchQuery
+      const templates = await scriptsApi.getTemplates(params)
+      set({ templates, isLoadingTemplates: false })
+    } catch {
+      set({ isLoadingTemplates: false })
+    }
   },
 
   selectTemplate: async (id: string) => {
     set({ isLoadingDetail: true })
-    const detail = await scriptsApi.getTemplateDetail(id)
-    // Populate paramValues from parameter defaults
-    const schema = detail.parameters_schema as ScriptParametersSchema
-    const parameters = schema?.parameters ?? []
-    const paramValues: Record<string, string> = {}
-    for (const param of parameters) {
-      const d = param.default
-      if (d === null || d === undefined) paramValues[param.key] = ''
-      else if (typeof d === 'boolean') paramValues[param.key] = d ? 'true' : 'false'
-      else paramValues[param.key] = String(d)
+    try {
+      const detail = await scriptsApi.getTemplateDetail(id)
+      // Populate paramValues from parameter defaults
+      const schema = detail.parameters_schema as ScriptParametersSchema
+      const parameters = schema?.parameters ?? []
+      const paramValues: Record<string, string> = {}
+      for (const param of parameters) {
+        const d = param.default
+        if (d === null || d === undefined) paramValues[param.key] = ''
+        else if (typeof d === 'boolean') paramValues[param.key] = d ? 'true' : 'false'
+        else paramValues[param.key] = String(d)
+      }
+      set({
+        selectedTemplate: detail,
+        paramValues,
+        formErrors: {},
+        generatedScript: null,
+        generationId: null,
+        generationWarnings: [],
+        generateError: null,
+        isLoadingDetail: false,
+      })
+    } catch {
+      set({ isLoadingDetail: false })
     }
-    set({
-      selectedTemplate: detail,
-      paramValues,
-      formErrors: {},
-      generatedScript: null,
-      generationId: null,
-      generationWarnings: [],
-      generateError: null,
-      isLoadingDetail: false,
-    })
   },
 
   setCategory: (id: string | null) => {