misc: improve timeout handling and warnings in skills (#211)

src/stores/skills.ts

@@ -142,7 +142,13 @@ export const useSkillsStore = create<SkillsState>((set, get) => ({
       set({ skills: combinedSkills, loading: false });
     } catch (error) {
       console.error('Failed to fetch skills:', error);
-      set({ loading: false });
+      let errorMsg = error instanceof Error ? error.message : String(error);
+      if (errorMsg.includes('Timeout')) {
+        errorMsg = 'timeoutError';
+      } else if (errorMsg.toLowerCase().includes('rate limit')) {
+        errorMsg = 'rateLimitError';
+      }
+      set({ loading: false, error: errorMsg });
     }
   },
 
@@ -153,6 +159,12 @@ export const useSkillsStore = create<SkillsState>((set, get) => ({
       if (result.success) {
         set({ searchResults: result.results || [] });
       } else {
+        if (result.error?.includes('Timeout')) {
+          throw new Error('searchTimeoutError');
+        }
+        if (result.error?.toLowerCase().includes('rate limit')) {
+          throw new Error('searchRateLimitError');
+        }
         throw new Error(result.error || 'Search failed');
       }
     } catch (error) {
@@ -167,6 +179,12 @@ export const useSkillsStore = create<SkillsState>((set, get) => ({
     try {
       const result = await window.electron.ipcRenderer.invoke('clawhub:install', { slug, version }) as { success: boolean; error?: string };
       if (!result.success) {
+        if (result.error?.includes('Timeout')) {
+          throw new Error('installTimeoutError');
+        }
+        if (result.error?.toLowerCase().includes('rate limit')) {
+          throw new Error('installRateLimitError');
+        }
         throw new Error(result.error || 'Install failed');
       }
       // Refresh skills after install