added token usage and cost to UI, cleanup

claudash/proxy-server.js

@@ -46,6 +46,7 @@ app.post('/api/claude', async (req, res) => {
 
     const data = await response.json();
     console.log('Claude API success, response content length:', data.content?.[0]?.text?.length);
+    console.log('Token usage:', data.usage);
     res.json(data);
   } catch (error) {
     console.error('Proxy error:', error);

claudash/src/components/Dashboard.jsx

@@ -16,6 +16,7 @@ function Dashboard({ themeToggle, isDark }) {
   const [sourceData, setSourceData] = useState({});
   const [error, setError] = useState(null);
   const [refreshing, setRefreshing] = useState(false);
+  const [tokenUsage, setTokenUsage] = useState(null);
 
   useEffect(() => {
     loadDashboard();
@@ -75,14 +76,24 @@ function Dashboard({ themeToggle, isDark }) {
 
         try {
           // Generate today's briefing with Claude
-          const newBriefing = await generateBriefing(data, previousBriefing);
-          console.log('Briefing generated, length:', newBriefing?.length);
-          setBriefing(newBriefing);
+          const result = await generateBriefing(data, previousBriefing);
+          console.log('Briefing generated');
+
+          // Handle result object with text and usage
+          if (result && typeof result === 'object' && result.text) {
+            setBriefing(result.text);
+            setTokenUsage(result.usage);
+            console.log('Token usage:', result.usage);
+          } else if (typeof result === 'string') {
+            // Fallback for string responses
+            setBriefing(result);
+          }
 
           // Save to localStorage
           const today = new Date().toISOString().split('T')[0];
           console.log('Saving briefing for:', today);
-          saveBriefing(today, newBriefing, data.sources);
+          const briefingText = result?.text || result;
+          saveBriefing(today, briefingText, data.sources);
         } catch (briefingError) {
           console.error('Failed to generate briefing:', briefingError);
           setBriefing(`Unable to generate AI briefing: ${briefingError.message}\n\nYou can still view the data widgets below.`);
@@ -161,6 +172,20 @@ function Dashboard({ themeToggle, isDark }) {
           </Alert>
         )}
 
+        {tokenUsage && (
+          <Box sx={{ mb: 2, p: 2, bgcolor: 'background.paper', borderRadius: 1, border: '1px solid', borderColor: 'divider' }}>
+            <Typography variant="body2" color="text.secondary">
+              <strong>API Usage:</strong> {tokenUsage.input_tokens?.toLocaleString()} input + {tokenUsage.output_tokens?.toLocaleString()} output = {(tokenUsage.input_tokens + tokenUsage.output_tokens).toLocaleString()} total tokens
+              {' • '}
+              <strong>Cost:</strong> ${((tokenUsage.input_tokens * 0.003 / 1000) + (tokenUsage.output_tokens * 0.015 / 1000)).toFixed(4)}
+              {' '}
+              <Typography component="span" variant="caption" color="text.disabled">
+                (Claude Sonnet 4 pricing: $0.003/1K input, $0.015/1K output)
+              </Typography>
+            </Typography>
+          </Box>
+        )}
+
         {/* Widget Grid - easily rearrangeable */}
         <Box sx={{
           display: 'flex',

claudash/src/services/claudeService.js

@@ -62,7 +62,12 @@ async function callClaude(prompt, messages = []) {
     const data = await response.json();
     console.log('Response data structure:', Object.keys(data));
     console.log('Response content:', data.content?.[0]?.text?.substring(0, 200) + '...');
-    return data.content[0].text;
+    console.log('Usage data:', data.usage);
+
+    return {
+      text: data.content[0].text,
+      usage: data.usage // { input_tokens, output_tokens }
+    };
   } catch (error) {
     console.error('Error calling Claude:', error);
     throw error;
@@ -129,8 +134,8 @@ export async function generateBriefing(currentData, previousBriefing) {
 
   try {
     const prompt = buildBriefingPrompt(currentData, previousBriefing);
-    const briefing = await callClaude(prompt);
-    return briefing;
+    const result = await callClaude(prompt);
+    return result; // Returns { text, usage }
   } catch (error) {
     console.error('Error generating briefing:', error);
 
@@ -168,8 +173,8 @@ export async function sendChatMessage(message, conversationHistory = []) {
   User's message: ${message}`;
 
   try {
-    const response = await callClaude(contextPrompt, messages);
-    return response;
+    const result = await callClaude(contextPrompt, messages);
+    return result.text; // For chat, just return text for now
   } catch (error) {
     console.error('Error in chat:', error);
     return `I apologize, but I encountered an error: ${error.message}. Please try again.`;