feat: enhance billing dashboard with historical data & security hardening

- Fix usage tracking zero-value bug with self-healing logic
- Add month selector for historical usage views
- Implement start-of-month graceful initialization
- Merge PR #372: Harden user-scoped access in subscription routes
- Fix UI bugs in UsageDashboard component

backend/api/agents_api.py

@@ -555,7 +555,10 @@ async def get_agent_huddle_feed_endpoint(
     try:
         user_id = str(current_user.get("id"))
         service = AgentActivityService(db, user_id)
-        feed = service.get_huddle_feed(
+        
+        # Use run_in_threadpool to execute the blocking service call in a separate thread
+        feed = await run_in_threadpool(
+            service.get_huddle_feed,
             since=since,
             cursor=cursor,
             runs_limit=runs_limit,

backend/api/today_workflow.py

@@ -48,15 +48,19 @@ async def get_today_workflow(
     current_user: dict = Depends(get_current_user),
     db: Session = Depends(get_db),
 ) -> Dict[str, Any]:
+    from starlette.concurrency import run_in_threadpool
     user_id = str(current_user.get("id"))
     plan, created = await get_or_create_daily_workflow_plan(db, user_id, date=date)
 
-    tasks = (
-        db.query(DailyWorkflowTask)
-        .filter(DailyWorkflowTask.plan_id == plan.id, DailyWorkflowTask.user_id == user_id)
-        .order_by(DailyWorkflowTask.created_at.asc())
-        .all()
-    )
+    def _fetch_tasks():
+        return (
+            db.query(DailyWorkflowTask)
+            .filter(DailyWorkflowTask.plan_id == plan.id, DailyWorkflowTask.user_id == user_id)
+            .order_by(DailyWorkflowTask.created_at.asc())
+            .all()
+        )
+
+    tasks = await run_in_threadpool(_fetch_tasks)
 
     response_tasks = []
     for t in tasks:
@@ -100,18 +104,26 @@ async def get_today_workflow(
             from datetime import date as date_type, timedelta
 
             y_str = (date_type.fromisoformat(plan.date) - timedelta(days=1)).isoformat()
-            y_plan = (
-                db.query(DailyWorkflowPlan)
-                .filter(DailyWorkflowPlan.user_id == user_id, DailyWorkflowPlan.date == y_str)
-                .first()
-            )
-            if y_plan:
-                y_tasks = (
-                    db.query(DailyWorkflowTask)
-                    .filter(DailyWorkflowTask.plan_id == y_plan.id, DailyWorkflowTask.user_id == user_id)
-                    .order_by(DailyWorkflowTask.created_at.asc())
-                    .all()
+            
+            def _fetch_yesterday():
+                y_plan = (
+                    db.query(DailyWorkflowPlan)
+                    .filter(DailyWorkflowPlan.user_id == user_id, DailyWorkflowPlan.date == y_str)
+                    .first()
                 )
+                if y_plan:
+                    y_tasks = (
+                        db.query(DailyWorkflowTask)
+                        .filter(DailyWorkflowTask.plan_id == y_plan.id, DailyWorkflowTask.user_id == user_id)
+                        .order_by(DailyWorkflowTask.created_at.asc())
+                        .all()
+                    )
+                    return y_tasks
+                return []
+
+            y_tasks = await run_in_threadpool(_fetch_yesterday)
+            
+            if y_tasks:
                 y_response = []
                 for t in y_tasks:
                     y_response.append(

backend/services/llm_providers/huggingface_provider.py

@@ -158,25 +158,25 @@ def huggingface_text_response(
         if not api_key:
             raise Exception("HF_TOKEN not found in environment variables")
             
-        # Initialize Hugging Face client using Responses API
+        # Initialize Hugging Face client
         client = OpenAI(
-            base_url="https://router.huggingface.co/v1",
+            base_url=f"https://router.huggingface.co/hf/v1",
             api_key=api_key,
         )
         logger.info("✅ Hugging Face client initialized for text response")
 
         # Prepare input for the API
-        input_content = []
+        messages = []
         
         # Add system prompt if provided
         if system_prompt:
-            input_content.append({
+            messages.append({
                 "role": "system",
                 "content": system_prompt
             })
         
         # Add user prompt
-        input_content.append({
+        messages.append({
             "role": "user", 
             "content": prompt
         })
@@ -191,31 +191,23 @@ def huggingface_text_response(
             max_tokens,
         )
         
-        logger.info("🚀 Making Hugging Face API call...")
+        logger.info("🚀 Making Hugging Face API call (chat completion)...")
         
         # Add rate limiting to prevent expensive API calls
         import time
         time.sleep(1)  # 1 second delay between API calls
         
-        # Make the API call using Responses API
-        response = client.responses.parse(
+        # Make the API call using Chat Completions
+        response = client.chat.completions.create(
             model=model,
-            input=input_content,
+            messages=messages,
             temperature=temperature,
             top_p=top_p,
+            max_tokens=max_tokens
         )
         
         # Extract text from response
-        if hasattr(response, 'output_text') and response.output_text:
-            generated_text = response.output_text
-        elif hasattr(response, 'output') and response.output:
-            # Handle case where output is a list
-            if isinstance(response.output, list) and len(response.output) > 0:
-                generated_text = response.output[0].get('content', '')
-            else:
-                generated_text = str(response.output)
-        else:
-            generated_text = str(response)
+        generated_text = response.choices[0].message.content
         
         # Clean up the response
         if generated_text:
@@ -296,26 +288,28 @@ def huggingface_structured_json_response(
         if not api_key:
             raise Exception("HF_TOKEN not found in environment variables")
             
-        # Initialize Hugging Face client using Responses API
+        # Initialize OpenAI client with Hugging Face base URL
+        # Use standard Inference API endpoint
         client = OpenAI(
-            base_url="https://router.huggingface.co/v1",
+            base_url=f"https://router.huggingface.co/hf/v1",
             api_key=api_key,
         )
         logger.info("✅ Hugging Face client initialized for structured JSON response")
 
         # Prepare input for the API
-        input_content = []
+        messages = []
         
         # Add system prompt if provided
         if system_prompt:
-            input_content.append({
+            messages.append({
                 "role": "system",
                 "content": system_prompt
             })
         
         # Add user prompt with JSON instruction
+        # For HF models, explicit JSON instruction in prompt is often better than response_format
         json_instruction = "Please respond with valid JSON that matches the provided schema."
-        input_content.append({
+        messages.append({
             "role": "user", 
             "content": f"{prompt}\n\n{json_instruction}"
         })
@@ -332,52 +326,39 @@ def huggingface_structured_json_response(
         
         logger.info("🚀 Making Hugging Face structured API call...")
         
-        # Make the API call using Responses API with structured output
-        # Use simple text generation and parse JSON manually to avoid API format issues
-        logger.info("🚀 Making Hugging Face API call (text mode with JSON parsing)...")
+        # Make the API call using standard Chat Completions
+        logger.info("🚀 Making Hugging Face API call (chat completion)...")
         
-        # Add JSON instruction to the prompt
-        json_instruction = "\n\nPlease respond with valid JSON that matches this exact structure:\n" + json.dumps(schema, indent=2)
-        input_content[-1]["content"] = input_content[-1]["content"] + json_instruction
+        # Add JSON schema to prompt for guidance
+        json_schema_str = json.dumps(schema, indent=2)
+        messages[-1]["content"] += f"\n\nJSON Schema:\n{json_schema_str}"
         
         # Add rate limiting to prevent expensive API calls
         import time
         time.sleep(1)  # 1 second delay between API calls
         
-        response = client.responses.parse(
-            model=model,
-            input=input_content,
-            temperature=temperature
-        )
-        
-        # Extract structured data from response
-        if hasattr(response, 'output_parsed') and response.output_parsed:
-            # The new API returns parsed data directly (Pydantic model case)
-            logger.info("✅ Hugging Face structured JSON response parsed successfully")
-            # Convert Pydantic model to dict if needed
-            if hasattr(response.output_parsed, 'model_dump'):
-                return response.output_parsed.model_dump()
-            elif hasattr(response.output_parsed, 'dict'):
-                return response.output_parsed.dict()
-            else:
-                return response.output_parsed
-        elif hasattr(response, 'output_text') and response.output_text:
-            # Fallback to text parsing if output_parsed is not available
-            response_text = response.output_text
-            # Clean up the response text
-            response_text = re.sub(r'```json\n?', '', response_text)
-            response_text = re.sub(r'```\n?', '', response_text)
-            response_text = response_text.strip()
+        try:
+            response = client.chat.completions.create(
+                model=model,
+                messages=messages,
+                temperature=temperature,
+                max_tokens=max_tokens,
+                response_format={"type": "json_object"} # Try to enforce JSON mode if supported
+            )
             
-            # Fix common markdown artefacts that break JSON, e.g. lines starting with **"key":
-            #     **"narration": "text"
-            # becomes:
-            #     "narration": "text"
-            response_text = re.sub(r'^\s*\*\*(?=\s*")', '', response_text, flags=re.MULTILINE)
+            response_text = response.choices[0].message.content
+            
+            # Clean up response text if needed
+            response_text = response_text.strip()
+            if response_text.startswith("```json"):
+                response_text = response_text[7:]
+            if response_text.endswith("```"):
+                response_text = response_text[:-3]
+            response_text = response_text.strip()
             
             try:
                 parsed_json = json.loads(response_text)
-                logger.info("✅ Hugging Face structured JSON response parsed from text")
+                logger.info("✅ Hugging Face structured JSON response parsed successfully")
                 return parsed_json
             except json.JSONDecodeError as json_err:
                 logger.error(f"❌ JSON parsing failed: {json_err}")
@@ -393,20 +374,30 @@ def huggingface_structured_json_response(
                     except json.JSONDecodeError:
                         pass
                 
-                # If all else fails, return a structured error response
-                logger.error("❌ All JSON parsing attempts failed")
-                return {
-                    "error": "Failed to parse JSON response",
-                    "raw_response": response_text,
-                    "schema_expected": schema
-                }
-        else:
-            logger.error("❌ No valid response data found")
-            return {
-                "error": "No valid response data found",
-                "raw_response": str(response),
-                "schema_expected": schema
-            }
+                return {"error": "Failed to parse JSON response", "raw_response": response_text}
+                
+        except Exception as e:
+            logger.error(f"❌ Hugging Face API call failed: {e}")
+            # If 422 Unprocessable Entity (often due to response_format not supported), retry without it
+            if "422" in str(e) or "not supported" in str(e).lower():
+                logger.info("Retrying without response_format...")
+                response = client.chat.completions.create(
+                    model=model,
+                    messages=messages,
+                    temperature=temperature,
+                    max_tokens=max_tokens
+                )
+                response_text = response.choices[0].message.content
+                # ... (same parsing logic would apply, simplified here for brevity)
+                try:
+                    return json.loads(response_text)
+                except:
+                     # Regex fallback
+                    json_match = re.search(r'\{.*\}', response_text, re.DOTALL)
+                    if json_match:
+                         return json.loads(json_match.group())
+                    return {"error": "Failed to parse JSON response", "raw_response": response_text}
+            raise e
         
     except Exception as e:
         error_msg = str(e) if str(e) else repr(e)

backend/services/llm_providers/main_text_generation.py

@@ -54,7 +54,7 @@ def llm_text_gen(prompt: str, system_prompt: Optional[str] = None, json_struct:
             model = "gemini-2.0-flash-001"
         elif env_provider in ['hf_response_api', 'huggingface', 'hf']:
             gpt_provider = "huggingface"
-            model = "openai/gpt-oss-120b:groq"
+            model = "mistralai/Mistral-7B-Instruct-v0.3"
         
         # Default blog characteristics
         blog_tone = "Professional"
@@ -80,7 +80,7 @@ def llm_text_gen(prompt: str, system_prompt: Optional[str] = None, json_struct:
                 model = "gemini-2.0-flash-001"
             elif "huggingface" in available_providers:
                 gpt_provider = "huggingface"
-                model = "openai/gpt-oss-120b:groq"
+                model = "mistralai/Mistral-7B-Instruct-v0.3"
             else:
                 logger.error("[llm_text_gen] No API keys found for supported providers.")
                 raise RuntimeError("No LLM API keys configured. Configure GEMINI_API_KEY or HF_TOKEN to enable AI responses.")
@@ -93,7 +93,7 @@ def llm_text_gen(prompt: str, system_prompt: Optional[str] = None, json_struct:
                     model = "gemini-2.0-flash-001"
                 elif "huggingface" in available_providers:
                     gpt_provider = "huggingface"
-                    model = "openai/gpt-oss-120b:groq"
+                    model = "mistralai/Mistral-7B-Instruct-v0.3"
                 else:
                     raise RuntimeError("No supported providers available.")
             
@@ -303,7 +303,7 @@ def llm_text_gen(prompt: str, system_prompt: Optional[str] = None, json_struct:
                     elif fallback_provider == "huggingface":
                         provider_enum = APIProvider.MISTRAL
                         actual_provider_name = "huggingface"
-                        fallback_model = "openai/gpt-oss-120b:groq"
+                        fallback_model = "mistralai/Mistral-7B-Instruct-v0.3"
                     
                     if fallback_provider == "google":
                         if json_struct:
@@ -330,7 +330,7 @@ def llm_text_gen(prompt: str, system_prompt: Optional[str] = None, json_struct:
                             response_text = huggingface_structured_json_response(
                                 prompt=prompt,
                                 schema=json_struct,
-                                model="openai/gpt-oss-120b:groq",
+                                model="mistralai/Mistral-7B-Instruct-v0.3",
                                 temperature=temperature,
                                 max_tokens=max_tokens,
                                 system_prompt=system_instructions
@@ -338,7 +338,7 @@ def llm_text_gen(prompt: str, system_prompt: Optional[str] = None, json_struct:
                         else:
                             response_text = huggingface_text_response(
                                 prompt=prompt,
-                                model="openai/gpt-oss-120b:groq",
+                                model="mistralai/Mistral-7B-Instruct-v0.3",
                                 temperature=temperature,
                                 max_tokens=max_tokens,
                                 top_p=top_p,

backend/services/subscription/monitoring_middleware.py

@@ -477,14 +477,20 @@ async def get_lightweight_stats(user_id: str) -> Dict[str, Any]:
         
         # Optimized: Single query with conditional aggregation instead of two separate queries
         # This is much faster as it only scans the table once
-        stats = db.query(
-            func.count(APIRequest.id).label('total_requests'),
-            func.sum(
-                case((APIRequest.status_code >= 400, 1), else_=0)
-            ).label('total_errors')
-        ).filter(
-            APIRequest.timestamp >= five_minutes_ago
-        ).first()
+        # Use run_in_threadpool to avoid blocking the event loop with sync DB query
+        from starlette.concurrency import run_in_threadpool
+        
+        def _fetch_stats():
+            return db.query(
+                func.count(APIRequest.id).label('total_requests'),
+                func.sum(
+                    case((APIRequest.status_code >= 400, 1), else_=0)
+                ).label('total_errors')
+            ).filter(
+                APIRequest.timestamp >= five_minutes_ago
+            ).first()
+
+        stats = await run_in_threadpool(_fetch_stats)
         
         recent_requests = stats.total_requests or 0 if stats else 0
         recent_errors = int(stats.total_errors or 0) if stats else 0

backend/services/today_workflow_service.py

@@ -476,54 +476,65 @@ async def generate_agent_enhanced_plan(db: Session, user_id: str, date: str) ->
 
 
 async def get_or_create_daily_workflow_plan(db: Session, user_id: str, date: Optional[str] = None) -> tuple[DailyWorkflowPlan, bool]:
+    from starlette.concurrency import run_in_threadpool
+    
     date_str = date or _today_date_str()
-    existing = (
-        db.query(DailyWorkflowPlan)
-        .filter(DailyWorkflowPlan.user_id == user_id, DailyWorkflowPlan.date == date_str)
-        .first()
-    )
+    
+    def _get_existing():
+        return (
+            db.query(DailyWorkflowPlan)
+            .filter(DailyWorkflowPlan.user_id == user_id, DailyWorkflowPlan.date == date_str)
+            .first()
+        )
+    
+    existing = await run_in_threadpool(_get_existing)
+    
     if existing:
         return existing, False
 
     plan_data = await generate_agent_enhanced_plan(db, user_id, date_str)
     tasks = plan_data.get("tasks", [])
 
-    plan = DailyWorkflowPlan(
-        user_id=user_id,
-        date=date_str,
-        source="agent",
-        plan_json=plan_data,
-        created_at=datetime.utcnow(),
-        updated_at=datetime.utcnow(),
-    )
-    db.add(plan)
-    db.commit()
-    db.refresh(plan)
-
-    for t in tasks:
-        pillar_id = str(t.get("pillarId") or "").lower().strip()
-        if pillar_id not in PILLAR_IDS:
-            continue
-        task = DailyWorkflowTask(
-            plan_id=plan.id,
+    def _create_plan():
+        plan = DailyWorkflowPlan(
             user_id=user_id,
-            pillar_id=pillar_id,
-            title=str(t.get("title") or "Task").strip()[:255],
-            description=str(t.get("description") or "").strip(),
-            status=_coerce_status(t.get("status")),
-            priority=_coerce_priority(t.get("priority")),
-            estimated_time=int(t.get("estimatedTime") or 15),
-            action_type=str(t.get("actionType") or "navigate").strip()[:20],
-            action_url=str(t.get("actionUrl") or "").strip() or None,
-            enabled=bool(t.get("enabled", True)),
-            dependencies=t.get("dependencies") if isinstance(t.get("dependencies"), list) else None,
-            metadata_json=t.get("metadata") if isinstance(t.get("metadata"), dict) else None,
+            date=date_str,
+            source="agent",
+            plan_json=plan_data,
             created_at=datetime.utcnow(),
             updated_at=datetime.utcnow(),
         )
-        db.add(task)
-    db.commit()
-    db.refresh(plan)
+        db.add(plan)
+        db.commit()
+        db.refresh(plan)
+
+        for t in tasks:
+            pillar_id = str(t.get("pillarId") or "").lower().strip()
+            if pillar_id not in PILLAR_IDS:
+                continue
+            task = DailyWorkflowTask(
+                plan_id=plan.id,
+                user_id=user_id,
+                pillar_id=pillar_id,
+                title=str(t.get("title") or "Task").strip()[:255],
+                description=str(t.get("description") or "").strip(),
+                status=_coerce_status(t.get("status")),
+                priority=_coerce_priority(t.get("priority")),
+                estimated_time=int(t.get("estimatedTime") or 15),
+                action_type=str(t.get("actionType") or "navigate").strip()[:20],
+                action_url=str(t.get("actionUrl") or "").strip(),
+                dependencies=json.dumps(t.get("dependencies") or []),
+                metadata_json=t.get("metadata") or {},
+                enabled=bool(t.get("enabled", True)),
+                created_at=datetime.utcnow(),
+                updated_at=datetime.utcnow(),
+            )
+            db.add(task)
+        
+        db.commit()
+        return plan
+
+    plan = await run_in_threadpool(_create_plan)
     return plan, True
 
 

frontend/src/components/ContentPlanningDashboard/components/StrategyIntelligence/components/EnhancedStrategyActivationButton.tsx

@@ -61,13 +61,16 @@ const EnhancedStrategyActivationButton: React.FC<EnhancedStrategyActivationButto
 
   const handleSetupMonitoring = async (monitoringPlan: any) => {
     setIsLoading(true);
-    // try {
+    setActivationProgress(10);
+    
+    try {
       console.log('🎯 EnhancedStrategyActivationButton: handleSetupMonitoring called');
       
       // Get strategy ID
       const strategyId = strategyData?.id || 1;
       
       // Step 1: Generate monitoring plan if not provided
+      setActivationProgress(30);
       let finalMonitoringPlan = monitoringPlan;
       if (!finalMonitoringPlan) {
         console.log('🎯 Generating monitoring plan...');
@@ -85,6 +88,8 @@ const EnhancedStrategyActivationButton: React.FC<EnhancedStrategyActivationButto
         }
       }
       
+      setActivationProgress(60);
+      
       // Step 2: Activate strategy with monitoring plan
       console.log('🎯 Activating strategy with monitoring...');
       try {
@@ -98,19 +103,31 @@ const EnhancedStrategyActivationButton: React.FC<EnhancedStrategyActivationButto
       } catch (error) {
         console.warn('Could not activate strategy with monitoring:', error);
         // Continue with local activation only
-      } finally {
-        setIsLoading(false);
       }
       
+      setActivationProgress(80);
+      
       // Step 3: Call the local confirmation function
       console.log('🎯 EnhancedStrategyActivationButton: Calling onConfirmStrategy()');
       await onConfirmStrategy();
       console.log('🎯 EnhancedStrategyActivationButton: onConfirmStrategy() completed');
-    // } catch (error) {
-    //   setIsLoading(false);
-    //   console.error('Strategy activation failed:', error);
-    //   throw error;
-    // }
+      
+      setActivationProgress(100);
+      setIsSuccess(true);
+      setShowSuccessMessage(true);
+      
+      // Reset success state after a delay
+      setTimeout(() => {
+        setIsSuccess(false);
+      }, 3000);
+      
+    } catch (error) {
+      console.error('Strategy activation failed:', error);
+      // Optional: Show error message
+    } finally {
+      setIsLoading(false);
+      setActivationProgress(0);
+    }
   };
 
   /* const setupAnalyticsAndMonitoring = async (strategyId: number, monitoringPlan: any) => {
@@ -212,6 +229,8 @@ const EnhancedStrategyActivationButton: React.FC<EnhancedStrategyActivationButto
                   size={20} 
                   sx={{ color: 'white' }} 
                 />
+              ) : isSuccess ? (
+                <CheckIcon />
               ) : strategyConfirmed ? (
                 <AutoAwesomeIcon />
               ) : (
@@ -289,13 +308,24 @@ const EnhancedStrategyActivationButton: React.FC<EnhancedStrategyActivationButto
               ) : isSuccess ? (
                 <motion.div
                   key="success"
-                  initial={{ opacity: 0, scale: 0.8 }}
-                  animate={{ opacity: 1, scale: 1 }}
-                  transition={{ duration: 0.3 }}
+                  variants={successVariants}
+                  initial="initial"
+                  animate="animate"
+                  exit="exit"
                 >
-                  <Typography variant="button" sx={{ fontWeight: 600 }}>
-                    Strategy Activated! 🎉
-                  </Typography>
+                  <Box sx={{ display: 'flex', alignItems: 'center', gap: 1 }}>
+                    <CelebrationIcon />
+                    <Typography variant="button" sx={{ fontWeight: 600 }}>
+                      Strategy Activated!
+                    </Typography>
+                    <motion.span
+                      variants={confettiVariants}
+                      initial="initial"
+                      animate="animate"
+                    >
+                      🎉
+                    </motion.span>
+                  </Box>
                 </motion.div>
               ) : strategyConfirmed ? (
                 <motion.div

frontend/src/hooks/useAgentHuddleFeed.ts

@@ -85,17 +85,37 @@ export const useAgentHuddleFeed = (options?: { detailTier?: 'summary' | 'detaile
   useEffect(() => {
     stopRef.current = false;
     let pollingTimer: ReturnType<typeof setInterval> | null = null;
+    let backoffMs = BASE_BACKOFF_MS;
+
+    // If polling fails repeatedly, try to reconnect SSE
+    const handlePollingError = () => {
+       if (connectionMode === 'polling' && reconnectAttemptRef.current < 5) {
+         connect();
+       }
+    };
 
     const startPolling = () => {
       setConnectionMode('polling');
       if (pollingTimer) clearInterval(pollingTimer);
-      pollingTimer = setInterval(async () => {
+      
+      const poll = async () => {
+        if (document.hidden) return;
         try {
           await loadSnapshot(cursorRef.current);
-        } catch {
-          // no-op
+          backoffMs = BASE_BACKOFF_MS;
+        } catch (err: any) {
+          if (err?.response?.status === 429) {
+             // Exponential backoff for 429s
+             backoffMs = Math.min(backoffMs * 2, 60000);
+             clearInterval(pollingTimer!);
+             pollingTimer = setInterval(poll, backoffMs);
+          } else {
+             handlePollingError();
+          }
         }
-      }, 7000);
+      };
+
+      pollingTimer = setInterval(poll, 10000);
     };
 
     const connect = async () => {