chore: fix format and clippy

crates/vapora-backend/src/services/provider_analytics_service.rs

@@ -200,11 +200,9 @@ impl ProviderAnalyticsService {
                 }
                 task_count += 1;
 
-                if let Some(outcome) = obj.get("outcome").and_then(|v| v.as_str()) {
-                    if outcome == "success" {
+                if matches!(obj.get("outcome").and_then(|v| v.as_str()), Some("success")) {
                     successful_count += 1;
                 }
-                }
 
                 if let Some(duration) = obj.get("duration_ms").and_then(|v| v.as_u64()) {
                     total_duration_ms += duration;
@@ -235,6 +233,7 @@ impl ProviderAnalyticsService {
     }
 
     /// Get cost forecast for a provider
+    #[allow(clippy::excessive_nesting)]
     pub async fn forecast_provider_costs(
         &self,
         provider: &str,
@@ -271,14 +270,12 @@ impl ProviderAnalyticsService {
 
             if let Some(executed_at) = obj.get("executed_at").and_then(|v| v.as_str()) {
                 let date_str = executed_at.split('T').next().unwrap_or("").to_string();
-
-                if let Some(ref last_date) = last_date_str {
+                if let Some(ref last_date) = &last_date_str {
                     if last_date != &date_str && current_day_cost > 0 {
                         daily_costs.push(current_day_cost);
                         current_day_cost = 0;
                     }
                 }
-
                 last_date_str = Some(date_str);
             }
 

crates/vapora-backend/src/workflow/parser.rs

@@ -9,7 +9,7 @@ use thiserror::Error;
 use crate::workflow::state::{Phase, StepStatus, Workflow, WorkflowStep};
 
 #[derive(Debug, Error)]
-#[allow(dead_code)]
+#[allow(dead_code, clippy::enum_variant_names)]
 pub enum ParserError {
     #[error("Failed to read file: {0}")]
     FileError(#[from] std::io::Error),

crates/vapora-backend/src/workflow/scheduler.rs

@@ -24,6 +24,7 @@ pub struct Scheduler;
 impl Scheduler {
     /// Resolve dependencies using topological sort (Kahn's algorithm)
     /// Returns levels of steps that can be executed in parallel
+    #[allow(clippy::excessive_nesting)]
     pub fn resolve_dependencies(
         steps: &[WorkflowStep],
     ) -> Result<Vec<Vec<String>>, SchedulerError> {