diff --git a/docs/content/index.md b/docs/content/index.md
index dc2682c..290de60 100644
--- a/docs/content/index.md
+++ b/docs/content/index.md
@@ -14,12 +14,12 @@ Go Platform is a modular, extensible platform designed to support multiple busin
 
 ## Documentation Structure
 
-### 📋 Overview
+### Overview
 - **[Requirements](requirements.md)**: High-level architectural principles and requirements
 - **[Implementation Plan](plan.md)**: Epic-based implementation plan with timelines
 - **[Playbook](playbook.md)**: Detailed implementation guide and best practices
 
-### 🏛️ Architecture
+### Architecture
 - **[Architecture Overview](architecture/architecture.md)**: System architecture with diagrams
 - **[Module Architecture](architecture/architecture-modules.md)**: Module system design and integration
 - **[Module Requirements](architecture/module-requirements.md)**: Detailed requirements for each module
@@ -31,7 +31,7 @@ Go Platform is a modular, extensible platform designed to support multiple busin
   - **[Operational Scenarios](architecture/operational-scenarios.md)**: Common operational flows and use cases
   - **[Data Flow Patterns](architecture/data-flow-patterns.md)**: How data flows through the system
 
-### 🏗️ Architecture Decision Records (ADRs)
+### Architecture Decision Records (ADRs)
 All architectural decisions are documented in [ADR records](adr/README.md), organized by implementation epic:
 - **Epic 0**: Project Setup & Foundation
 - **Epic 1**: Core Kernel & Infrastructure
@@ -41,7 +41,7 @@ All architectural decisions are documented in [ADR records](adr/README.md), orga
 - **Epic 6**: Observability & Production Readiness
 - **Epic 7**: Testing, Documentation & CI/CD
 
-### 📝 Implementation Tasks
+### Implementation Tasks
 Detailed task definitions for each epic are available in the [Stories section](stories/README.md):
 - **[Epic 0: Project Setup & Foundation](stories/epic0/README.md)** - [Implementation Summary](stories/epic0/SUMMARY.md)
 - **[Epic 1: Core Kernel & Infrastructure](stories/epic1/README.md)** - [Implementation Summary](stories/epic1/SUMMARY.md)
diff --git a/internal/metrics/metrics_test.go b/internal/metrics/metrics_test.go
index 30bcc9c..462d376 100644
--- a/internal/metrics/metrics_test.go
+++ b/internal/metrics/metrics_test.go
@@ -34,13 +34,10 @@ func TestNewMetrics(t *testing.T) {
 }
 
 func TestMetrics_HTTPMiddleware(t *testing.T) {
-	t.Parallel()
+	gin.SetMode(gin.TestMode)
 
 	metrics := NewMetrics()
 
-	// Set Gin to test mode
-	gin.SetMode(gin.TestMode)
-
 	router := gin.New()
 	router.Use(metrics.HTTPMiddleware())
 
@@ -63,12 +60,10 @@ func TestMetrics_HTTPMiddleware(t *testing.T) {
 }
 
 func TestMetrics_HTTPMiddleware_Error(t *testing.T) {
-	t.Parallel()
+	gin.SetMode(gin.TestMode)
 
 	metrics := NewMetrics()
 
-	gin.SetMode(gin.TestMode)
-
 	router := gin.New()
 	router.Use(metrics.HTTPMiddleware())
 
@@ -87,8 +82,6 @@ func TestMetrics_HTTPMiddleware_Error(t *testing.T) {
 }
 
 func TestMetrics_Handler(t *testing.T) {
-	t.Parallel()
-
 	metrics := NewMetrics()
 
 	handler := metrics.Handler()