v1.1.0: Parser versioning, server info, auto-browser, section overviews

- Add parser versioning with Version() method and version display on main screen
- Add server model and serial number to Configuration tab and TXT export
- Add auto-browser opening on startup with --no-browser flag
- Add Restart and Exit buttons with graceful shutdown
- Add section overview stats (CPU, Power, Storage, GPU, Network)
- Change PCIe Link display to "x16 PCIe Gen4" format
- Add Location column to Serials section
- Extract BoardInfo from FRU and PlatformId from ThermalConfig

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/server/server.go

@@ -1,11 +1,13 @@
 package server
 
 import (
+	"context"
 	"embed"
 	"fmt"
 	"io/fs"
 	"net/http"
 	"sync"
+	"time"
 
 	"git.mchus.pro/mchus/logpile/internal/models"
 )
@@ -19,8 +21,9 @@ type Config struct {
 }
 
 type Server struct {
-	config Config
-	mux    *http.ServeMux
+	config     Config
+	mux        *http.ServeMux
+	httpServer *http.Server
 
 	mu             sync.RWMutex
 	result         *models.AnalysisResult
@@ -60,11 +63,25 @@ func (s *Server) setupRoutes() {
 	s.mux.HandleFunc("GET /api/export/json", s.handleExportJSON)
 	s.mux.HandleFunc("GET /api/export/txt", s.handleExportTXT)
 	s.mux.HandleFunc("DELETE /api/clear", s.handleClear)
+	s.mux.HandleFunc("POST /api/shutdown", s.handleShutdown)
 }
 
 func (s *Server) Run() error {
 	addr := fmt.Sprintf(":%d", s.config.Port)
-	return http.ListenAndServe(addr, s.mux)
+	s.httpServer = &http.Server{
+		Addr:    addr,
+		Handler: s.mux,
+	}
+	return s.httpServer.ListenAndServe()
+}
+
+// Shutdown gracefully shuts down the server
+func (s *Server) Shutdown() {
+	if s.httpServer != nil {
+		ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+		defer cancel()
+		s.httpServer.Shutdown(ctx)
+	}
 }
 
 // SetResult sets the analysis result (thread-safe)