Replace live_routes database table with in-memory routing table

- Remove live_routes table from SQL schema and all related indexes
- Create new internal/routingtable package with thread-safe RoutingTable
- Implement RouteKey-based indexing with secondary indexes for efficient lookups
- Add RoutingTableHandler to manage in-memory routes separately from database
- Update DatabaseHandler to only handle persistent database operations
- Wire up RoutingTable through fx dependency injection
- Update server to get live route count from routing table instead of database
- Remove LiveRoutes field from database.Stats struct
- Update tests to work with new architecture

internal/routewatch/app.go

@@ -11,6 +11,7 @@ import (
 
 	"git.eeqj.de/sneak/routewatch/internal/database"
 	"git.eeqj.de/sneak/routewatch/internal/metrics"
+	"git.eeqj.de/sneak/routewatch/internal/routingtable"
 	"git.eeqj.de/sneak/routewatch/internal/server"
 	"git.eeqj.de/sneak/routewatch/internal/streamer"
 
@@ -33,30 +34,33 @@ func NewConfig() Config {
 type Dependencies struct {
 	fx.In
 
-	DB       database.Store
-	Streamer *streamer.Streamer
-	Server   *server.Server
-	Logger   *slog.Logger
-	Config   Config `optional:"true"`
+	DB           database.Store
+	RoutingTable *routingtable.RoutingTable
+	Streamer     *streamer.Streamer
+	Server       *server.Server
+	Logger       *slog.Logger
+	Config       Config `optional:"true"`
 }
 
 // RouteWatch represents the main application instance
 type RouteWatch struct {
-	db         database.Store
-	streamer   *streamer.Streamer
-	server     *server.Server
-	logger     *slog.Logger
-	maxRuntime time.Duration
+	db           database.Store
+	routingTable *routingtable.RoutingTable
+	streamer     *streamer.Streamer
+	server       *server.Server
+	logger       *slog.Logger
+	maxRuntime   time.Duration
 }
 
 // New creates a new RouteWatch instance
 func New(deps Dependencies) *RouteWatch {
 	return &RouteWatch{
-		db:         deps.DB,
-		streamer:   deps.Streamer,
-		server:     deps.Server,
-		logger:     deps.Logger,
-		maxRuntime: deps.Config.MaxRuntime,
+		db:           deps.DB,
+		routingTable: deps.RoutingTable,
+		streamer:     deps.Streamer,
+		server:       deps.Server,
+		logger:       deps.Logger,
+		maxRuntime:   deps.Config.MaxRuntime,
 	}
 }
 
@@ -76,6 +80,10 @@ func (rw *RouteWatch) Run(ctx context.Context) error {
 	dbHandler := NewDatabaseHandler(rw.db, rw.logger)
 	rw.streamer.RegisterHandler(dbHandler)
 
+	// Register routing table handler to maintain in-memory routing table
+	rtHandler := NewRoutingTableHandler(rw.routingTable, rw.logger)
+	rw.streamer.RegisterHandler(rtHandler)
+
 	// Register peer tracking handler to track all peers
 	peerHandler := NewPeerHandler(rw.db, rw.logger)
 	rw.streamer.RegisterHandler(peerHandler)
@@ -154,8 +162,12 @@ func getModule() fx.Option {
 				},
 				fx.As(new(database.Store)),
 			),
+			routingtable.New,
 			streamer.New,
-			server.New,
+			fx.Annotate(
+				server.New,
+				fx.ParamTags(``, ``, ``, ``),
+			),
 			New,
 		),
 	)