first commit

Makefile

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+PROTOC := C:/Users/SSAFY/AppData/Local/Microsoft/WinGet/Packages/Google.Protobuf_Microsoft.Winget.Source_8wekyb3d8bbwe/bin/protoc.exe
+GOPATH_BIN := $(shell go env GOPATH)/bin
+
+.PHONY: build run proto proto-unity proto-all clean test testclient
+
+# Build the server binary.
+build:
+	go build -o bin/server.exe ./cmd/server
+
+# Run the server.
+run:
+	go run ./cmd/server -config config/config.yaml
+
+# Generate Go server code from protobuf.
+proto:
+	PATH="$(GOPATH_BIN):$(PATH)" $(PROTOC) \
+		--go_out=proto/gen/pb \
+		--go_opt=paths=source_relative \
+		--proto_path=proto \
+		proto/messages.proto
+
+# Generate C# Unity client code from protobuf.
+proto-unity:
+	$(PROTOC) \
+		--csharp_out=./unity/Assets/Scripts/Proto \
+		--proto_path=./proto \
+		proto/messages.proto
+
+# Generate both Go and C# at once.
+proto-all: proto proto-unity
+
+# Clean build artifacts.
+clean:
+	rm -rf bin/
+
+# Run tests.
+test:
+	go test ./... -v -race
+
+# Run with AOI disabled for comparison.
+run-no-aoi:
+	AOI_ENABLED=false go run ./cmd/server -config config/config.yaml
+
+# Run the WebSocket test client (server must be running).
+testclient:
+	go run ./cmd/testclient
+
+# Run test client with specific scenario (auth|move|combat|metrics|all).
+testclient-auth:
+	go run ./cmd/testclient -scenario auth
+
+testclient-combat:
+	go run ./cmd/testclient -scenario combat
+
+testclient-metrics:
+	go run ./cmd/testclient -scenario metrics
+
+# Load test: 10 clients for 15 seconds.
+loadtest:
+	go run ./cmd/testclient -clients 10 -duration 15s