refactor(build): migrate build process to use TinyGo for WASM plugin

Makefile

@@ -1,8 +1,9 @@
-.PHONY: all init generate build build-wasm test test-cover lint fmt vet clean tidy help
+.PHONY: all generate build build-debug build-opt test test-cover test-plugin lint fmt vet clean tidy deps verify help
 
 MODULE := enclave
-BINARY := enclave
+BINARY := enclave.wasm
 BUILD_DIR := build
+TINYGO_FLAGS := -target=wasip1 -scheduler=none -gc=leaking
 
 all: generate build
 
@@ -11,11 +12,16 @@ generate:
 
 build:
 	@mkdir -p $(BUILD_DIR)
-	@go build -o $(BUILD_DIR)/$(BINARY) ./...
+	@tinygo build $(TINYGO_FLAGS) -o $(BUILD_DIR)/$(BINARY) .
 
-build-wasm:
+build-debug:
 	@mkdir -p $(BUILD_DIR)
-	@GOOS=js GOARCH=wasm go build -o $(BUILD_DIR)/$(BINARY).wasm ./...
+	@tinygo build $(TINYGO_FLAGS) -no-debug=false -o $(BUILD_DIR)/$(BINARY) .
+
+build-opt:
+	@mkdir -p $(BUILD_DIR)
+	@tinygo build $(TINYGO_FLAGS) -opt=2 -o $(BUILD_DIR)/$(BINARY) .
+	@wasm-opt -Os $(BUILD_DIR)/$(BINARY) -o $(BUILD_DIR)/$(BINARY)
 
 test:
 	@go test -v ./...
@@ -24,6 +30,9 @@ test-cover:
 	@go test -coverprofile=coverage.out ./...
 	@go tool cover -html=coverage.out -o coverage.html
 
+test-plugin:
+	@extism call $(BUILD_DIR)/$(BINARY) generate --input '{}' --wasi
+
 lint:
 	@golangci-lint run ./...
 
@@ -45,21 +54,30 @@ deps:
 	@go install github.com/sqlc-dev/sqlc/cmd/sqlc@latest
 	@go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
 	@go install mvdan.cc/gofumpt@latest
+	@echo "Install TinyGo: https://tinygo.org/getting-started/install/"
+	@echo "Install Extism CLI: https://extism.org/docs/install"
 
 verify: fmt vet lint test
 
 help:
-	@echo "Available targets:"
-	@echo "  init        - Initialize Go module"
+	@echo "Motr Enclave - Extism Plugin (TinyGo/wasip1)"
+	@echo ""
+	@echo "Build targets:"
+	@echo "  build       - Build WASM plugin with TinyGo"
+	@echo "  build-debug - Build with debug symbols"
+	@echo "  build-opt   - Build optimized (requires wasm-opt)"
+	@echo ""
+	@echo "Development targets:"
 	@echo "  generate    - Run sqlc to generate Go code"
-	@echo "  build       - Build binary"
-	@echo "  build-wasm  - Build WASM binary"
-	@echo "  test        - Run tests"
+	@echo "  test        - Run tests with Go"
 	@echo "  test-cover  - Run tests with coverage"
+	@echo "  test-plugin - Test plugin with Extism CLI"
 	@echo "  lint        - Run golangci-lint"
 	@echo "  fmt         - Format code"
 	@echo "  vet         - Run go vet"
+	@echo "  verify      - Run fmt, vet, lint, and test"
+	@echo ""
+	@echo "Utility targets:"
 	@echo "  clean       - Remove build artifacts"
 	@echo "  tidy        - Run go mod tidy"
 	@echo "  deps        - Install development dependencies"
-	@echo "  verify      - Run fmt, vet, lint, and test"