mod makefile and install script for linux x86 - update 2

Makefile

@@ -45,7 +45,9 @@ help:
 	@echo "📦 Vendoring (for offline/air-gapped use):"
 	@echo "  make vendor-macos         - Build macOS ARM64 wheels (requires macOS native)"
 	@echo "  make vendor-linux         - Build Linux x86_64 wheels (Docker - any OS)"
-	@echo "  make vendor-all           - Build wheels for both platforms (macOS native + Docker)"
+	@echo "  make vendor-linux-dev     - Build Linux x86_64 dev wheels (includes pytest)"
+	@echo "  make vendor-all           - Build runtime wheels for both platforms"
+	@echo "  make vendor-all-dev       - Build runtime + dev wheels for all platforms"
 	@echo "  make verify-vendor        - Test offline installation from vendor/"
 	@echo ""
 	@echo "🔨 Binary Distribution:"
@@ -61,16 +63,18 @@ help:
 	@echo "  make clean-release        - Remove all release artifacts"
 	@echo ""
 	@echo "🛠️  Development workflow (works on macOS + Linux):"
+	@echo "  make install              - Create venv and install runtime dependencies"
+	@echo "  make install-offline      - Install runtime deps from vendor/ (offline)"
+	@echo "  make install-dev-offline  - Install runtime + dev deps from vendor/ (offline)"
+	@echo "  make test                 - Run test suite"
 	@echo "  make build-image          - Build Docker image (Python 3.12)"
 	@echo "  make wheels               - Build wheels into ./$(WHEELHOUSE)"
-	@echo "  make install              - Create venv and install dependencies"
-	@echo "  make test                 - Run test suite"
 	@echo "  make up                   - Start warm dev container"
 	@echo "  make shell                - Open shell in warm container"
 	@echo "  make down                 - Stop and remove dev container"
 	@echo ""
 	@echo "🧹 Cleanup:"
-	@echo "  make clean                - Remove venv, wheelhouse, vendor/"
+	@echo "  make clean                - Remove venv, wheelhouse (keeps vendor/)"
 	@echo "  make clean-vendor         - Remove vendor/ only"
 	@echo "  make clean-release        - Remove releases/ only"
 	@echo ""
@@ -80,14 +84,9 @@ help:
 	@echo "Platform notes:"
 	@echo "  • vendor-macos requires native macOS (uses .venv312 with ARM64 Python)"
 	@echo "  • vendor-linux works on any platform with Docker"
+	@echo "  • vendor-linux-dev includes pytest for offline development"
 	@echo "  • binary-linux works on any platform with Docker"
 	@echo "  • All other targets work on macOS and Linux"
-	@echo "🛠️  Development workflow (works on macOS + Linux):"
-	@echo "  make install-dev          - Create venv and install dev dependencies (includes pytest)"
-	@echo "  make install              - Create venv and install production dependencies only"
-	@echo "  make test                 - Run test suite (requires install-dev)"
-	@echo "  make test-all             - Install dev deps + run all tests"
-
 
 # ---------- Build reusable image ----------
 .PHONY: build-image
@@ -108,6 +107,26 @@ vendor-macos: requirements.txt
 	cd $(VENDOR_MACOS) && shasum -a 256 *.whl > SHA256SUMS
 	@echo "✓ macOS ARM64 wheels: $(VENDOR_MACOS)/"
 
+.PHONY: vendor-linux
+vendor-linux: requirements.txt
+	@echo "Building Linux x86_64 wheels (Docker)..."
+	mkdir -p $(VENDOR_LINUX)
+	docker run --rm \
+		--platform linux/amd64 \
+		-v "$$PWD":$(WORKDIR) \
+		-w $(WORKDIR) \
+		python:3.12-slim \
+		bash -c " \
+			set -e && \
+			apt-get update -qq && apt-get install -y -qq gcc g++ make libffi-dev && \
+			pip install --upgrade pip && \
+			pip download --dest $(VENDOR_LINUX) -r requirements.txt && \
+			pip wheel --wheel-dir $(VENDOR_LINUX) --no-deps $(VENDOR_LINUX)/*.tar.gz 2>/dev/null || true && \
+			rm -f $(VENDOR_LINUX)/*.tar.gz && \
+			cd $(VENDOR_LINUX) && sha256sum *.whl > SHA256SUMS \
+		"
+	@echo "✓ Linux x86_64 wheels: $(VENDOR_LINUX)/"
+
 .PHONY: vendor-linux-dev
 vendor-linux-dev: requirements-dev.txt
 	@echo "Building Linux x86_64 dev wheels (Docker)..."
@@ -128,24 +147,26 @@ vendor-linux-dev: requirements-dev.txt
 		"
 	@echo "✓ Linux x86_64 dev wheels: $(VENDOR_LINUX)-dev/"
 
-.PHONY: vendor-all-dev
-vendor-all-dev: vendor-linux vendor-linux-dev
-	@echo ""
-	@echo "✓ All platform wheels (runtime + dev):"
-	@echo "  Linux x86_64 (runtime): $(VENDOR_LINUX)/"
-	@echo "  Linux x86_64 (dev):     $(VENDOR_LINUX)-dev/"
-
-
-
 .PHONY: vendor-all
 vendor-all: vendor-macos vendor-linux
 	@echo ""
-	@echo "✓ All platforms vendored:"
+	@echo "✓ All platforms vendored (runtime only):"
 	@echo "  macOS ARM64:  $(VENDOR_MACOS)/  ($$(ls $(VENDOR_MACOS)/*.whl 2>/dev/null | wc -l | xargs) wheels)"
 	@echo "  Linux x86_64: $(VENDOR_LINUX)/  ($$(ls $(VENDOR_LINUX)/*.whl 2>/dev/null | wc -l | xargs) wheels)"
 	@echo ""
 	@echo "Commit with: git add vendor/ && git commit -m 'vendor: update wheels'"
 
+.PHONY: vendor-all-dev
+vendor-all-dev: vendor-linux vendor-linux-dev
+	@echo ""
+	@echo "✓ All platform wheels (runtime + dev):"
+	@echo "  Linux x86_64 (runtime): $(VENDOR_LINUX)/ ($$(ls $(VENDOR_LINUX)/*.whl 2>/dev/null | wc -l | xargs) wheels)"
+	@echo "  Linux x86_64 (dev):     $(VENDOR_LINUX)-dev/ ($$(ls $(VENDOR_LINUX)-dev/*.whl 2>/dev/null | wc -l | xargs) wheels)"
+	@echo ""
+	@echo "For macOS dev wheels, run on native macOS:"
+	@echo "  python3.12 -m venv .venv312 && source .venv312/bin/activate"
+	@echo "  pip download --dest vendor/macos-arm64-dev -r requirements-dev.txt"
+
 .PHONY: verify-vendor
 verify-vendor:
 	@echo "Testing offline installation from vendor/..."
@@ -159,7 +180,6 @@ verify-vendor:
 		python3.12 -m venv .venv-verify && \
 		source .venv-verify/bin/activate && \
 		pip install --no-index --find-links=vendor/$$PLATFORM -r requirements.txt && \
-		pytest -v tests/test_vectors.py && \
 		python src/pyhdwallet.py test && \
 		echo "" && \
 		echo "✅ Vendor installation verified!" && \
@@ -167,6 +187,17 @@ verify-vendor:
 		rm -rf .venv-verify \
 	'
 
+# ---------- Offline Installation ----------
+.PHONY: install-offline
+install-offline:
+	@echo "Installing from vendor/ (runtime only)..."
+	@./install_offline.sh
+
+.PHONY: install-dev-offline
+install-dev-offline:
+	@echo "Installing from vendor/ (dev mode with pytest)..."
+	@./install_offline.sh --dev
+
 # ---------- Binary Building ----------
 .PHONY: binary
 binary:
@@ -233,27 +264,6 @@ test:
 	pytest -v tests/test_vectors.py && \
 	python src/pyhdwallet.py test
 
-.PHONY: install-dev
-install-dev: requirements-dev.txt
-	@if [ ! -d "$(VENV_HOST)" ]; then \
-		echo "Creating venv: $(VENV_HOST)"; \
-		python3.12 -m venv $(VENV_HOST); \
-	fi
-	. $(VENV_HOST)/bin/activate && \
-	pip install --upgrade pip && \
-	pip install -r requirements-dev.txt && \
-	echo "✓ Development environment ready: $(VENV_HOST)" && \
-	echo "  Installed: production deps + pytest"
-
-.PHONY: test-all
-test-all: install-dev
-	@. $(VENV_HOST)/bin/activate && \
-	pytest -v tests/test_vectors.py && \
-	python src/pyhdwallet.py test && \
-	echo "" && \
-	echo "✅ All tests passed!"
-
-
 # ---------- Warm container lifecycle ----------
 .PHONY: up
 up: build-image
@@ -285,7 +295,6 @@ clean: down
 	find . -type d -name "*.egg-info" -exec rm -rf {} + 2>/dev/null || true
 	# NOTE: vendor/ is kept (use 'make clean-vendor' to remove)
 
-
 # ---------- Platform-Aware Operations ----------
 .PHONY: info
 info:
@@ -297,7 +306,7 @@ info:
 	@echo "  Docker:       $(shell docker --version 2>/dev/null || echo 'not found')"
 
 # ---------- Release Management ----------
-VERSION := $(shell grep 'VERSION = ' src/pyhdwallet.py | head -1 | sed 's/.*"\(.*\)".*/\1/' || echo "v1.1.0")
+VERSION := v1.1.0
 RELEASE_DIR := releases/$(VERSION)
 
 .PHONY: release-prep
@@ -350,8 +359,6 @@ release: release-checksums
 	@echo "  2. Tag: git tag -a $(VERSION) -m 'Release $(VERSION)'"
 	@echo "  3. Push: git push origin $(VERSION)"
 
-
-
 .PHONY: release-test
 release-test:
 	@echo "🧪 Testing release binaries..."