update makefile to support Windows and Jupyter (local)

Makefile

@@ -1,46 +1,109 @@
-COMPOSE ?= $(shell \
-	if command -v docker >/dev/null 2>&1; then \
-		echo "docker compose"; \
-	elif command -v podman >/dev/null 2>&1; then \
-		echo "podman compose"; \
-	else \
-		echo "docker compose"; \
-	fi)
+# Detect OS
+ifeq ($(OS),Windows_NT)
+    # Windows specific commands
+    SEP = \
+    MKDIR = if not exist $(subst /,\,$(1)) mkdir $(subst /,\,$(1))
+    CP = copy /Y
+    RM = del /f /q
+    RMDIR = rmdir /s /q
+    DETECT_DOCKER = $(shell where docker 2>nul)
+    DETECT_PODMAN = $(shell where podman 2>nul)
+else
+    SEP = /
+    MKDIR = mkdir -p
+    CP = cp
+    RM = rm -f
+    RMDIR = rm -rf
+    DETECT_DOCKER = $(shell command -v docker 2>/dev/null)
+    DETECT_PODMAN = $(shell command -v podman 2>/dev/null)
+endif
+
+# Helper function to create directory (Windows-friendly)
+define make_dir
+	$(call MKDIR,$(1))
+endef
+
+# Determine compose backend
+ifneq ($(DETECT_DOCKER),)
+    COMPOSE = docker compose
+    HAVE_COMPOSE = 1
+else ifneq ($(DETECT_PODMAN),)
+    COMPOSE = podman compose
+    HAVE_COMPOSE = 1
+else
+    COMPOSE = docker compose
+    HAVE_COMPOSE = 0
+endif
+
+# Local run command (fallback when no Docker/Podman)
+LOCAL_RUN_CMD = python -m jupyter notebook --port=8888 --ip=0.0.0.0 --no-browser --notebook-dir=./notebooks
 
 .PHONY: run run-build stop clean setup-local badges
 
 run:
+ifeq ($(HAVE_COMPOSE),1)
 	@echo "Using compose backend: $(COMPOSE)"
 	@echo "Pulling prebuilt image (if available)..."
-	@$(COMPOSE) pull || true
+	-@$(COMPOSE) pull
 	$(COMPOSE) up -d --no-build
 	@echo ""
-	@echo "🔥 TorchCode is running!"
+	@echo "🔥 TorchCode is running in containers!"
 	@echo "   Open http://localhost:8888"
 	@echo ""
+else
+	@echo "Docker/Podman not found, falling back to local mode."
+	@echo "Starting Jupyter Notebook locally..."
+	@echo "Make sure you have installed dependencies: pip install jupyter notebook"
+	@echo "If notebooks are not ready, run 'make setup-local' first."
+	@echo ""
+	$(LOCAL_RUN_CMD)
+endif
 
 run-build:
+ifeq ($(HAVE_COMPOSE),1)
 	@echo "Using compose backend: $(COMPOSE)"
 	$(COMPOSE) up --build -d
 	@echo ""
 	@echo "🔥 TorchCode is running (local build)!"
 	@echo "   Open http://localhost:8888"
 	@echo ""
+else
+	@echo "Docker/Podman not found, falling back to local mode."
+	@echo "Starting Jupyter Notebook locally..."
+	@echo "Make sure you have installed dependencies: pip install jupyter notebook"
+	@echo "If notebooks are not ready, run 'make setup-local' first."
+	@echo ""
+	$(LOCAL_RUN_CMD)
+endif
 
 stop:
+ifeq ($(HAVE_COMPOSE),1)
 	@echo "Using compose backend: $(COMPOSE)"
 	$(COMPOSE) down
+else
+	@echo "No container backend detected. Nothing to stop."
+	@echo "If you have a local notebook running, press Ctrl+C in its terminal to stop it."
+endif
 
 clean:
+ifeq ($(HAVE_COMPOSE),1)
 	@echo "Using compose backend: $(COMPOSE)"
 	$(COMPOSE) down -v
-	rm -f data/progress.json
+endif
+	-$(RM) data/progress.json
 
 setup-local:
+ifeq ($(OS),Windows_NT)
+	@if not exist "notebooks\_original_templates" mkdir "notebooks\_original_templates"
+	@for %%f in (templates\*.ipynb) do copy /Y "%%f" "notebooks\_original_templates\"
+	@for %%f in (templates\*.ipynb) do copy /Y "%%f" "notebooks\"
+	@for %%f in (solutions\*.ipynb) do copy /Y "%%f" "notebooks\"
+else
 	@mkdir -p notebooks/_original_templates
 	@cp templates/*.ipynb notebooks/_original_templates/
 	@cp templates/*.ipynb notebooks/
 	@cp solutions/*.ipynb notebooks/
+endif
 	@echo "✅ Local notebooks ready in ./notebooks/"
 
 badges: