Enhance sandbox functionality and MCP tools

This commit enhances the sandbox functionality by:
- Adding a new jj_log tool to retrieve commit history
- Refactoring sandbox tools into dedicated modules
- Improving project management with session-based active projects
- Updating Docker configuration to properly mount the sandbox volume
- Adding proper error handling and documentation for all tools
- Updating dependencies and configuration files

Makefile

@@ -4,7 +4,8 @@
 IMAGE_NAME = pmo_crazy_coder
 TAG = latest
 PORT = 7860
-DOCKER_RUN_COMMON = --rm -p $(PORT):$(PORT) -v ./bac_a_sable:/sandbox
+SANDBOX_VOLUME = "./bac_a_sable"
+DOCKER_RUN_COMMON = --rm -p $(PORT):$(PORT) -v $(SANDBOX_VOLUME):/sandbox
 FULL_IMAGE_NAME = $(IMAGE_NAME):$(TAG)
 
 all: run
@@ -21,12 +22,12 @@ stamp/build_PMOCrazyCoder: stampdir Dockerfile
 	@touch $@
 
 build: stamp/build_PMOCrazyCoder
-run: build
+run: build $(SANDBOX_VOLUME)
 	@echo Launching the PMOCrazyCoder MCP server
 	@docker run $(DOCKER_RUN_COMMON) \
 				$(FULL_IMAGE_NAME)
 
-debug: build
+debug: build $(SANDBOX_VOLUME)
 	@echo Launching the PMOCrazyCoder MCP server in debug mode
 	@docker run $(DOCKER_RUN_COMMON) \
 	     	   -it \