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-# Makefile Improvements
-
-This document lists the issues identified in the original Makefile and the improvements that were implemented.
-
-## Issues Fixed
-
-### 1. Hardcoded `.exe` extension on Unix
-**Problem**: `BINARY_NAME=lambda.exe` used a Windows extension on macOS/Linux systems.
-
-**Solution**: Changed to `BINARY_NAME=lambda` since Unix executables don't use extensions.
-
-**Commit**: `0d06fac` - fix: remove Windows .exe extension from binary name
-
----
-
-### 2. Redundant `chmod +x`
-**Problem**: The `chmod +x` command was unnecessary since `go build` already sets the executable bit.
-
-**Solution**: Removed the redundant `chmod +x ${BINARY_NAME}` line.
-
-**Commit**: `e0b0b92` - refactor: remove redundant chmod +x command
-
----
-
-### 3. Missing `.PHONY` declarations
-**Problem**: Without `.PHONY`, if files named `run`, `graph`, etc. existed, Make would skip those targets.
-
-**Solution**: Added `.PHONY: help it run profile explain graph clean` declaration.
-
-**Commit**: `e5ceeb2` - feat: add .PHONY declarations for all targets
-
----
-
-### 4. No `clean` target
-**Problem**: No standard way to remove build artifacts.
-
-**Solution**: Added `clean` target to remove binary, output files, and profile directory:
-```makefile
-clean:
-	rm -f ${BINARY_NAME} program.out
-	rm -rf profile/
-```
-
-**Commit**: `7927df4` - feat: add clean target to remove build artifacts
-
----
-
-### 5. Missing `help` or default target
-**Problem**: Running `make` with no arguments was unclear about available targets.
-
-**Solution**: Added `help` target documenting all available commands and their usage.
-
-**Commit**: `24fdc1c` - feat: add help target to document available commands
-
----
-
-### 6. Profile directory not created
-**Problem**: The `profile` and `explain` targets wrote to `profile/cpu.prof` but never created the directory, causing failures on first run.
-
-**Solution**: Added `mkdir -p profile` to both `profile` and `explain` targets.
-
-**Commit**: `bb48d07` - fix: ensure profile directory exists before writing
-
----
-
-### 7. No dependency check on `graph`
-**Problem**: The `graph` target assumed `profile/cpu.prof` exists but didn't depend on `profile`.
-
-**Solution**: Changed `graph:` to `graph: profile` to ensure profiling runs first.
-
-**Commit**: `3158c35` - fix: add profile dependency to graph target
-
----
-
-### 8. Verbose command prefixes
-**Problem**: Every command used `@` prefix individually to suppress output, cluttering the file.
-
-**Solution**: Added `.SILENT:` directive at the top and removed all `@` prefixes. Also moved `TEST` variable to top with other variables.
-
-**Commit**: `8f70bfb` - refactor: use .SILENT directive instead of @ prefixes
-
----
-
-## Additional Suggestions (Not Yet Implemented)
-
-### 9. Missing `lambda` binary in `.gitignore`
-**Issue**: The `.gitignore` has `*.exe` but not the actual `lambda` binary name. Since we removed the `.exe` extension, the binary won't be ignored.
-
-**Recommendation**: Add `lambda` to `.gitignore`:
-```
-# Build artifacts
-lambda
-```
-
----
-
-### 10. No explicit default target
-**Issue**: While `help` is currently the first target (and thus default), it's not explicitly declared.
-
-**Recommendation**: Add `.DEFAULT_GOAL = help` at the top for clarity:
-```makefile
-BINARY_NAME=lambda
-TEST=simple
-
-.DEFAULT_GOAL := help
-.SILENT:
-.PHONY: help it run profile explain graph clean
-```
-
----
-
-## Summary
-
-The Makefile has been significantly improved with better organization, proper dependency management, directory creation, helpful documentation, and cleaner syntax. The remaining suggestions are minor quality-of-life improvements that can be addressed as needed.