Standardize workspace: Capitalize Justfile references in scripts and docs

Author: hyperpolymath

PROJECT_SUMMARY.md

@@ -546,7 +546,7 @@ heterogenous-mobile-computing/
 │   ├── ai.txt              # AI training policy
 │   └── humans.txt          # Team info
 ├── Cargo.toml              # Rust package config
-├── justfile                # Task automation (40+ recipes)
+├── Justfile                # Task automation (40+ recipes)
 ├── flake.nix               # Nix reproducible builds
 ├── .gitlab-ci.yml          # CI/CD pipeline
 ├── .gitignore              # Git ignore rules

docs/compliance-checklist.md

@@ -263,7 +263,7 @@ cargo build --release
 # 6. Documentation
 cargo doc --no-deps
 
-# 7. Full validation (using justfile)
+# 7. Full validation (using Justfile)
 just validate
 
 # 8. RSR compliance report