Standardize workspace: Capitalize Justfile references in scripts and docs

Author: hyperpolymath

CONTRIBUTING.md

@@ -42,7 +42,7 @@ befunge93-vault-cracker/
 ├── README.adoc
 ├── SECURITY.md
 ├── flake.nix            # Nix flake (Perimeter 1)
-└── justfile             # Task runner (Perimeter 1)
+└── Justfile             # Task runner (Perimeter 1)
 ```
 
 ---

EXPLAINME.adoc

@@ -40,7 +40,7 @@ How this is implemented::
 The component loads React via CDN (`<script src="https://unpkg.com/react/...">`)
 with no npm, no `node_modules`, no build step. The TEA model is: `model` holds
 `{ vault, log, telemetry }`, `update(msg, model)` returns a new model, and
-`view(model)` renders JSX. The `serve` justfile recipe starts a Deno static
+`view(model)` renders JSX. The `serve` Justfile recipe starts a Deno static
 file server — the only runtime dependency.
 
 Caveat::

README.adoc

@@ -87,7 +87,7 @@ befunge93-vault-cracker/
 │   └── CITATIONS.adoc           # Citation formats
 ├── .github/workflows/           # CI/CD workflows
 ├── .machine_readable/           # SCM metadata files
-├── justfile                     # Build commands
+├── Justfile                     # Build commands
 └── README.adoc                  # This file
 ----
 

RSR_OUTLINE.adoc

@@ -17,7 +17,7 @@ This repository provides the standardized structure, configuration, and tooling
 
 * Bootstrap new projects with RSR compliance
 * Reference the standard directory structure
-* Copy configuration templates (justfile, STATE.scm, etc.)
+* Copy configuration templates (Justfile, STATE.scm, etc.)
 
 == Quick Start
 
@@ -32,7 +32,7 @@ rm -rf .git
 git init
 
 # Customize
-sed -i 's/RSR-template-repo/my-project/g' justfile guix.scm README.adoc
+sed -i 's/RSR-template-repo/my-project/g' Justfile guix.scm README.adoc
 
 # Enter development environment
 guix shell -D -f guix.scm
@@ -83,7 +83,7 @@ just validate-rsr
 
 == Justfile Features
 
-The template justfile provides:
+The template Justfile provides:
 
 * **~10 billion recipe combinations** via matrix recipes
 * **Cookbook generation**: `just cookbook` → `docs/just-cookbook.adoc`
@@ -109,7 +109,7 @@ just ci             # Full CI pipeline
 
 just validate       # RSR + STATE validation
 just docs           # Generate all docs
-just cookbook       # Generate justfile docs
+just cookbook       # Generate Justfile docs
 
 just guix-shell     # Guix dev environment
 just container-build # Build container
@@ -133,7 +133,7 @@ project/
 │   ├── man/
 │   └── just-cookbook.adoc
 ├── guix.scm               # Guix package
-├── justfile               # Task runner
+├── Justfile               # Task runner
 ├── LICENSE.txt            # Dual license
 ├── README.adoc            # Overview
 ├── RSR_COMPLIANCE.adoc    # Compliance