chore: standardise, Justfile, (rename,, fix, parse, errors,, remove, useless, commands), remove, just, from, .tool-versions

Batch Justfile audit: standardised naming (lowercase→Justfile),
fixed parse errors, removed useless build-riscv from non-Rust repos,
added missing assail recipe, and fixed code quality issues.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

.tool-versions

@@ -5,8 +5,6 @@
 # Primary runtime
 deno 2.1.4
 
-# Build tools
-just 1.36.0
 zig 0.13.0
 
 # Language runtimes

Justfile

@@ -384,7 +384,18 @@ help:
     @echo ""
     @echo "For full list: just --list"
 
-# [AUTO-GENERATED] Multi-arch / RISC-V target
-build-riscv:
-	@echo "Building for RISC-V..."
-	cross build --target riscv64gc-unknown-linux-gnu
+# Run Rust CLI benchmarks
+bench:
+    @echo "Running benchmarks..."
+    cd impl/rust-cli && cargo bench --bench shell_benchmarks
+    @echo "✓ Benchmarks complete"
+
+# Run all benchmarks (including legacy)
+bench-all:
+    @echo "Running all benchmarks..."
+    cd impl/rust-cli && cargo bench
+    @echo "✓ All benchmarks complete"
+
+# Run panic-attacker pre-commit scan
+assail:
+    @command -v panic-attack >/dev/null 2>&1 && panic-attack assail . || echo "panic-attack not found — install from https://github.com/hyperpolymath/panic-attacker"