chore: standardise, Justfile, (rename,, fix, parse, errors,, remove, useless, commands), fix, Ada, compilation, errors

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

Justfile

@@ -459,11 +459,6 @@ uninstall-tn:
     sudo mandb 2>/dev/null || true
     @echo "✅ Uninstalled"
 
-# [AUTO-GENERATED] Multi-arch / RISC-V target
-build-riscv:
-	@echo "Building for RISC-V..."
-	cross build --target riscv64gc-unknown-linux-gnu
-
 # 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"

src/main.adb

@@ -17,13 +17,19 @@ with Ada.Text_IO; use Ada.Text_IO;
 with Ada.Command_Line;
 with Ada.Environment_Variables;
 with Ada.Directories;
--- ... [other imports]
+with Config;
+with Navigator;
+with Bookmarks;
+with Tree_Printer;
 
 procedure Main is
    Cfg : Config.Configuration;
    Paths : Config.File_Paths;
    State : Navigator.Navigation_State;
    BM_Map : Bookmarks.Bookmark_Map;
+   Export_Mode : Boolean := False;
+   Export_Opts : Tree_Printer.Export_Options;
+   Stats : Tree_Printer.Tree_Statistics;
 
    -- CONFIGURATION: Sets up the standard paths for config and cache.
    procedure Initialize_Paths is