Add comprehensive test coverage and update notes

tests/Unit/ConsoleCommandTest.php

@@ -0,0 +1,50 @@
+<?php
+
+use App\Models\Setting;
+use Illuminate\Support\Facades\Http;
+
+it('version bump fails when no version', function (): void {
+    Setting::where('key', 'version')->delete();
+    $exitCode = \Illuminate\Support\Facades\Artisan::call('version:bump');
+    expect($exitCode)->toBe(1);
+});
+
+it('version bump fails when invalid version', function (): void {
+    Setting::updateOrCreate(['key' => 'version'], ['value' => 'bad']);
+    $exitCode = \Illuminate\Support\Facades\Artisan::call('version:bump');
+    expect($exitCode)->toBe(1);
+});
+
+it('version set fails when invalid version', function (): void {
+    $exitCode = \Illuminate\Support\Facades\Artisan::call('version:set', ['version' => 'bad']);
+    expect($exitCode)->toBe(1);
+});
+
+it('version fetch fails when no version', function (): void {
+    Setting::where('key', 'version')->delete();
+    $exitCode = \Illuminate\Support\Facades\Artisan::call('version:fetch');
+    expect($exitCode)->toBe(1);
+});
+
+it('version release fails when missing config', function (): void {
+    Setting::updateOrCreate(['key' => 'version'], ['value' => '1.2.3']);
+    putenv('GITEA_TOKEN');
+    putenv('GITEA_OWNER');
+    putenv('GITEA_REPO');
+    $exitCode = \Illuminate\Support\Facades\Artisan::call('version:release');
+    expect($exitCode)->toBe(1);
+});
+
+it('version release handles create failure', function (): void {
+    Setting::updateOrCreate(['key' => 'version'], ['value' => '1.2.3']);
+    putenv('GITEA_TOKEN=token');
+    putenv('GITEA_OWNER=owner');
+    putenv('GITEA_REPO=repo');
+
+    Http::fake([
+        '*' => Http::response([], 500),
+    ]);
+
+    $exitCode = \Illuminate\Support\Facades\Artisan::call('version:release');
+    expect($exitCode)->toBe(1);
+});