refactor(generator): Simplify command options handling

- Moved command options filtering and mapping to a reusable method.
- Introduced `defaultHydratedOptions()` to encapsulate logic for non-empty options.
- Streamlined the command array creation in `GithubModelsCliGenerator`.

Author: ityaozm@gmail.com

app/Generators/Generator.php

@@ -108,4 +108,20 @@ protected function defaultRunningCallback(): callable
             Process::OUT === $type ? $this->output->write($data) : $this->output->write("<fg=red>$data</>");
         };
     }
+
+    /**
+     * @return list<string>
+     */
+    protected function defaultHydratedOptions(): array
+    {
+        return collect($this->config['options'] ?? [])
+            ->filter(static function ($value): bool {
+                return null !== $value && '' !== $value;
+            })
+            ->map(static function ($value, string $key): array {
+                return [$key, $value];
+            })
+            ->flatten()
+            ->all();
+    }
 }

app/Generators/GithubModelsCliGenerator.php

@@ -21,22 +21,10 @@ public function generate(string $prompt): string
         return resolve(
             Process::class,
             [
-                'command' => collect([
-                    $this->config['binary'],
-                    'models',
-                    'run',
-                    $this->config['model'],
-                    $prompt,
-                ])->merge(
-                    collect($this->config['options'])
-                        ->filter(static function ($value): bool {
-                            return null !== $value && '' !== $value;
-                        })
-                        ->map(static function ($value, string $key): array {
-                            return [$key, $value];
-                        })
-                        ->flatten()
-                )->all(),
+                'command' => array_merge(
+                    [$this->config['binary'], 'models', 'run', $this->config['model'], $prompt],
+                    $this->defaultHydratedOptions()
+                ),
             ] + $this->config['parameters']
         )->mustRun($this->defaultRunningCallback())->getOutput();
     }