refactor: annotation presets (L5)

The 41 abilities return Annotations::read(), ::write(idempotent) or
::destructive(idempotent) instead of hand-written arrays (same arrays, same
key order).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7

src/Integrations/Media/MediaDeleteAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Abilities\Errors;
 use LIT\MCP\Abilities\FollowUp;
 use LIT\MCP\Abilities\ToolResult;
@@ -81,7 +82,7 @@ final class MediaDeleteAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => false, 'destructive' => true, 'idempotent' => false];
+        return Annotations::destructive(false);
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaDownloadAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Abilities\Errors;
 use LIT\MCP\Limits;
 use WP_Error;
@@ -60,7 +61,7 @@ final class MediaDownloadAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => true, 'destructive' => false, 'idempotent' => true];
+        return Annotations::read();
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaGetAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use WP_Error;
 
 final class MediaGetAbility implements Ability
@@ -56,7 +57,7 @@ final class MediaGetAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => true, 'destructive' => false, 'idempotent' => true];
+        return Annotations::read();
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaPreviewAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Abilities\Errors;
 use WP_Error;
 
@@ -61,7 +62,7 @@ final class MediaPreviewAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => true, 'destructive' => false, 'idempotent' => true];
+        return Annotations::read();
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaSearchAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Abilities\Cursor;
 use LIT\MCP\Abilities\Errors;
 use LIT\MCP\Integrations\WordPress\PostGuard;
@@ -81,7 +82,7 @@ final class MediaSearchAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => true, 'destructive' => false, 'idempotent' => true];
+        return Annotations::read();
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaUpdateAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Abilities\Errors;
 use LIT\MCP\Abilities\FollowUp;
 use LIT\MCP\Abilities\Rollback;
@@ -125,7 +126,7 @@ final class MediaUpdateAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => false, 'destructive' => false, 'idempotent' => true];
+        return Annotations::write(true);
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaUploadAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use LIT\MCP\Limits;
 use WP_Error;
 
@@ -69,7 +70,7 @@ final class MediaUploadAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => false, 'destructive' => false, 'idempotent' => false];
+        return Annotations::write(false);
     }
 
     public function isDirect(): bool

src/Integrations/Media/MediaUploadFromUrlAbility.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace LIT\MCP\Integrations\Media;
 
 use LIT\MCP\Abilities\Ability;
+use LIT\MCP\Abilities\Annotations;
 use WP_Error;
 
 /**
@@ -61,7 +62,7 @@ final class MediaUploadFromUrlAbility implements Ability
 
     public function annotations(): array
     {
-        return ['readonly' => false, 'destructive' => false, 'idempotent' => false];
+        return Annotations::write(false);
     }
 
     public function isDirect(): bool