fix: add missing Gemini25FlashLite and Gemini25FlashImage to LlmModelName match expressions

Post-merge fix: the new enum cases introduced on main were not handled
in maxContextTokens(), inputCostPer1M(), outputCostPer1M(), and
isImageGenerationModel(), causing PHPStan errors.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: C-Koelbl

src/LlmContentEditor/Domain/Enum/LlmModelName.php

@@ -21,8 +21,8 @@ public function maxContextTokens(): int
     {
         return match ($this) {
             self::Gpt52 => 128_000,
-            self::Gemini3ProPreview, self::Gemini3FlashPreview => 1_048_576,
-            self::GptImage1, self::Gemini3ProImagePreview => 0,
+            self::Gemini25FlashLite, self::Gemini3ProPreview, self::Gemini3FlashPreview => 1_048_576,
+            self::GptImage1, self::Gemini25FlashImage, self::Gemini3ProImagePreview => 0,
         };
     }
 
@@ -34,8 +34,10 @@ public function inputCostPer1M(): float
         return match ($this) {
             self::Gpt52                  => 1.75,
             self::Gemini3ProPreview      => 1.25,
+            self::Gemini25FlashLite      => 0.075,
             self::Gemini3FlashPreview    => 0.15,
             self::GptImage1              => 0.0, // image models have per-image pricing
+            self::Gemini25FlashImage     => 0.0,
             self::Gemini3ProImagePreview => 0.0,
         };
     }
@@ -48,8 +50,10 @@ public function outputCostPer1M(): float
         return match ($this) {
             self::Gpt52                  => 14.00,
             self::Gemini3ProPreview      => 10.00,
+            self::Gemini25FlashLite      => 0.30,
             self::Gemini3FlashPreview    => 0.60,
             self::GptImage1              => 0.0,
+            self::Gemini25FlashImage     => 0.0,
             self::Gemini3ProImagePreview => 0.0,
         };
     }
@@ -65,7 +69,7 @@ public static function defaultForContentEditor(): self
     public function isImageGenerationModel(): bool
     {
         return match ($this) {
-            self::GptImage1, self::Gemini3ProImagePreview => true,
+            self::GptImage1, self::Gemini25FlashImage, self::Gemini3ProImagePreview => true,
             default => false,
         };
     }