Update packages/contracts/src/model.ts

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: BunsDev

packages/contracts/src/model.ts

@@ -139,8 +139,8 @@ export const MODEL_SLUG_ALIASES_BY_PROVIDER: Record<ProviderKind, Record<string,
     "gpt-5.4": "gpt-5.4",
     "5.4-mini": "gpt-5.4-mini",
     "gpt-5.4-mini": "gpt-5.4-mini",
-    "claude-sonnet-4.5": "claude-sonnet-4.5",
-    "claude sonnet 4.5": "claude-sonnet-4.5",
+    "claude-sonnet-4.5": "claude-sonnet-4-5",
+    "claude sonnet 4.5": "claude-sonnet-4-5",
     "claude-sonnet-4-5": "claude-sonnet-4-5",
     "claude sonnet 4.6": "claude-sonnet-4-6",
     "claude-sonnet-4.6": "claude-sonnet-4-6",