Initialize theme with default value at module load time

Prevents undefined theme when extensions call ctx.ui.custom() in edge cases
where module resolution could cause the theme variable to be accessed before
initTheme() is called.

packages/ai/src/models.generated.ts

@@ -4359,23 +4359,6 @@ export const MODELS = {
 			contextWindow: 256000,
 			maxTokens: 128000,
 		} satisfies Model<"openai-completions">,
-		"kwaipilot/kat-coder-pro:free": {
-			id: "kwaipilot/kat-coder-pro:free",
-			name: "Kwaipilot: KAT-Coder-Pro V1 (free)",
-			api: "openai-completions",
-			provider: "openrouter",
-			baseUrl: "https://openrouter.ai/api/v1",
-			reasoning: false,
-			input: ["text"],
-			cost: {
-				input: 0,
-				output: 0,
-				cacheRead: 0,
-				cacheWrite: 0,
-			},
-			contextWindow: 256000,
-			maxTokens: 128000,
-		} satisfies Model<"openai-completions">,
 		"meta-llama/llama-3-70b-instruct": {
 			id: "meta-llama/llama-3-70b-instruct",
 			name: "Meta: Llama 3 70B Instruct",
@@ -4589,13 +4572,13 @@ export const MODELS = {
 			reasoning: true,
 			input: ["text"],
 			cost: {
-				input: 0.28,
-				output: 1.2,
-				cacheRead: 0.14,
+				input: 0.27,
+				output: 1.12,
+				cacheRead: 0,
 				cacheWrite: 0,
 			},
 			contextWindow: 196608,
-			maxTokens: 4096,
+			maxTokens: 65536,
 		} satisfies Model<"openai-completions">,
 		"mistralai/codestral-2508": {
 			id: "mistralai/codestral-2508",