feat(ai): Integrate OpenAI provider and enhance model config

- Add OpenAI provider implementation using @ai-sdk/openai.\n- Update `models` command/tool to display API key status for configured providers.\n- Implement model-specific `maxTokens` override logic in `config-manager.js` using `supported-models.json`.\n- Improve AI error message parsing in `ai-services-unified.js` for better clarity.

package-lock.json

@@ -13,7 +13,7 @@
 				"@ai-sdk/azure": "^1.3.17",
 				"@ai-sdk/google": "^1.2.13",
 				"@ai-sdk/mistral": "^1.2.7",
-				"@ai-sdk/openai": "^1.3.16",
+				"@ai-sdk/openai": "^1.3.20",
 				"@ai-sdk/perplexity": "^1.1.7",
 				"@ai-sdk/xai": "^1.2.13",
 				"@anthropic-ai/sdk": "^0.39.0",
@@ -90,6 +90,22 @@
 				"zod": "^3.0.0"
 			}
 		},
+		"node_modules/@ai-sdk/azure/node_modules/@ai-sdk/openai": {
+			"version": "1.3.16",
+			"resolved": "https://registry.npmjs.org/@ai-sdk/openai/-/openai-1.3.16.tgz",
+			"integrity": "sha512-pjtiBKt1GgaSKZryTbM3tqgoegJwgAUlp1+X5uN6T+VPnI4FLSymV65tyloWzDlyqZmi9HXnnSRPu76VoL5D5g==",
+			"license": "Apache-2.0",
+			"dependencies": {
+				"@ai-sdk/provider": "1.1.3",
+				"@ai-sdk/provider-utils": "2.2.7"
+			},
+			"engines": {
+				"node": ">=18"
+			},
+			"peerDependencies": {
+				"zod": "^3.0.0"
+			}
+		},
 		"node_modules/@ai-sdk/google": {
 			"version": "1.2.13",
 			"resolved": "https://registry.npmjs.org/@ai-sdk/google/-/google-1.2.13.tgz",
@@ -123,9 +139,9 @@
 			}
 		},
 		"node_modules/@ai-sdk/openai": {
-			"version": "1.3.16",
-			"resolved": "https://registry.npmjs.org/@ai-sdk/openai/-/openai-1.3.16.tgz",
-			"integrity": "sha512-pjtiBKt1GgaSKZryTbM3tqgoegJwgAUlp1+X5uN6T+VPnI4FLSymV65tyloWzDlyqZmi9HXnnSRPu76VoL5D5g==",
+			"version": "1.3.20",
+			"resolved": "https://registry.npmjs.org/@ai-sdk/openai/-/openai-1.3.20.tgz",
+			"integrity": "sha512-/DflUy7ROG9k6n6YTXMBFPbujBKnbGY58f3CwvicLvDar9nDAloVnUWd3LUoOxpSVnX8vtQ7ngxF52SLWO6RwQ==",
 			"license": "Apache-2.0",
 			"dependencies": {
 				"@ai-sdk/provider": "1.1.3",