chore: initial release

lib/core/models/model.dart

@@ -0,0 +1,93 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'model.freezed.dart';
+
+@freezed
+sealed class Model with _$Model {
+  const Model._();
+
+  const factory Model({
+    required String id,
+    required String name,
+    String? description,
+    @Default(false) bool isMultimodal,
+    @Default(false) bool supportsStreaming,
+    @Default(false) bool supportsRAG,
+    Map<String, dynamic>? capabilities,
+    Map<String, dynamic>? metadata,
+    List<String>? supportedParameters,
+  }) = _Model;
+
+  factory Model.fromJson(Map<String, dynamic> json) {
+    // Handle different response formats from OpenWebUI
+
+    // Extract architecture info for capabilities
+    final architecture = json['architecture'] as Map<String, dynamic>?;
+    final modality = architecture?['modality'] as String?;
+    final inputModalities = architecture?['input_modalities'] as List?;
+
+    // Determine if multimodal based on architecture
+    final isMultimodal =
+        modality?.contains('image') == true ||
+        inputModalities?.contains('image') == true;
+
+    // Extract supported parameters robustly (top-level or nested under provider keys)
+    List? supportedParams =
+        (json['supported_parameters'] as List?) ??
+        (json['supportedParameters'] as List?);
+
+    if (supportedParams == null) {
+      const providerKeys = [
+        'openai',
+        'anthropic',
+        'google',
+        'meta',
+        'mistral',
+        'cohere',
+        'xai',
+        'perplexity',
+        'deepseek',
+        'groq',
+      ];
+      for (final key in providerKeys) {
+        final provider = json[key] as Map<String, dynamic>?;
+        final list =
+            (provider?['supported_parameters'] as List?) ??
+            (provider?['supportedParameters'] as List?);
+        if (list != null) {
+          supportedParams = list;
+          break;
+        }
+      }
+    }
+
+    // Determine streaming support from supported parameters if known
+    final supportsStreaming = supportedParams?.contains('stream') ?? true;
+
+    // Convert supported parameters to List<String> if present
+    final supportedParamsList = supportedParams
+        ?.map((e) => e.toString())
+        .toList();
+
+    return Model(
+      id: json['id'] as String,
+      name: json['name'] as String,
+      description: json['description'] as String?,
+      isMultimodal: isMultimodal,
+      supportsStreaming: supportsStreaming,
+      supportsRAG: json['supportsRAG'] as bool? ?? false,
+      supportedParameters: supportedParamsList,
+      capabilities: {
+        'architecture': architecture,
+        'pricing': json['pricing'],
+        'context_length': json['context_length'],
+        'supported_parameters': supportedParamsList ?? supportedParams,
+      },
+      metadata: {
+        'canonical_slug': json['canonical_slug'],
+        'created': json['created'],
+        'connection_type': json['connection_type'],
+      },
+    );
+  }
+}