```

Update coverage reports and add new validation utilities

Add comprehensive validation utilities for Ollama URL and model name
Add new API response types and client configuration interfaces
Add Logger utility for consistent logging
Add validation function for plugin settings
Add unit tests for validation functions
Update TypeScript configuration
Update coverage reports to reflect new code additions
```

src/types.ts

@@ -132,3 +132,125 @@ export interface ChatMessage {
   isStreaming?: boolean;
   tool_calls?: ToolCall[];
 }
+
+/**
+ * API Response Types
+ */
+
+export interface OllamaChatResponse {
+  model: string;
+  created_at: string;
+  message: {
+    role: 'assistant';
+    content: string;
+    tool_calls?: ToolCall[];
+  };
+  done: boolean;
+  total_duration?: number;
+  load_duration?: number;
+  prompt_eval_count?: number;
+  eval_count?: number;
+}
+
+export interface OllamaStreamResponse {
+  model: string;
+  created_at: string;
+  message: {
+    role: 'assistant';
+    content: string;
+    tool_calls?: ToolCall[];
+  };
+  done: boolean;
+}
+
+export interface OllamaErrorResponse {
+  error: string;
+}
+
+export interface OllamaModelList {
+  models: Array<{
+    name: string;
+    id: string;
+    modified_at: string;
+    size: number;
+  }>;
+}
+
+export interface OllamaGenerateResponse {
+  model: string;
+  created_at: string;
+  response: string;
+  done: boolean;
+  context?: number[];
+  total_duration?: number;
+  load_duration?: number;
+  prompt_eval_count?: number;
+  eval_count?: number;
+}
+
+export interface OllamaPullStatus {
+  status: string;
+  digest: string;
+  total_size: number;
+  completed_size: number;
+}
+
+export interface OllamaEmbeddingResponse {
+  embeddings: number[];
+  model: string;
+  total_duration?: number;
+  load_duration?: number;
+  prompt_eval_count?: number;
+  eval_count?: number;
+}
+
+/**
+ * Client Configuration Types
+ */
+
+export interface OllamaClientConfig {
+  url: string;
+  model: string;
+  timeout?: number;
+  maxRetries?: number;
+}
+
+export interface OllamaRequestOptions {
+  timeout?: number;
+  signal?: AbortSignal;
+}
+
+/**
+ * Streaming Types
+ */
+
+export interface StreamChunk {
+  content: string;
+  tool_calls?: ToolCall[];
+  done?: boolean;
+  error?: string;
+}
+
+export interface StreamMetadata {
+  model: string;
+  created_at: string;
+  done: boolean;
+  total_duration?: number;
+  load_duration?: number;
+}
+
+export interface ChatSession {
+  id: string;
+  messages: OllamaMessage[];
+  createdAt: number;
+  model: string;
+}
+
+export interface ToolDefinition {
+  type: 'function';
+  function: {
+    name: string;
+    description: string;
+    parameters: Record<string, any>;
+  };
+}