refactor: replace any types with unknown for improved type safety

- Replace all any types with unknown in utils.ts and App.tsx
- Update ParsedCall interface, mapArgsToNamedParams, and safeStringifyToolResults
- Fix const usage in JSDoc parsing loop (type, namePart, description)
- Resolve all ESLint @typescript-eslint/no-explicit-any and prefer-const warnings

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

src/App.tsx

@@ -145,7 +145,7 @@ function renderMarkdown(text: string): string {
   return DOMPurify.sanitize(marked.parse(text) as string);
 }
 
-const safeStringifyToolResults = (results: any[]): string => {
+const safeStringifyToolResults = (results: unknown[]): string => {
   try {
     const stringified = JSON.stringify(results);
     const MAX_SIZE = 5 * 1024 * 1024;

src/utils.ts

@@ -1,7 +1,7 @@
 interface ParsedCall {
   name: string;
-  positionalArgs: any[];
-  keywordArgs: Record<string, any>;
+  positionalArgs: unknown[];
+  keywordArgs: Record<string, unknown>;
 }
 
 interface Schema {
@@ -14,7 +14,7 @@ interface Schema {
       {
         type: string;
         description: string;
-        default?: any;
+        default?: unknown;
       }
     >;
     required: string[];
@@ -110,8 +110,8 @@ export const parsePythonicCalls = (command: string): ParsedCall | null => {
 
   const [, name, argsStr] = callMatch;
   const args = parseArguments(argsStr);
-  const positionalArgs: any[] = [];
-  const keywordArgs: Record<string, any> = {};
+  const positionalArgs: unknown[] = [];
+  const keywordArgs: Record<string, unknown> = {};
 
   for (const arg of args) {
     const kwargMatch = arg.match(/^([a-zA-Z0-9_]+)\s*=\s*(.*)$/);
@@ -169,8 +169,8 @@ const extractJSDocParams = (
   for (const line of lines) {
     const paramMatch = line.match(paramRegex);
     if (paramMatch) {
-      let [, type, namePart, description] = paramMatch;
-      description = description || "";
+      const [, type, namePart] = paramMatch;
+      const description = paramMatch[3] || "";
       let isOptional = false;
       let name = namePart;
       let jsdocDefault: string | undefined = undefined;
@@ -340,10 +340,10 @@ export const extractToolCallContent = (content: string): string | null => {
  */
 export const mapArgsToNamedParams = (
   paramNames: string[],
-  positionalArgs: any[],
-  keywordArgs: Record<string, any>,
-): Record<string, any> => {
-  const namedParams: Record<string, any> = Object.create(null);
+  positionalArgs: unknown[],
+  keywordArgs: Record<string, unknown>,
+): Record<string, unknown> => {
+  const namedParams: Record<string, unknown> = Object.create(null);
   positionalArgs.forEach((arg, idx) => {
     if (idx < paramNames.length) {
       namedParams[paramNames[idx]] = arg;