Add icon support for tools and improve analytics chart display

Update API, database schema, and frontend components to allow optional icons for tools, and adjust analytics chart rendering for better visibility.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 776963d0-f75d-42e2-a57b-cc36bdff8495
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: 0ad0b686-eebd-46d2-8314-67e9e874e224
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/0683fb79-a27c-485c-9333-5f4b288c4567/776963d0-f75d-42e2-a57b-cc36bdff8495/1p7jhzu
Replit-Helium-Checkpoint-Created: true

lib/api-client-react/src/generated/api.schemas.ts

@@ -16,6 +16,8 @@ export interface Tool {
   category: string;
   /** @nullable */
   websiteUrl?: string | null;
+  /** @nullable */
+  iconUrl?: string | null;
   features?: string[];
   tags?: string[];
   createdAt: string;
@@ -29,6 +31,8 @@ export interface ToolWithStats {
   category: string;
   /** @nullable */
   websiteUrl?: string | null;
+  /** @nullable */
+  iconUrl?: string | null;
   features?: string[];
   tags?: string[];
   createdAt: string;
@@ -50,6 +54,7 @@ export interface ToolInput {
   /** @minLength 1 */
   category: string;
   websiteUrl?: string;
+  iconUrl?: string;
   features?: string[];
   tags?: string[];
 }
@@ -60,6 +65,7 @@ export interface ToolUpdate {
   description?: string;
   category?: string;
   websiteUrl?: string;
+  iconUrl?: string;
   features?: string[];
   tags?: string[];
 }