feat: add knip configuration file and integrate knip for linting; update package.json and package-lock.json for new dependencies; refactor various interfaces to remove export modifiers; delete unused hover-card component

src/main/ai/orchestrator.ts

@@ -33,13 +33,13 @@ let currentSender: Electron.WebContents | undefined;
 // Types
 // ---------------------------------------------------------------------------
 
-export interface OrchestrateInput {
+interface OrchestrateInput {
   message: string;
   context: { type: 'global' | 'project'; projectId?: string; uiContext?: string };
   sender?: Electron.WebContents;
 }
 
-export interface OrchestrateResult {
+interface OrchestrateResult {
   response: string;
   error?: string;
 }