chore: remove unused deps/types + clean knip config

client/src/components/features/mobile-layout.tsx

@@ -6,7 +6,7 @@ import clsx from "clsx";
 
 export type MobilePanel = "code" | "compile" | "serial" | "board" | null;
 
-export interface MobileLayoutProps {
+interface MobileLayoutProps {
   isMobile: boolean;
   mobilePanel: MobilePanel;
   setMobilePanel: React.Dispatch<React.SetStateAction<MobilePanel>>;

client/src/components/features/output-panel.tsx

@@ -9,9 +9,9 @@ import clsx from "clsx";
 import type { ParserMessage, IOPinRecord } from "@shared/schema";
 import type { DebugMessage } from "@/hooks/use-debug-console";
 
-export type OutputTab = "compiler" | "messages" | "registry" | "debug";
+type OutputTab = "compiler" | "messages" | "registry" | "debug";
 
-export interface OutputPanelProps {
+interface OutputPanelProps {
   /* State */
   activeOutputTab: OutputTab;
   showCompilationOutput: boolean;

client/src/components/ui/button.tsx

@@ -34,7 +34,7 @@ const buttonVariants = cva(
   },
 );
 
-export interface ButtonProps
+interface ButtonProps
   extends
     React.ButtonHTMLAttributes<HTMLButtonElement>,
     VariantProps<typeof buttonVariants> {

client/src/components/ui/input-group.tsx

@@ -3,7 +3,7 @@ import { cn } from "@/lib/utils";
 import { SendHorizontal } from "lucide-react";
 import { Button } from "@/components/ui/button";
 
-export interface InputGroupProps extends React.InputHTMLAttributes<HTMLInputElement> {
+interface InputGroupProps extends React.InputHTMLAttributes<HTMLInputElement> {
   onSubmit?: () => void;
   inputTestId?: string;
   buttonTestId?: string;

client/src/hooks/use-compilation.ts

@@ -3,11 +3,8 @@ import { useRef, useEffect } from "react";
 import type { MutableRefObject } from "react";
 import type { SetState } from "./use-compile-and-run";
 
-// original alias kept for compatibility (rare external refs)
-export type UseCompileAndRunParams = CompileAndRunParams;
-
 // compilation-only parameters (simulation inputs are injected with no-ops)
-export type UseCompilationParams = Omit<
+type UseCompilationParams = Omit<
   CompileAndRunParams,
   |
     "serialEventQueueRef"

client/src/hooks/use-compile-and-run.ts

@@ -1,7 +1,7 @@
 import { useCallback, useRef, useState } from "react";
 
 // Local copy of the structured error type returned from backend
-export interface CompilationError {
+interface CompilationError {
   file: string;
   line: number;
   column: number;
@@ -16,13 +16,13 @@ import type { IOPinRecord, ParserMessage } from "@shared/schema";
 import { useSimulationLifecycle } from "./use-simulation-lifecycle";
 
 // status types
-export type CompilationStatus = "ready" | "compiling" | "success" | "error";
+type CompilationStatus = "ready" | "compiling" | "success" | "error";
 
 const logger = new Logger("useCompileAndRun");
 
 // reused helpers from previous hooks
-export type SimulationStatus = "running" | "stopped" | "paused";
-export type CliStatus = "idle" | "compiling" | "success" | "error";
+type SimulationStatus = "running" | "stopped" | "paused";
+type CliStatus = "idle" | "compiling" | "success" | "error";
 
 export type SetState<T> = (value: T | ((prev: T) => T)) => void;
 
@@ -69,7 +69,7 @@ export type CompileAndRunParams = {
   startSimulationRef?: MutableRefObject<(() => void) | null>;
 };
 
-export interface UseCompileAndRunResult {
+interface UseCompileAndRunResult {
   /* compilation state & helpers */
   compilationStatus: CompilationStatus;
   setCompilationStatus: SetState<CompilationStatus>;

client/src/hooks/use-editor-commands.ts

@@ -2,14 +2,14 @@ import { useCallback } from "react";
 import type { RefObject } from "react";
 import type { ToastFn } from "@/hooks/use-toast";
 
-export interface EditorCommandsOptions {
+interface EditorCommandsOptions {
   toast?: ToastFn;
   suppressAutoStopOnce?: () => void;
   code?: string;
   setCode?: React.Dispatch<React.SetStateAction<string>>;
 }
 
-export interface EditorCommandsAPI {
+interface EditorCommandsAPI {
   undo: () => void;
   redo: () => void;
   find: () => void;

client/src/hooks/use-file-manager.ts

@@ -1,8 +1,8 @@
 import { useRef, useCallback, useState } from "react";
 
-export type FileEntry = { name: string; content: string };
+type FileEntry = { name: string; content: string };
 
-export interface UseFileManagerOptions {
+interface UseFileManagerOptions {
   tabs?: Array<{ name: string; content: string }>;
   onFilesLoaded?: (files: FileEntry[], replaceAll: boolean) => void;
   toast?: (params: { title: string; description?: string; variant?: string }) => void;

client/src/hooks/use-pin-state.ts

@@ -1,6 +1,6 @@
 import { useState, useEffect, useCallback } from "react";
 
-export interface UsePinStateParams {
+interface UsePinStateParams {
   resetPinStates: () => void;
 }
 

client/src/hooks/use-simulation-lifecycle.ts

@@ -1,6 +1,6 @@
 import { useEffect, useRef, useCallback } from "react";
 
-export interface UseSimulationLifecycleOptions {
+interface UseSimulationLifecycleOptions {
   code: string;
   simulationStatus: string;
   setSimulationStatus: (s: any) => void;

client/src/hooks/use-simulation.ts

@@ -2,18 +2,14 @@ import { useRef } from "react";
 import { useSimulationControls, UseSimulationControlsParams, SimulationStatus } from "./use-simulation-controls";
 import { useSimulationLifecycle } from "./use-simulation-lifecycle";
 
-// re-export types so callers (including tests) can reference them easily
-export type {
-  SimulationStatus,
-  DebugMessageParams,
-} from "./use-simulation-controls";
+// re-export types removed (unused exports per knip)
 
 // The hook accepts the same parameters as `useSimulationControls` plus a few
 // extras that are required by the lifecycle automation.  A parent may also
 // provide an optional `startSimulationRef` so it can invoke the start action
 // before the hook itself is instantiated (used by the page when wiring up
 // the compilation hook).
-export type UseSimulationParams = UseSimulationControlsParams & {
+type UseSimulationParams = UseSimulationControlsParams & {
   startSimulationRef?: React.MutableRefObject<(() => void) | null>;
   // forwarded to lifecycle hook
   code: string;
@@ -24,7 +20,7 @@ export type UseSimulationParams = UseSimulationControlsParams & {
   hasCompilationErrors?: boolean;
 };
 
-export interface UseSimulationResult {
+interface UseSimulationResult {
   // state values (mirrors useSimulationControls)
   simulationStatus: SimulationStatus;
   setSimulationStatus: React.Dispatch<React.SetStateAction<SimulationStatus>>;

client/src/hooks/use-sketch-analysis.ts

@@ -1,8 +1,8 @@
 import { useMemo } from "react";
 
-export type PinMode = "INPUT" | "OUTPUT" | "INPUT_PULLUP";
+type PinMode = "INPUT" | "OUTPUT" | "INPUT_PULLUP";
 
-export interface SketchAnalysisResult {
+interface SketchAnalysisResult {
   analogPins: number[]; // concrete Arduino pin numbers (A0 -> 14)
   varMap: Record<string, number>;
   detectedPinModes: Record<number, PinMode>;

client/src/hooks/use-sketch-tabs.ts

@@ -1,6 +1,6 @@
 import { useState, useCallback } from "react";
 
-export interface SketchTab {
+interface SketchTab {
   id: string;
   name: string;
   content: string;

client/src/lib/compilation-error-state.ts

@@ -1,6 +1,4 @@
-export type OutputTab = "compiler" | "messages" | "registry" | "debug";
-
-export interface GccCompilationErrorState {
+interface GccCompilationErrorState {
   cliOutput: string;
   hasCompilationErrors: true;
   lastCompilationResult: "error";

client/src/lib/websocket-manager.ts

@@ -22,7 +22,7 @@ const logger = new Logger("WebSocketManager");
 export type ConnectionState = "connecting" | "connected" | "disconnected" | "reconnecting";
 
 // Event types emitted by the manager
-export interface WSManagerEvents {
+interface WSManagerEvents {
   stateChange: (state: ConnectionState) => void;
   message: (data: WSMessage) => void;
   error: (error: string) => void;

knip.json

@@ -1,6 +1 @@
-{
-  "ignore": [
-    "server/services/workers/compile-worker.ts",
-    "tests/MockFactory.ts"
-  ]
-}
+{}