diff --git a/src/components/MarkdownCodeEditor.tsx b/src/components/MarkdownCodeEditor.tsx
index d344e77..8fd59fa 100644
--- a/src/components/MarkdownCodeEditor.tsx
+++ b/src/components/MarkdownCodeEditor.tsx
@@ -1,4 +1,4 @@
-import { useEffect, useRef, useCallback, useState } from 'react';
+import { useEffect, useRef, useState } from 'react';
 import { EditorView, basicSetup } from 'codemirror';
 import { markdown } from '@codemirror/lang-markdown';
 import { languages } from '@codemirror/language-data';
@@ -24,12 +24,12 @@ interface Props {
 }
 
 export function MarkdownCodeEditor({
-  content, filePath, vaultPath, viewMode,
+  content, filePath: _filePath, vaultPath, viewMode,
   onContentChange, onSave, onCursorChange, onNavigateWikilink,
 }: Props) {
   const containerRef = useRef<HTMLDivElement>(null);
   const viewRef = useRef<EditorView | null>(null);
-  const saveTimeoutRef = useRef<ReturnType<typeof setTimeout>>();
+  const saveTimeoutRef = useRef<ReturnType<typeof setTimeout>>(null);
   const mdFileNamesRef = useRef<string[]>([]);
   const tagsRef = useRef<MdTagInfo[]>([]);
   const [previewContent, setPreviewContent] = useState(content);
@@ -112,19 +112,6 @@ export function MarkdownCodeEditor({
     }
   }, [content]);
 
-  const gotoLine = useCallback((line: number) => {
-    const view = viewRef.current;
-    if (!view) return;
-    const doc = view.state.doc;
-    const lineNum = Math.min(line, doc.lines);
-    const lineInfo = doc.line(lineNum);
-    view.dispatch({
-      selection: { anchor: lineInfo.from },
-      effects: EditorView.scrollIntoView(lineInfo.from, { y: 'center' }),
-    });
-    view.focus();
-  }, []);
-
   return (
     <div className={`md-editor-split ${viewMode === 'split' ? 'split-mode' : ''}`}>
       <div
diff --git a/src/components/MarkdownFileTree.tsx b/src/components/MarkdownFileTree.tsx
index 0d2aa89..9a9dc4e 100644
--- a/src/components/MarkdownFileTree.tsx
+++ b/src/components/MarkdownFileTree.tsx
@@ -56,7 +56,7 @@ export function MarkdownFileTree({ entries, selectedPath, gitFiles, onSelectFile
   );
 }
 
-function FileTreeItem({ entry, selectedPath, gitFiles, onSelectFile, onDelete, onRename, depth }: Props & { entry: MdFileEntry; depth: number }) {
+function FileTreeItem({ entry, selectedPath, gitFiles, onSelectFile, onDelete, onRename, depth }: Omit<Props, 'entries'> & { entry: MdFileEntry; depth: number }) {
   const [expanded, setExpanded] = useState(depth < 1);
   const [contextMenu, setContextMenu] = useState<{ x: number; y: number } | null>(null);
 
diff --git a/src/components/MarkdownSearchPanel.tsx b/src/components/MarkdownSearchPanel.tsx
index f8971dc..8cd05b5 100644
--- a/src/components/MarkdownSearchPanel.tsx
+++ b/src/components/MarkdownSearchPanel.tsx
@@ -1,6 +1,6 @@
 import { useState, useCallback, useRef, useEffect } from 'react';
 import { invoke } from '@tauri-apps/api/core';
-import { Search, Replace, CaseSensitive, X } from 'lucide-react';
+import { Search, Replace, CaseSensitive } from 'lucide-react';
 import type { MdSearchMatch } from './markdownTypes';
 
 interface Props {
@@ -17,7 +17,7 @@ export function MarkdownSearchPanel({ vaultPath, onNavigate }: Props) {
   const [searching, setSearching] = useState(false);
   const [selectedIndex, setSelectedIndex] = useState(-1);
   const inputRef = useRef<HTMLInputElement>(null);
-  const debounceRef = useRef<ReturnType<typeof setTimeout>>();
+  const debounceRef = useRef<ReturnType<typeof setTimeout>>(null);
 
   useEffect(() => {
     inputRef.current?.focus();
diff --git a/src/components/SourcePanel.tsx b/src/components/SourcePanel.tsx
index 98f17f4..d3e1fc8 100644
--- a/src/components/SourcePanel.tsx
+++ b/src/components/SourcePanel.tsx
@@ -391,12 +391,12 @@ export function SourcePanel({
   onAddSnippet,
   onDeleteSnippet,
   onCopySnippet,
-  clipEntries = [],
-  selectedClipId,
-  onSelectClip,
-  onPasteClip,
-  onDeleteClip,
-  onTogglePinClip,
+  clipEntries: _clipEntries = [],
+  selectedClipId: _selectedClipId,
+  onSelectClip: _onSelectClip,
+  onPasteClip: _onPasteClip,
+  onDeleteClip: _onDeleteClip,
+  onTogglePinClip: _onTogglePinClip,
 }: SourcePanelProps) {
   const { isPro, showUpgradeModal } = usePro();
   const [paletteOpen, setPaletteOpen] = useState(false);
diff --git a/src/components/SuperClipboard.tsx b/src/components/SuperClipboard.tsx
index 474aca2..a22fd2a 100644
--- a/src/components/SuperClipboard.tsx
+++ b/src/components/SuperClipboard.tsx
@@ -1,6 +1,5 @@
 import { useState, useCallback, useRef, useMemo, useEffect } from 'react';
 import type { ClipEntry } from './ClipboardHistoryList';
-import { getClipClickAction } from './ClipboardSettingsPanel';
 
 interface SuperClipboardProps {
   entries: ClipEntry[];
diff --git a/src/components/SuperMarkdown.tsx b/src/components/SuperMarkdown.tsx
index fc05def..b972a8b 100644
--- a/src/components/SuperMarkdown.tsx
+++ b/src/components/SuperMarkdown.tsx
@@ -14,7 +14,7 @@ interface Props {
   searchQuery?: string;
 }
 
-export function SuperMarkdown({ searchQuery }: Props) {
+export function SuperMarkdown({ searchQuery: _searchQuery }: Props) {
   // Vault state
   const [vaultPath, setVaultPath] = useState<string | null>(() => localStorage.getItem(VAULT_PATH_KEY));
   const [fileTree, setFileTree] = useState<MdFileEntry[]>([]);
diff --git a/src/components/SuperTranslate.tsx b/src/components/SuperTranslate.tsx
index 4dc57a8..a438b01 100644
--- a/src/components/SuperTranslate.tsx
+++ b/src/components/SuperTranslate.tsx
@@ -10,7 +10,7 @@ export function SuperTranslate() {
   const [targetLang, setTargetLang] = useState('fr');
   const [detectedLang, setDetectedLang] = useState('');
   const [isTranslating, setIsTranslating] = useState(false);
-  const debounceRef = useRef<ReturnType<typeof setTimeout>>();
+  const debounceRef = useRef<ReturnType<typeof setTimeout>>(null);
   const abortRef = useRef(0);
 
   const doTranslate = useCallback(async (text: string, sl: string, tl: string) => {
diff --git a/src/components/markdown-editor/live-preview.ts b/src/components/markdown-editor/live-preview.ts
index a081a0a..76ce6a6 100644
--- a/src/components/markdown-editor/live-preview.ts
+++ b/src/components/markdown-editor/live-preview.ts
@@ -5,7 +5,9 @@ import { RangeSet } from '@codemirror/state';
 import type { Range } from '@codemirror/state';
 
 class ImageWidget extends WidgetType {
-  constructor(readonly src: string, readonly alt: string) { super(); }
+  src: string;
+  alt: string;
+  constructor(src: string, alt: string) { super(); this.src = src; this.alt = alt; }
   toDOM(): HTMLElement {
     const wrapper = document.createElement('span');
     wrapper.className = 'cm-lp-image-wrapper';
diff --git a/src/hooks/useFeedStore.ts b/src/hooks/useFeedStore.ts
index 6b240a4..9e3908d 100644
--- a/src/hooks/useFeedStore.ts
+++ b/src/hooks/useFeedStore.ts
@@ -128,7 +128,7 @@ export interface FeedStore {
   addFeed: (url: string, name: string, source: FeedSource) => Promise<Feed>;
   removeFeed: (feedId: string) => void;
   renameFeed: (feedId: string, newName: string) => void;
-  syncFeed: (feedId: string) => Promise<void>;
+  syncFeed: (feedId: string) => Promise<{ feed: Feed; newItems: FeedItem[] } | null>;
   syncAll: () => Promise<void>;
   markAsRead: (itemId: string) => void;
   markAllAsRead: (feedId?: string) => void;