Refactor Journals UI and enhance CodeMirror editor

- Added formatting toolbar to journal entry editor with support for bold, italic, headers, and lists.
- Standardized iconography to Lucide across Journals module, removing legacy FontAwesome.
- Improved responsiveness and dark mode compatibility in layout and list views.
- Refactored CodeMirror component to support external control via editorView binding.
- Hardened security by removing unnecessary @html tags in journal names.

src/lib/ae_journals/ae_journals_editor_helpers.ts

@@ -0,0 +1,60 @@
+import type { EditorView } from '@codemirror/view';
+
+/**
+ * Wraps the current selection in CodeMirror with the given prefix and suffix.
+ */
+export function wrapSelection(view: EditorView, prefix: string, suffix: string = prefix) {
+    if (!view) return;
+    const { state, dispatch } = view;
+    const changes = state.changeByRange((range) => {
+        const selectedText = state.doc.sliceString(range.from, range.to);
+        return {
+            changes: [
+                { from: range.from, insert: prefix },
+                { from: range.to, insert: suffix }
+            ],
+            range: {
+                from: range.from + prefix.length,
+                to: range.to + prefix.length
+            }
+        };
+    });
+    dispatch(state.update(changes, { scrollIntoView: true, userEvent: 'input' }));
+    view.focus();
+}
+
+/**
+ * Inserts a prefix at the start of each line in the selection (e.g., for lists or blockquotes).
+ */
+export function toggleLinePrefix(view: EditorView, prefix: string) {
+    if (!view) return;
+    const { state, dispatch } = view;
+    const changes = state.changeByRange((range) => {
+        const lines = [];
+        for (let pos = range.from; pos <= range.to; ) {
+            const line = state.doc.lineAt(pos);
+            lines.push(line);
+            pos = line.to + 1;
+        }
+        
+        const isAlreadyPrefixed = lines.every(l => l.text.startsWith(prefix));
+        
+        const lineChanges = lines.map(l => {
+            if (isAlreadyPrefixed) {
+                return { from: l.from, to: l.from + prefix.length, insert: '' };
+            } else {
+                return { from: l.from, insert: prefix };
+            }
+        });
+
+        return {
+            changes: lineChanges,
+            range: {
+                from: range.from + (isAlreadyPrefixed ? -prefix.length : prefix.length),
+                to: range.to + (isAlreadyPrefixed ? -prefix.length * lines.length : prefix.length * lines.length)
+            }
+        };
+    });
+    dispatch(state.update(changes, { scrollIntoView: true, userEvent: 'input' }));
+    view.focus();
+}

src/lib/app_components/e_app_codemirror_v5.svelte

@@ -29,6 +29,7 @@
     let {
         content = 'test test test test',
         new_content = $bindable(''),
+        editorView = $bindable(), // Exposed for external control
         theme_mode = 'light',
         extensions = [],
         editable = true,