feat: implement editor panel functionality and integrate with existing components

- Added editor panel state management using Jotai atoms.
- Integrated editor panel into the right panel and documents sidebar.
- Updated DocumentsTableShell to open the editor panel on edit action.
- Enhanced NewChatPage to close the editor panel when navigating away.
- Improved context menu actions for document editing and deletion.

surfsense_web/atoms/editor/editor-panel.atom.ts

@@ -0,0 +1,57 @@
+import { atom } from "jotai";
+import { rightPanelCollapsedAtom, rightPanelTabAtom } from "@/atoms/layout/right-panel.atom";
+
+interface EditorPanelState {
+	isOpen: boolean;
+	documentId: number | null;
+	searchSpaceId: number | null;
+	title: string | null;
+}
+
+const initialState: EditorPanelState = {
+	isOpen: false,
+	documentId: null,
+	searchSpaceId: null,
+	title: null,
+};
+
+export const editorPanelAtom = atom<EditorPanelState>(initialState);
+
+export const editorPanelOpenAtom = atom((get) => get(editorPanelAtom).isOpen);
+
+const preEditorCollapsedAtom = atom<boolean | null>(null);
+
+export const openEditorPanelAtom = atom(
+	null,
+	(
+		get,
+		set,
+		{
+			documentId,
+			searchSpaceId,
+			title,
+		}: { documentId: number; searchSpaceId: number; title?: string }
+	) => {
+		if (!get(editorPanelAtom).isOpen) {
+			set(preEditorCollapsedAtom, get(rightPanelCollapsedAtom));
+		}
+		set(editorPanelAtom, {
+			isOpen: true,
+			documentId,
+			searchSpaceId,
+			title: title ?? null,
+		});
+		set(rightPanelTabAtom, "editor");
+		set(rightPanelCollapsedAtom, false);
+	}
+);
+
+export const closeEditorPanelAtom = atom(null, (get, set) => {
+	set(editorPanelAtom, initialState);
+	set(rightPanelTabAtom, "sources");
+	const prev = get(preEditorCollapsedAtom);
+	if (prev !== null) {
+		set(rightPanelCollapsedAtom, prev);
+		set(preEditorCollapsedAtom, null);
+	}
+});