docs: add comprehensive project documentation and clean up snapshot-related files and components

src/app/editor/[id]/page.tsx

@@ -1,7 +1,7 @@
 "use client";
 
 import { useCallback, useEffect, useMemo, useRef, useState, type SetStateAction, type PointerEvent as ReactPointerEvent } from "react";
-import { useParams, useRouter, useSearchParams } from "next/navigation";
+import { useParams, useRouter } from "next/navigation";
 import Map from "@/uhm/components/Map";
 import Editor from "@/uhm/components/Editor";
 import BackgroundLayersPanel from "@/uhm/components/editor/BackgroundLayersPanel";
@@ -70,11 +70,8 @@ const DEFAULT_EDITOR_USER_ID = "local-editor";
 export default function Page() {
     const params = useParams();
     const router = useRouter();
-    const searchParams = useSearchParams();
     const projectId = String(params.id || "");
     const openedProjectIdRef = useRef<string | null>(null);
-    const autoOpenWiki = searchParams.get("only") === "wiki";
-    const wikiOnly = autoOpenWiki;
     const [blockedPendingSubmissionId, setBlockedPendingSubmissionId] = useState<string | null>(null);
     const [searchKind, setSearchKind] = useState<UnifiedSearchKind>("entity");
     const [searchQuery, setSearchQuery] = useState("");
@@ -423,8 +420,6 @@ export default function Page() {
         internalSetMode(m);
     }, [internalSetMode]);
 
-    const onSetMode = setMode;
-
     const effectiveGeometryVisibility = useMemo(() => {
         const visibility: Record<string, boolean> = { ...geometryVisibility };
 
@@ -1360,7 +1355,7 @@ export default function Page() {
                 </div>
             ) : null}
 
-            {!wikiOnly && !blockedPendingSubmissionId ? (
+            {!blockedPendingSubmissionId ? (
                 <div style={{ flex: 1, position: "relative", minHeight: "100vh" }}>
                     {isBackgroundVisibilityReady ? (
                         <Map
@@ -1397,10 +1392,7 @@ export default function Page() {
                         />
                     )}
                 </div>
-            ) : blockedPendingSubmissionId ? null : (
-                // Wiki-only mode: avoid mounting Map/Timeline (WebGL + geometry fetching) to reduce lag.
-                <div style={{ flex: 1, minHeight: "100vh", background: "#0b1220" }} />
-            )}
+            ) : null}
 
             {mode !== "replay" ? (
                 <>
@@ -1676,7 +1668,6 @@ export default function Page() {
                                     projectId={projectId}
                                     wikis={snapshotWikis}
                                     setWikis={setSnapshotWikisUndoable}
-                                    autoOpen={autoOpenWiki}
                                     requestedActiveId={requestedActiveWikiId}
                                 />
 
@@ -1686,7 +1677,7 @@ export default function Page() {
                                     links={snapshotEntityWikiLinks}
                                     setLinks={setSnapshotEntityWikiLinksUndoable}
                                 />
-                                {!wikiOnly && selectedFeature ? (
+                                {selectedFeature ? (
                                     <SelectedGeometryPanel
                                         selectedFeatures={selectedFeatures}
                                         entityTypeOptions={GEOMETRY_TYPE_OPTIONS}

src/app/user/projects/[id]/page.tsx

@@ -311,9 +311,6 @@ export default function ProjectDetailsPage() {
             <Button size="sm" variant="outline" onClick={() => router.push(`/editor/${id}`)}>
               Mo editor
             </Button>
-            <Button size="sm" variant="outline" onClick={() => router.push(`/editor/${id}?only=wiki`)}>
-              Editor only wiki
-            </Button>
           </div>
         </div>
       </div>

src/app/user/projects/page.tsx

@@ -380,21 +380,6 @@ export default function ProjectsPage() {
                             </span>
                           </div>
 
-                          <div className="relative group/btn3 inline-flex">
-                            <Button
-                              size="sm"
-                              variant="outline"
-                              className="!p-0 w-9 h-9 flex items-center justify-center"
-                              onClick={() => router.push(`/editor/${project.id}?only=wiki`)}
-                            >
-                              <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" strokeWidth={1.5} stroke="currentColor" className="w-4 h-4">
-                                <path strokeLinecap="round" strokeLinejoin="round" d="M12 6.042A8.967 8.967 0 006 3.75c-1.052 0-2.062.18-3 .512v14.25A8.987 8.987 0 016 18c2.305 0 4.408.867 6 2.292m0-14.25a8.966 8.966 0 016-2.292c1.052 0 2.062.18 3 .512v14.25A8.987 8.987 0 0018 18a8.967 8.967 0 00-6 2.292m0-14.25v14.25" />
-                              </svg>
-                            </Button>
-                            <span className="absolute -top-8 left-1/2 -translate-x-1/2 scale-0 rounded bg-gray-900 px-2 py-1 text-[11px] font-medium text-white opacity-0 transition-all group-hover/btn3:scale-100 group-hover/btn3:opacity-100 z-50 pointer-events-none whitespace-nowrap shadow-sm dark:bg-gray-700">
-                              Wiki Editor
-                            </span>
-                          </div>
                         </div>
                       </div>
                     ))}
@@ -491,4 +476,4 @@ export default function ProjectsPage() {
       </Modal>
     </div>
   );
-}
+}