feat: browser graph
This commit is contained in:
@@ -113,6 +113,33 @@ export async function restartNode(): Promise<void> {
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if (!res.ok) throw new Error(await res.text());
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}
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// ---------------------------------------------------------------------------
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// Browse — network node discovery + remote pages
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// ---------------------------------------------------------------------------
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export interface NetworkNode {
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hash: string;
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name: string;
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last_seen: number;
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is_self: boolean;
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}
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export async function fetchBrowseNodes(): Promise<NetworkNode[]> {
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const res = await fetch("/api/browse/nodes");
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const data = await res.json();
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return Array.isArray(data) ? data : [];
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}
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export async function fetchRemotePage(
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hash: string,
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path: string = "index.mu",
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): Promise<{ content: string | null; error?: string }> {
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const res = await fetch(
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`/api/browse/page/${hash}?path=${encodeURIComponent(path)}`,
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);
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return res.json();
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}
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// ---------------------------------------------------------------------------
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// Images
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// ---------------------------------------------------------------------------
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@@ -150,7 +150,7 @@ export default function AppShell({ children }: { children: ReactNode }) {
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{!isEditor && (
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<div
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className="absolute z-20"
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style={{ top: 200, left: -210 }}
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style={{ top: 150, left: -210 }}
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>
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<NavMenu theme={theme} onToggleTheme={toggleTheme} />
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</div>
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@@ -1,7 +1,398 @@
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import { useCallback, useEffect, useMemo, useRef, useState } from "react";
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import { Graph } from "@cosmos.gl/graph";
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import { fetchBrowseNodes, fetchRemotePage, type NetworkNode } from "@/api/client";
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import { renderMicron } from "@/components/editor/micronRenderer";
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// ---------------------------------------------------------------------------
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// Theme color maps — hex values matching index.css OKLCH definitions
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// ---------------------------------------------------------------------------
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interface ThemeColors {
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primary: string;
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muted: string;
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border: string;
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}
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const THEME_COLORS: Record<string, ThemeColors> = {
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dark: { // .dark (terra)
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primary: "#c47a32",
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muted: "#8a7560",
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border: "#6b5a42",
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},
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azure: { // .theme-azure
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primary: "#5aa0d4",
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muted: "#6d8a9e",
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border: "#4a6e88",
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},
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};
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function getThemeId(): string {
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const cl = document.documentElement.classList;
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if (cl.contains("theme-azure")) return "azure";
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return "dark";
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}
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function hexToRgba255(hex: string): [number, number, number, number] {
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return [
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parseInt(hex.slice(1, 3), 16),
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parseInt(hex.slice(3, 5), 16),
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parseInt(hex.slice(5, 7), 16),
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255,
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];
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}
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// ---------------------------------------------------------------------------
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// Data builders — convert NetworkNode[] to Float32Arrays for cosmos.gl
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// ---------------------------------------------------------------------------
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function buildBuffers(nodes: NetworkNode[], colors: ThemeColors) {
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const sorted = [...nodes].sort((a, b) => (a.is_self ? -1 : b.is_self ? 1 : 0));
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const n = sorted.length;
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const positions = new Float32Array(n * 2);
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const pointColors = new Float32Array(n * 4);
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const sizes = new Float32Array(n);
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const primaryRgba = hexToRgba255(colors.primary);
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const mutedRgba = hexToRgba255(colors.muted);
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for (let i = 0; i < n; i++) {
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if (sorted[i].is_self) {
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positions[i * 2] = 0;
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positions[i * 2 + 1] = 0;
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} else {
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const angle = ((i - 1) / Math.max(1, n - 1)) * Math.PI * 2;
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positions[i * 2] = Math.cos(angle) * 100;
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positions[i * 2 + 1] = Math.sin(angle) * 100;
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}
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const rgba = sorted[i].is_self ? primaryRgba : mutedRgba;
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pointColors[i * 4] = rgba[0];
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pointColors[i * 4 + 1] = rgba[1];
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pointColors[i * 4 + 2] = rgba[2];
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pointColors[i * 4 + 3] = rgba[3];
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sizes[i] = sorted[i].is_self ? 14 : 7;
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}
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const linkCount = Math.max(0, n - 1);
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const links = new Float32Array(linkCount * 2);
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const borderRgba = hexToRgba255(colors.border);
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const linkColors = new Float32Array(linkCount * 4);
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for (let i = 0; i < linkCount; i++) {
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links[i * 2] = 0;
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links[i * 2 + 1] = i + 1;
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linkColors[i * 4] = borderRgba[0];
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linkColors[i * 4 + 1] = borderRgba[1];
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linkColors[i * 4 + 2] = borderRgba[2];
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linkColors[i * 4 + 3] = 180;
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}
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return { sorted, positions, pointColors, sizes, links, linkColors };
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}
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/** Re-apply theme colors to an existing graph instance */
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function applyThemeToGraph(graph: Graph, nodes: NetworkNode[], colors: ThemeColors) {
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graph.setConfig({
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pointDefaultColor: colors.primary,
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linkDefaultColor: colors.border,
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hoveredPointRingColor: colors.primary,
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});
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const n = nodes.length;
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if (n === 0) return;
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const pointColors = new Float32Array(n * 4);
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const primaryRgba = hexToRgba255(colors.primary);
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const mutedRgba = hexToRgba255(colors.muted);
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for (let i = 0; i < n; i++) {
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const rgba = nodes[i].is_self ? primaryRgba : mutedRgba;
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pointColors[i * 4] = rgba[0];
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pointColors[i * 4 + 1] = rgba[1];
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pointColors[i * 4 + 2] = rgba[2];
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pointColors[i * 4 + 3] = rgba[3];
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}
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graph.setPointColors(pointColors);
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const linkCount = Math.max(0, n - 1);
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if (linkCount > 0) {
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const borderRgba = hexToRgba255(colors.border);
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const linkColors = new Float32Array(linkCount * 4);
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for (let i = 0; i < linkCount; i++) {
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linkColors[i * 4] = borderRgba[0];
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linkColors[i * 4 + 1] = borderRgba[1];
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linkColors[i * 4 + 2] = borderRgba[2];
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linkColors[i * 4 + 3] = 180;
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}
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graph.setLinkColors(linkColors);
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}
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graph.render();
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}
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// ---------------------------------------------------------------------------
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// Component
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// ---------------------------------------------------------------------------
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export default function BrowseView() {
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const [nodes, setNodes] = useState<NetworkNode[]>([]);
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const [filter, setFilter] = useState("");
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const [selectedNode, setSelectedNode] = useState<NetworkNode | null>(null);
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const [pageHtml, setPageHtml] = useState<string | null>(null);
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const [pageLoading, setPageLoading] = useState(false);
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const [pageError, setPageError] = useState<string | null>(null);
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const [labelPositions, setLabelPositions] = useState<{ x: number; y: number }[]>([]);
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const [themeId, setThemeId] = useState(getThemeId);
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const containerRef = useRef<HTMLDivElement>(null);
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const graphRef = useRef<Graph | null>(null);
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const nodesRef = useRef<NetworkNode[]>([]);
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const pollRef = useRef<ReturnType<typeof setInterval> | null>(null);
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const rafRef = useRef(0);
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const colors = THEME_COLORS[themeId] ?? THEME_COLORS.dark;
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const filteredNodes = useMemo(() => {
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if (!filter) return nodes;
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const q = filter.toLowerCase();
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return nodes.filter(
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(n) => n.name.toLowerCase().includes(q) || n.hash.toLowerCase().includes(q),
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);
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}, [nodes, filter]);
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// ── Watch for theme changes ──
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useEffect(() => {
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const observer = new MutationObserver(() => {
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const id = getThemeId();
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setThemeId(id);
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const graph = graphRef.current;
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if (graph) {
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applyThemeToGraph(graph, nodesRef.current, THEME_COLORS[id] ?? THEME_COLORS.dark);
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}
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});
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observer.observe(document.documentElement, { attributes: true, attributeFilter: ["class"] });
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return () => observer.disconnect();
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}, []);
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// ── Initialize cosmos.gl graph ──
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useEffect(() => {
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if (!containerRef.current) return;
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const graph = new Graph(containerRef.current, {
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backgroundColor: [0, 0, 0, 0],
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pointDefaultColor: colors.primary,
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pointDefaultSize: 8,
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linkDefaultColor: colors.border,
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linkDefaultWidth: 1,
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linkOpacity: 0.5,
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enableSimulation: true,
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enableDrag: true,
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enableZoom: true,
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fitViewOnInit: false,
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spaceSize: 1024,
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simulationGravity: 0.15,
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simulationRepulsion: 0.6,
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simulationLinkSpring: 0.3,
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simulationLinkDistance: 60,
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simulationFriction: 0.85,
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simulationDecay: 8000,
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renderHoveredPointRing: true,
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hoveredPointRingColor: colors.primary,
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hoveredPointCursor: "pointer",
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onPointClick: (index: number) => {
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const node = nodesRef.current[index];
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if (node) handleNodeClick(node);
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},
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onSimulationTick: () => updateLabels(),
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onZoom: () => updateLabels(),
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});
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graphRef.current = graph;
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return () => {
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cancelAnimationFrame(rafRef.current);
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graph.destroy();
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graphRef.current = null;
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};
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}, []);
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// ── Update labels from graph positions ──
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const updateLabels = useCallback(() => {
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const graph = graphRef.current;
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if (!graph || nodesRef.current.length === 0) return;
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const positions = graph.getPointPositions();
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const next: { x: number; y: number }[] = [];
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for (let i = 0; i < nodesRef.current.length; i++) {
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const sx = positions[i * 2];
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const sy = positions[i * 2 + 1];
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if (sx === undefined) break;
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const [px, py] = graph.spaceToScreenPosition([sx, sy]);
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next.push({ x: px, y: py });
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}
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setLabelPositions(next);
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}, []);
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// ── Feed node data into graph when nodes change ──
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useEffect(() => {
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const graph = graphRef.current;
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if (!graph) return;
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if (filteredNodes.length === 0) {
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nodesRef.current = [];
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setLabelPositions([]);
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graph.setPointPositions(new Float32Array(0));
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graph.setPointColors(new Float32Array(0));
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graph.setPointSizes(new Float32Array(0));
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graph.setLinks(new Float32Array(0));
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graph.setLinkColors(new Float32Array(0));
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graph.render();
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return;
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}
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const c = THEME_COLORS[getThemeId()] ?? THEME_COLORS.dark;
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const { sorted, positions, pointColors, sizes, links, linkColors } = buildBuffers(filteredNodes, c);
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nodesRef.current = sorted;
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graph.setPointPositions(positions);
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graph.setPointColors(pointColors);
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graph.setPointSizes(sizes);
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if (links.length > 0) {
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graph.setLinks(links);
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graph.setLinkColors(linkColors);
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}
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graph.setPinnedPoints([0]);
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graph.render();
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graph.start();
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setTimeout(() => {
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graph.fitView(400, 0.4);
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updateLabels();
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}, 200);
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}, [filteredNodes, updateLabels]);
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// ── Poll for nodes ──
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useEffect(() => {
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const load = () => {
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fetchBrowseNodes().then(setNodes).catch(() => { });
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};
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load();
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pollRef.current = setInterval(load, 30_000);
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return () => {
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if (pollRef.current) clearInterval(pollRef.current);
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};
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}, []);
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// ── Node click → fetch page ──
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const handleNodeClick = useCallback((node: NetworkNode) => {
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setSelectedNode(node);
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setPageHtml(null);
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setPageError(null);
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setPageLoading(true);
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fetchRemotePage(node.hash)
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.then((res) => {
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if (res.content) {
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setPageHtml(renderMicron(res.content, true));
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} else {
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setPageError(res.error ?? "No content");
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}
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})
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.catch((e) => setPageError(String(e)))
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.finally(() => setPageLoading(false));
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}, []);
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return (
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<div className="flex items-center justify-center h-full text-muted-foreground">
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Browse
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<div className="flex flex-col" style={{ height: "100%" }}>
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{/* Header */}
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<div className="flex items-center gap-3 px-4 py-2 border-b-2 border-border shrink-0">
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<h1 className="text-sm font-semibold">Browse</h1>
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<input
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type="text"
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value={filter}
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onChange={(e) => setFilter(e.target.value)}
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placeholder="Filter nodes..."
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className="flex-1 h-8 px-2 text-xs bg-muted/50 border border-border rounded placeholder:text-muted-foreground focus:outline-none focus:ring-1 focus:ring-primary"
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/>
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<span className="text-[10px] text-muted-foreground uppercase tracking-wider whitespace-nowrap">
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{filteredNodes.length}/{nodes.length} node{nodes.length !== 1 && "s"}
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</span>
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</div>
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{/* Graph + labels */}
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<div
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ref={containerRef}
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className="relative shrink-0 bg-background overflow-hidden"
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style={{ height: 500 }}
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>
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{nodesRef.current.map((node, i) => {
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const lp = labelPositions[i];
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if (!lp) return null;
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return (
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<span
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key={node.hash}
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className="absolute text-[10px] font-mono pointer-events-none select-none whitespace-nowrap"
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style={{
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left: lp.x,
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top: lp.y - 12,
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transform: "translate(-50%, -100%)",
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color: node.is_self ? colors.primary : colors.muted,
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}}
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>
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{node.name}
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</span>
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);
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})}
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{nodes.length === 0 && (
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<div className="absolute inset-0 flex items-center justify-center text-muted-foreground text-sm">
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Listening for nodes on the Reticulum network...
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</div>
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)}
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{nodes.length > 0 && filteredNodes.length === 0 && (
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<div className="absolute inset-0 flex items-center justify-center text-muted-foreground text-sm">
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No nodes match "{filter}"
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</div>
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)}
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</div>
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{/* Page viewer */}
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<div className="flex-1 min-h-0 border-t-2 border-border overflow-auto">
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<div className="flex items-center px-4 py-2 border-b border-border sticky top-0 bg-background z-10">
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<span className="text-xs font-semibold flex-1 truncate">
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{selectedNode ? (
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<>
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{selectedNode.name}
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<span className="ml-2 text-[10px] text-muted-foreground font-normal">
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{selectedNode.hash.slice(0, 12)}
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</span>
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</>
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) : (
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<span className="text-muted-foreground font-normal">Page</span>
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)}
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</span>
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</div>
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<div className="p-3">
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{!selectedNode && (
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<span className="text-muted-foreground text-xs">
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Click a node to view its page
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</span>
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)}
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{pageLoading && (
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<span className="text-muted-foreground text-xs animate-pulse">
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Requesting page...
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</span>
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)}
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{pageError && (
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<span className="text-destructive text-xs">{pageError}</span>
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)}
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{pageHtml && (
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<div
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className="font-mono text-[11px] leading-tight"
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dangerouslySetInnerHTML={{ __html: pageHtml }}
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/>
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)}
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</div>
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</div>
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</div>
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);
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}
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Reference in New Issue
Block a user