feat: enhance Slack sidecar with response presets and improved diagnostics

- Added response presets for standup, bug report, and ship update in the Slack sidecar.
- Improved UI elements including a copy button for replies and conversation memory.
- Enhanced diagnostics section with better health indicators and tool listings.
- Introduced performance metrics for response times in the Slack form.

feat: revamp system pane for better process and host introspection

- Updated system pane to include live sparklines for memory and CPU usage.
- Enhanced KPI display with uptime, memory usage, and CPU load metrics.
- Added functionality to capture and display configured services and their statuses.

feat: overhaul tools pane for improved usability and interaction

- Redesigned tools pane to allow filtering, favoriting, and invoking MCP tools.
- Introduced a history feature to track recent tool calls.
- Enhanced form handling for tool arguments with schema-driven inputs.

feat: new files pane for accessing platform data

- Implemented a new files pane to surface data from files.cxllm.io.
- Added tabs for providers, edge functions, health, demand runs, watcher events, and file manager categories.
- Included functionality to capture health snapshots and display recent data.

src/routes/pages.cpp

@@ -2,6 +2,7 @@
 #include "routes.h"
 #include <cstdlib>
 #include <fstream>
+#include <initializer_list>
 #include <sstream>
 #include <string>
 
@@ -37,7 +38,10 @@ std::string mime_for(const std::string& path) {
     if (ends(".css"))  return "text/css; charset=utf-8";
     if (ends(".js"))   return "application/javascript; charset=utf-8";
     if (ends(".mjs"))  return "application/javascript; charset=utf-8";
+    if (ends(".worker.js")) return "application/javascript; charset=utf-8";
+    if (ends(".wasm")) return "application/wasm";
     if (ends(".json")) return "application/json; charset=utf-8";
+    if (ends(".data")) return "application/octet-stream";
     if (ends(".svg"))  return "image/svg+xml";
     if (ends(".png"))  return "image/png";
     if (ends(".jpg") || ends(".jpeg")) return "image/jpeg";
@@ -58,6 +62,33 @@ bool is_safe(const std::string& path) {
     return true;
 }
 
+bool has_segment(const std::string& path, const std::string& segment) {
+    return path == segment || path.rfind(segment + "/", 0) == 0 ||
+        path.find("/" + segment + "/") != std::string::npos;
+}
+
+std::string cache_for(const std::string& rel) {
+    if (rel == "index.html" || rel == "service-catalog.json" || rel == "wasm/modules.json") {
+        return "no-cache, max-age=0, must-revalidate";
+    }
+    if (has_segment(rel, "assets") || has_segment(rel, "wasm")) {
+        return "public, max-age=31536000, immutable";
+    }
+    return "public, max-age=300";
+}
+
+std::string join_path(std::initializer_list<std::string> parts) {
+    std::string joined;
+    for (const auto& part : parts) {
+        if (joined.empty()) {
+            joined = part;
+        } else {
+            joined += "/" + part;
+        }
+    }
+    return joined;
+}
+
 crow::response serve_static(const std::string& rel) {
     if (!is_safe(rel)) return crow::response(400, "bad path");
     const std::string full = static_dir() + "/" + rel;
@@ -65,7 +96,7 @@ crow::response serve_static(const std::string& rel) {
     if (body.empty()) return crow::response(404, "not found");
     crow::response resp(body);
     resp.add_header("Content-Type", mime_for(rel));
-    resp.add_header("Cache-Control", "public, max-age=300");
+    resp.add_header("Cache-Control", cache_for(rel));
     return resp;
 }
 
@@ -79,7 +110,7 @@ void register_pages(crow::SimpleApp& app) {
     CROW_ROUTE(app, "/favicon.ico")
     ([]() { return serve_static("favicon.svg"); });
 
-    // Crow's `<string>` matches a single segment. Register depths 1..3.
+    // Crow's `<string>` matches a single segment. Register enough depth for Vite and Wasm side files.
     CROW_ROUTE(app, "/static/<string>")
     ([](const std::string& a) { return serve_static(a); });
 
@@ -90,7 +121,22 @@ void register_pages(crow::SimpleApp& app) {
 
     CROW_ROUTE(app, "/static/<string>/<string>/<string>")
     ([](const std::string& a, const std::string& b, const std::string& c) {
-        return serve_static(a + "/" + b + "/" + c);
+        return serve_static(join_path({a, b, c}));
+    });
+
+    CROW_ROUTE(app, "/static/<string>/<string>/<string>/<string>")
+    ([](const std::string& a, const std::string& b, const std::string& c, const std::string& d) {
+        return serve_static(join_path({a, b, c, d}));
+    });
+
+    CROW_ROUTE(app, "/static/<string>/<string>/<string>/<string>/<string>")
+    ([](const std::string& a, const std::string& b, const std::string& c, const std::string& d, const std::string& e) {
+        return serve_static(join_path({a, b, c, d, e}));
+    });
+
+    CROW_ROUTE(app, "/static/<string>/<string>/<string>/<string>/<string>/<string>")
+    ([](const std::string& a, const std::string& b, const std::string& c, const std::string& d, const std::string& e, const std::string& f) {
+        return serve_static(join_path({a, b, c, d, e, f}));
     });
 }
 

static/.cxllm-web-platform

@@ -0,0 +1 @@
+generated from web-platform target webapp

static/index.html

@@ -1,158 +1,13 @@
 <!doctype html>
 <html lang="en">
   <head>
-    <meta charset="utf-8" />
+    <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>CxWebApp · Control Center</title>
+    <title>CxWebApp</title>
-    <link rel="icon" type="image/svg+xml" href="/static/favicon.svg" />
+    <script type="module" crossorigin src="/static/assets/webapp-BAxW9gnc.js"></script>
-    <link rel="stylesheet" href="/static/css/tokens.css" />
+    <link rel="stylesheet" crossorigin href="/static/assets/webapp-Bf0A7CMv.css">
-    <link rel="stylesheet" href="/static/css/app.css" />
-    <script>
-      try {
-        const t = localStorage.getItem('cx_theme');
-        if (t === 'dark' || (!t && matchMedia('(prefers-color-scheme: dark)').matches)) {
-          document.documentElement.classList.add('dark');
-        }
-      } catch (_) {}
-    </script>
   </head>
-  <body data-mcp-base="http://127.0.0.1:8082">
+  <body>
-    <div class="app">
+    <div id="cxllm-root" data-cx-target="webapp"></div>
-      <aside class="sidebar" aria-label="Main navigation">
-        <div class="brand">
-          <div class="mark">Cx</div>
-          <div>
-            <div class="name">CxWebApp</div>
-            <div class="ver" id="brand-ver">loading…</div>
-          </div>
-        </div>
-
-        <div class="nav-group">
-          <div class="label">Platform</div>
-          <button class="nav-item" data-tab="dashboard">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/></svg>
-            <span>Dashboard</span>
-          </button>
-          <button class="nav-item" data-tab="agent">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="9"/><path d="M12 7v5l3 2"/></svg>
-            <span>Agent</span>
-            <span class="pill" id="nav-agent-pill">·</span>
-          </button>
-          <button class="nav-item" data-tab="inbox">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M22 12h-6l-2 3h-4l-2-3H2"/><path d="M5.5 5h13l3 7v6a2 2 0 0 1-2 2h-15a2 2 0 0 1-2-2v-6Z"/></svg>
-            <span>Inbox</span>
-            <span class="pill" id="nav-inbox-pill"></span>
-          </button>
-          <button class="nav-item" data-tab="tools">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14.7 6.3a4 4 0 1 0 5 5L21 13l-2 2-8-8 2-2 1.7 1.3Z"/><path d="M3 21l6-6"/></svg>
-            <span>Tools</span>
-          </button>
-          <button class="nav-item" data-tab="items">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 6h18"/><path d="M3 12h18"/><path d="M3 18h18"/></svg>
-            <span>Items</span>
-          </button>
-        </div>
-
-        <div class="nav-group">
-          <div class="label">Services</div>
-          <button class="nav-item" data-tab="diffusion">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="3"/><circle cx="12" cy="12" r="8"/></svg>
-            <span>Diffusion</span>
-          </button>
-          <button class="nav-item" data-tab="demand">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 17 9 11 13 15 21 7"/><polyline points="14 7 21 7 21 14"/></svg>
-            <span>Demand</span>
-          </button>
-          <button class="nav-item" data-tab="lang">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2Z"/></svg>
-            <span>Lang</span>
-          </button>
-          <button class="nav-item" data-tab="slack">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 9V5a2 2 0 1 1 4 0v4"/><path d="M22 14h-4a2 2 0 1 1 0-4h4"/><path d="M10 15v4a2 2 0 1 1-4 0v-4"/><path d="M2 10h4a2 2 0 1 1 0 4H2"/></svg>
-            <span>Slack</span>
-          </button>
-          <button class="nav-item" data-tab="mac">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="4" width="18" height="12" rx="2"/><line x1="8" y1="22" x2="16" y2="22"/><line x1="12" y1="18" x2="12" y2="22"/></svg>
-            <span>macOS</span>
-          </button>
-          <button class="nav-item" data-tab="files">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2Z"/></svg>
-            <span>Files · Platform</span>
-          </button>
-        </div>
-
-        <div class="nav-group">
-          <div class="label">Develop</div>
-          <button class="nav-item" data-tab="api">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="16 18 22 12 16 6"/><polyline points="8 6 2 12 8 18"/></svg>
-            <span>API Explorer</span>
-          </button>
-          <button class="nav-item" data-tab="websocket">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M2 12a10 10 0 0 1 20 0"/><path d="M5 12a7 7 0 0 1 14 0"/><circle cx="12" cy="12" r="2"/></svg>
-            <span>WebSocket</span>
-          </button>
-          <button class="nav-item" data-tab="system">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="2" y="3" width="20" height="14" rx="2"/><line x1="8" y1="21" x2="16" y2="21"/><line x1="12" y1="17" x2="12" y2="21"/></svg>
-            <span>System</span>
-          </button>
-          <button class="nav-item" data-tab="about">
-            <svg class="ic" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>
-            <span>About</span>
-          </button>
-        </div>
-
-        <div class="sidebar-footer">
-          <span id="footer-build">build —</span>
-          <span><a href="/api/health" target="_blank" rel="noopener">health</a></span>
-        </div>
-      </aside>
-
-      <header class="header">
-        <div class="crumb">
-          <span class="muted">CxWebApp</span>
-          <span class="sep">/</span>
-          <span id="crumb-tab">Dashboard</span>
-        </div>
-        <div class="grow"></div>
-        <button class="cmd-trigger" id="cmd-trigger" title="Open command palette (⌘K)">
-          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="7"/><line x1="20" y1="20" x2="17" y2="17"/></svg>
-          <span>Search or jump…</span>
-          <kbd>⌘K</kbd>
-        </button>
-        <span class="pill ok" id="health-pill" title="Backend health"><span class="dot"></span><span id="health-text">checking</span></span>
-        <button class="icon-btn" id="theme-toggle" title="Toggle theme" aria-label="Toggle theme">
-          <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="4"/><path d="M12 2v2M12 20v2M4.93 4.93l1.41 1.41M17.66 17.66l1.41 1.41M2 12h2M20 12h2M4.93 19.07l1.41-1.41M17.66 6.34l1.41-1.41"/></svg>
-        </button>
-      </header>
-
-      <main class="main" id="main">
-        <section class="pane" data-pane="dashboard"></section>
-        <section class="pane" data-pane="agent"></section>
-        <section class="pane" data-pane="inbox"></section>
-        <section class="pane" data-pane="tools"></section>
-        <section class="pane" data-pane="items"></section>
-        <section class="pane" data-pane="diffusion"></section>
-        <section class="pane" data-pane="demand"></section>
-        <section class="pane" data-pane="lang"></section>
-        <section class="pane" data-pane="slack"></section>
-        <section class="pane" data-pane="mac"></section>
-        <section class="pane" data-pane="files"></section>
-        <section class="pane" data-pane="api"></section>
-        <section class="pane" data-pane="websocket"></section>
-        <section class="pane" data-pane="system"></section>
-        <section class="pane" data-pane="about"></section>
-      </main>
-    </div>
-
-    <div class="palette-bg" id="palette-bg" aria-hidden="true">
-      <div class="palette" role="dialog" aria-label="Command palette">
-        <input id="palette-input" type="text" placeholder="Jump to a view, run a tool, or search the API…" autocomplete="off" />
-        <ul id="palette-list"></ul>
-      </div>
-    </div>
-
-    <div class="toasts" id="toasts" aria-live="polite" aria-atomic="true"></div>
-
-    <script type="module" src="/static/js/app.js"></script>
   </body>
 </html>

static/wasm/modules.json

@@ -0,0 +1,20 @@
+{
+  "schemaVersion": 1,
+  "modules": [
+    {
+      "id": "rust",
+      "status": "built",
+      "detail": "cxllm_rust_core.wasm"
+    },
+    {
+      "id": "cpp",
+      "status": "skipped",
+      "detail": "clang++ is present but has no compatible wasm32 target"
+    },
+    {
+      "id": "go",
+      "status": "built",
+      "detail": "cxllm_go_core.wasm"
+    }
+  ]
+}

static/wasm/wasm_exec.js

@@ -0,0 +1,575 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+"use strict";
+
+(() => {
+	const enosys = () => {
+		const err = new Error("not implemented");
+		err.code = "ENOSYS";
+		return err;
+	};
+
+	if (!globalThis.fs) {
+		let outputBuf = "";
+		globalThis.fs = {
+			constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1, O_DIRECTORY: -1 }, // unused
+			writeSync(fd, buf) {
+				outputBuf += decoder.decode(buf);
+				const nl = outputBuf.lastIndexOf("\n");
+				if (nl != -1) {
+					console.log(outputBuf.substring(0, nl));
+					outputBuf = outputBuf.substring(nl + 1);
+				}
+				return buf.length;
+			},
+			write(fd, buf, offset, length, position, callback) {
+				if (offset !== 0 || length !== buf.length || position !== null) {
+					callback(enosys());
+					return;
+				}
+				const n = this.writeSync(fd, buf);
+				callback(null, n);
+			},
+			chmod(path, mode, callback) { callback(enosys()); },
+			chown(path, uid, gid, callback) { callback(enosys()); },
+			close(fd, callback) { callback(enosys()); },
+			fchmod(fd, mode, callback) { callback(enosys()); },
+			fchown(fd, uid, gid, callback) { callback(enosys()); },
+			fstat(fd, callback) { callback(enosys()); },
+			fsync(fd, callback) { callback(null); },
+			ftruncate(fd, length, callback) { callback(enosys()); },
+			lchown(path, uid, gid, callback) { callback(enosys()); },
+			link(path, link, callback) { callback(enosys()); },
+			lstat(path, callback) { callback(enosys()); },
+			mkdir(path, perm, callback) { callback(enosys()); },
+			open(path, flags, mode, callback) { callback(enosys()); },
+			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
+			readdir(path, callback) { callback(enosys()); },
+			readlink(path, callback) { callback(enosys()); },
+			rename(from, to, callback) { callback(enosys()); },
+			rmdir(path, callback) { callback(enosys()); },
+			stat(path, callback) { callback(enosys()); },
+			symlink(path, link, callback) { callback(enosys()); },
+			truncate(path, length, callback) { callback(enosys()); },
+			unlink(path, callback) { callback(enosys()); },
+			utimes(path, atime, mtime, callback) { callback(enosys()); },
+		};
+	}
+
+	if (!globalThis.process) {
+		globalThis.process = {
+			getuid() { return -1; },
+			getgid() { return -1; },
+			geteuid() { return -1; },
+			getegid() { return -1; },
+			getgroups() { throw enosys(); },
+			pid: -1,
+			ppid: -1,
+			umask() { throw enosys(); },
+			cwd() { throw enosys(); },
+			chdir() { throw enosys(); },
+		}
+	}
+
+	if (!globalThis.path) {
+		globalThis.path = {
+			resolve(...pathSegments) {
+				return pathSegments.join("/");
+			}
+		}
+	}
+
+	if (!globalThis.crypto) {
+		throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)");
+	}
+
+	if (!globalThis.performance) {
+		throw new Error("globalThis.performance is not available, polyfill required (performance.now only)");
+	}
+
+	if (!globalThis.TextEncoder) {
+		throw new Error("globalThis.TextEncoder is not available, polyfill required");
+	}
+
+	if (!globalThis.TextDecoder) {
+		throw new Error("globalThis.TextDecoder is not available, polyfill required");
+	}
+
+	const encoder = new TextEncoder("utf-8");
+	const decoder = new TextDecoder("utf-8");
+
+	globalThis.Go = class {
+		constructor() {
+			this.argv = ["js"];
+			this.env = {};
+			this.exit = (code) => {
+				if (code !== 0) {
+					console.warn("exit code:", code);
+				}
+			};
+			this._exitPromise = new Promise((resolve) => {
+				this._resolveExitPromise = resolve;
+			});
+			this._pendingEvent = null;
+			this._scheduledTimeouts = new Map();
+			this._nextCallbackTimeoutID = 1;
+
+			const setInt64 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+				this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
+			}
+
+			const setInt32 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+			}
+
+			const getInt64 = (addr) => {
+				const low = this.mem.getUint32(addr + 0, true);
+				const high = this.mem.getInt32(addr + 4, true);
+				return low + high * 4294967296;
+			}
+
+			const loadValue = (addr) => {
+				const f = this.mem.getFloat64(addr, true);
+				if (f === 0) {
+					return undefined;
+				}
+				if (!isNaN(f)) {
+					return f;
+				}
+
+				const id = this.mem.getUint32(addr, true);
+				return this._values[id];
+			}
+
+			const storeValue = (addr, v) => {
+				const nanHead = 0x7FF80000;
+
+				if (typeof v === "number" && v !== 0) {
+					if (isNaN(v)) {
+						this.mem.setUint32(addr + 4, nanHead, true);
+						this.mem.setUint32(addr, 0, true);
+						return;
+					}
+					this.mem.setFloat64(addr, v, true);
+					return;
+				}
+
+				if (v === undefined) {
+					this.mem.setFloat64(addr, 0, true);
+					return;
+				}
+
+				let id = this._ids.get(v);
+				if (id === undefined) {
+					id = this._idPool.pop();
+					if (id === undefined) {
+						id = this._values.length;
+					}
+					this._values[id] = v;
+					this._goRefCounts[id] = 0;
+					this._ids.set(v, id);
+				}
+				this._goRefCounts[id]++;
+				let typeFlag = 0;
+				switch (typeof v) {
+					case "object":
+						if (v !== null) {
+							typeFlag = 1;
+						}
+						break;
+					case "string":
+						typeFlag = 2;
+						break;
+					case "symbol":
+						typeFlag = 3;
+						break;
+					case "function":
+						typeFlag = 4;
+						break;
+				}
+				this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
+				this.mem.setUint32(addr, id, true);
+			}
+
+			const loadSlice = (addr) => {
+				const array = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				return new Uint8Array(this._inst.exports.mem.buffer, array, len);
+			}
+
+			const loadSliceOfValues = (addr) => {
+				const array = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				const a = new Array(len);
+				for (let i = 0; i < len; i++) {
+					a[i] = loadValue(array + i * 8);
+				}
+				return a;
+			}
+
+			const loadString = (addr) => {
+				const saddr = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
+			}
+
+			const testCallExport = (a, b) => {
+				this._inst.exports.testExport0();
+				return this._inst.exports.testExport(a, b);
+			}
+
+			const timeOrigin = Date.now() - performance.now();
+			this.importObject = {
+				_gotest: {
+					add: (a, b) => a + b,
+					callExport: testCallExport,
+				},
+				gojs: {
+					// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
+					// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
+					// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
+					// This changes the SP, thus we have to update the SP used by the imported function.
+
+					// func wasmExit(code int32)
+					"runtime.wasmExit": (sp) => {
+						sp >>>= 0;
+						const code = this.mem.getInt32(sp + 8, true);
+						this.exited = true;
+						delete this._inst;
+						delete this._values;
+						delete this._goRefCounts;
+						delete this._ids;
+						delete this._idPool;
+						this.exit(code);
+					},
+
+					// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
+					"runtime.wasmWrite": (sp) => {
+						sp >>>= 0;
+						const fd = getInt64(sp + 8);
+						const p = getInt64(sp + 16);
+						const n = this.mem.getInt32(sp + 24, true);
+						fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
+					},
+
+					// func resetMemoryDataView()
+					"runtime.resetMemoryDataView": (sp) => {
+						sp >>>= 0;
+						this.mem = new DataView(this._inst.exports.mem.buffer);
+					},
+
+					// func nanotime1() int64
+					"runtime.nanotime1": (sp) => {
+						sp >>>= 0;
+						setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
+					},
+
+					// func walltime() (sec int64, nsec int32)
+					"runtime.walltime": (sp) => {
+						sp >>>= 0;
+						const msec = (new Date).getTime();
+						setInt64(sp + 8, msec / 1000);
+						this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
+					},
+
+					// func scheduleTimeoutEvent(delay int64) int32
+					"runtime.scheduleTimeoutEvent": (sp) => {
+						sp >>>= 0;
+						const id = this._nextCallbackTimeoutID;
+						this._nextCallbackTimeoutID++;
+						this._scheduledTimeouts.set(id, setTimeout(
+							() => {
+								this._resume();
+								while (this._scheduledTimeouts.has(id)) {
+									// for some reason Go failed to register the timeout event, log and try again
+									// (temporary workaround for https://github.com/golang/go/issues/28975)
+									console.warn("scheduleTimeoutEvent: missed timeout event");
+									this._resume();
+								}
+							},
+							getInt64(sp + 8),
+						));
+						this.mem.setInt32(sp + 16, id, true);
+					},
+
+					// func clearTimeoutEvent(id int32)
+					"runtime.clearTimeoutEvent": (sp) => {
+						sp >>>= 0;
+						const id = this.mem.getInt32(sp + 8, true);
+						clearTimeout(this._scheduledTimeouts.get(id));
+						this._scheduledTimeouts.delete(id);
+					},
+
+					// func getRandomData(r []byte)
+					"runtime.getRandomData": (sp) => {
+						sp >>>= 0;
+						crypto.getRandomValues(loadSlice(sp + 8));
+					},
+
+					// func finalizeRef(v ref)
+					"syscall/js.finalizeRef": (sp) => {
+						sp >>>= 0;
+						const id = this.mem.getUint32(sp + 8, true);
+						this._goRefCounts[id]--;
+						if (this._goRefCounts[id] === 0) {
+							const v = this._values[id];
+							this._values[id] = null;
+							this._ids.delete(v);
+							this._idPool.push(id);
+						}
+					},
+
+					// func stringVal(value string) ref
+					"syscall/js.stringVal": (sp) => {
+						sp >>>= 0;
+						storeValue(sp + 24, loadString(sp + 8));
+					},
+
+					// func valueGet(v ref, p string) ref
+					"syscall/js.valueGet": (sp) => {
+						sp >>>= 0;
+						const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
+						sp = this._inst.exports.getsp() >>> 0; // see comment above
+						storeValue(sp + 32, result);
+					},
+
+					// func valueSet(v ref, p string, x ref)
+					"syscall/js.valueSet": (sp) => {
+						sp >>>= 0;
+						Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
+					},
+
+					// func valueDelete(v ref, p string)
+					"syscall/js.valueDelete": (sp) => {
+						sp >>>= 0;
+						Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
+					},
+
+					// func valueIndex(v ref, i int) ref
+					"syscall/js.valueIndex": (sp) => {
+						sp >>>= 0;
+						storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
+					},
+
+					// valueSetIndex(v ref, i int, x ref)
+					"syscall/js.valueSetIndex": (sp) => {
+						sp >>>= 0;
+						Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
+					},
+
+					// func valueCall(v ref, m string, args []ref) (ref, bool)
+					"syscall/js.valueCall": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const m = Reflect.get(v, loadString(sp + 16));
+							const args = loadSliceOfValues(sp + 32);
+							const result = Reflect.apply(m, v, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 56, result);
+							this.mem.setUint8(sp + 64, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 56, err);
+							this.mem.setUint8(sp + 64, 0);
+						}
+					},
+
+					// func valueInvoke(v ref, args []ref) (ref, bool)
+					"syscall/js.valueInvoke": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const args = loadSliceOfValues(sp + 16);
+							const result = Reflect.apply(v, undefined, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, result);
+							this.mem.setUint8(sp + 48, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, err);
+							this.mem.setUint8(sp + 48, 0);
+						}
+					},
+
+					// func valueNew(v ref, args []ref) (ref, bool)
+					"syscall/js.valueNew": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const args = loadSliceOfValues(sp + 16);
+							const result = Reflect.construct(v, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, result);
+							this.mem.setUint8(sp + 48, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, err);
+							this.mem.setUint8(sp + 48, 0);
+						}
+					},
+
+					// func valueLength(v ref) int
+					"syscall/js.valueLength": (sp) => {
+						sp >>>= 0;
+						setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
+					},
+
+					// valuePrepareString(v ref) (ref, int)
+					"syscall/js.valuePrepareString": (sp) => {
+						sp >>>= 0;
+						const str = encoder.encode(String(loadValue(sp + 8)));
+						storeValue(sp + 16, str);
+						setInt64(sp + 24, str.length);
+					},
+
+					// valueLoadString(v ref, b []byte)
+					"syscall/js.valueLoadString": (sp) => {
+						sp >>>= 0;
+						const str = loadValue(sp + 8);
+						loadSlice(sp + 16).set(str);
+					},
+
+					// func valueInstanceOf(v ref, t ref) bool
+					"syscall/js.valueInstanceOf": (sp) => {
+						sp >>>= 0;
+						this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
+					},
+
+					// func copyBytesToGo(dst []byte, src ref) (int, bool)
+					"syscall/js.copyBytesToGo": (sp) => {
+						sp >>>= 0;
+						const dst = loadSlice(sp + 8);
+						const src = loadValue(sp + 32);
+						if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
+							this.mem.setUint8(sp + 48, 0);
+							return;
+						}
+						const toCopy = src.subarray(0, dst.length);
+						dst.set(toCopy);
+						setInt64(sp + 40, toCopy.length);
+						this.mem.setUint8(sp + 48, 1);
+					},
+
+					// func copyBytesToJS(dst ref, src []byte) (int, bool)
+					"syscall/js.copyBytesToJS": (sp) => {
+						sp >>>= 0;
+						const dst = loadValue(sp + 8);
+						const src = loadSlice(sp + 16);
+						if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
+							this.mem.setUint8(sp + 48, 0);
+							return;
+						}
+						const toCopy = src.subarray(0, dst.length);
+						dst.set(toCopy);
+						setInt64(sp + 40, toCopy.length);
+						this.mem.setUint8(sp + 48, 1);
+					},
+
+					"debug": (value) => {
+						console.log(value);
+					},
+				}
+			};
+		}
+
+		async run(instance) {
+			if (!(instance instanceof WebAssembly.Instance)) {
+				throw new Error("Go.run: WebAssembly.Instance expected");
+			}
+			this._inst = instance;
+			this.mem = new DataView(this._inst.exports.mem.buffer);
+			this._values = [ // JS values that Go currently has references to, indexed by reference id
+				NaN,
+				0,
+				null,
+				true,
+				false,
+				globalThis,
+				this,
+			];
+			this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
+			this._ids = new Map([ // mapping from JS values to reference ids
+				[0, 1],
+				[null, 2],
+				[true, 3],
+				[false, 4],
+				[globalThis, 5],
+				[this, 6],
+			]);
+			this._idPool = [];   // unused ids that have been garbage collected
+			this.exited = false; // whether the Go program has exited
+
+			// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
+			let offset = 4096;
+
+			const strPtr = (str) => {
+				const ptr = offset;
+				const bytes = encoder.encode(str + "\0");
+				new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
+				offset += bytes.length;
+				if (offset % 8 !== 0) {
+					offset += 8 - (offset % 8);
+				}
+				return ptr;
+			};
+
+			const argc = this.argv.length;
+
+			const argvPtrs = [];
+			this.argv.forEach((arg) => {
+				argvPtrs.push(strPtr(arg));
+			});
+			argvPtrs.push(0);
+
+			const keys = Object.keys(this.env).sort();
+			keys.forEach((key) => {
+				argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
+			});
+			argvPtrs.push(0);
+
+			const argv = offset;
+			argvPtrs.forEach((ptr) => {
+				this.mem.setUint32(offset, ptr, true);
+				this.mem.setUint32(offset + 4, 0, true);
+				offset += 8;
+			});
+
+			// The linker guarantees global data starts from at least wasmMinDataAddr.
+			// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
+			const wasmMinDataAddr = 4096 + 8192;
+			if (offset >= wasmMinDataAddr) {
+				throw new Error("total length of command line and environment variables exceeds limit");
+			}
+
+			this._inst.exports.run(argc, argv);
+			if (this.exited) {
+				this._resolveExitPromise();
+			}
+			await this._exitPromise;
+		}
+
+		_resume() {
+			if (this.exited) {
+				throw new Error("Go program has already exited");
+			}
+			this._inst.exports.resume();
+			if (this.exited) {
+				this._resolveExitPromise();
+			}
+		}
+
+		_makeFuncWrapper(id) {
+			const go = this;
+			return function () {
+				const event = { id: id, this: this, args: arguments };
+				go._pendingEvent = event;
+				go._resume();
+				return event.result;
+			};
+		}
+	}
+})();