feat: Phase 1 — extract the client (web SPA + desktop) to dtoro/oikos-web

Problem: the hexagonal refactor churns the backend tree for nine more
phases; the UI delivery stack (web/ SPA, cmd/desktop Wails wrapper,
compose/web image) must move to its own repo first so doc/layout
rewrites land once on a backend-only tree.

Change:
- New repo git.hubris.network/dtoro/oikos-web (v0.33.0): web/, desktop/
  (updateURL repointed to oikos-web releases), compose/, own CI (web +
  desktop jobs), own deploy script (CI-green gate, TOCTOU guard,
  version-tagged images, prune-to-3), own webhook receiver on :9798 +
  launchd unit, own compose project publishing the same 8091:80.
- Cutover executed on mac-mini in order: oikos stack's web service
  stopped+removed, oikos-web project brought up on 8091; outer Caddy
  untouched (targets the published port) — serving + Authentik flow +
  /wails 404 quirk verified post-cutover.
- Stripped from oikos: web/, cmd/desktop/, compose/web/, desktop CI
  workflow, ci.yml web job, Makefile ui/desktop/desktop-package/install
  targets, the compose web service, oikos-web from deploy.sh's fallback
  prune list; wails + go-keyring dropped from go.mod, vendor synced.
- README / CONTRIBUTING / AGENTS.md / .agents dev+operations docs now
  point at the new repo; mbse + mascot design docs carry a path note.

Risk: production SPA serving depends on the new pipeline now; rollback
is versioned-image re-up of the old web service from a pre-split
checkout (port 8091). Desktop builds installed before the split still
check dtoro/oikos releases — one manual reinstall, noted in the
oikos-web release notes.

Verification: go vet, make test (race), make generate-check, golangci
(no new findings; baseline down 400→365); post-cutover curls —
localhost:8091 200, /wails/runtime.js 404, outer Caddy 302 Authentik.

web/node_modules/prettier/bin/prettier.cjs

@@ -0,0 +1,84 @@
+#!/usr/bin/env node
+"use strict";
+var __getOwnPropNames = Object.getOwnPropertyNames;
+var __commonJS = function(cb, mod) {
+  return function __require() {
+    try {
+      return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
+    } catch (e) {
+      throw mod = 0, e;
+    }
+  };
+};
+
+// node_modules/semver-compare/index.js
+var require_semver_compare = __commonJS({
+  "node_modules/semver-compare/index.js": function(exports2, module2) {
+    module2.exports = function cmp(a, b) {
+      var pa = a.split(".");
+      var pb = b.split(".");
+      for (var i = 0; i < 3; i++) {
+        var na = Number(pa[i]);
+        var nb = Number(pb[i]);
+        if (na > nb) return 1;
+        if (nb > na) return -1;
+        if (!isNaN(na) && isNaN(nb)) return 1;
+        if (isNaN(na) && !isNaN(nb)) return -1;
+      }
+      return 0;
+    };
+  }
+});
+
+// node_modules/please-upgrade-node/index.js
+var require_please_upgrade_node = __commonJS({
+  "node_modules/please-upgrade-node/index.js": function(exports2, module2) {
+    var semverCompare = require_semver_compare();
+    module2.exports = function pleaseUpgradeNode2(pkg, opts) {
+      var opts = opts || {};
+      var requiredVersion = pkg.engines.node.replace(">=", "");
+      var currentVersion = process.version.replace("v", "");
+      if (semverCompare(currentVersion, requiredVersion) === -1) {
+        if (opts.message) {
+          console.error(opts.message(requiredVersion));
+        } else {
+          console.error(
+            pkg.name + " requires at least version " + requiredVersion + " of Node, please upgrade"
+          );
+        }
+        if (opts.hasOwnProperty("exitCode")) {
+          process.exit(opts.exitCode);
+        } else {
+          process.exit(1);
+        }
+      }
+    };
+  }
+});
+
+// bin/prettier.cjs
+var nodeModule = require("module");
+if (typeof nodeModule.enableCompileCache === "function") {
+  nodeModule.enableCompileCache();
+}
+var pleaseUpgradeNode = require_please_upgrade_node();
+var packageJson = require("../package.json");
+pleaseUpgradeNode(packageJson);
+var dynamicImport = new Function("module", "return import(module)");
+var promise;
+var index = process.argv.indexOf("--experimental-cli");
+if (process.env.PRETTIER_EXPERIMENTAL_CLI || index !== -1) {
+  if (index !== -1) {
+    process.argv.splice(index, 1);
+  }
+  promise = dynamicImport("../internal/experimental-cli.mjs").then(
+    function(cli) {
+      return cli.__promise;
+    }
+  );
+} else {
+  promise = dynamicImport("../internal/legacy-cli.mjs").then(function runCli(cli) {
+    return cli.run();
+  });
+}
+module.exports.__promise = promise;