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/tough-cookie/dist/cookie/canonicalDomain.js

@@ -0,0 +1,65 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.canonicalDomain = canonicalDomain;
+const constants_1 = require("./constants");
+/**
+ * Normalizes a domain to lowercase and punycode-encoded.
+ * Runtime-agnostic equivalent to node's `domainToASCII`.
+ * @see https://nodejs.org/docs/latest-v22.x/api/url.html#urldomaintoasciidomain
+ */
+function domainToASCII(domain) {
+    return new URL(`http://${domain}`).hostname;
+}
+/**
+ * Transforms a domain name into a canonical domain name. The canonical domain name is a domain name
+ * that has been trimmed, lowercased, stripped of leading dot, and optionally punycode-encoded
+ * ({@link https://www.rfc-editor.org/rfc/rfc6265.html#section-5.1.2 | Section 5.1.2 of RFC 6265}). For
+ * the most part, this function is idempotent (calling the function with the output from a previous call
+ * returns the same output).
+ *
+ * @remarks
+ * A canonicalized host name is the string generated by the following
+ * algorithm:
+ *
+ * 1.  Convert the host name to a sequence of individual domain name
+ *     labels.
+ *
+ * 2.  Convert each label that is not a Non-Reserved LDH (NR-LDH) label,
+ *     to an A-label (see Section 2.3.2.1 of [RFC5890] for the former
+ *     and latter), or to a "punycode label" (a label resulting from the
+ *     "ToASCII" conversion in Section 4 of [RFC3490]), as appropriate
+ *     (see Section 6.3 of this specification).
+ *
+ * 3.  Concatenate the resulting labels, separated by a %x2E (".")
+ *     character.
+ *
+ * @example
+ * ```
+ * canonicalDomain('.EXAMPLE.com') === 'example.com'
+ * ```
+ *
+ * @param domainName - the domain name to generate the canonical domain from
+ * @public
+ */
+function canonicalDomain(domainName) {
+    if (domainName == null) {
+        return undefined;
+    }
+    let str = domainName.trim().replace(/^\./, ''); // S4.1.2.3 & S5.2.3: ignore leading .
+    if (constants_1.IP_V6_REGEX_OBJECT.test(str)) {
+        if (!str.startsWith('[')) {
+            str = '[' + str;
+        }
+        if (!str.endsWith(']')) {
+            str = str + ']';
+        }
+        return domainToASCII(str).slice(1, -1); // remove [ and ]
+    }
+    // convert to IDN if any non-ASCII characters
+    // eslint-disable-next-line no-control-regex
+    if (/[^\u0001-\u007f]/.test(str)) {
+        return domainToASCII(str);
+    }
+    // ASCII-only domain - not canonicalized with new URL() because it may be a malformed URL
+    return str.toLowerCase();
+}