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/eslint/lib/rules/newline-per-chained-call.js

@@ -0,0 +1,159 @@
+/**
+ * @fileoverview Rule to ensure newline per method call when chaining calls
+ * @author Rajendra Patil
+ * @author Burak Yigit Kaya
+ * @deprecated in ESLint v8.53.0
+ */
+
+"use strict";
+
+const astUtils = require("./utils/ast-utils");
+
+//------------------------------------------------------------------------------
+// Rule Definition
+//------------------------------------------------------------------------------
+
+/** @type {import('../types').Rule.RuleModule} */
+module.exports = {
+	meta: {
+		deprecated: {
+			message: "Formatting rules are being moved out of ESLint core.",
+			url: "https://eslint.org/blog/2023/10/deprecating-formatting-rules/",
+			deprecatedSince: "8.53.0",
+			availableUntil: "11.0.0",
+			replacedBy: [
+				{
+					message:
+						"ESLint Stylistic now maintains deprecated stylistic core rules.",
+					url: "https://eslint.style/guide/migration",
+					plugin: {
+						name: "@stylistic/eslint-plugin",
+						url: "https://eslint.style",
+					},
+					rule: {
+						name: "newline-per-chained-call",
+						url: "https://eslint.style/rules/newline-per-chained-call",
+					},
+				},
+			],
+		},
+		type: "layout",
+
+		docs: {
+			description: "Require a newline after each call in a method chain",
+			recommended: false,
+			url: "https://eslint.org/docs/latest/rules/newline-per-chained-call",
+		},
+
+		fixable: "whitespace",
+
+		schema: [
+			{
+				type: "object",
+				properties: {
+					ignoreChainWithDepth: {
+						type: "integer",
+						minimum: 1,
+						maximum: 10,
+						default: 2,
+					},
+				},
+				additionalProperties: false,
+			},
+		],
+		messages: {
+			expected: "Expected line break before `{{callee}}`.",
+		},
+	},
+
+	create(context) {
+		const options = context.options[0] || {},
+			ignoreChainWithDepth = options.ignoreChainWithDepth || 2;
+
+		const sourceCode = context.sourceCode;
+
+		/**
+		 * Get the prefix of a given MemberExpression node.
+		 * If the MemberExpression node is a computed value it returns a
+		 * left bracket. If not it returns a period.
+		 * @param {ASTNode} node A MemberExpression node to get
+		 * @returns {string} The prefix of the node.
+		 */
+		function getPrefix(node) {
+			if (node.computed) {
+				if (node.optional) {
+					return "?.[";
+				}
+				return "[";
+			}
+			if (node.optional) {
+				return "?.";
+			}
+			return ".";
+		}
+
+		/**
+		 * Gets the property text of a given MemberExpression node.
+		 * If the text is multiline, this returns only the first line.
+		 * @param {ASTNode} node A MemberExpression node to get.
+		 * @returns {string} The property text of the node.
+		 */
+		function getPropertyText(node) {
+			const prefix = getPrefix(node);
+			const lines = sourceCode
+				.getText(node.property)
+				.split(astUtils.LINEBREAK_MATCHER);
+			const suffix = node.computed && lines.length === 1 ? "]" : "";
+
+			return prefix + lines[0] + suffix;
+		}
+
+		return {
+			"CallExpression:exit"(node) {
+				const callee = astUtils.skipChainExpression(node.callee);
+
+				if (callee.type !== "MemberExpression") {
+					return;
+				}
+
+				let parent = astUtils.skipChainExpression(callee.object);
+				let depth = 1;
+
+				while (parent && parent.callee) {
+					depth += 1;
+					parent = astUtils.skipChainExpression(
+						astUtils.skipChainExpression(parent.callee).object,
+					);
+				}
+
+				if (
+					depth > ignoreChainWithDepth &&
+					astUtils.isTokenOnSameLine(callee.object, callee.property)
+				) {
+					const firstTokenAfterObject = sourceCode.getTokenAfter(
+						callee.object,
+						astUtils.isNotClosingParenToken,
+					);
+
+					context.report({
+						node: callee.property,
+						loc: {
+							start: firstTokenAfterObject.loc.start,
+							end: callee.loc.end,
+						},
+						messageId: "expected",
+						data: {
+							callee: getPropertyText(callee),
+						},
+						fix(fixer) {
+							return fixer.insertTextBefore(
+								firstTokenAfterObject,
+								"\n",
+							);
+						},
+					});
+				}
+			},
+		};
+	},
+};