refactor(core): Abstract away InstanceSettings and encryptionKey into injectable services (no-changelog) (#7471)

This change ensures that things like `encryptionKey` and `instanceId`
are always available directly where they are needed, instead of passing
them around throughout the code.

packages/cli/src/constants.ts

@@ -1,7 +1,8 @@
 import { readFileSync } from 'fs';
 import { resolve, join, dirname } from 'path';
+import { Container } from 'typedi';
 import type { n8n } from 'n8n-core';
-import { RESPONSE_ERROR_MESSAGES as CORE_RESPONSE_ERROR_MESSAGES, UserSettings } from 'n8n-core';
+import { InstanceSettings } from 'n8n-core';
 import { jsonParse } from 'n8n-workflow';
 
 const { NODE_ENV, E2E_TESTS } = process.env;
@@ -16,7 +17,10 @@ export const CUSTOM_API_CALL_KEY = '__CUSTOM_API_CALL__';
 export const CLI_DIR = resolve(__dirname, '..');
 export const TEMPLATES_DIR = join(CLI_DIR, 'templates');
 export const NODES_BASE_DIR = dirname(require.resolve('n8n-nodes-base'));
-export const GENERATED_STATIC_DIR = join(UserSettings.getUserHome(), '.cache/n8n/public');
+export const GENERATED_STATIC_DIR = join(
+	Container.get(InstanceSettings).userHome,
+	'.cache/n8n/public',
+);
 export const EDITOR_UI_DIST_DIR = join(dirname(require.resolve('n8n-editor-ui')), 'dist');
 
 export function getN8nPackageJson() {
@@ -34,7 +38,6 @@ export const STARTER_TEMPLATE_NAME = `${NODE_PACKAGE_PREFIX}starter`;
 export const RESPONSE_ERROR_MESSAGES = {
 	NO_CREDENTIAL: 'Credential not found',
 	NO_NODE: 'Node not found',
-	NO_ENCRYPTION_KEY: CORE_RESPONSE_ERROR_MESSAGES.NO_ENCRYPTION_KEY,
 	PACKAGE_NAME_NOT_PROVIDED: 'Package name is required',
 	PACKAGE_NAME_NOT_VALID: `Package name is not valid - it must start with "${NODE_PACKAGE_PREFIX}"`,
 	PACKAGE_NOT_INSTALLED: 'This package is not installed - you must install it first',