Merge krystie-improvements into main

Resolves 24 conflicts between Hermes (DC-008/009/010 + response-helper
envelope standardization) and Krystie (DC-005 src/ refactor path fixes,
DC-006 TOTP integration, DC-007 new test suites, cloud backup
destinations).

Conflict resolutions:
- src/utils/logging.js:    took ours (consumers depend on logError/
                            safeErrorMessage/createLogger exports)
- src/config/site.js:      merged (her factored validateAndLogConfig +
                            applyConfigFields helpers)
- src/context/dns.js:      took hers (admin/readonly role iteration for
                            write operations)
- src/utilities/backup-
  manager.js:              took hers (Dropbox/WebDAV/SFTP cloud feature)
- status/dist/*, status/
  sw.js:                   took hers (minified bundles + newer SW cache)

Additional fix (post-merge regression):
- src/monitoring/health-checker.js: fixed DC-005 path miss —
  'require(./platform-paths)' → 'require(../../platform-paths)'

Test status: 921/922 passing. One known failure in logging.test.js
(async file-handle timing) tracked as follow-up.

dashcaddy-api/routes/openclaw.js

@@ -1,5 +1,6 @@
 const express = require('express');
 const http = require('http');
+const { ok, errorResponse, notFound, conflict } = require('../src/utils/responses');
 
 /**
  * OpenClaw management routes
@@ -94,8 +95,8 @@ module.exports = function openClawRoutes(ctx) {
         proxyRes.on('data', function(d) { res.write(d); });
         proxyRes.on('end', function() { res.end(); });
       });
-      proxyReq.on('error', function(e) { res.status(502).json({ success: false, error: e.message }); });
-      proxyReq.setTimeout(15000, function() { proxyReq.destroy(); res.status(504).json({ success: false, error: 'gateway timeout' }); });
+      proxyReq.on('error', function(e) { errorResponse(res, 502, e.message); });
+      proxyReq.setTimeout(15000, function() { proxyReq.destroy(); errorResponse(res, 504, 'gateway timeout'); });
       proxyReq.write(body);
       proxyReq.end();
     } else {
@@ -105,8 +106,8 @@ module.exports = function openClawRoutes(ctx) {
         proxyRes.on('data', function(d) { res.write(d); });
         proxyRes.on('end', function() { res.end(); });
       });
-      proxyReq.on('error', function(e) { res.status(502).json({ success: false, error: e.message }); });
-      proxyReq.setTimeout(15000, function() { proxyReq.destroy(); res.status(504).json({ success: false, error: 'gateway timeout' }); });
+      proxyReq.on('error', function(e) { errorResponse(res, 502, e.message); });
+      proxyReq.setTimeout(15000, function() { proxyReq.destroy(); errorResponse(res, 504, 'gateway timeout'); });
     }
   }
 
@@ -149,7 +150,7 @@ module.exports = function openClawRoutes(ctx) {
   router.post('/deploy', asyncHandler(async function(req, res) {
     const existing = await findOpenClawContainer();
     if (existing) {
-      return res.status(409).json({ success: false, error: 'OpenClaw is already deployed' });
+      return conflict(res, 'OpenClaw is already deployed');
     }
 
     const image = 'ghcr.io/nousresearch/openclaw:latest';
@@ -170,7 +171,7 @@ module.exports = function openClawRoutes(ctx) {
       });
     } catch(e) {
       log.error('OpenClaw pull failed: ' + e.message);
-      return res.status(500).json({ success: false, error: 'Failed to pull image: ' + e.message });
+      return errorResponse(res, 500, 'Failed to pull image: ' + e.message);
     }
 
     // Create + start container
@@ -206,7 +207,7 @@ module.exports = function openClawRoutes(ctx) {
       });
     } catch(e) {
       log.error('OpenClaw deploy failed: ' + e.message);
-      res.status(500).json({ success: false, error: 'Deploy failed: ' + e.message });
+      errorResponse(res, 500, 'Deploy failed: ' + e.message);
     }
   }));
 
@@ -214,7 +215,7 @@ module.exports = function openClawRoutes(ctx) {
 
   router.get('/proxy/*', asyncHandler(async function(req, res) {
     const container = await findOpenClawContainer();
-    if (!container) return res.status(404).json({ success: false, error: 'OpenClaw not deployed' });
+    if (!container) return notFound(res, 'OpenClaw not deployed');
 
     const token = await getGatewayToken(container.Id);
     const port = await getContainerPort(container.Id);
@@ -228,7 +229,7 @@ module.exports = function openClawRoutes(ctx) {
 
   router.post('/proxy/*', asyncHandler(async function(req, res) {
     const container = await findOpenClawContainer();
-    if (!container) return res.status(404).json({ success: false, error: 'OpenClaw not deployed' });
+    if (!container) return notFound(res, 'OpenClaw not deployed');
 
     const token = await getGatewayToken(container.Id);
     const port = await getContainerPort(container.Id);
@@ -242,7 +243,7 @@ module.exports = function openClawRoutes(ctx) {
 
   router.delete('/', asyncHandler(async function(req, res) {
     const container = await findOpenClawContainer();
-    if (!container) return res.status(404).json({ success: false, error: 'OpenClaw not deployed' });
+    if (!container) return notFound(res, 'OpenClaw not deployed');
 
     try {
       const c = docker.client.container(container.Id);
@@ -252,7 +253,7 @@ module.exports = function openClawRoutes(ctx) {
       ok(res, { message: 'OpenClaw removed' });
     } catch(e) {
       log.error('Failed to remove OpenClaw: ' + e.message);
-      res.status(500).json({ success: false, error: e.message });
+      errorResponse(res, 500, e.message);
     }
   }));