feat(ops): protect metrics, rate-limit auth, agent secret timing, e2e smoke

Bearer для /metrics (EVOBGP_METRICS_TOKEN); rate limit /v1/auth/config; constant-time agent secret; OTel stub; Playwright smoke; HTTP_PROXY note; checklist обновлён.

Co-authored-by: Cursor <cursoragent@cursor.com>

pnpm-lock.yaml

@@ -117,6 +117,9 @@ importers:
       '@eslint/js':
         specifier: ^9.0.0
         version: 9.39.4
+      '@playwright/test':
+        specifier: ^1.62.1
+        version: 1.62.1
       '@tailwindcss/vite':
         specifier: ^4.1.0
         version: 4.3.2(vite@7.3.6(@types/node@22.20.0)(jiti@2.7.0)(lightningcss@1.32.0))
@@ -770,6 +773,11 @@ packages:
   '@octokit/types@16.0.0':
     resolution: {integrity: sha512-sKq+9r1Mm4efXW1FCk7hFSeJo4QKreL/tTbR0rz/qx/r1Oa2VV83LTA/H/MuCOX7uCIJmQVRKBcbmWoySjAnSg==}
 
+  '@playwright/test@1.62.1':
+    resolution: {integrity: sha512-DTcUc8qii+cpHvtOwggMtBRMjKZHXYWdw8syRYu2vtzuq4Wxphqq4NfCs5Zt44L6mA8rfDfj+PHnxFc/FeK6mQ==}
+    engines: {node: '>=20'}
+    hasBin: true
+
   '@pnpm/config.env-replace@1.1.0':
     resolution: {integrity: sha512-htyl8TWnKL7K/ESFa1oW2UB5lVDxuF5DpM7tBi6Hu2LNL3mWkIzNLG6N4zoCUP1lCKNxWy/3iu8mS8MvToGd6w==}
     engines: {node: '>=12.22.0'}
@@ -2239,6 +2247,11 @@ packages:
     resolution: {integrity: sha512-w8ZNZr2mKIc7qeNaQ9AVPT1+iFaI+Avd4xudVOvdDJ8VytREi1Ft5Ih7hd9jjehod8vAM5GMsfQ/TpPf4EyoEA==}
     engines: {node: '>=14.14'}
 
+  fsevents@2.3.2:
+    resolution: {integrity: sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==}
+    engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
+    os: [darwin]
+
   fsevents@2.3.3:
     resolution: {integrity: sha512-5xoDfX+fL7faATnagmWPpbFtwh/R77WmMMqqHGS65C3vvB0YHrgF+B1YmZ3441tMj5n63k0212XNoJwzlhffQw==}
     engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
@@ -3124,6 +3137,16 @@ packages:
     resolution: {integrity: sha512-C+VUP+8jis7EsQZIhDYmS5qlNtjv2yP4SNtjXK9AP1ZcTRlnSfuumaTnRfYZnYgUUYVIKqL0fRvmUGDV2fmp6g==}
     engines: {node: '>=4'}
 
+  playwright-core@1.62.1:
+    resolution: {integrity: sha512-wPYSwEBJY9GHraISXqyqtx0na0LpO3XEX7jNDhntbex7tzUS7kLnZsOlFruFJB4Hi/rhDMjXGqHewDZ68nYZVw==}
+    engines: {node: '>=20'}
+    hasBin: true
+
+  playwright@1.62.1:
+    resolution: {integrity: sha512-0M+L3LAD8/nm554LOla9Ayx0j0tmFZ0FBcoQ7F1VuVHpM/XpiC8RcDzBQB8W5+hA8L22THxELzeF+2WcUzvcLg==}
+    engines: {node: '>=20'}
+    hasBin: true
+
   pluralize@8.0.0:
     resolution: {integrity: sha512-Nc3IT5yHzflTfbjgqWcCPpo7DaKy4FnpB0l/zCAW0Tc7jxAiuqSxHasntB3D7887LSrA93kDJ9IXovxJYxyLCA==}
     engines: {node: '>=4'}
@@ -4492,6 +4515,10 @@ snapshots:
     dependencies:
       '@octokit/openapi-types': 27.0.0
 
+  '@playwright/test@1.62.1':
+    dependencies:
+      playwright: 1.62.1
+
   '@pnpm/config.env-replace@1.1.0': {}
 
   '@pnpm/network.ca-file@1.0.2':
@@ -5996,6 +6023,9 @@ snapshots:
       jsonfile: 6.2.1
       universalify: 2.0.1
 
+  fsevents@2.3.2:
+    optional: true
+
   fsevents@2.3.3:
     optional: true
 
@@ -6688,6 +6718,14 @@ snapshots:
       find-up: 2.1.0
       load-json-file: 4.0.0
 
+  playwright-core@1.62.1: {}
+
+  playwright@1.62.1:
+    dependencies:
+      playwright-core: 1.62.1
+    optionalDependencies:
+      fsevents: 2.3.2
+
   pluralize@8.0.0: {}
 
   postcss@8.5.16: