feat(infra): p6 hardening - observability and deploy compose

- 5 NestJS services add /metrics endpoint via app.getHttpAdapter()
- prometheus.yml scales to 8 services with rule_files and alertmanager
- monitoring compose replaces blackbox with Loki+Promtail
- Grafana datasource adds Loki
- docker-compose.deploy.yml scales to 11 services
- deploy.env.example completes Neo4j/ES/ClickHouse/LLM vars
- teacher-bff adds health.controller
- CI removes continue-on-error on lint step
- teacher-portal lint script changed to eslint src

pnpm-lock.yaml

@@ -69,6 +69,9 @@ importers:
       autoprefixer:
         specifier: ^10.4.0
         version: 10.5.2(postcss@8.5.16)
+      eslint:
+        specifier: ^9.0.0
+        version: 9.39.4(jiti@1.21.7)
       postcss:
         specifier: ^8.4.0
         version: 8.5.16
@@ -5906,6 +5909,11 @@ snapshots:
   '@esbuild/win32-x64@0.28.1':
     optional: true
 
+  '@eslint-community/eslint-utils@4.9.1(eslint@9.39.4(jiti@1.21.7))':
+    dependencies:
+      eslint: 9.39.4(jiti@1.21.7)
+      eslint-visitor-keys: 3.4.3
+
   '@eslint-community/eslint-utils@4.9.1(eslint@9.39.4(jiti@2.6.1))':
     dependencies:
       eslint: 9.39.4(jiti@2.6.1)
@@ -8306,6 +8314,47 @@ snapshots:
 
   eslint-visitor-keys@5.0.1: {}
 
+  eslint@9.39.4(jiti@1.21.7):
+    dependencies:
+      '@eslint-community/eslint-utils': 4.9.1(eslint@9.39.4(jiti@1.21.7))
+      '@eslint-community/regexpp': 4.12.2
+      '@eslint/config-array': 0.21.2
+      '@eslint/config-helpers': 0.4.2
+      '@eslint/core': 0.17.0
+      '@eslint/eslintrc': 3.3.5
+      '@eslint/js': 9.39.4
+      '@eslint/plugin-kit': 0.4.1
+      '@humanfs/node': 0.16.8
+      '@humanwhocodes/module-importer': 1.0.1
+      '@humanwhocodes/retry': 0.4.3
+      '@types/estree': 1.0.9
+      ajv: 6.15.0
+      chalk: 4.1.2
+      cross-spawn: 7.0.6
+      debug: 4.4.3
+      escape-string-regexp: 4.0.0
+      eslint-scope: 8.4.0
+      eslint-visitor-keys: 4.2.1
+      espree: 10.4.0
+      esquery: 1.7.0
+      esutils: 2.0.3
+      fast-deep-equal: 3.1.3
+      file-entry-cache: 8.0.0
+      find-up: 5.0.0
+      glob-parent: 6.0.2
+      ignore: 5.3.2
+      imurmurhash: 0.1.4
+      is-glob: 4.0.3
+      json-stable-stringify-without-jsonify: 1.0.1
+      lodash.merge: 4.6.2
+      minimatch: 3.1.5
+      natural-compare: 1.4.0
+      optionator: 0.9.4
+    optionalDependencies:
+      jiti: 1.21.7
+    transitivePeerDependencies:
+      - supports-color
+
   eslint@9.39.4(jiti@2.6.1):
     dependencies:
       '@eslint-community/eslint-utils': 4.9.1(eslint@9.39.4(jiti@2.6.1))