feat(oidc): implement OIDC authentication flow and user management

backend/package-lock.json

@@ -22,6 +22,7 @@
         "drizzle-orm": "^0.32.2",
         "fastify": "^5.0.0",
         "nodemailer": "^6.10.1",
+        "openid-client": "^6.8.1",
         "zod": "^3.23.8"
       },
       "devDependencies": {
@@ -3194,6 +3195,15 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/jose": {
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-6.1.3.tgz",
+      "integrity": "sha512-0TpaTfihd4QMNwrz/ob2Bp7X04yuxJkjRGi4aKmOqwhov54i6u79oCv7T+C7lo70MKH6BesI3vscD1yb/yzKXQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/js-base64": {
       "version": "3.7.8",
       "resolved": "https://registry.npmjs.org/js-base64/-/js-base64-3.7.8.tgz",
@@ -3452,6 +3462,15 @@
         "node": ">=6.0.0"
       }
     },
+    "node_modules/oauth4webapi": {
+      "version": "3.8.3",
+      "resolved": "https://registry.npmjs.org/oauth4webapi/-/oauth4webapi-3.8.3.tgz",
+      "integrity": "sha512-pQ5BsX3QRTgnt5HxgHwgunIRaDXBdkT23tf8dfzmtTIL2LTpdmxgbpbBm0VgFWAIDlezQvQCTgnVIUmHupXHxw==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/obliterator": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/obliterator/-/obliterator-2.0.5.tgz",
@@ -3467,6 +3486,19 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/openid-client": {
+      "version": "6.8.1",
+      "resolved": "https://registry.npmjs.org/openid-client/-/openid-client-6.8.1.tgz",
+      "integrity": "sha512-VoYT6enBo6Vj2j3Q5Ec0AezS+9YGzQo1f5Xc42lreMGlfP4ljiXPKVDvCADh+XHCV/bqPu/wWSiCVXbJKvrODw==",
+      "license": "MIT",
+      "dependencies": {
+        "jose": "^6.1.0",
+        "oauth4webapi": "^3.8.2"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
+    },
     "node_modules/package-json-from-dist": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/package-json-from-dist/-/package-json-from-dist-1.0.1.tgz",