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      "matched_via": "alias"
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      "alias_persist_skipped_reason": "TODO: REMOVE AFTER TESTING \u2014 alias DB write disabled",
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        {
          "display_name": "Native Mobile Developer",
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          "rationale": null,
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          "slug": "native-mobile-developer",
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        },
        {
          "display_name": "Web Developer",
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          "rationale": null,
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        {
          "display_name": "iOS Developer",
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      ]
    },
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      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Backend Authentication and Authorization",
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        "rationale": "Identity and access control mechanisms used by backend services to authenticate users or clients and enforce permissions on protected resources. This includes token and session handling, OAuth 2.0 / OpenID Connect / SAML flows, JWT and access tokens, API keys, MFA, role- or claim-based authorization, RBAC/ABAC, scopes, policies, Spring Security, and authorization filters.",
        "slug": "backend-authentication-and-authorization",
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      "input_skill": "OAuth 2.0",
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      "roles_from_db": [
        {
          "display_name": "Kotlin Backend Developer",
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          "display_name": "Ruby Backend Developer",
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          "display_name": "Scala Backend Developer",
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    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Frontend Authentication and Session Management",
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        "rationale": "Client-side authentication and session management for frontend applications, including sign-in flows, OAuth 2.0/OpenID Connect/SSO integration, JWT and refresh token handling, login forms, protected routes, session persistence, and session-expiry user experience. This covers the user-facing parts of identity workflows implemented in React or other frontend stacks, but excludes identity provider administration, backend authorization policy, secret storage on servers, and MFA device management.",
        "slug": "frontend-authentication-and-session-management",
        "source": "db"
      },
      "input_skill": "OAuth 2.0",
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      "roles_from_db": [
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          "display_name": "React Frontend Developer",
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          "role_archetype": "Engineering",
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