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    },
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        "rationale": "Primary implementation languages for Android app features, platform integration, and client-side business logic. Android engineers use these languages to build screens, state flows, service adapters, and device-aware behavior.",
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      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Pega Programming Languages \u0026 DSLs",
        "id": 267,
        "rationale": "Programming languages and domain-specific languages used in Pega development.",
        "slug": "pega-programming-languages-dsls",
        "source": "db"
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      ]
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    },
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        "rationale": "Primary implementation languages for native iOS app features, platform APIs, and client-side business logic. This is the core coding surface for building and maintaining iPhone and iPad experiences.",
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      ]
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        "rationale": "Identity and access control mechanisms used by backend services to protect resources and enforce permissions. Includes session handling, token-based auth, and role or policy enforcement.",
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        }
      ]
    },
    {
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        "difficulty_hint": "well_known",
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        "rationale": "Client-side identity flows and secure session management used to sign users in and keep them authenticated. This includes token handling, login UX, and protecting secrets on device.",
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          "slug": "android-engineer",
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        },
        {
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        {
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      ]
    },
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        "rationale": "Integrates Google-provided SDKs and Firebase services for analytics, remote configuration, data storage, authentication, billing, and mapping.",
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        "source": "db"
      },
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      ]
    },
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          "slug": "hybrid-mobile-developer",
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        {
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      "input_skill": "Room",
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          "slug": "hybrid-mobile-developer",
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        {
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      ]
    },
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        "rationale": "Mechanisms for receiving, presenting, and acting on remote notifications and message-driven entry points on iOS. This cluster is distinct because notifications affect app engagement, deep linking, and background updates.",
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        "source": "db"
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      "input_skill": "Firebase Cloud Messaging",
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        {
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        }
      ]
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        {
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      ]
    },
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        "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
        "slug": "d_init_01",
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      "input_skill": "Git",
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    },
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        "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
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    },
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        "rationale": "Knowledge of major mobile vendor platforms and their services for app distribution, testing, and analytics.",
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        "source": "db"
      },
      "input_skill": "App Store",
      "llm_role": null,
      "roles_from_db": [
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          "display_name": "Hybrid Mobile Developer",
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          "rationale": null,
          "role_archetype": null,
          "slug": "hybrid-mobile-developer",
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        }
      ]
    },
    {
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        "difficulty_hint": "well_known",
        "display_name": "Mobile Vendor Platforms",
        "id": 172,
        "rationale": "Knowledge of major mobile vendor platforms and their services for app distribution, testing, and analytics.",
        "slug": "mobile-vendor-platforms",
        "source": "db"
      },
      "input_skill": "Play Store",
      "llm_role": null,
      "roles_from_db": [
        {
          "display_name": "Hybrid Mobile Developer",
          "id": 11,
          "rationale": null,
          "role_archetype": null,
          "slug": "hybrid-mobile-developer",
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        }
      ]
    },
    {
      "dimension": {
        "difficulty_hint": "well_known",
        "display_name": "Cloud Platforms",
        "id": 20,
        "rationale": "Underlying cloud providers that host the managed services or infrastructure used by the role, such as AWS, Azure, and GCP.",
        "slug": "cloud-platforms",
        "source": "db"
      },
      "input_skill": "AWS",
      "llm_role": null,
      "roles_from_db": [
        {
          "display_name": "Backend Developer",
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          "rationale": null,
          "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
          "slug": "backend-engineer",
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        {
          "display_name": "Cybersecurity Engineer",
          "id": 5,
          "rationale": null,
          "role_archetype": null,
          "slug": "cybersecurity-engineer",
          "source": "db"
        },
        {
          "display_name": "Data Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "pega-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 11,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
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          "difficulty_hint": "well_known",
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          "id": 271,
          "rationale": "Standards and protocols for integrating Pega applications.",
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          "source": "db"
        },
        "dimension_id": 271,
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        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Pega Developer",
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            "role_archetype": null,
            "slug": "pega-developer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 1984,
        "skill_tag": "in_db",
        "skipped_reason": null
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          "difficulty_hint": "well_known",
          "display_name": "API Design and Contracts",
          "id": 3,
          "rationale": "Designing request/response shapes and the rules that govern client-server interaction. This cluster is coherent because full stack engineers often own the contract between UI behavior and backend implementation.",
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          "source": "db"
        },
        "dimension_id": 3,
        "input_skill": "GraphQL",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "roles_from_db": [
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            "display_name": "Backend Developer",
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            "slug": "backend-engineer",
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          {
            "display_name": "Fullstack Developer",
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            "slug": "full-stack-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 12,
        "skill_tag": "in_db",
        "skipped_reason": null
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        "chosen_role_id": 11,
        "dimension": {
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          "display_name": "Authentication and Authorization",
          "id": 6,
          "rationale": "Identity and access control mechanisms used by backend services to protect resources and enforce permissions. Includes session handling, token-based auth, and role or policy enforcement.",
          "slug": "authentication-and-authorization",
          "source": "db"
        },
        "dimension_id": 6,
        "input_skill": "JWT",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Backend Developer",
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            "rationale": null,
            "role_archetype": "A Backend Engineer designs, builds, and maintains the server-side logic and data handling that power applications and services. They focus on implementing reliable business functionality, integrating with other systems, and ensuring the backend is scalable, maintainable, and observable.",
            "slug": "backend-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 28,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Authentication and Session Handling",
          "id": 86,
          "rationale": "Client-side identity flows and secure session management used to sign users in and keep them authenticated. This includes token handling, login UX, and protecting secrets on device.",
          "slug": "authentication-and-session-handling",
          "source": "db"
        },
        "dimension_id": 86,
        "input_skill": "JWT",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Android Engineer",
            "id": 4,
            "rationale": null,
            "role_archetype": null,
            "slug": "android-engineer",
            "source": "db"
          },
          {
            "display_name": "Frontend Developer",
            "id": 7,
            "rationale": null,
            "role_archetype": null,
            "slug": "frontend-engineer",
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          {
            "display_name": "Fullstack Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "full-stack-engineer",
            "source": "db"
          },
          {
            "display_name": "Hybrid Mobile Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "hybrid-mobile-developer",
            "source": "db"
          },
          {
            "display_name": "IOS Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "ios-engineer",
            "source": "db"
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        ],
        "skill_dimension_saved": true,
        "skill_id": 28,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Google \u0026 Firebase Services",
          "id": 165,
          "rationale": "Integrates Google-provided SDKs and Firebase services for analytics, remote configuration, data storage, authentication, billing, and mapping.",
          "slug": "google-firebase-services",
          "source": "db"
        },
        "dimension_id": 165,
        "input_skill": "Firebase Auth",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Skipped \u2014 no persistable v3 meta for new skill",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Android Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "android-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": false,
        "skill_id": null,
        "skill_tag": "new",
        "skipped_reason": "skill_not_in_db_v3_proposed"
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Local Persistence and Offline Behavior",
          "id": 85,
          "rationale": "On-device storage used for caching, offline support, and durable client state. This cluster is coherent because iOS apps often need to preserve user progress and data when connectivity is limited.",
          "slug": "local-persistence-and-offline-behavior",
          "source": "db"
        },
        "dimension_id": 85,
        "input_skill": "SQLite",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Android Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "android-engineer",
            "source": "db"
          },
          {
            "display_name": "Hybrid Mobile Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "hybrid-mobile-developer",
            "source": "db"
          },
          {
            "display_name": "IOS Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "ios-engineer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 460,
        "skill_tag": "in_db",
        "skipped_reason": null
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      {
        "chosen_role_id": 11,
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          "difficulty_hint": "well_known",
          "display_name": "Local Persistence and Offline Behavior",
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          "rationale": "On-device storage used for caching, offline support, and durable client state. This cluster is coherent because iOS apps often need to preserve user progress and data when connectivity is limited.",
          "slug": "local-persistence-and-offline-behavior",
          "source": "db"
        },
        "dimension_id": 85,
        "input_skill": "Room",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
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            "display_name": "Android Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "android-engineer",
            "source": "db"
          },
          {
            "display_name": "Hybrid Mobile Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "hybrid-mobile-developer",
            "source": "db"
          },
          {
            "display_name": "IOS Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "ios-engineer",
            "source": "db"
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        ],
        "skill_dimension_saved": true,
        "skill_id": 938,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Push Notifications and Messaging",
          "id": 88,
          "rationale": "Mechanisms for receiving, presenting, and acting on remote notifications and message-driven entry points on iOS. This cluster is distinct because notifications affect app engagement, deep linking, and background updates.",
          "slug": "push-notifications-and-messaging",
          "source": "db"
        },
        "dimension_id": 88,
        "input_skill": "Firebase Cloud Messaging",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
          {
            "display_name": "Android Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "android-engineer",
            "source": "db"
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          {
            "display_name": "Hybrid Mobile Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "hybrid-mobile-developer",
            "source": "db"
          },
          {
            "display_name": "IOS Engineer",
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            "rationale": null,
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            "slug": "ios-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 948,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
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          "rationale": "Mechanisms for receiving, presenting, and acting on remote notifications and message-driven entry points on iOS. This cluster is distinct because notifications affect app engagement, deep linking, and background updates.",
          "slug": "push-notifications-and-messaging",
          "source": "db"
        },
        "dimension_id": 88,
        "input_skill": "APNs",
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        "matched_chosen_role": true,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension saved",
        "role_dimension_saved": true,
        "roles_from_db": [
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            "display_name": "Android Engineer",
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            "role_archetype": null,
            "slug": "android-engineer",
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            "display_name": "Hybrid Mobile Developer",
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            "role_archetype": null,
            "slug": "hybrid-mobile-developer",
            "source": "db"
          },
          {
            "display_name": "IOS Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "ios-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 474,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "React Frontend Development",
          "id": 96,
          "rationale": "Building interactive web user interfaces with React.js, including component composition, state management, hooks, and rendering patterns. React.js belongs here because it is a core library for client-side UI development in modern web applications.",
          "slug": "d_init_01",
          "source": "db"
        },
        "dimension_id": 96,
        "input_skill": "Git",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [],
        "skill_dimension_saved": true,
        "skill_id": 1002,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
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          "difficulty_hint": "well_known",
          "display_name": "CI/CD Pipeline Platforms",
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          "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
          "slug": "ci-cd-pipeline-platforms",
          "source": "db"
        },
        "dimension_id": 150,
        "input_skill": "GitHub",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "DevOps Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "devops-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 280,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "CI/CD for Machine Learning",
          "id": 56,
          "rationale": "Tools and platforms for automating ML model integration, testing, and deployment pipelines.",
          "slug": "ci-cd-for-machine-learning",
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        },
        "dimension_id": 56,
        "input_skill": "GitHub",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "ML Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "ml-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 280,
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          "display_name": "CI/CD Pipeline Platforms",
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          "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
          "slug": "ci-cd-pipeline-platforms",
          "source": "db"
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        "dimension_id": 150,
        "input_skill": "GitLab",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
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        "roles_from_db": [
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        ],
        "skill_dimension_saved": true,
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        "skill_tag": "in_db",
        "skipped_reason": null
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      {
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          "rationale": "Tools and platforms for automating ML model integration, testing, and deployment pipelines.",
          "slug": "ci-cd-for-machine-learning",
          "source": "db"
        },
        "dimension_id": 56,
        "input_skill": "GitLab",
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        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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            "display_name": "ML Engineer",
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            "slug": "ml-engineer",
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        ],
        "skill_dimension_saved": true,
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        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
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          "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
          "slug": "ci-cd-pipeline-platforms",
          "source": "db"
        },
        "dimension_id": 150,
        "input_skill": "CI/CD",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
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            "display_name": "DevOps Engineer",
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            "role_archetype": null,
            "slug": "devops-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 1190,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
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          "difficulty_hint": "well_known",
          "display_name": "CI/CD for Machine Learning",
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          "rationale": "Tools and platforms for automating ML model integration, testing, and deployment pipelines.",
          "slug": "ci-cd-for-machine-learning",
          "source": "db"
        },
        "dimension_id": 56,
        "input_skill": "CI/CD",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "ML Engineer",
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            "rationale": null,
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            "slug": "ml-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 1190,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "CI/CD Pipeline Platforms",
          "id": 150,
          "rationale": "Systems used to define, run, and maintain automated build and deployment workflows. This cluster is coherent because the role owns delivery automation end to end, including pipeline reliability and promotion logic.",
          "slug": "ci-cd-pipeline-platforms",
          "source": "db"
        },
        "dimension_id": 150,
        "input_skill": "GitHub Actions",
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        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "DevOps Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "devops-engineer",
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        ],
        "skill_dimension_saved": true,
        "skill_id": 281,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "CI/CD for Machine Learning",
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          "rationale": "Tools and platforms for automating ML model integration, testing, and deployment pipelines.",
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        "dimension_id": 56,
        "input_skill": "GitHub Actions",
        "llm_role": null,
        "matched_chosen_role": false,
        "outcome_line": "Existing dimension (library) \u00b7 Role\u2194dimension skipped (dimension not under chosen role)",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "ML Engineer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "ml-engineer",
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          }
        ],
        "skill_dimension_saved": true,
        "skill_id": 281,
        "skill_tag": "in_db",
        "skipped_reason": null
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Mobile Vendor Platforms",
          "id": 172,
          "rationale": "Knowledge of major mobile vendor platforms and their services for app distribution, testing, and analytics.",
          "slug": "mobile-vendor-platforms",
          "source": "db"
        },
        "dimension_id": 172,
        "input_skill": "App Store",
        "llm_role": null,
        "matched_chosen_role": true,
        "outcome_line": "Skipped \u2014 no persistable v3 meta for new skill",
        "role_dimension_saved": false,
        "roles_from_db": [
          {
            "display_name": "Hybrid Mobile Developer",
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            "rationale": null,
            "role_archetype": null,
            "slug": "hybrid-mobile-developer",
            "source": "db"
          }
        ],
        "skill_dimension_saved": false,
        "skill_id": null,
        "skill_tag": "new",
        "skipped_reason": "skill_not_in_db_v3_proposed"
      },
      {
        "chosen_role_id": 11,
        "dimension": {
          "difficulty_hint": "well_known",
          "display_name": "Mobile Vendor Platforms",
          "id": 172,
          "rationale": "Knowledge of major mobile vendor platforms and their services for app distribution, testing, and analytics.",
          "slug": "mobile-vendor-platforms",
          "source": "db"
        },
        "dimension_id": 172,
        "input_skill": "Play Store",
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