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      "input_skill": "REST",
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          "rationale": null,
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      "roles_from_db": [
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          "slug": "ml-engineer",
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          "rationale": null,
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          "slug": "ml-ops-engineer",
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      "dimension": {
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        "rationale": "Architectural patterns for decomposed backend systems and the operational concerns they introduce. Covers service boundaries, consistency tradeoffs, retries, circuit breakers, and distributed coordination.",
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          "display_name": "Node.js Backend Developer",
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          "rationale": null,
          "role_archetype": "Engineering",
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          "rationale": null,
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