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Pipeline run

91c876e6-8c2b-4a78-b167-fad7f35dadbc

Pipeline LLM cost (USD)
API 1: $0.0095 API 2: $0.0002 API 3: $0.0000 Total: $0.0097

Client output enrichment

v2 Skill cluster · Nature of work · AI index · Tech stack maturity · Evidence · KRA description
SPARSE JD role baseline loaded sources · ai_index: role_baseline · nature_of_work: jd · tech_stack_maturity: jd
Nature of work · Accessible interface implementation
Build accessible React/TypeScript components, evolve the design system, partner with UX on responsive layouts, and add Playwright E2E coverage while tuning Core Web Vitals.
"Build accessible, performant React components."
Tech stack maturity
Mainstream Modern cache hit
React, TypeScript, and Playwright are widely adopted modern frontend technologies, indicating a mainstream modern stack.
AI index (0 = no AI use, 5 = totally AI-dependent · v2.1)
1.20 / 5
· Title match
· Has AI skill
· AI skill (primary)
· AI skill (secondary)
· On AI team
· Builds AI products
vocab breakdown (legacy)
Assistants (×1):
Frameworks (×2):
Models / concepts (×3):
Evidence — skills matched in JD (3)
React TypeScript Playwright
Skill cluster (3 dimension groups, role-scoped)
Frontend Testing and E2E Automation
Playwright
JavaScript and TypeScript
TypeScript
UI Frameworks and Rendering
React
Show KRA description ↓
- Build accessible, performant React components. - Maintain and evolve our design system. - Collaborate with UX on responsive layouts. - Implement E2E tests with Playwright. - Optimize Core Web Vitals. React, TypeScript, accessibility, design systems, Playwright.

Signals

Skill full-stack-engineer
1.00
Alias frontend-engineer
1.00
KRA frontend-engineer
0.65

Post-classification

Centroidupdated · n=49
Alias collision log
New-role queue
New skills captured0
New KRA captured
Status: completed Created: 2026-05-25T22:25:32.726175Z Updated: 2026-05-25T22:25:40.927642Z API 3 duration: 3030 ms
Flow Current 3-step pipeline

1 POST /skills/extract-from-jd

2 POST /skills/extract-details

3 POST /skills/final-role-output

Role Chosen role & resolution

Frontend Developer

React Frontend Developer

sub-role · 0.99 domain · Software Engineering CASE DOMAIN

slug: frontend-engineer · id: 7 · source: db · sub-role slug: react-frontend-developer

The primary skills of React, TypeScript, and Playwright are core to frontend development.

Matched skills

ReactTypeScriptaccessibilitydesign systemsPlaywrightCore Web Vitalsresponsive layoutsE2E tests

Matched dimensions

Frontend UI DevelopmentAccessible Web DevelopmentDesign System MaintenanceResponsive Web DesignEnd-to-End Test AutomationWeb Performance Optimization

Matched KRAs

Build accessible, performant React componentsMaintain and evolve our design systemCollaborate with UX on responsive layoutsImplement E2E tests with PlaywrightOptimize Core Web Vitals

Resolution: in_db — role exists in library; skill↔dim and role↔dim links saved when applicable.

0
New skills
0
Skill↔dim saved
0
Role↔dim saved
0
Skipped

Job description

Frontend Developer

Responsibilities:
- Build accessible, performant React components.
- Maintain and evolve our design system.
- Collaborate with UX on responsive layouts.
- Implement E2E tests with Playwright.
- Optimize Core Web Vitals.

Skills: React, TypeScript, accessibility, design systems, Playwright.

Skills from this JD

Each row merges API 1 extraction, API 2 library match / v3 orchestration (dimensions + locked dims), and API 3 persistence tags.

React Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: React id=610 · react

Aliases — catalog

  • React (CANONICAL) primary
  • React 0.13 (VERSION)
  • React 0.14 (VERSION)
  • React 15 (VERSION)
  • React 15.x (VERSION)
  • React 16 (VERSION)
  • React 16.x (VERSION)
  • React 17 (VERSION)
  • React 17.x (VERSION)
  • React 18 (VERSION)
  • React 18.x (VERSION)
  • React 19 (VERSION)
  • React v15 (VERSION)
  • React v16 (VERSION)
  • React v17 (VERSION)
  • React v18 (VERSION)
  • React v19 (VERSION)
  • ReactJS 18 (VERSION)
  • react 15 (VERSION)
  • react 16 (VERSION)
  • react 17 (VERSION)
  • react 18 (VERSION)
  • react 19 (VERSION)
  • react15 (VERSION)
  • react16 (VERSION)
  • react17 (VERSION)
  • react18 (VERSION)
  • react19 (VERSION)
  • reactjs 18 (VERSION)

Context tags (catalog)

Babel Class Components Component Lifecycle Context API Functional Components Higher-Order Components Hooks JSX Next.js PropTypes Props React Native React Router Redux SSR State Management Styled Components Testing Library TypeScript Virtual DOM Webpack component lifecycle context API frontend hooks props state management useEffect useState virtual DOM

Stored enrichment (catalog DB)

Category
Framework
Sub-category
Frontend Framework
Vendor
Meta
License
mit
Year introduced
2013
Confidence
0.98
Version strategy
SEPARATE_ENTITY
Version tag
18

Maturity reasoning: React appears in high-volume frontend job postings across startups and enterprises and remains a default hiring-pipeline skill, with strong GitHub/npm usage and ecosystem activity.

Skill profile (library / DB)

Skill nature
FRAMEWORK
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
5
Sub-category id
1072
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • UI Frameworks and Rendering Catalog dimension db id 115

    Library dimension (catalog)

    Roles linked in library: Frontend Developer, Fullstack Developer, Hybrid Mobile Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
UI Frameworks and Rendering
ui-frameworks-and-rendering
Existing dimension (library) · Role↔dimension saved
TypeScript Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: TypeScript id=524 · typescript

Aliases — catalog

  • TypeScript (CANONICAL) primary
  • TypeScript 5 (VERSION)
  • TypeScript 5.x (VERSION)
  • ts (VERSION)
  • ts5 (VERSION)
  • typescript 5 (VERSION)
  • typescript 5.x (VERSION)
  • typescript5 (VERSION)

Context tags (catalog)

Angular Async/Await Decorator Deno ESLint Generics GraphQL Interfaces JavaScript Jest NestJS Next.js Node.js Promise React Redux RxJS TypeORM Vite Vue Vue.js Webpack async/await decorators generics interfaces module resolution npm strict mode tsconfig type annotations type guards type inference type safety yarn

Stored enrichment (catalog DB)

Category
Language
Sub-category
Programming Language
Vendor
Microsoft
License
apache_2
Year introduced
2012
Confidence
0.99
Version strategy
NOT_APPLICABLE

Maturity reasoning: TypeScript is a hiring-pipeline staple: it appears in a large share of modern web/frontend and Node.js job descriptions, and major frameworks like Angular and Next.js recommend it by default.

Skill profile (library / DB)

Skill nature
LANGUAGE
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
6
Sub-category id
96
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Cross-Platform App Languages Catalog dimension db id 167

    Library dimension (catalog)

    Roles linked in library: Hybrid Mobile Developer

  • JavaScript and TypeScript Catalog dimension db id 114

    Library dimension (catalog)

    Roles linked in library: Frontend Developer

  • Programming Languages Catalog dimension db id 1

    Library dimension (catalog)

    Roles linked in library: Backend Developer, Fullstack Developer

  • Programming Languages for XR Catalog dimension db id 97

    Library dimension (catalog)

    Roles linked in library: AR/VR Engineer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Cross-Platform App Languages
cross-platform-app-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
JavaScript and TypeScript
javascript-and-typescript
Existing dimension (library) · Role↔dimension saved
Programming Languages
programming-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Programming Languages for XR
programming-languages-for-xr
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Playwright Primary Library skill API 3: existing canonical (in_db) Existing skill (matched library)
Canonical: Playwright id=654 · playwright

Aliases — catalog

  • Playwright (CANONICAL) primary
  • playwright (VERSION)
  • playwright 1 (VERSION)
  • playwright v1 (VERSION)
  • pw (VERSION)
  • pw 1 (VERSION)

Context tags (catalog)

API testing CI/CD CI/CD integration JavaScript JavaScript testing TypeScript browser automation cross-browser element selectors end-to-end testing fixture management fixtures headless headless mode locator locator strategies mocking network interception page object model parallel execution parallelization screenshot screenshot testing selectors test fixtures test isolation test runner test scripts trace viewer video recording visual regression web automation

Stored enrichment (catalog DB)

Category
Tool
Sub-category
Testing Tool
Vendor
Microsoft
License
mit
Year introduced
2019
Confidence
0.98
Version strategy
NOT_APPLICABLE

Maturity reasoning: Playwright appears frequently in QA/SDET and frontend job descriptions and is widely adopted for cross-browser E2E testing, with strong GitHub activity and vendor-backed releases from Microsoft.

Skill profile (library / DB)

Skill nature
TOOL
Volatility
STABLE
Typical lifespan
EVERGREEN
Category id
13
Sub-category id
507
Extractable
True
Also category
False

Dimensions (API 2 worklist)

  • Frontend Testing and E2E Automation Catalog dimension db id 122

    Library dimension (catalog)

    Roles linked in library: Frontend Developer

  • Testing and Integration Validation Catalog dimension db id 217

    Library dimension (catalog)

    Roles linked in library: Fullstack Developer

API 3 link attempts (this skill)

Dimension Skill↔dim Role↔dim Outcome
Frontend Testing and E2E Automation
frontend-testing-and-e2e-automation
Existing dimension (library) · Role↔dimension saved
Testing and Integration Validation
testing-and-integration-validation
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

All API 3 persistence rows

Same grid as the skill-extractor “Persistence items” table: one row per (skill × dimension) work item.

Skill Tag Dimension Skill↔dim Role↔dim Outcome Notes
React in_db
UI Frameworks and Rendering
ui-frameworks-and-rendering
Existing dimension (library) · Role↔dimension saved
TypeScript in_db
Cross-Platform App Languages
cross-platform-app-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
TypeScript in_db
JavaScript and TypeScript
javascript-and-typescript
Existing dimension (library) · Role↔dimension saved
TypeScript in_db
Programming Languages
programming-languages
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
TypeScript in_db
Programming Languages for XR
programming-languages-for-xr
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)
Playwright in_db
Frontend Testing and E2E Automation
frontend-testing-and-e2e-automation
Existing dimension (library) · Role↔dimension saved
Playwright in_db
Testing and Integration Validation
testing-and-integration-validation
Existing dimension (library) · Role↔dimension skipped (dimension not under chosen role)

Library artifacts (this run)

No artifact rows for this run.
nano JD Parser — gpt-4.1-nano click to toggle
RoleFrontend Developer
DomainOther
JD type pass
Show raw JSON
{
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  "about_company": null,
  "certifications": [],
  "company_name": null,
  "ctc": null,
  "domain": {
    "primary": {
      "aliases": [],
      "domain": "Other"
    },
    "secondary": null
  },
  "education": [],
  "experience": {
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    "min": null,
    "raw": null
  },
  "job_locations": [],
  "role": "Frontend Developer",
  "role_aliases": [
    "Frontend Engineer",
    "Frontend Developer",
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  "role_archetype": "Engineering",
  "roles_and_responsibilities": [
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      "bullet_count": 5,
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      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "Build accessible, performant React components.",
        "last_5_words": "Optimize Core Web Vitals."
      },
      "text": "- Build accessible, performant React components.\n- Maintain and evolve our design system.\n- Collaborate with UX on responsive layouts.\n- Implement E2E tests with Playwright.\n- Optimize Core Web Vitals.",
      "word_count": 34
    },
    {
      "bullet_count": 0,
      "heading": "Skills",
      "heading_was_present": true,
      "source_marker": {
        "first_5_words": "React, TypeScript, accessibility, design",
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      },
      "text": "React, TypeScript, accessibility, design systems, Playwright.",
      "word_count": 8
    }
  ],
  "urls": []
}
API 1 — extract-from-jd click to toggle
{
  "final_skills": [
    {
      "is_primary": true,
      "skill_name": "React"
    },
    {
      "is_primary": true,
      "skill_name": "TypeScript"
    },
    {
      "is_primary": true,
      "skill_name": "Playwright"
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  ],
  "jd_role": {
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    "rationale": null,
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      "Frontend Developer",
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    "slug": ""
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  "nano_parsed": {
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    "about_company": null,
    "certifications": [],
    "company_name": null,
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    "domain": {
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    "experience": {
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    },
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    "roles_and_responsibilities": [
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        "word_count": 34
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      {
        "bullet_count": 0,
        "heading": "Skills",
        "heading_was_present": true,
        "source_marker": {
          "first_5_words": "React, TypeScript, accessibility, design",
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        "word_count": 8
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    ],
    "urls": []
  },
  "rejected": false,
  "rejection_reason": null,
  "run_id": "91c876e6-8c2b-4a78-b167-fad7f35dadbc",
  "stage3_signals": {
    "alias_found": true,
    "alias_match_roles": [
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        "matched_count": null,
        "matched_skills": null,
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    ],
    "kra_match_roles": [
      {
        "display_name": "Frontend Developer",
        "kra_matches": [
          {
            "kra_text": "Collaborates with UX designers to refine interaction details, animations, responsive breakpoints, and micro-interaction behavior.",
            "sentence": "Collaborate with UX on responsive layouts.",
            "similarity": 0.7383
          },
          {
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            "sentence": "Build accessible, performant React components.",
            "similarity": 0.6235
          },
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        "matched_count": null,
        "matched_skills": null,
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        "total_count": null
      },
      {
        "display_name": "Fullstack Developer",
        "kra_matches": [
          {
            "kra_text": "Works closely with product managers and UX designers to translate requirements and wireframes into working software features through iterative development.",
            "sentence": "Collaborate with UX on responsive layouts.",
            "similarity": 0.5627
          },
          {
            "kra_text": "Builds and integrates client-side React or Vue components with server-side Node.js or Django APIs, managing bidirectional data flow across frontend and backend layers.",
            "sentence": "Build accessible, performant React components.",
            "similarity": 0.5536
          },
          {
            "kra_text": "Builds and integrates client-side React or Vue components with server-side Node.js or Django APIs, managing bidirectional data flow across frontend and backend layers.",
            "sentence": "React, TypeScript, accessibility, design systems, Playwright.",
            "similarity": 0.4325
          }
        ],
        "matched_count": null,
        "matched_skills": null,
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        "score": 0.5163,
        "slug": "full-stack-engineer",
        "total_count": null
      },
      {
        "display_name": "Hybrid Mobile Developer",
        "kra_matches": [
          {
            "kra_text": "Optimizes React Native or Flutter app startup time, list rendering performance, image caching, and memory consumption.",
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          },
          {
            "kra_text": "Optimizes React Native or Flutter app startup time, list rendering performance, image caching, and memory consumption.",
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          },
          {
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          }
        ],
        "matched_count": null,
        "matched_skills": null,
        "role_id": 11,
        "score": 0.4719,
        "slug": "hybrid-mobile-developer",
        "total_count": null
      },
      {
        "display_name": "Pega Developer",
        "kra_matches": [
          {
            "kra_text": "user interaction design and refinement",
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          },
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          },
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        "matched_count": null,
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        "role_id": 24,
        "score": 0.3998,
        "slug": "pega-developer",
        "total_count": null
      },
      {
        "display_name": "iOS Developer",
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          },
          {
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          }
        ],
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        "role_id": 6,
        "score": 0.3965,
        "slug": "ios-engineer",
        "total_count": null
      }
    ],
    "skill_match_roles": [
      {
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      {
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        "total_count": 3
      },
      {
        "display_name": "Hybrid Mobile Developer",
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      },
      {
        "display_name": "Backend Developer",
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          "TypeScript"
        ],
        "role_id": 1,
        "score": 0.3333,
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        "total_count": 3
      },
      {
        "display_name": "AR/VR Engineer",
        "kra_matches": null,
        "matched_count": 1,
        "matched_skills": [
          "TypeScript"
        ],
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        "score": 0.3333,
        "slug": "ar-vr-engineer",
        "total_count": 3
      }
    ]
  },
  "stage4_decision": {
    "alias_collision_detected": false,
    "case": "DOMAIN",
    "chosen_role": {
      "display_name": "Frontend Developer",
      "kra_matches": null,
      "matched_count": null,
      "matched_skills": null,
      "role_id": 7,
      "score": 0.99,
      "slug": "frontend-engineer",
      "total_count": null
    },
    "confidence": 0.99,
    "is_new_role": false,
    "llm2_fired": false,
    "llm2_reasoning": null,
    "matched_dimensions": [
      "Frontend UI Development",
      "Accessible Web Development",
      "Design System Maintenance",
      "Responsive Web Design",
      "End-to-End Test Automation",
      "Web Performance Optimization"
    ],
    "matched_kras": [
      "Build accessible, performant React components",
      "Maintain and evolve our design system",
      "Collaborate with UX on responsive layouts",
      "Implement E2E tests with Playwright",
      "Optimize Core Web Vitals"
    ],
    "matched_skills": [
      "React",
      "TypeScript",
      "accessibility",
      "design systems",
      "Playwright",
      "Core Web Vitals",
      "responsive layouts",
      "E2E tests"
    ],
    "new_role_display_name": null,
    "new_role_slug": null,
    "queued": false,
    "reasoning": "Domain=Software Engineering \u2192 sub-role react-frontend-developer; The JD is clearly focused on React-based UI development, design systems, accessibility, responsive layouts, testing, and web performance, which best matches a Frontend Developer role.",
    "sub_role": {
      "confidence": 0.99,
      "display_name": "React Frontend Developer",
      "reasoning": "The JD explicitly centers on React components, TypeScript, and Playwright, which strongly matches the React-specific frontend role.",
      "role_id": 89,
      "slug": "react-frontend-developer"
    }
  },
  "stage5_updates": {
    "centroid_n_after": 49,
    "centroid_updated": true,
    "collision_log_id": null,
    "new_kra_attached": null,
    "new_skills_attached": [],
    "queue_entry_id": null,
    "v3_pipeline_triggered": false,
    "v3_role_slug": null,
    "v3_run_id": null
  }
}
API 2 — extract-details
{
  "alias_matches": [
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 1047,
      "existing_alias_text": "React",
      "input_term": "React",
      "matched_canonical": {
        "category_id": 5,
        "display_name": "React",
        "id": 610,
        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "FRAMEWORK",
        "slug": "react",
        "sub_category_id": 1072,
        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "matched_via": "alias"
    },
    {
      "alias_persist_skipped_reason": "alias_text already exists for this canonical skill",
      "alias_persisted": false,
      "existing_alias_id": 914,
      "existing_alias_text": "TypeScript",
      "input_term": "TypeScript",
      "matched_canonical": {
        "category_id": 6,
        "display_name": "TypeScript",
        "id": 524,
        "is_also_category": false,
        "is_extractable": true,
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    }
  ],
  "input_final_skills": [
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  "input_llm_skills": [
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  "new_aliases_persisted": 0,
  "run_id": "91c876e6-8c2b-4a78-b167-fad7f35dadbc",
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          "alias_text": "React 17",
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        {
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        {
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        },
        {
          "alias_text": "react 15",
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        },
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          ]
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      ],
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      "matched_via": "alias",
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      "was_in_llm_skills": true
    },
    {
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        },
        {
          "alias_text": "ts",
          "alias_type": "VERSION",
          "id": 1647,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "ts5",
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          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "typescript 5",
          "alias_type": "VERSION",
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          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "typescript 5.x",
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          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "typescript5",
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      ],
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          ]
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          },
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          ]
        }
      ],
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      "was_in_llm_skills": true
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          "alias_text": "playwright",
          "alias_type": "VERSION",
          "id": 2332,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "playwright 1",
          "alias_type": "VERSION",
          "id": 2333,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "playwright v1",
          "alias_type": "VERSION",
          "id": 2334,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        },
        {
          "alias_text": "pw",
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          "id": 2331,
          "is_primary": false,
          "match_strategy": "CASE_INSENSITIVE"
        }
      ],
      "canonical": {
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        "display_name": "Playwright",
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        "is_also_category": false,
        "is_extractable": true,
        "skill_nature": "TOOL",
        "slug": "playwright",
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        "typical_lifespan": "EVERGREEN",
        "volatility": "STABLE"
      },
      "dimensions": [
        {
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          "input_skill": "Playwright",
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            }
          ]
        },
        {
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          "roles_from_db": [
            {
              "display_name": "Fullstack Developer",
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          ]
        }
      ],
      "input_skill": "Playwright",
      "matched_via": "alias",
      "new_alias_persisted": false,
      "new_alias_text": null,
      "new_skill_meta": null,
      "source_tag": "db",
      "was_in_llm_skills": true
    }
  ],
  "unmatched_skills": []
}
API 3 — final-role-output
{
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    "rationale": "The primary skills of React, TypeScript, and Playwright are core to frontend development.",
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    "slug": "frontend-engineer",
    "source": "db"
  },
  "chosen_role_resolution": "in_db",
  "final_input_skills": [
    {
      "skill": "React",
      "tag": "in_db"
    },
    {
      "skill": "TypeScript",
      "tag": "in_db"
    },
    {
      "skill": "Playwright",
      "tag": "in_db"
    }
  ],
  "llm_cost_api1_usd": null,
  "llm_cost_api2_usd": null,
  "llm_cost_api3_usd": null,
  "llm_cost_total_usd": null,
  "persistence": {
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      {
        "chosen_role_id": 7,
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          "slug": "ui-frameworks-and-rendering",
          "source": "db"
        },
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        "input_skill": "React",
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}

LLM Calls

Every model call made for this run, in pipeline order. Click a card to see the model's response.

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