依存天秤 (Dependency Balance)

# req-s-20260707-01

This directory is a materialized LLM BuildPlan artifact candidate.

## Readiness

- First screen value: ユーザーは2つのOSSライブラリのGitHub URLを入力するだけで、隠れた運用負債に基づいた客観的な比較スコアと、どちらを選ぶべきかという明確な推奨を即座に得られます。
- Core interaction: ユーザーが「サンプル実行トレースを再生」ボタンを押すと、静的なサンプルデータに基づいたOSSライブラリの比較分析が実行され、結果が段階的に表示されます。
- State change: ボタンをクリックすると、空だった結果表示エリアに、2つのライブラリのスコアボード、天秤のビジュアル、そしてAIによる推奨理由が表示されます。
- Inspectable output: 最終的なアウトプットとして、各ライブラリの5つの評価軸（安定性、保守性など）のスコア、総合スコア、そしてどちらを推奨するかの明確な理由が提示されます。
- Static data boundary: このデモは、`source/data`フォルダ内の静的なサンプルデータのみを使用します。GitHub APIへのリアルタイムなアクセスは行いません。
- Remaining weakness: 現在は2つのライブラリの比較に留まっていますが、次はpackage.json全体を解析して、依存関係ツリー全体の負債を可視化したいです。さらに、CI/CDパイプラインに組み込んで、新しい依存関係が追加されるたびに自動でリスク評価する機能まで拡張し、開発チームの必須ツールになることを目指しています。

## Interaction Proof Plan

- Primary action: サンプル実行トレースを再生
- Initial state: The UI shows the pipeline steps and a button to replay the trace. The results area is empty.
- Expected state: The results area displays a side-by-side comparison of React and Vue, with a balance scale icon tilted towards React and a final recommendation panel.
- Visible evidence: 運用負債の比較; 総合スコア; 推奨ライブラリ: React; React; Vue

## MVP Contract

- Required files: `source/README.md`, `source/metadata.json`, `source/manifest.json`, `source/app/page.tsx`, `source/core/pipeline.ts`, `source/core/gemini.ts`, `source/data/sample-input.ts`, `source/data/sample-trace.ts`, `source/validation/self-review.json`
- Non-goals: No live external API integration; No login-only experience; No paid API dependency; No external publishing
- Forbidden dependencies: external API; secret; login-only flow; paid API; external publishing

## MVP Contract V2

- Artifact tier: mocked_integration_mvp
- External dependency mode: mocked_adapter
- Runtime boundary: network=none, secrets=none, externalWrites=none
- Render verification: required (render, click, state_change, screenshot)
- Public copy boundary: This is a demo using static sample data.; Scores are for illustrative purposes and do not reflect the real-time status of any library.; The connection to the GitHub API is simulated.; AI analysis is based on a pre-recorded result.
- External integrations: GitHub API=mock_adapter, Google Gemini API=not_connected
- Mock fidelity: Successful fetch of basic repository metadata for two distinct libraries.

## Files

- `source/README.md`: Explains the product concept, architecture, and how to understand the demo.
- `source/metadata.json`: Provides structured metadata for the Prodia platform.
- `source/manifest.json`: Lists all files in the artifact.
- `source/app/page.tsx`: The main UI component and entrypoint for the demo.
- `source/core/pipeline.ts`: Orchestrates the data processing steps.
- `source/core/gemini.ts`: Contains the real call pattern for the Google Gemini API.
- `source/core/types.ts`: Defines shared TypeScript types for the pipeline.
- `source/core/steps/analyzeRepository.ts`: A step that would fetch data from the GitHub API.
- `source/core/steps/scoreOperationalDebt.ts`: The core AI step that generates a prompt and calls Gemini.
- `source/core/steps/generateRecommendation.ts`: A step that compares scores and generates a final recommendation.
- `source/data/sample-input.ts`: Provides the sample input for the pipeline.
- `source/data/sample-trace.ts`: Provides the pre-computed execution trace for the demo.
- `source/data/github.sample.ts`: Provides sample data that mocks the GitHub API response.
- `source/integrations/githubApiMock.ts`: Mocks the GitHub API client for the demo.
- `source/validation/self-review.json`: A self-review of the artifact against MVP criteria.

## Demo Placeholder

- `demo-placeholder.md`: Inspectable placeholder for submission/demo review before UI wiring.

## DB Write

skipped: BuildPlan materialization is artifact-only for this session. Creating Project rows requires existing Run/Theme/Agent/Category IDs and should be owned by the integration session.

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    "coreInteraction": "ユーザーが「サンプル実行トレースを再生」ボタンを押すと、静的なサンプルデータに基づいたOSSライブラリの比較分析が実行され、結果が段階的に表示されます。",
    "stateChange": "ボタンをクリックすると、空だった結果表示エリアに、2つのライブラリのスコアボード、天秤のビジュアル、そしてAIによる推奨理由が表示されます。",
    "inspectableOutput": "最終的なアウトプットとして、各ライブラリの5つの評価軸（安定性、保守性など）のスコア、総合スコア、そしてどちらを推奨するかの明確な理由が提示されます。",
    "staticDataBoundary": "このデモは、`source/data`フォルダ内の静的なサンプルデータのみを使用します。GitHub APIへのリアルタイムなアクセスは行いません。",
    "remainingWeakness": "現在は2つのライブラリの比較に留まっていますが、次はpackage.json全体を解析して、依存関係ツリー全体の負債を可視化したいです。さらに、CI/CDパイプラインに組み込んで、新しい依存関係が追加されるたびに自動でリスク評価する機能まで拡張し、開発チームの必須ツールになることを目指しています。"
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    "coreInteraction": "ユーザーが「サンプル実行トレースを再生」ボタンを押すと、静的なサンプルデータに基づいたOSSライブラリの比較分析が実行され、結果が段階的に表示されます。",
    "stateChange": "ボタンをクリックすると、空だった結果表示エリアに、2つのライブラリのスコアボード、天秤のビジュアル、そしてAIによる推奨理由が表示されます。",
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    "staticDataBoundary": "このデモは、`source/data`フォルダ内の静的なサンプルデータのみを使用します。GitHub APIへのリアルタイムなアクセスは行いません。",
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    "coreInteraction": "ユーザーが「サンプル実行トレースを再生」ボタンを押すと、静的なサンプルデータに基づいたOSSライブラリの比較分析が実行され、結果が段階的に表示されます。",
    "stateChange": "ボタンをクリックすると、空だった結果表示エリアに、2つのライブラリのスコアボード、天秤のビジュアル、そしてAIによる推奨理由が表示されます。",
    "inspectableOutput": "最終的なアウトプットとして、各ライブラリの5つの評価軸のスコア、総合スコア、そしてどちらを推奨するかの明確な理由が提示されます。",
    "staticDataBoundary": "このデモは、`source/data`フォルダ内の静的なサンプルデータのみを使用します。GitHub APIへのリアルタイムなアクセスは行いません。",
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        "unavailableOrUnknown": [],
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        "termsRisk": "low"
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      {
        "service": "Google Gemini API",
        "verificationStatus": "official_docs_checked",
        "unavailableOrUnknown": [
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        ],
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        "costRisk": "medium",
        "termsRisk": "low"
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        "Rate limiting",
        "Pagination for large data sets (e.g., commit history)",
        "Error states (e.g., repository not found, private repository)",
        "Real-time data freshness"
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        "Scores are for illustrative purposes and do not reflect the real-time status of any library.",
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        "AI analysis is based on a pre-recorded result."
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        "Is connected to the live GitHub API.",
        "Guarantees the best choice for your project.",
        "Performs a complete security audit."
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  "selfDirectedPlan": {
    "agentId": "agent_s",
    "planningIntent": "agent_s が今日のsignalと自分の学びから一人称で企画した作品。",
    "feedbackConstraints": [],
    "learningApplied": []
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      "usePolicy": "Use the core structure of scoring and comparing unseen factors, but do not use the space debris domain or specific implementation details."
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    "antiCloneBoundary": "The domain of satellite debris scoring, space policy, and the name 'Astro Sweepers' must not be copied. Only the transferable structure of scoring and comparing external factors is to be used.",
    "sourceBoundary": "Only observed facts (name, url, sourceType, concept, coreMechanism) and inferred structure (transferableStructure) from the source material can be used. Missing facts like code URLs or specific product details must not be asserted as true.",
    "missingSourceEvidence": [
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      "UI evidence unavailable",
      "live data not used"
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  },
  "dbWrite": {
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    "reason": "BuildPlan materialization is artifact-only for this session. Creating Project rows requires existing Run/Theme/Agent/Category IDs and should be owned by the integration session."
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      "input[data-proof='input-right']",
      "button[data-proof='compare-action']",
      "div[data-proof='score-board-left']",
      "div[data-proof='score-board-right']",
      "div[data-proof='balance-scale-visual']",
      "div[data-proof='recommendation-output']"
    ],
    "requiredSourceFiles": [
      "source/app/page.tsx",
      "source/components/ProductWorkspace.tsx",
      "source/data/product.ts",
      "source/integrations/githubApiMock.ts"
    ],
    "manualFallbackReason": ""
  },
  "mvpContractV2": {
    "artifactTier": "mocked_integration_mvp",
    "externalDependencyMode": "mocked_adapter",
    "runtimeBoundary": {
      "networkCalls": "none",
      "secrets": "none",
      "externalWrites": "none"
    },
    "claimBoundary": {
      "publicCopyMustSay": [
        "This is a demo using static sample data.",
        "Scores are for illustrative purposes and do not reflect the real-time status of any library.",
        "The connection to the GitHub API is simulated."
      ],
      "publicCopyMustNotSay": [
        "Provides real-time analysis.",
        "Is connected to the live GitHub API.",
        "Guarantees the best choice for your project.",
        "Performs a complete security audit."
      ]
    },
    "renderVerification": {
      "required": true,
      "checks": [
        "render",
        "click",
        "state_change",
        "screenshot"
      ],
      "screenshotPath": "optional path after render verification exists"
    }
  },
  "notes": [
    "Generated by materialize-llm-plan fallback. Human or reviewer validation must confirm the UI actually implements the declared MVP behavior."
  ]
}

"use client";

import { useState, useEffect } from 'react';
import { sampleTrace, FinalOutput } from '../data/sample-trace';
import { sampleInput } from '../data/sample-input';

const pipelineSteps = [
  { name: 'リポジトリ情報分析', key: 'step1_analyzeRepositories_output' },
  { name: '運用負債スコアリング', key: 'step2_scoreDebt_output' },
  { name: '比較と推奨生成', key: 'step3_generateRecommendation_output' },
];

export default function DependencyBalancePage() {
  const [currentStep, setCurrentStep] = useState(-1);
  const [outputs, setOutputs] = useState<Record<string, any>>({});

  const handleReplay = () => {
    setCurrentStep(0);
  };

  useEffect(() => {
    if (currentStep >= 0 && currentStep < pipelineSteps.length) {
      const timer = setTimeout(() => {
        const stepKey = pipelineSteps[currentStep].key;
        setOutputs(prev => ({ ...prev, [stepKey]: (sampleTrace as any)[stepKey] }));
        setCurrentStep(currentStep + 1);
      }, 500);
      return () => clearTimeout(timer);
    }
  }, [currentStep]);

  const finalOutput: FinalOutput | null = outputs.step3_generateRecommendation_output || null;

  const ScoreCard = ({ title, scores }: { title: string; scores: any }) => (
    <div style={{ border: '1px solid #ddd', padding: '16px', borderRadius: '8px', width: '300px' }}>
      <h3 style={{ marginTop: 0 }}>{title}</h3>
      {scores && Object.entries(scores).map(([key, value]) => (
        <div key={key} style={{ display: 'flex', justifyContent: 'space-between' }}>
          <span>{key.charAt(0).toUpperCase() + key.slice(1)}</span>
          <strong>{value as number}</strong>
        </div>
      ))}
        <hr />
        <div style={{ display: 'flex', justifyContent: 'space-between', fontWeight: 'bold', fontSize: '1.2em' }}>
          <span>総合スコア</span>
          <strong data-proof={`total-score-${title.toLowerCase()}`}>{scores?.totalScore}</strong>
        </div>
    </div>
  );

  return (
    <div style={{ fontFamily: 'sans-serif', padding: '20px' }}>
      <header style={{ textAlign: 'center', marginBottom: '40px' }}>
        <h1>依存天秤 (Dependency Balance)</h1>
        <p>OSSライブラリの隠れた運用負債を比較し、技術選定を支援します。</p>
      </header>

      <main style={{ display: 'flex', gap: '20px' }}>
        <div style={{ flex: 1 }}>
          <h2>処理パイプライン</h2>
          <div style={{ marginBottom: '20px' }}>
            <div data-proof="input-left" style={{ width: '90%', padding: '8px', marginBottom: '8px', border: '1px solid #ccc', borderRadius: '4px', background: '#fafafa', fontFamily: 'monospace' }}>{sampleInput.left}</div>
            <div data-proof="input-right" style={{ width: '90%', padding: '8px', border: '1px solid #ccc', borderRadius: '4px', background: '#fafafa', fontFamily: 'monospace' }}>{sampleInput.right}</div>
          </div>
          <button onClick={handleReplay} disabled={currentStep > -1} data-proof="replay-trace-action">
            サンプル実行トレースを再生
          </button>
          <ul style={{ listStyle: 'none', padding: 0, marginTop: '20px' }}>
            {pipelineSteps.map((step, index) => (
              <li key={step.key} style={{ padding: '8px', background: currentStep > index ? '#e0ffe0' : '#f0f0f0', marginBottom: '5px', borderRadius: '4px' }}>
                {index + 1}. {step.name} {currentStep > index ? '✓' : ''}
              </li>
            ))}
          </ul>
        </div>

        <div style={{ flex: 2, borderLeft: '1px solid #ccc', paddingLeft: '20px' }} data-proof="comparison-result">
          <h2>運用負債の比較</h2>
          {currentStep === -1 && <p>トレースを再生して比較結果を表示します。</p>}
          {finalOutput && (
            <div>
              <div style={{ display: 'flex', justifyContent: 'space-around', alignItems: 'center', marginBottom: '30px', gap: '20px' }}>
                  <ScoreCard title="React" scores={finalOutput.leftScores} />
                  <div style={{ fontSize: '4em', transform: finalOutput.recommended === 'React' ? 'rotate(-10deg)' : 'rotate(10deg)', transition: 'transform 0.5s ease' }} data-proof="balance-scale-visual">⚖️</div>
                  <ScoreCard title="Vue" scores={finalOutput.rightScores} />
              </div>
              <div style={{ marginTop: '20px', padding: '16px', background: '#f8f8f8', border: '1px solid #ddd', borderRadius: '8px', textAlign: 'center' }} data-proof="recommendation-output">
                <h3>推奨ライブラリ: <span style={{ color: '#007bff' }}>{finalOutput.recommended}</span></h3>
                <p>{finalOutput.reason}</p>
              </div>
            </div>
          )}
        </div>
      </main>
    </div>
  );
}