41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
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#pragma once
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// Step 859: Hint feature extraction from decision ledgers.
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#include <string>
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#include <vector>
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#include <nlohmann/json.hpp>
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struct HintFeature {
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std::string featureId;
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std::string source; // "decision_ledger", "review_board"
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std::string pairId;
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std::string attribute;
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std::string value;
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float weight = 1.0f;
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};
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class HintFeatureExtractor {
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public:
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static std::vector<HintFeature> extract(const std::string& pairId,
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const std::vector<nlohmann::json>& decisions) {
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std::vector<HintFeature> features;
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int idx = 0;
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for (const auto& d : decisions) {
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HintFeature f;
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f.featureId = "HF-" + std::to_string(++idx);
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f.pairId = pairId;
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f.source = "decision_ledger";
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f.attribute = d.value("decision", "unknown");
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f.value = d.value("rationale", "");
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f.weight = d.value("weight", 1.0f);
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features.push_back(f);
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}
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return features;
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}
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static nlohmann::json toJson(const HintFeature& f) {
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return {{"feature_id", f.featureId}, {"pair_id", f.pairId},
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{"source", f.source}, {"attribute", f.attribute},
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{"value", f.value}, {"weight", f.weight}};
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}
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};
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