refactor(topics): 멀티 에이전트용 지식 재편 — _Common(공통 기본기) + Domain_* 구조

에이전트 8종(대화형/프로그래머 C·S/디자이너/설계자/기획자/QA/PD/PM)에게 [공통 기본 능력 + 롤별 Specialty] 2층으로 지식을 주입하기 위한 재분류. 문서 내용·포맷은 무수정, 폴더 이동만 (6,372개 문서 수 보존 확인). - Topic_Programming → Domain_Programming (내부 구조 보존) - Topic_Graphic → Domain_Design - Topic_Business → Domain_Product - Topic_General → Domain_General - _Common 신설: Math(구 Topic_Math_Specialty), Reasoning(구 General/From_Thinking & Reasoning), Reasoning_Creativity(구 General/From_창의성), Communication(Poetic_Blog_Writing + From_writing) - 타 도메인의 From_* 폴더는 유지 (출처 표기일 뿐, 이미 도메인에 맞게 분류된 문서) - 빈 폴더 정리 (memory/procedures) - 에이전트→폴더 매핑은 workspace의 .astra/agent-knowledge-map.json (9개 에이전트) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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+---
+id: cpp-encapsulation
+title: "C++ Encapsulation"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["getter setter", "private attribute access", "C++ 캡슐화"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.86
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["cpp", "programming-language", "w3schools", "oop", "encapsulation"]
+raw_sources: ["https://www.w3schools.com/cpp/cpp_encapsulation.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CPP Encapsulation]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Encapsulation is the concrete APPLICATION of the previous chapter's abstract advice — "declare attributes private as often as you can" becomes actionable once you pair each `private` attribute with a `public` getter/setter method, meaning encapsulation isn't a separate new technique so much as the standard PATTERN for actually using `private` without making the data completely unreachable. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Encapsulation** — hiding "sensitive" data by declaring class attributes `private`, then providing `public` GET and SET methods for controlled access. [S1]
+- **Setter method** — a public method that ASSIGNS a value to a private attribute (`void setSalary(int s) { salary = s; }`). [S1]
+- **Getter method** — a public method that RETURNS a private attribute's value (`int getSalary() { return salary; }`). [S1]
+- **Real-life analogy** — an employee's salary is private (they can't change it directly); only the manager (a trusted method) can update or share it. [S1]
+- **Why encapsulate** — better control of data (change one part without affecting others), increased data security. [S1]
+
+## 📖 세부 내용 (Details)
+- A private attribute accessed exclusively through a getter/setter pair: `class Employee { private: int salary; public: void setSalary(int s) { salary = s; } int getSalary() { return salary; } }; Employee myObj; myObj.setSalary(50000); cout << myObj.getSalary();`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources).
+
+## 🛠️ 적용 사례 (Applied in summary)
+직원의 급여(salary)를 private으로 숨기고 setSalary()/getSalary()로만 접근하도록 하는 Employee 클래스 예제가 캡슐화의 대표 실전 활용 사례로 원문에 직접 제시됨. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+A private attribute accessed only through public getter/setter methods (C++):
+```cpp
+class Employee {
+private:
+  int salary; // hidden
+public:
+  void setSalary(int s) { salary = s; }
+  int getSalary() { return salary; }
+};
+int main() {
+  Employee myObj;
+  myObj.setSalary(50000);
+  cout << myObj.getSalary();
+  return 0;
+}
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.86
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[C++ Tutorial]]
+- **관련 개념:** [[CPP Access Specifiers]], [[CPP Inheritance]]
+- **참조 맥락:** 접근 지정자 및 캡슐화 섹션 마지막 — 상속(Inheritance) 섹션으로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C++ Encapsulation — https://www.w3schools.com/cpp/cpp_encapsulation.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C++ Encapsulation" page (Astra wiki-curation, P-Reinforce v3.1 format).