优化update-memory.md: 简化参数为related/full模式，强化层级规则，添加CLAUDE.md核心构建准则

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Co-Authored-By: Claude <noreply@anthropic.com>

CLAUDE.md

@@ -87,4 +87,54 @@ This document defines project-specific coding standards and development principl
 
 For all Gemini CLI usage, command syntax, and integration guidelines:
 @~/.claude/workflows/gemini-cli-guidelines.md
-@~/.claude/workflows/gemini-intelligent-context.md
+@~/.claude/workflows/gemini-intelligent-context.md
+
+## CLAUDE.md Documentation System
+
+### Core Construction Principles
+
+**FUNDAMENTAL RULE**: Strict hierarchical content boundaries to eliminate duplication
+
+#### **Layer Definitions**
+
+1. **Root Level (`./CLAUDE.md`)** - Project North Star
+   - **Purpose**: High-level project overview and architectural decisions
+   - **Content**: Technology stack, development workflow, architecture principles
+   - **NEVER Include**: Implementation details, module patterns, domain specifics
+
+2. **Domain Level (`./src/CLAUDE.md`)** - Domain Architecture
+   - **Purpose**: Domain organization and inter-module relationships  
+   - **Content**: Module organization, domain patterns, integration points
+   - **NEVER Include**: Project overview, implementation specifics, function details
+
+3. **Module Level (`./src/api/CLAUDE.md`)** - Implementation Patterns
+   - **Purpose**: Module-specific architecture and patterns
+   - **Content**: Internal design, API contracts, module dependencies
+   - **NEVER Include**: Project overview, domain patterns, detailed implementations
+
+4. **Sub-Module Level (`./src/api/auth/CLAUDE.md`)** - Implementation Details
+   - **Purpose**: Specific implementation and configuration
+   - **Content**: Usage examples, configuration, performance notes
+   - **NEVER Include**: Architecture decisions, higher-level patterns
+
+#### **Content Uniqueness Rules**
+
+- **Each layer owns its abstraction level** - no content sharing between layers
+- **Reference, don't duplicate** - point to other layers, never copy content
+- **Maintain perspective** - each layer sees the system at its appropriate scale
+- **Avoid implementation creep** - higher layers stay architectural
+
+#### **Update Strategy**
+
+- **Related Mode**: Update only affected modules + parent hierarchy propagation
+- **Full Mode**: Complete hierarchy refresh with strict layer boundaries
+- **Context Intelligence**: Automatic detection of what needs updating
+
+
+#### **Quality Assurance**
+
+- **Layer Validation**: Each CLAUDE.md must stay within its layer's purpose
+- **Duplication Detection**: Cross-reference content to prevent overlap
+- **Hierarchy Consistency**: Parent layers reflect child changes appropriately
+- **Content Relevance**: Regular cleanup of outdated or irrelevant content
+