feat: Implement multi-phase project analysis workflow with Mermaid diagram generation and CPCC compliance documentation

- Phase 3: Added Mermaid diagram generation for system architecture, function modules, algorithms, class diagrams, sequence diagrams, and error flows.
- Phase 4: Assembled analysis and diagrams into a structured CPCC-compliant document with section templates and figure numbering.
- Phase 5: Developed compliance review process with iterative refinement based on analysis findings and user feedback.
- Added CPCC compliance requirements and quality standards for project analysis reports.
- Established a comprehensive project analysis skill with detailed execution flow and report types.
- Enhanced error handling and recovery mechanisms throughout the analysis phases.

.claude/skills/project-analyze/phases/02-project-exploration.md

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+# Phase 2: Project Exploration
+
+Launch parallel exploration agents based on report type.
+
+## Execution
+
+### Step 1: Map Exploration Angles
+
+```javascript
+const angleMapping = {
+  architecture: ["Layer Structure", "Module Dependencies", "Entry Points", "Data Flow"],
+  design: ["Design Patterns", "Class Relationships", "Interface Contracts", "State Management"],
+  methods: ["Core Algorithms", "Critical Paths", "Public APIs", "Complex Logic"],
+  comprehensive: ["Layer Structure", "Design Patterns", "Core Algorithms", "Data Flow"]
+};
+
+const angles = angleMapping[config.type];
+```
+
+### Step 2: Launch Parallel Agents
+
+For each angle, launch an exploration agent:
+
+```javascript
+Task({
+  subagent_type: "cli-explore-agent",
+  description: `Explore: ${angle}`,
+  prompt: `
+## Exploration Objective
+Execute **${angle}** exploration for project analysis report.
+
+## Context
+- **Angle**: ${angle}
+- **Report Type**: ${config.type}
+- **Depth**: ${config.depth}
+- **Scope**: ${config.scope}
+
+## Exploration Protocol
+1. Structural Discovery (get_modules_by_depth, rg, glob)
+2. Pattern Recognition (conventions, naming, organization)
+3. Relationship Mapping (dependencies, integration points)
+
+## Output Format
+{
+  "angle": "${angle}",
+  "findings": {
+    "structure": [...],
+    "patterns": [...],
+    "relationships": [...],
+    "key_files": [{path, relevance, rationale}]
+  },
+  "insights": [...]
+}
+`
+})
+```
+
+### Step 3: Aggregate Results
+
+Merge all exploration results into unified findings:
+
+```javascript
+const aggregatedFindings = {
+  structure: [],      // from all angles
+  patterns: [],       // from all angles  
+  relationships: [],  // from all angles
+  key_files: [],      // deduplicated
+  insights: []        // prioritized
+};
+```
+
+## Output
+
+Save exploration results to `exploration-{angle}.json` files.