feat(cli): 添加 --rule 选项支持模板自动发现

重构 ccw cli 模板系统：

- 新增 template-discovery.ts 模块，支持扁平化模板自动发现
- 添加 --rule <template> 选项，自动加载 protocol 和 template
- 模板目录从嵌套结构 (prompts/category/file.txt) 迁移到扁平结构 (prompts/category-function.txt)
- 更新所有 agent/command 文件，使用 $PROTO $TMPL 环境变量替代 $(cat ...) 模式
- 支持模糊匹配：--rule 02-review-architecture 可匹配 analysis-review-architecture.txt

其他更新：
- Dashboard: 添加 Claude Manager 和 Issue Manager 页面
- Codex-lens: 增强 chain_search 和 clustering 模块

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/workflows/cli-templates/prompts/workflow-skill-conflict-patterns.txt

@@ -76,8 +76,8 @@ TASK: • Extract conflicts from IMPL_PLAN and lessons • Group by type (archit
 MODE: analysis
 CONTEXT: @.workflow/.archives/*/IMPL_PLAN.md @.workflow/.archives/manifest.json
 EXPECTED: Conflict patterns with frequency and resolution
-RULES: $(cat ~/.claude/workflows/cli-templates/prompts/workflow/skill-aggregation.txt) | analysis=READ-ONLY
-" --tool gemini --cd .workflow/.archives
+RULES: $PROTO $TMPL | analysis=READ-ONLY
+" --tool gemini --mode analysis --rule workflow-skill-aggregation --cd .workflow/.archives
 ```
 
 **Pattern Grouping**:

.claude/workflows/cli-templates/prompts/workflow-skill-lessons-learned.txt

@@ -72,8 +72,8 @@ TASK: • Group successes by functional domain • Categorize challenges by seve
 MODE: analysis
 CONTEXT: @.workflow/.archives/manifest.json
 EXPECTED: Aggregated lessons with frequency counts
-RULES: $(cat ~/.claude/workflows/cli-templates/prompts/workflow/skill-aggregation.txt) | analysis=READ-ONLY
-" --tool gemini --cd .workflow/.archives
+RULES: $PROTO $TMPL | analysis=READ-ONLY
+" --tool gemini --mode analysis --rule workflow-skill-aggregation --cd .workflow/.archives
 ```
 
 **Severity Classification**: