feat: enhance review process and role management

- Refactor reviewPass function to identify states with review checks instead of specific review types.
- Introduce review policies (HUMAN, AGENT, AUTO) to control PR review processes based on developer levels.
- Update projectTick to handle review policies and step routing labels for reviewers and testers.
- Add detailed reviewer instructions to templates for clarity on review responsibilities.
- Implement role:level label management, allowing dynamic creation of labels based on project configuration.
- Enhance task_update tool to support state and level updates, ensuring at least one parameter is provided.
- Update work_finish tool to include reviewer actions (approve, reject) in task completion.
- Modify work_start tool to utilize role-level detection for better level assignment.
- Add tests for new functionalities, including review routing and level detection from labels.

lib/config/loader.ts

@@ -138,6 +138,7 @@ function resolve(config: DevClawConfig): ResolvedConfig {
 
   const workflow: WorkflowConfig = {
     initial: config.workflow?.initial ?? DEFAULT_WORKFLOW.initial,
+    reviewPolicy: config.workflow?.reviewPolicy ?? DEFAULT_WORKFLOW.reviewPolicy,
     states: { ...DEFAULT_WORKFLOW.states, ...config.workflow?.states },
   };