feat: Implement context detection and onboarding tools for DevClaw

- Add context-guard.ts to detect interaction context (via-agent, direct, group) and generate guardrails.
- Introduce onboarding.ts for conversational onboarding context templates and workspace file checks.
- Enhance setup.ts to support new agent creation with channel binding and migration of existing bindings.
- Create analyze-channel-bindings.ts to analyze channel availability and detect binding conflicts.
- Implement context-test.ts for debugging context detection.
- Develop devclaw_onboard.ts for explicit onboarding tool that guides users through setup.
- Update devclaw_setup.ts to include channel binding and migration support in setup process.
- Modify project-register.ts to enforce project registration from group context and auto-populate group ID.
- Enhance queue-status.ts to provide context-aware status checks and recommendations.
- Update task tools (task-complete, task-create, task-pickup) to clarify group ID usage for Telegram/WhatsApp.

lib/tools/task-create.ts

@@ -47,7 +47,7 @@ The issue is created with a state label (defaults to "Planning"). Returns the cr
       properties: {
         projectGroupId: {
           type: "string",
-          description: "Telegram group ID for the project",
+          description: "Telegram/WhatsApp group ID for the project",
         },
         title: {
           type: "string",