Add early exit prerequisites check to regulatory agent workflow

[Copilot]

The regulatory agent should exit early if it doesn't have the necessary tools or permissions to perform the investigation, rather than failing mid-execution.

Changes

• Added Phase 0: Prerequisites Check before Phase 1 in daily-regulatory.md:

  • Step 0.1: Verify github-discussion-query safe-input tool is accessible
  • Step 0.2: Verify create-discussion and close-discussion safe-output tools are available
  • Step 0.3: Explicit exit conditions checklist

• Exit behavior: Agent writes clear explanation of which prerequisite failed with remediation steps

• Updated Success Criteria: Added prerequisites verification as first success criterion

Exit Conditions

- ❌ The `github-discussion-query` tool is not available or fails
- ❌ GitHub Discussions are not enabled for the repository
- ❌ The `create-discussion` safe-output is not available
- ❌ The `close-discussion` safe-output is not available

Original prompt

The regulatory agent should exit early if it doesn't have the necessary tools or permissions to help it perform the investigation.

Custom agent used: agentic-workflows
GitHub Agentic Workflows (gh-aw) - Create, debug, and upgrade AI-powered workflows with intelligent prompt routing

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