v0.17.10

Changes

• feat: Add dsl_task binding to x-agent blocks for all LLM commands, conforming to runtime standard format
• Handlers now derive task IDs from TASK_IDS constants (backed by generated DSL task registry) instead of string literals
• Added binding consistency test verifying contract ↔ DSL ↔ handler alignment
• Synced cli-contract.yaml info.version with package.json

Closes #38