v.1.7.4

Summary

• Added the Autonomous workflow profile with Standard lanes, agent-friendly overrides, and stage-board-to-done.
• Added Change Workflow Profile and Get Board Snapshot commands; settings enum includes autonomous.
• Initialise now creates .agentkanban/memory.md when missing (does not overwrite).
• Prompting docs: bootstrap scaffolds listed; worktrees optional unless board policy requires them.
• Bumped package metadata, README badge, and CHANGELOG to 1.7.4.

Validation

• Full suite: 17 files / 413 tests passed.
• Lint / TypeScript: passed.
• Build: complete.
• VSIX: agentic-kanban-1.7.4.vsix packaged successfully with manifest version 1.7.4.