agent: rename custom commands to shorter aliases for easier invocation

[p-iknow]

Context

The current custom command names are too long and cumbersome to invoke. We want to rename them to shorter, more intuitive names to improve the development workflow.

Related files:

• .claude/commands/make-branch.md
• .claude/commands/make-commit.md
• .claude/commands/make-pr.md
• .claude/commands/make-task-issue.md
• .claude/commands/plan-issue.md
• docs/CONVENTIONAL_COMMITS.md - Documented in the Custom Commands section

Requirement

Rename custom commands as follows:

• make-branch → branch
• make-commit → commit
• make-pr → pr
• make-task-issue → issue-task
• plan-issue → plan

Solution

Test Plan

Reference

• .claude/commands/
• docs/CONVENTIONAL_COMMITS.md