Update the current development session by:

Context

• Date and Time: !date +%Y-%m-%d\ %I:%M\ %p

Task

CRITICAL: NEVER modify or edit existing session content - ONLY append!

1. Check if .sessions/.current-session exists to find the active session
2. If no active session, inform user to start one with /project:session-start
3. If session exists, append to the session file with:
   • Current timestamp
   • The update: $ARGUMENTS (or if no arguments, summarize recent activities)
   • Git status summary:
     • Files added/modified/deleted (from git status --porcelain)
     • Current branch and last commit
   • Todo list status:
     • Number of completed/in-progress/pending tasks
     • List any newly completed tasks
   • Any issues encountered
   • Solutions implemented
   • Code changes made
   • Documentation updates
   • Online resources or references used

Keep updates concise but comprehensive for future reference.

Example format:

### Update - 2025-06-16 12:15 PM

**Summary**: Implemented user authentication

**Git Changes**:
- Modified: app/middleware.ts, lib/auth.ts
- Added: app/login/page.tsx
- Current branch: main (commit: abc123)

**Todo Progress**: 3 completed, 1 in progress, 2 pending
- ✓ Completed: Set up auth middleware
- ✓ Completed: Create login page
- ✓ Completed: Add logout functionality

**Details**: [user's update or automatic summary]