# Check if global CLAUDE.md exists
if [ -f ~/.claude/CLAUDE.md ]; then
  echo "WARNING: Global CLAUDE.md exists at ~/.claude/CLAUDE.md"
  echo "This may override your local CLAUDE.md during Ralph loops"
  wc -l ~/.claude/CLAUDE.md
else
  echo "OK: No global CLAUDE.md found"
fi

which ralph-tui && ralph-tui --version

# Check tmux (required for persistent sessions)
which tmux && tmux -V

# Check git (required for worktrees)
git --version

# Check for existing state
if [ -d .ralph-tui ]; then
  echo "Found existing .ralph-tui/ directory"

  # Check for progress file with content
  if [ -f .ralph-tui/progress.md ] && [ -s .ralph-tui/progress.md ]; then
    echo "⚠ progress.md exists with content ($(wc -l < .ralph-tui/progress.md) lines)"
  fi

  # Check for iteration logs
  if [ -d .ralph-tui/iterations ] && [ "$(ls -A .ralph-tui/iterations 2>/dev/null)" ]; then
    echo "⚠ iterations/ has $(ls .ralph-tui/iterations | wc -l) log files"
  fi

  # Check for session state
  if [ -f .ralph-tui/state.json ]; then
    echo "⚠ state.json exists (previous session state)"
  fi

  # Check for lock file (Ralph might be running)
  if [ -f .ralph-tui.lock ]; then
    echo "⚠ .ralph-tui.lock exists - Ralph may be running!"
  fi
else
  echo "OK: No existing .ralph-tui/ state"
fi

AskUserQuestion: "Found existing Ralph state from a previous run. What's the situation?"
├── "Previous run is complete, clean up for new PRD"
│   → Clean .ralph-tui/iterations/, progress.md, state.json
│   → Keep config.toml and templates
├── "Previous run is still active (different PRD)"
│   → Create new worktree for this PRD
│   → Keep current directory untouched
├── "Save progress to branch first, then clean"
│   → Commit current progress
│   → Clean for new PRD
└── "Let me check the progress first"
│   → Show progress.md contents
│   → Show iteration count
│   → Re-ask after review

# Remove iteration logs
rm -rf .ralph-tui/iterations/*

# Clear progress file (keep file, clear content)
echo "" > .ralph-tui/progress.md

# Remove session state
rm -f .ralph-tui/state.json
rm -f .ralph-tui.lock
rm -f .ralph-tui-session.json

# Verify cleanup
ls -la .ralph-tui/
echo "Cleaned. Ready for new Ralph loop."

# Check current branch
CURRENT_BRANCH=$(git branch --show-current)
echo "Current branch: $CURRENT_BRANCH"

# Suggest worktree for new PRD
REPO_NAME=$(basename $(git rev-parse --show-toplevel))
echo "Suggested worktree: ../${REPO_NAME}-[new-prd-name]"

# Check project config exists
if [ -f .ralph-tui/config.toml ]; then
  echo "OK: Config found at .ralph-tui/config.toml"
else
  echo "ERROR: No .ralph-tui/config.toml found"
  echo "Run: ralph-tui setup"
fi

ralph-tui template show | head -5

# Extract template path from config
grep "prompt_template" .ralph-tui/config.toml
# Verify file exists
ls -la [extracted-path]

find . -name "prd.json" -not -path "*/node_modules/*" 2>/dev/null

{
  "name": "required - kebab-case",
  "description": "required - project context",
  "branchName": "required - git branch name",
  "userStories": [
    {
      "id": "required - e.g., US-001",
      "title": "required - short title",
      "description": "required - what and why",
      "acceptanceCriteria": "required - array of strings",
      "dependsOn": "optional - array of story IDs",
      "notes": "optional - additional context",
      "passes": "required - boolean, should be false initially"
    }
  ]
}

**Tasks:**
1. First task
2. Second task

if [ -f CLAUDE.md ]; then
  echo "OK: Local CLAUDE.md found"
  # Check it has key sections
  grep -l "Commands\|Development\|Project" CLAUDE.md
else
  echo "WARNING: No local CLAUDE.md - Ralph will rely on global context"
fi

find . -name "PRD.md" -o -name "prd.md" | head -5

grep "progressFile" .ralph-tui/config.toml
# Default: .ralph-tui/progress.md

═══════════════════════════════════════════════════════════════════════════
Ralph TUI Pre-Flight Check Results
═══════════════════════════════════════════════════════════════════════════

Environment
├── Global CLAUDE.md: ✗ Not found (good) / ⚠ Found (may conflict)
├── Ralph TUI: ✓ v0.x.x installed
├── tmux: ✓ v3.x installed
├── git: ✓ v2.x installed
└── Existing State: ✓ Clean / ⚠ Previous run detected (action taken)

Existing State Details (if found)
├── progress.md: [X lines] / Empty
├── iterations/: [X files] / Empty
├── state.json: Found / Not found
└── Lock file: ⚠ Running / Not found

Configuration (.ralph-tui/config.toml)
├── Tracker: json ✓
├── Agent: claude ✓
├── Model: opus ✓
├── Max Iterations: 70 ✓
├── Template Path: .ralph-tui/templates/prompt.hbs ✓
└── PRD Path: [discovered path] ✓

Template (.ralph-tui/templates/prompt.hbs)
├── File exists: ✓
├── PRD variables: ✓
├── Task variables: ✓
├── Context variables: ✓
├── Workflow section: ✓
└── Completion signals: ✓

PRD (docs/prds/[name]/prd.json)
├── Name: [prd-name] ✓
├── Branch: [branch-name] ✓
├── Stories: [count] stories ✓
├── All have IDs: ✓
├── All have descriptions: ✓
├── All have acceptance criteria: ✓
└── Tasks embedded in descriptions: ✓

Project Context
├── Local CLAUDE.md: ✓ Found
├── PRD.md: ✓ Found at [path]
└── Progress tracking: .ralph-tui/progress.md (clean)

═══════════════════════════════════════════════════════════════════════════

Issues Found:
├── [CRITICAL] Global CLAUDE.md may override local context
├── [CRITICAL] Existing Ralph state - may confuse model with old progress
├── [CRITICAL] Lock file present - Ralph may already be running
├── [WARNING] Story US-003 missing tasks in description
└── [INFO] Model set to sonnet, opus recommended for complex work

AskUserQuestion: "How do you want to run this Ralph loop?"
├── "Branch only" - Create/switch to feature branch in current directory
├── "Worktree" - Create isolated worktree for parallel development
└── "Already set up" - Skip branch/worktree setup

# Determine base branch
git branch --show-current

# Create and checkout feature branch
git checkout -b [branchName-from-prd]

# Get repo name and PRD name
REPO_NAME=$(basename $(git rev-parse --show-toplevel))
PRD_NAME=[name-from-prd]

# Create worktree
git worktree add ../${REPO_NAME}-${PRD_NAME} -b [branchName-from-prd]

# Show next steps
echo "Worktree created at: ../${REPO_NAME}-${PRD_NAME}"
echo "cd ../${REPO_NAME}-${PRD_NAME}"

═══════════════════════════════════════════════════════════════════════════
Launch Commands
═══════════════════════════════════════════════════════════════════════════

Option 1: Run in new tmux session (recommended)
───────────────────────────────────────────────────────────────────────────
tmux new-session -d -s ralph-[prd-name] "ralph-tui run --prd [prd-path]"
tmux attach-session -t ralph-[prd-name]
# Press 's' to start, then Ctrl+B D to detach

Option 2: Run directly (stays in foreground)
───────────────────────────────────────────────────────────────────────────
ralph-tui run --prd [prd-path]

Option 3: Run with verification (recommended first time)
───────────────────────────────────────────────────────────────────────────
ralph-tui run --prd [prd-path] --verify

Monitoring:
───────────────────────────────────────────────────────────────────────────
# Check progress
cat .ralph-tui/progress.md

# View iteration logs
ralph-tui logs

# Check session status
ralph-tui status

# Reattach to tmux
tmux attach-session -t ralph-[prd-name]
═══════════════════════════════════════════════════════════════════════════

ralph-tui template show     # Show current template
ralph-tui doctor            # Diagnose issues
ralph-tui config show       # Show merged config
ralph-tui status            # Check session status
ralph-tui resume            # Resume interrupted session
ralph-tui logs              # View iteration logs