Phase Argument Parsing

Parse and normalize phase arguments for commands that operate on phases.

Extraction

From $ARGUMENTS:

Extract phase number (first numeric argument)
Extract flags (prefixed with --)
Remaining text is description (for insert/add commands)

Using gsd-tools

The find-phase command handles normalization and validation in one step:

PHASE_INFO=$(node ".pi/gsd/bin/gsd-tools.cjs" find-phase "${PHASE}")

Returns JSON with:

found: true/false
directory: Full path to phase directory
phase_number: Normalized number (e.g., "06", "06.1")
phase_name: Name portion (e.g., "foundation")
plans: Array of PLAN.md files
summaries: Array of SUMMARY.md files

Manual Normalization (Legacy)

Zero-pad integer phases to 2 digits. Preserve decimal suffixes.

# Normalize phase number
if [[ "$PHASE" =~ ^[0-9]+$ ]]; then
  # Integer: 8 → 08
  PHASE=$(printf "%02d" "$PHASE")
elif [[ "$PHASE" =~ ^([0-9]+)\.([0-9]+)$ ]]; then
  # Decimal: 2.1 → 02.1
  PHASE=$(printf "%02d.%s" "${BASH_REMATCH[1]}" "${BASH_REMATCH[2]}")
fi

Validation

Use roadmap get-phase to validate phase exists:

PHASE_CHECK=$(node ".pi/gsd/bin/gsd-tools.cjs" roadmap get-phase "${PHASE}" --pick found)
if [ "$PHASE_CHECK" = "false" ]; then
  echo "ERROR: Phase ${PHASE} not found in roadmap"
  exit 1
fi

Directory Lookup

Use find-phase for directory lookup:

PHASE_DIR=$(node ".pi/gsd/bin/gsd-tools.cjs" find-phase "${PHASE}" --raw)

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