# Trace: Enable Using Latest Model Version Opus 4.6

Agent: claude-code | Model: Claude Opus 4.6 | Project: ralph

---

## User

When I run in plan mode, I get the following output and it seems to just sit there. Should I expect more? jc@Gizmo:~/src/mage$ ralph plan.md plan

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  RALPH - Autonomous AI Development Loop
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
  Plan:      plan.md
  Mode:      plan
  Progress:  plan_PROGRESS.md
  Commit:    enabled
  Notify:    Discord
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Exit conditions:
  - Planning completes when task list is created (Status: IN_PROGRESS)
  - Plan mode runs once then exits automatically
  - Press Ctrl+C to stop manually

## Assistant

## Assistant

Let me look at the ralph script to understand what's happening in plan mode.

## Assistant

### Tool: Read

**Args:**
```json
{
  "file_path": "/mnt/dest-btrfs/home/jc/ralph/ralph.sh"
}
```

## Assistant

**Result** (success):
```
     1→#!/bin/bash
     2→# Ralph - Autonomous AI Development Loop
     3→# Usage: ralph <plan-file> [plan|build] [max-iterations]
     4→#
     5→# Examples:
     6→#   ralph ./my-feature-plan.md           # Build mode (default), runs until RALPH_DONE
     7→#   ralph ./my-feature-plan.md plan      # Plan mode, generates implementation tasks
     8→#   ralph ./my-feature-plan.md build 20  # Build mode, max 20 iterations
     9→#
    10→# Exit conditions:
    11→#   - Plan mode: Exits after 1 iteration (planning complete)
    12→#   - Build mode: "RALPH_DONE" appears in progress file
    13→#   - Max iterations reached (if specified)
    14→#   - Ctrl+C
    15→#
    16→# Progress is tracked in: <plan-name>_PROGRESS.md (in current directory)
    17→
    18→set -euo pipefail
    19→
    20→RALPH_DIR="$(cd "$(dirname "$0")" && pwd)"
    21→
    22→# Load constants
    23→if [ -f "$RALPH_DIR/lib/constants.sh" ]; then
    24→    source "$RALPH_DIR/lib/constants.sh"
    25→fi
    26→
    27→# Load platform utilities for cross-platform support
    28→if [ -f "$RALPH_DIR/lib/platform-utils.sh" ]; then
    29→    source "$RALPH_DIR/lib/platform-utils.sh"
    30→fi
    31→
    32→# Colors (defined early for use in validation messages)
    33→RED='\033[0;31m'
    34→GREEN='\033[0;32m'
    35→YELLOW='\033[1;33m'
    36→BLUE='\033[0;34m'
    37→NC='\033[0m' # No Color
    38→
    39→# Log directory for errors (use platform-appropriate paths)
    40→if command -v get_home_dir &>/dev/null && command -v get_temp_dir &>/dev/null; then
    41→    USER_HOME=$(get_home_dir)
    42→    TEMP_DIR=$(get_temp_dir)
    43→else
    44→    USER_HOME="${HOME}"
    45→    TEMP_DIR="${TMPDIR:-/tmp}"
    46→fi
    47→
    48→LOG_DIR="${USER_HOME}/.portableralph/logs"
    49→if ! mkdir -p "$LOG_DIR" 2>/dev/null; then
    50→    echo "Warning: Could not create log directory: $LOG_DIR" >&2
    51→    LOG_DIR="${TEMP_DIR}/ralph_logs"
    52→    mkdir -p "$LOG_DIR" 2>/dev/null || LOG_DIR=""
    53→fi
    54→
    55→# Error logging function
    56→log_error() {
    57→    local timestamp=$(date '+%Y-%m-%d %H:%M:%S')
    58→    local message="$1"
    59→    local logfile="${LOG_DIR}/ralph_$(date '+%Y%m%d').log"
    60→
    61→    # Log to file if LOG_DIR is available
    62→    if [ -n "$LOG_DIR" ] && [ -d "$LOG_DIR" ]; then
    63→        if ! echo "[$timestamp] ERROR: $message" >> "$logfile" 2>/dev/null; then
    64→            # If logging to file fails, at least note it on stderr
    65→            echo "[$timestamp] WARNING: Failed to write to log file: $logfile" >&2
    66→        fi
    67→    fi
    68→
    69→    # Always log to stderr
    70→    echo -e "${RED}Error: $message${NC}" >&2
    71→}
    72→
    73→# Source shared validation library
    74→source "${RALPH_DIR}/lib/validation.sh"
    75→
    76→# The following validation functions are now loaded from lib/validation.sh:
    77→# - validate_webhook_url() / validate_url()
    78→# - validate_numeric()
    79→# - validate_email()
    80→# - validate_file_path() / validate_path()
    81→# - json_escape()
    82→# - mask_token()
    83→
    84→# Just use the library's validate_path function
    85→# Users should be able to use whatever plan files they want
    86→validate_file_path() {
    87→    validate_path "$@"
    88→}
    89→
    90→# Validate config file syntax before sourcing
    91→validate_config() {
    92→    local config_file="$1"
    93→
    94→    # Check if file exists
    95→    if [ ! -f "$config_file" ]; then
    96→        return 0  # File doesn't exist, nothing to validate
    97→    fi
    98→
    99→    # Just check basic bash syntax
   100→    if ! bash -n "$config_file" 2>/dev/null; then
   101→        echo -e "${YELLOW}Warning: Syntax error in $config_file${NC}" >&2
   102→        echo -e "${YELLOW}Run: bash -n $config_file to see details${NC}" >&2
   103→        return 1
   104→    fi
   105→
   106→    return 0
   107→}
   108→
   109→# Load configuration (use platform-appropriate config location)
   110→RALPH_CONFIG_FILE="${USER_HOME}/.ralph.env"
   111→if [ -f "$RALPH_CONFIG_FILE" ] && validate_config "$RALPH_CONFIG_FILE"; then
   112→    source "$RALPH_CONFIG_FILE"
   113→
   114→    # Decrypt encrypted environment variables BEFORE validation
   115→    if [ -f "$RALPH_DIR/decrypt-env.sh" ]; then
   116→        source "$RALPH_DIR/decrypt-env.sh"
   117→        # Call decrypt_ralph_env directly to allow variable updates
   118→        # Capture any errors but don't pipe the output (which would run in a subshell)
   119→        if ! decrypt_ralph_env; then
   120→            echo -e "${YELLOW}Warning: Failed to decrypt some environment variables${NC}" >&2
   121→            echo "Some notification platforms may not work correctly" >&2
   122→        fi
   123→    fi
   124→
   125→    # Validate loaded configuration values (now with decrypted values)
   126→    if [ -n "${RALPH_SLACK_WEBHOOK_URL:-}" ]; then
   127→        if ! validate_webhook_url "$RALPH_SLACK_WEBHOOK_URL" "RALPH_SLACK_WEBHOOK_URL"; then
   128→            echo -e "${YELLOW}Warning: Invalid RALPH_SLACK_WEBHOOK_URL, disabling Slack notifications${NC}" >&2
   129→            unset RALPH_SLACK_WEBHOOK_URL
   130→        fi
   131→    fi
   132→
   133→    if [ -n "${RALPH_DISCORD_WEBHOOK_URL:-}" ]; then
   134→        if ! validate_webhook_url "$RALPH_DISCORD_WEBHOOK_URL" "RALPH_DISCORD_WEBHOOK_URL"; then
   135→            echo -e "${YELLOW}Warning: Invalid RALPH_DISCORD_WEBHOOK_URL, disabling Discord notifications${NC}" >&2
   136→            unset RALPH_DISCORD_WEBHOOK_URL
   137→        fi
   138→    fi
   139→
   140→    if [ -n "${RALPH_EMAIL_TO:-}" ]; then
   141→        if ! validate_email "$RALPH_EMAIL_TO" "RALPH_EMAIL_TO"; then
   142→            echo -e "${YELLOW}Warning: Invalid RALPH_EMAIL_TO, disabling email notifications${NC}" >&2
   143→            unset RALPH_EMAIL_TO
   144→        fi
   145→    fi
   146→
   147→    if [ -n "${RALPH_EMAIL_FROM:-}" ]; then
   148→        if ! validate_email "$RALPH_EMAIL_FROM" "RALPH_EMAIL_FROM"; then
   149→            echo -e "${YELLOW}Warning: Invalid RALPH_EMAIL_FROM, disabling email notifications${NC}" >&2
   150→            unset RALPH_EMAIL_FROM
   151→        fi
   152→    fi
   153→
   154→    if [ -n "${RALPH_NOTIFY_FREQUENCY:-}" ]; then
   155→        # Note: Not using 'local' here since we're at top level, not in a function
   156→        _notify_min="${NOTIFY_FREQUENCY_MIN:-1}"
   157→        _notify_max="${NOTIFY_FREQUENCY_MAX:-100}"
   158→        _notify_default="${NOTIFY_FREQUENCY_DEFAULT:-5}"
   159→        if ! validate_numeric "$RALPH_NOTIFY_FREQUENCY" "RALPH_NOTIFY_FREQUENCY" "$_notify_min" "$_notify_max"; then
   160→            echo -e "${YELLOW}Warning: Invalid RALPH_NOTIFY_FREQUENCY, using default: ${_notify_default}${NC}" >&2
   161→            export RALPH_NOTIFY_FREQUENCY="$_notify_default"
   162→        fi
   163→        unset _notify_min _notify_max _notify_default
   164→    fi
   165→fi
   166→
   167→VERSION="1.7.0"
   168→
   169→# Auto-commit setting (default: true)
   170→# Can be disabled via: ralph config commit off
   171→# Or by adding DO_NOT_COMMIT on its own line in the plan file
   172→RALPH_AUTO_COMMIT="${RALPH_AUTO_COMMIT:-true}"
   173→
   174→# Check if plan file contains DO_NOT_COMMIT directive
   175→# Skips content inside ``` code blocks to avoid false positives
   176→should_skip_commit_from_plan() {
   177→    local plan_file="$1"
   178→    [ ! -f "$plan_file" ] && return 1
   179→
   180→    # Use awk to skip code blocks and find DO_NOT_COMMIT on its own line
   181→    # Handles whitespace before/after the directive
   182→    awk '
   183→        /^```/ { in_code = !in_code; next }
   184→        !in_code && /^[[:space:]]*DO_NOT_COMMIT[[:space:]]*$/ { found=1; exit }
   185→        END { exit !found }
   186→    ' "$plan_file"
   187→}
   188→
   189→# Notification helper with retry logic and error logging
   190→notify() {
   191→    local message="$1"
   192→    local emoji="${2:-}"
   193→    local max_retries="${NOTIFY_MAX_RETRIES:-3}"
   194→    local retry_delay="${NOTIFY_RETRY_DELAY:-2}"
   195→    local attempt=1
   196→    local notification_log="${LOG_DIR}/ralph_notifications_$(date '+%Y%m%d').log"
   197→
   198→    # Skip if LOG_DIR is not available (use platform-appropriate null device)
   199→    if [ -z "$LOG_DIR" ] || [ ! -d "$LOG_DIR" ]; then
   200→        if command -v get_null_device &>/dev/null; then
   201→            notification_log="$(get_null_device)"
   202→        else
   203→            notification_log="/dev/null"
   204→        fi
   205→    fi
   206→
   207→    while [ $attempt -le $max_retries ]; do
   208→        local notify_output
   209→        local notify_exit=0
   210→
   211→        # Capture output and exit code
   212→        notify_output=$("$RALPH_DIR/notify.sh" "$message" "$emoji" 2>&1) || notify_exit=$?
   213→
   214→        # Log the output with proper error handling (check for null device)
   215→        local null_dev="/dev/null"
   216→        if command -v get_null_device &>/dev/null; then
   217→            null_dev="$(get_null_device)"
   218→        fi
   219→        if [ "$notification_log" != "$null_dev" ] && [ "$notification_log" != "NUL" ]; then
   220→            if ! echo "[$(date '+%Y-%m-%d %H:%M:%S')] Attempt $attempt: $notify_output" >> "$notification_log" 2>/dev/null; then
   221→                # If logging fails, report to stderr but don't fail the notification
   222→                echo "Warning: Failed to write to notification log: $notification_log" >&2
   223→            fi
   224→        fi
   225→
   226→        if [ $notify_exit -eq 0 ]; then
   227→            return 0
   228→        fi
   229→
   230→        if [ $attempt -lt $max_retries ]; then
   231→            log_error "Notification attempt $attempt/$max_retries failed (exit $notify_exit), retrying in ${retry_delay}s..."
   232→            sleep $retry_delay
   233→            # Exponential backoff
   234→            retry_delay=$((retry_delay * 2))
   235→        else
   236→            local msg_truncate="${MESSAGE_TRUNCATE_LENGTH:-100}"
   237→            log_error "Notification failed after $max_retries attempts (exit $notify_exit): ${message:0:$msg_truncate}..."
   238→        fi
   239→
   240→        attempt=$((attempt + 1))
   241→    done
   242→
   243→    return 1  # Failed after all retries
   244→}
   245→
   246→# Check if any notification platform is configured
   247→notifications_enabled() {
   248→    [ -n "${RALPH_SLACK_WEBHOOK_URL:-}" ] || \
   249→    [ -n "${RALPH_DISCORD_WEBHOOK_URL:-}" ] || \
   250→    ([ -n "${RALPH_TELEGRAM_BOT_TOKEN:-}" ] && [ -n "${RALPH_TELEGRAM_CHAT_ID:-}" ]) || \
   251→    [ -n "${RALPH_CUSTOM_NOTIFY_SCRIPT:-}" ]
   252→}
   253→
   254→usage() {
   255→    echo -e "${GREEN}PortableRalph${NC} v${VERSION} - Autonomous AI Development Loop"
   256→    echo ""
   257→    echo -e "${YELLOW}Usage:${NC}"
   258→    echo "  ralph <plan-file> [mode] [max-iterations]"
   259→    echo "  ralph update [--check|--list|<version>]"
   260→    echo "  ralph rollback"
   261→    echo "  ralph config <setting>"
   262→    echo "  ralph notify <setup|test>"
   263→    echo "  ralph --help | -h"
   264→    echo "  ralph --version | -v"
   265→    echo ""
   266→    echo -e "${YELLOW}Full path:${NC} ~/ralph/ralph.sh (alias: ralph)"
   267→    echo ""
   268→    echo -e "${YELLOW}Arguments:${NC}"
   269→    echo "  plan-file       Path to your plan/spec file (required)"
   270→    echo "  mode            'plan' or 'build' (default: build)"
   271→    echo "  max-iterations  Maximum loop iterations (default: unlimited)"
   272→    echo ""
   273→    echo -e "${YELLOW}Modes:${NC}"
   274→    echo "  plan   Analyze codebase, create task list (runs once, then exits)"
   275→    echo "  build  Implement tasks one at a time until RALPH_DONE"
   276→    echo ""
   277→    echo -e "${YELLOW}Examples:${NC}"
   278→    echo "  ralph ./feature.md              # Build until done"
   279→    echo "  ralph ./feature.md plan         # Plan only (creates task list, exits)"
   280→    echo "  ralph ./feature.md build 20     # Build, max 20 iterations"
   281→    echo ""
   282→    echo -e "${YELLOW}Exit Conditions:${NC}"
   283→    echo "  - Plan mode: Exits after 1 iteration when task list is created"
   284→    echo "  - Build mode: RALPH_DONE appears in <plan-name>_PROGRESS.md"
   285→    echo "  - Max iterations reached (if specified)"
   286→    echo "  - Ctrl+C"
   287→    echo ""
   288→    echo -e "${YELLOW}Progress File:${NC}"
   289→    echo "  Created as <plan-name>_PROGRESS.md in current directory"
   290→    echo "  This is the only artifact left in your repo"
   291→    echo ""
   292→    echo -e "${YELLOW}Updates:${NC}"
   293→    echo "  ralph update              Update to latest version"
   294→    echo "  ralph update --check      Check for updates without installing"
   295→    echo "  ralph update --list       List all available versions"
   296→    echo "  ralph update <version>    Install specific version (e.g., 1.4.0)"
   297→    echo "  ralph rollback            Rollback to previous version"
   298→    echo ""
   299→    echo -e "${YELLOW}Configuration:${NC}"
   300→    echo "  ralph config commit on      Enable auto-commit (default)"
   301→    echo "  ralph config commit off     Disable auto-commit"
   302→    echo "  ralph config commit status  Show current setting"
   303→    echo ""
   304→    echo -e "${YELLOW}Plan File Directives:${NC}"
   305→    echo "  Add DO_NOT_COMMIT on its own line to disable commits for that plan"
   306→    echo ""
   307→    echo -e "${YELLOW}Notifications (optional):${NC}"
   308→    echo "  Supports Slack, Discord, Telegram, and custom scripts"
   309→    echo "  ralph notify setup    Configure notification platforms"
   310→    echo "  ralph notify test     Send a test notification"
   311→    echo ""
   312→    echo "More info: https://github.com/aaron777collins/portableralph"
   313→    exit 0
   314→}
   315→
   316→version() {
   317→    echo "PortableRalph v${VERSION}"
   318→    exit 0
   319→}
   320→
   321→# Parse arguments
   322→if [ $# -lt 1 ]; then
   323→    usage
   324→fi
   325→
   326→# Handle help and version flags
   327→if [ "$1" = "--help" ] || [ "$1" = "-h" ] || [ "$1" = "help" ]; then
   328→    usage
   329→fi
   330→
   331→if [ "$1" = "--version" ] || [ "$1" = "-v" ]; then
   332→    version
   333→fi
   334→
   335→if [ "$1" = "--test-notify" ] || [ "$1" = "--test-notifications" ]; then
   336→    "$RALPH_DIR/notify.sh" --test
   337→    exit 0
   338→fi
   339→
   340→# Handle update subcommand
   341→if [ "$1" = "update" ]; then
   342→    exec "$RALPH_DIR/update.sh" "${@:2}"
   343→fi
   344→
   345→# Handle rollback subcommand
   346→if [ "$1" = "rollback" ]; then
   347→    exec "$RALPH_DIR/update.sh" --rollback
   348→fi
   349→
   350→# Handle notify subcommand
   351→if [ "$1" = "notify" ]; then
   352→    case "${2:-}" in
   353→        setup)
   354→            exec "$RALPH_DIR/setup-notifications.sh"
   355→            ;;
   356→        test)
   357→            exec "$RALPH_DIR/notify.sh" --test
   358→            ;;
   359→        "")
   360→            echo -e "${YELLOW}Usage:${NC} ralph notify <command>"
   361→            echo ""
   362→            echo -e "${YELLOW}Commands:${NC}"
   363→            echo "  setup    Configure Slack, Discord, Telegram, or custom notifications"
   364→            echo "  test     Send a test notification to all configured platforms"
   365→            exit 1
   366→            ;;
   367→        *)
   368→            echo -e "${RED}Unknown notify command: $2${NC}"
   369→            echo "Run 'ralph notify' for available commands."
   370→            exit 1
   371→            ;;
   372→    esac
   373→fi
   374→
   375→# Handle config subcommand
   376→if [ "$1" = "config" ]; then
   377→    CONFIG_FILE="$RALPH_CONFIG_FILE"
   378→
   379→    # Helper to set a config value (handles both export and non-export patterns)
   380→    set_config_value() {
   381→        local key="$1"
   382→        local value="$2"
   383→
   384→        # Security: Escape special characters in value for safe sed usage
   385→        # This prevents sed injection by escaping: / \ & newlines and special chars
   386→        local escaped_value
   387→        escaped_value=$(printf '%s\n' "$value" | sed -e 's/[\/&]/\\&/g' -e 's/$/\\/' | tr -d '\n' | sed 's/\\$//')
   388→
   389→        if [ -f "$CONFIG_FILE" ]; then
   390→            # Check if key exists (with or without export)
   391→            if grep -qE "^(export )?${key}=" "$CONFIG_FILE" 2>/dev/null; then
   392→                # Update existing (handle both patterns)
   393→                # Use a temporary file for atomic operation
   394→                local temp_file
   395→                temp_file=$(mktemp) || {
   396→                    log_error "Failed to create temp file for config update"
   397→                    return 1
   398→                }
   399→                chmod 600 "$temp_file"
   400→                trap 'rm -f "$temp_file" 2>/dev/null' RETURN
   401→
   402→                # Process the file line by line to avoid sed injection
   403→                while IFS= read -r line || [ -n "$line" ]; do
   404→                    if [[ "$line" =~ ^export\ ${key}= ]] || [[ "$line" =~ ^${key}= ]]; then
   405→                        echo "export ${key}=\"${escaped_value}\""
   406→                    else
   407→                        echo "$line"
   408→                    fi
   409→                done < "$CONFIG_FILE" > "$temp_file"
   410→
   411→                mv "$temp_file" "$CONFIG_FILE"
   412→            else
   413→                # Append to existing file (preserve content)
   414→                echo "" >> "$CONFIG_FILE"
   415→                echo "# Auto-commit setting" >> "$CONFIG_FILE"
   416→                echo "export ${key}=\"${escaped_value}\"" >> "$CONFIG_FILE"
   417→            fi
   418→        else
   419→            # Create new file
   420→            echo '# PortableRalph Configuration' > "$CONFIG_FILE"
   421→            echo "# Generated on $(date)" >> "$CONFIG_FILE"
   422→            echo "" >> "$CONFIG_FILE"
   423→            echo "export ${key}=\"${escaped_value}\"" >> "$CONFIG_FILE"
   424→            chmod 600 "$CONFIG_FILE"
   425→        fi
   426→    }
   427→
   428→    case "${2:-}" in
   429→        commit)
   430→            case "${3:-}" in
   431→                on|true|yes|1)
   432→                    set_config_value "RALPH_AUTO_COMMIT" "true"
   433→                    echo -e "${GREEN}Auto-commit enabled${NC}"
   434→                    echo "Ralph will commit after each iteration."
   435→                    ;;
   436→                off|false|no|0)
   437→                    set_config_value "RALPH_AUTO_COMMIT" "false"
   438→                    echo -e "${YELLOW}Auto-commit disabled${NC}"
   439→                    echo "Ralph will NOT commit after each iteration."
   440→                    echo "You can also add DO_NOT_COMMIT on its own line in your plan file."
   441→                    ;;
   442→                status|"")
   443→                    echo -e "${YELLOW}Auto-commit setting:${NC}"
   444→                    if [ "$RALPH_AUTO_COMMIT" = "true" ]; then
   445→                        echo -e "  Current: ${GREEN}enabled${NC} (commits after each iteration)"
   446→                    else
   447→                        echo -e "  Current: ${YELLOW}disabled${NC} (no automatic commits)"
   448→                    fi
   449→                    echo ""
   450→                    echo -e "${YELLOW}Usage:${NC}"
   451→                    echo "  ralph config commit on     Enable auto-commit (default)"
   452→                    echo "  ralph config commit off    Disable auto-commit"
   453→                    echo ""
   454→                    echo -e "${YELLOW}Plan file override:${NC}"
   455→                    echo "  Add DO_NOT_COMMIT on its own line to disable commits for that plan"
   456→                    ;;
   457→                *)
   458→                    echo -e "${RED}Unknown option: $3${NC}"
   459→                    echo "Usage: ralph config commit <on|off|status>"
   460→                    exit 1
   461→                    ;;
   462→            esac
   463→            exit 0
   464→            ;;
   465→        "")
   466→            echo -e "${YELLOW}Usage:${NC} ralph config <setting>"
   467→            echo ""
   468→            echo -e "${YELLOW}Settings:${NC}"
   469→            echo "  commit <on|off|status>    Configure auto-commit behavior"
   470→            exit 1
   471→            ;;
   472→        *)
   473→            echo -e "${RED}Unknown config setting: $2${NC}"
   474→            echo "Run 'ralph config' for available settings."
   475→            exit 1
   476→            ;;
   477→    esac
   478→fi
   479→
   480→PLAN_FILE="$1"
   481→MODE="${2:-build}"
   482→MAX_ITERATIONS="${3:-${MAX_ITERATIONS_DEFAULT:-0}}"
   483→
   484→# Validate plan file path and existence
   485→if ! validate_file_path "$PLAN_FILE" "Plan file"; then
   486→    exit 1
   487→fi
   488→
   489→if [ ! -f "$PLAN_FILE" ]; then
   490→    log_error "Plan file not found: $PLAN_FILE"
   491→    exit 1
   492→fi
   493→
   494→# Validate mode
   495→if [ "$MODE" != "plan" ] && [ "$MODE" != "build" ]; then
   496→    log_error "Mode must be 'plan' or 'build', got: $MODE"
   497→    echo "Run 'ralph --help' for usage information."
   498→    exit 1
   499→fi
   500→
   501→# Validate max iterations
   502→if [ "$MAX_ITERATIONS" != "0" ]; then
   503→    max_iter_min="${MAX_ITERATIONS_MIN:-1}"
   504→    max_iter_max="${MAX_ITERATIONS_MAX:-10000}"
   505→    if ! validate_numeric "$MAX_ITERATIONS" "Max iterations" "$max_iter_min" "$max_iter_max"; then
   506→        exit 1
   507→    fi
   508→fi
   509→
   510→# Derive progress file name from plan file
   511→PLAN_BASENAME=$(basename "$PLAN_FILE" .md)
   512→PROGRESS_FILE="${PLAN_BASENAME}_PROGRESS.md"
   513→PLAN_FILE_ABS=$(realpath "$PLAN_FILE")
   514→
   515→# Select prompt template
   516→if [ "$MODE" = "plan" ]; then
   517→    PROMPT_TEMPLATE="$RALPH_DIR/PROMPT_plan.md"
   518→else
   519→    PROMPT_TEMPLATE="$RALPH_DIR/PROMPT_build.md"
   520→fi
   521→
   522→# Verify prompt template exists
   523→if [ ! -f "$PROMPT_TEMPLATE" ]; then
   524→    echo -e "${RED}Error: Prompt template not found: $PROMPT_TEMPLATE${NC}"
   525→    echo "Run the setup script or create the template manually."
   526→    exit 1
   527→fi
   528→
   529→# Compute commit setting (check env var and plan file)
   530→# DO_NOT_COMMIT in plan file takes precedence for that specific plan
   531→SHOULD_COMMIT="true"
   532→COMMIT_DISABLED_REASON=""
   533→if [ "$RALPH_AUTO_COMMIT" != "true" ]; then
   534→    SHOULD_COMMIT="false"
   535→    COMMIT_DISABLED_REASON="(disabled via config)"
   536→elif should_skip_commit_from_plan "$PLAN_FILE"; then
   537→    SHOULD_COMMIT="false"
   538→    COMMIT_DISABLED_REASON="(DO_NOT_COMMIT in plan)"
   539→fi
   540→
   541→# Print banner
   542→echo ""
   543→echo -e "${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   544→echo -e "${GREEN}  RALPH - Autonomous AI Development Loop${NC}"
   545→echo -e "${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   546→echo -e "  Plan:      ${YELLOW}$PLAN_FILE${NC}"
   547→echo -e "  Mode:      ${YELLOW}$MODE${NC}"
   548→echo -e "  Progress:  ${YELLOW}$PROGRESS_FILE${NC}"
   549→[ "$MAX_ITERATIONS" -gt 0 ] && echo -e "  Max Iter:  ${YELLOW}$MAX_ITERATIONS${NC}"
   550→if [ "$SHOULD_COMMIT" = "true" ]; then
   551→    echo -e "  Commit:    ${GREEN}enabled${NC}"
   552→else
   553→    echo -e "  Commit:    ${YELLOW}disabled${NC} ${COMMIT_DISABLED_REASON}"
   554→fi
   555→if notifications_enabled; then
   556→    PLATFORMS=""
   557→    [ -n "${RALPH_SLACK_WEBHOOK_URL:-}" ] && PLATFORMS="${PLATFORMS}Slack "
   558→    [ -n "${RALPH_DISCORD_WEBHOOK_URL:-}" ] && PLATFORMS="${PLATFORMS}Discord "
   559→    [ -n "${RALPH_TELEGRAM_BOT_TOKEN:-}" ] && [ -n "${RALPH_TELEGRAM_CHAT_ID:-}" ] && PLATFORMS="${PLATFORMS}Telegram "
   560→    [ -n "${RALPH_CUSTOM_NOTIFY_SCRIPT:-}" ] && PLATFORMS="${PLATFORMS}Custom "
   561→    echo -e "  Notify:    ${GREEN}${PLATFORMS}${NC}"
   562→else
   563→    echo -e "  Notify:    ${YELLOW}disabled${NC} (run 'ralph notify setup')"
   564→fi
   565→echo -e "${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   566→echo ""
   567→echo -e "${YELLOW}Exit conditions:${NC}"
   568→if [ "$MODE" = "plan" ]; then
   569→    echo "  - Planning completes when task list is created (Status: IN_PROGRESS)"
   570→    echo "  - Plan mode runs once then exits automatically"
   571→else
   572→    echo "  - RALPH_DONE in $PROGRESS_FILE signals all tasks complete (set by AI)"
   573→fi
   574→echo "  - Press Ctrl+C to stop manually"
   575→echo ""
   576→
   577→# Send start notification to Slack
   578→REPO_NAME=$(basename "$(pwd)")
   579→notify ":rocket: *Ralph Started*\n\`\`\`Plan: $PLAN_BASENAME\nMode: $MODE\nRepo: $REPO_NAME\`\`\`" ":rocket:"
   580→
   581→# Initialize progress file if it doesn't exist
   582→if [ ! -f "$PROGRESS_FILE" ]; then
   583→    echo "# Progress: $PLAN_BASENAME" > "$PROGRESS_FILE"
   584→    echo "" >> "$PROGRESS_FILE"
   585→    echo "Started: $(date)" >> "$PROGRESS_FILE"
   586→    echo "" >> "$PROGRESS_FILE"
   587→    echo "## Status" >> "$PROGRESS_FILE"
   588→    echo "" >> "$PROGRESS_FILE"
   589→    echo "IN_PROGRESS" >> "$PROGRESS_FILE"
   590→    echo "" >> "$PROGRESS_FILE"
   591→    echo "## Tasks Completed" >> "$PROGRESS_FILE"
   592→    echo "" >> "$PROGRESS_FILE"
   593→fi
   594→
   595→ITERATION=0
   596→
   597→# Check for completion
   598→# Uses -x to match whole lines only, preventing false positives from
   599→# instructional text like "DO NOT set RALPH_DONE" in the progress file
   600→is_done() {
   601→    if [ -f "$PROGRESS_FILE" ]; then
   602→        grep -qx "RALPH_DONE" "$PROGRESS_FILE" 2>/dev/null && return 0
   603→    fi
   604→    return 1
   605→}
   606→
   607→# ============================================================================
   608→# CONCURRENCY PROTECTION (Fix for GitHub Issue #1)
   609→# ============================================================================
   610→# Prevent multiple Ralph instances from running on the same plan file
   611→# This fixes API Error 400 due to tool use race conditions
   612→
   613→# Generate lock file path based on plan file (unique per plan)
   614→PLAN_HASH=$(echo "$PLAN_FILE_ABS" | md5sum 2>/dev/null | cut -d' ' -f1 || echo "$PLAN_BASENAME")
   615→LOCK_FILE="${TEMP_DIR:-/tmp}/ralph_${PLAN_HASH}.lock"
   616→
   617→# Cleanup function for graceful exit
   618→cleanup_lock() {
   619→    if [ -n "${LOCK_FILE:-}" ]; then
   620→        release_lock "$LOCK_FILE" 2>/dev/null || true
   621→    fi
   622→}
   623→
   624→# Set up trap to release lock on exit (normal or error)
   625→trap cleanup_lock EXIT INT TERM
   626→
   627→# Acquire lock before starting the main loop
   628→if ! acquire_lock "$LOCK_FILE"; then
   629→    echo -e "${RED}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   630→    echo -e "${RED}  ERROR: Another Ralph instance is already running this plan${NC}"
   631→    echo -e "${RED}  Plan: $PLAN_FILE${NC}"
   632→    echo -e "${RED}  Lock: $LOCK_FILE${NC}"
   633→    echo -e "${RED}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   634→    echo ""
   635→    echo -e "${YELLOW}To force a new instance, remove the lock file:${NC}"
   636→    echo -e "  rm -f $LOCK_FILE"
   637→    exit 1
   638→fi
   639→
   640→echo -e "${GREEN}Lock acquired: $LOCK_FILE${NC}"
   641→
   642→# Main loop
   643→while true; do
   644→    # Check exit conditions
   645→    if is_done; then
   646→        echo ""
   647→        echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   648→        echo -e "${GREEN}  RALPH_DONE - Work complete!${NC}"
   649→        echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   650→        notify ":white_check_mark: *Ralph Complete!*\n\`\`\`Plan: $PLAN_BASENAME\nIterations: $ITERATION\nRepo: $REPO_NAME\`\`\`" ":white_check_mark:"
   651→        break
   652→    fi
   653→
   654→    if [ "$MAX_ITERATIONS" -gt 0 ] && [ "$ITERATION" -ge "$MAX_ITERATIONS" ]; then
   655→        echo ""
   656→        echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   657→        echo -e "${YELLOW}  Max iterations reached: $MAX_ITERATIONS${NC}"
   658→        echo -e "${YELLOW}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   659→        notify ":warning: *Ralph Stopped*\n\`\`\`Plan: $PLAN_BASENAME\nReason: Max iterations reached ($MAX_ITERATIONS)\nRepo: $REPO_NAME\`\`\`" ":warning:"
   660→        break
   661→    fi
   662→
   663→    ITERATION=$((ITERATION + 1))
   664→    echo ""
   665→    echo -e "${BLUE}══════════════════ ITERATION $ITERATION ══════════════════${NC}"
   666→    echo ""
   667→
   668→    # Build the prompt with substitutions (safely escape for sed to prevent injection)
   669→    # Escape special sed characters: & \ / newlines
   670→    escape_sed() {
   671→        local str="$1"
   672→        # Escape backslashes first, then forward slashes, then ampersands
   673→        str="${str//\\/\\\\}"
   674→        str="${str//\//\\/}"
   675→        str="${str//&/\\&}"
   676→        printf '%s' "$str"
   677→    }
   678→
   679→    # Variables for sed escaping (not using local since we're in main loop, not a function)
   680→    safe_plan_file=$(escape_sed "$PLAN_FILE_ABS")
   681→    safe_progress_file=$(escape_sed "$PROGRESS_FILE")
   682→    safe_plan_name=$(escape_sed "$PLAN_BASENAME")
   683→    safe_should_commit=$(escape_sed "$SHOULD_COMMIT")
   684→
   685→    PROMPT=$(cat "$PROMPT_TEMPLATE" | \
   686→        sed "s|\${PLAN_FILE}|$safe_plan_file|g" | \
   687→        sed "s|\${PROGRESS_FILE}|$safe_progress_file|g" | \
   688→        sed "s|\${PLAN_NAME}|$safe_plan_name|g" | \
   689→        sed "s|\${AUTO_COMMIT}|$safe_should_commit|g")
   690→
   691→    # Run Claude with retry logic (configurable attempts with exponential backoff)
   692→    max_claude_retries="${CLAUDE_MAX_RETRIES:-3}"
   693→    claude_retry_delay="${CLAUDE_RETRY_DELAY:-5}"
   694→    claude_attempt=1
   695→    claude_success=false
   696→    claude_exit_code=0
   697→    claude_errors=""
   698→    error_detected=false
   699→    error_type="unknown"
   700→
   701→    while [ $claude_attempt -le $max_claude_retries ]; do
   702→        if [ $claude_attempt -gt 1 ]; then
   703→            echo -e "${YELLOW}Retrying Claude CLI (attempt $claude_attempt/$max_claude_retries) in ${claude_retry_delay}s...${NC}"
   704→            sleep $claude_retry_delay
   705→        fi
   706→
   707→        # Reset for this attempt
   708→        claude_exit_code=0
   709→        error_detected=false
   710→        error_type="unknown"
   711→        claude_output_file=$(mktemp) || {
   712→            log_error "Failed to create temp file for Claude output"
   713→            exit 1
   714→        }
   715→        claude_error_file=$(mktemp) || {
   716→            rm -f "$claude_output_file"
   717→            log_error "Failed to create temp file for Claude errors"
   718→            exit 1
   719→        }
   720→        chmod 600 "$claude_output_file" "$claude_error_file"
   721→
   722→        # Run Claude
   723→        echo "$PROMPT" | claude -p \
   724→            --dangerously-skip-permissions \
   725→            --model sonnet \
   726→            --verbose > "$claude_output_file" 2>"$claude_error_file" || claude_exit_code=$?
   727→
   728→        # Display output on first attempt or final retry
   729→        if [ $claude_attempt -eq 1 ] || [ $claude_attempt -eq $max_claude_retries ]; then
   730→            if [ -f "$claude_output_file" ]; then
   731→                cat "$claude_output_file"
   732→            fi
   733→        fi
   734→
   735→        # Capture any error output
   736→        claude_errors=""
   737→        if [ -f "$claude_error_file" ]; then
   738→            claude_errors=$(cat "$claude_error_file" 2>/dev/null || echo "")
   739→        fi
   740→
   741→        # Check for known error patterns even if exit code is 0
   742→        if [ $claude_exit_code -ne 0 ]; then
   743→            error_detected=true
   744→            case $claude_exit_code in
   745→                1)   error_type="general error" ;;
   746→                2)   error_type="CLI usage error" ;;
   747→                130) error_type="interrupted by user (Ctrl+C)" ;;
   748→                *)   error_type="exit code $claude_exit_code" ;;
   749→            esac
   750→        fi
   751→
   752→        # Check error output for known patterns
   753→        if [ -n "$claude_errors" ]; then
   754→            if echo "$claude_errors" | grep -qi "authentication\|unauthorized\|api.*key"; then
   755→                error_detected=true
   756→                error_type="authentication failure"
   757→            elif echo "$claude_errors" | grep -qi "rate.*limit\|too.*many.*requests"; then
   758→                error_detected=true
   759→                error_type="rate limit exceeded"
   760→            elif echo "$claude_errors" | grep -qi "network\|connection\|timeout"; then
   761→                error_detected=true
   762→                error_type="network error"
   763→            elif echo "$claude_errors" | grep -qi "not.*found\|command.*not.*found"; then
   764→                error_detected=true
   765→                error_type="Claude CLI not found or not in PATH"
   766→            # GitHub Issue #1: Detect API 400 errors from tool use concurrency
   767→            elif echo "$claude_errors" | grep -qi "400\|bad.*request\|tool.*use\|concurrency"; then
   768→                error_detected=true
   769→                error_type="API 400 error (tool use concurrency)"
   770→            fi
   771→        fi
   772→
   773→        # Clean up temp files
   774→        rm -f "$claude_output_file" "$claude_error_file"
   775→
   776→        # Check if we succeeded
   777→        if [ "$error_detected" = false ]; then
   778→            claude_success=true
   779→            break
   780→        fi
   781→
   782→        # Log the attempt error
   783→        log_error "Claude CLI error at iteration $ITERATION (attempt $claude_attempt/$max_claude_retries): $error_type"
   784→        if [ -n "$claude_errors" ]; then
   785→            err_truncate="${ERROR_DETAILS_TRUNCATE_LENGTH:-500}"
   786→            log_error "Error details: ${claude_errors:0:$err_truncate}"
   787→        fi
   788→
   789→        # For non-retryable errors, don't retry
   790→        if [[ "$error_type" =~ "authentication"|"CLI usage error"|"interrupted by user"|"not found" ]]; then
   791→            echo -e "${RED}Non-retryable error detected: $error_type${NC}"
   792→            break
   793→        fi
   794→
   795→        # Increment retry counter and increase backoff with jitter
   796→        claude_attempt=$((claude_attempt + 1))
   797→        if [ $claude_attempt -le $max_claude_retries ]; then
   798→            # Exponential backoff: 5s, 10s, 20s with random jitter (0-2s)
   799→            # Jitter prevents "thundering herd" when multiple instances retry simultaneously
   800→            # This is a key fix for GitHub Issue #1 (concurrency issues)
   801→            jitter=$((RANDOM % 3))
   802→            claude_retry_delay=$(( (claude_retry_delay * 2) + jitter ))
   803→        fi
   804→    done
   805→
   806→    # If all retries failed, stop iterations
   807→    if [ "$claude_success" = false ]; then
   808→        echo -e "${RED}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   809→        echo -e "${RED}  Claude CLI Error (after $claude_attempt attempts): $error_type${NC}"
   810→        echo -e "${RED}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   811→
   812→        # Check if this is a transient error that might benefit from manual retry
   813→        # API 400 (tool use concurrency) is now retryable with proper locking
   814→        if [[ "$error_type" =~ "rate limit"|"network"|"timeout"|"API 400" ]]; then
   815→            echo -e "${YELLOW}This appears to be a transient error.${NC}"
   816→            echo -e "${YELLOW}You may want to retry in a few minutes.${NC}"
   817→        fi
   818→
   819→        # Send error notification and log
   820→        log_error "Stopping Ralph due to Claude CLI failure at iteration $ITERATION after $claude_attempt attempts"
   821→        notify ":x: *Ralph Error*\n\`\`\`Plan: $PLAN_BASENAME\nIteration: $ITERATION\nError: $error_type (after $claude_attempt retries)\nRepo: $REPO_NAME\`\`\`" ":x:"
   822→        exit $claude_exit_code
   823→    fi
   824→
   825→    echo ""
   826→    echo -e "${GREEN}Iteration $ITERATION complete${NC}"
   827→
   828→    # Plan mode: exit after one iteration
   829→    if [ "$MODE" = "plan" ]; then
   830→        echo ""
   831→        echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   832→        echo -e "${GREEN}  Planning complete! Task list created in $PROGRESS_FILE${NC}"
   833→        echo -e "${GREEN}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
   834→        echo ""
   835→        echo -e "Next step: Run ${YELLOW}ralph $PLAN_FILE build${NC} to implement tasks"
   836→        notify ":clipboard: *Ralph Planning Complete!*\n\`\`\`Plan: $PLAN_BASENAME\nTask list created in: $PROGRESS_FILE\nRepo: $REPO_NAME\`\`\`" ":clipboard:"
   837→        break
   838→    fi
   839→
   840→    # Send iteration notification (configurable frequency via RALPH_NOTIFY_FREQUENCY)
   841→    notify_default="${NOTIFY_FREQUENCY_DEFAULT:-5}"
   842→    NOTIFY_FREQ="${RALPH_NOTIFY_FREQUENCY:-$notify_default}"
   843→    # Validate notification frequency
   844→    notify_min="${NOTIFY_FREQUENCY_MIN:-1}"
   845→    notify_max="${NOTIFY_FREQUENCY_MAX:-100}"
   846→    if ! validate_numeric "$NOTIFY_FREQ" "RALPH_NOTIFY_FREQUENCY" "$notify_min" "$notify_max"; then
   847→        NOTIFY_FREQ="$notify_default"
   848→        log_error "Invalid RALPH_NOTIFY_FREQUENCY, using default: $notify_default"
   849→    fi
   850→    if [ "$ITERATION" -eq 1 ] || [ $((ITERATION % NOTIFY_FREQ)) -eq 0 ]; then
   851→        notify ":gear: *Ralph Progress*: Iteration $ITERATION completed\n\`Plan: $PLAN_BASENAME\`" ":gear:"
   852→    fi
   853→
   854→    # Small delay between iterations
   855→    iter_delay="${ITERATION_DELAY:-2}"
   856→    sleep "$iter_delay"
   857→done
   858→
   859→echo ""
   860→echo "Total iterations: $ITERATION"
   861→echo "Progress file: $PROGRESS_FILE"
   862→
```

## Assistant

## Assistant

The script is working - it's just processing. After the banner and exit conditions, it does several things before showing visible output:

1. **Line 579**: Sends a Discord start notification (with retry logic - up to 3 attempts with exponential backoff)
2. **Lines 582-593**: Creates the progress file
3. **Lines 628-638**: Acquires a file lock
4. **Line 640**: Prints "Lock acquired: ..."
5. **Line 665**: Prints "ITERATION 1" 
6. **Line 723-726**: Runs `claude -p --dangerously-skip-permissions --model sonnet --verbose` piping in the prompt

The most likely reason it appears to hang is:

- **The Discord notification** on line 579 could be slow (each retry waits 2s, 4s, 8s if failing), OR
- **The `claude -p` command** on line 723 takes time to process - it's running Claude in non-interactive pipe mode, which can take 30+ seconds with no visible output since stdout/stderr go to temp files

You should eventually see "Lock acquired", then "ITERATION 1", then silence while Claude processes. After Claude finishes, you'll see its output and then the "Planning complete!" banner.

If you want to verify it's not truly stuck, you can:
- Check if a `plan_PROGRESS.md` file was created in your working directory
- Look for the lock file: `ls /tmp/ralph_*.lock`
- Check if a `claude` process is running: `ps aux | grep claude`

If the Discord webhook is misconfigured or unreachable, that alone could add ~14 seconds of delay (3 retries with exponential backoff) before the script moves on. You could also try running with notifications disabled to see if that's the bottleneck.

## User

I want to use the latest model - opus 4.6. Is that something I can set?

## Assistant

## Assistant

The model is hardcoded to `sonnet` on line 723-726 of `ralph.sh`:

```bash
echo "$PROMPT" | claude -p \
    --dangerously-skip-permissions \
    --model sonnet \
    --verbose
```

There's no config option for it currently. Want me to make the model configurable via `~/.ralph.env` with a `RALPH_MODEL` variable, defaulting to the current `sonnet` behavior? Then you'd just add:

```
export RALPH_MODEL="claude-opus-4-6"
```

to your `~/.ralph.env` to use Opus 4.6.

## User

Yes, let's make it configurable.

## Assistant

## Assistant

### Tool: Edit

**Args:**
```json
{
  "file_path": "/mnt/dest-btrfs/home/jc/ralph/ralph.sh",
  "new_string": "# Auto-commit setting (default: true)\n# Can be disabled via: ralph config commit off\n# Or by adding DO_NOT_COMMIT on its own line in the plan file\nRALPH_AUTO_COMMIT=\"${RALPH_AUTO_COMMIT:-true}\"\n\n# Model setting (default: sonnet)\n# Can be set via: export RALPH_MODEL=\"claude-opus-4-6\" in ~/.ralph.env\nRALPH_MODEL=\"${RALPH_MODEL:-sonnet}\"",
  "old_string": "# Auto-commit setting (default: true)\n# Can be disabled via: ralph config commit off\n# Or by adding DO_NOT_COMMIT on its own line in the plan file\nRALPH_AUTO_COMMIT=\"${RALPH_AUTO_COMMIT:-true}\"",
  "replace_all": false
}
```

## Assistant

**Result** (success):
```
The file /mnt/dest-btrfs/home/jc/ralph/ralph.sh has been updated successfully.
```

## Assistant

### Tool: Edit

**Args:**
```json
{
  "file_path": "/mnt/dest-btrfs/home/jc/ralph/ralph.sh",
  "new_string": "echo -e \"  Model:     ${YELLOW}$RALPH_MODEL${NC}\"\nif [ \"$SHOULD_COMMIT\" = \"true\" ]; then\n    echo -e \"  Commit:    ${GREEN}enabled${NC}\"\nelse\n    echo -e \"  Commit:    ${YELLOW}disabled${NC} ${COMMIT_DISABLED_REASON}\"\nfi",
  "old_string": "if [ \"$SHOULD_COMMIT\" = \"true\" ]; then\n    echo -e \"  Commit:    ${GREEN}enabled${NC}\"\nelse\n    echo -e \"  Commit:    ${YELLOW}disabled${NC} ${COMMIT_DISABLED_REASON}\"\nfi",
  "replace_all": false
}
```

## Assistant

**Result** (success):
```
The file /mnt/dest-btrfs/home/jc/ralph/ralph.sh has been updated successfully.
```

## Assistant

### Tool: Edit

**Args:**
```json
{
  "file_path": "/mnt/dest-btrfs/home/jc/ralph/ralph.sh",
  "new_string": "        echo \"$PROMPT\" | claude -p \\\n            --dangerously-skip-permissions \\\n            --model \"$RALPH_MODEL\" \\\n            --verbose > \"$claude_output_file\" 2>\"$claude_error_file\" || claude_exit_code=$?",
  "old_string": "        echo \"$PROMPT\" | claude -p \\\n            --dangerously-skip-permissions \\\n            --model sonnet \\\n            --verbose > \"$claude_output_file\" 2>\"$claude_error_file\" || claude_exit_code=$?",
  "replace_all": false
}
```

## Assistant

**Result** (success):
```
The file /mnt/dest-btrfs/home/jc/ralph/ralph.sh has been updated successfully.
```

## Assistant

Done. Three changes made:

1. **Default variable** (line 175): `RALPH_MODEL="${RALPH_MODEL:-sonnet}"` — defaults to `sonnet` if not set
2. **Banner display** (line 553): Shows the model in the startup banner
3. **Claude invocation** (line 726): Uses `$RALPH_MODEL` instead of hardcoded `sonnet`

To use Opus 4.6, add this to your `~/.ralph.env`:

```
export RALPH_MODEL="claude-opus-4-6"
```

Or override it for a single run:

```
RALPH_MODEL=claude-opus-4-6 ralph plan.md plan
```