diff --git a/.agent/scripts/fix-s131-default-cases.sh b/.agent/scripts/fix-s131-default-cases.sh
index 29de4e345..edbe431dd 100755
--- a/.agent/scripts/fix-s131-default-cases.sh
+++ b/.agent/scripts/fix-s131-default-cases.sh
@@ -15,10 +15,10 @@ readonly YELLOW='\033[1;33m'
 readonly RED='\033[0;31m'
 readonly NC='\033[0m'
 
-print_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
-print_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; }
-print_warning() { echo -e "${YELLOW}[WARNING]${NC} $1"; }
-print_error() { echo -e "${RED}[ERROR]${NC} $1" >&2; }
+print_info() { echo -e "${BLUE}[INFO]${NC} $1"; return 0; }
+print_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; return 0; }
+print_warning() { echo -e "${YELLOW}[WARNING]${NC} $1"; return 0; }
+print_error() { echo -e "${RED}[ERROR]${NC} $1" >&2; return 0; }
 
 DRY_RUN=false
 TARGET_FILE=""
@@ -105,6 +105,7 @@ find_missing_defaults() {
         }
     }
     ' "$file"
+    return 0
 }
 
 # Add default case before esac
diff --git a/.agent/scripts/generate-skills.sh b/.agent/scripts/generate-skills.sh
index ef585221c..0844414f0 100755
--- a/.agent/scripts/generate-skills.sh
+++ b/.agent/scripts/generate-skills.sh
@@ -59,18 +59,22 @@ done
 
 log_info() {
     echo -e "${BLUE}$1${NC}"
+    return 0
 }
 
 log_success() {
     echo -e "${GREEN}✓${NC} $1"
+    return 0
 }
 
 log_warning() {
     echo -e "${YELLOW}⚠${NC} $1"
+    return 0
 }
 
 log_error() {
     echo -e "${RED}✗${NC} $1"
+    return 0
 }
 
 # Extract frontmatter field from markdown file
@@ -92,6 +96,7 @@ extract_frontmatter_field() {
             exit
         }
     ' "$file"
+    return 0
 }
 
 # Extract description from file - tries frontmatter first, then first heading
@@ -127,6 +132,7 @@ extract_description() {
 to_skill_name() {
     local name="$1"
     echo "$name" | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9-]/-/g' | sed 's/--*/-/g' | sed 's/^-\|-$//g'
+    return 0
 }
 
 # Capitalize first letter (portable)
@@ -137,6 +143,7 @@ capitalize() {
     first=$(echo "$str" | cut -c1 | tr '[:lower:]' '[:upper:]')
     rest=$(echo "$str" | cut -c2-)
     echo "${first}${rest}"
+    return 0
 }
 
 # Generate SKILL.md content for a folder with parent .md
@@ -187,6 +194,7 @@ generate_folder_skill() {
         echo "## Subskills"
         echo "$subskills"
     fi
+    return 0
 }
 
 # Generate SKILL.md content for a leaf .md file
@@ -215,6 +223,7 @@ generate_leaf_skill() {
     echo "# ${title}"
     echo ""
     echo "See [${filename}.md](${relative_path}) for full instructions."
+    return 0
 }
 
 # =============================================================================
diff --git a/.agent/scripts/gsc-add-user-helper.sh b/.agent/scripts/gsc-add-user-helper.sh
index 7d770a195..24c9d28bb 100755
--- a/.agent/scripts/gsc-add-user-helper.sh
+++ b/.agent/scripts/gsc-add-user-helper.sh
@@ -14,10 +14,10 @@ YELLOW='\033[1;33m'
 BLUE='\033[0;34m'
 NC='\033[0m'
 
-log_info() { echo -e "${BLUE}[INFO]${NC} $1"; }
-log_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; }
-log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; }
-log_error() { echo -e "${RED}[ERROR]${NC} $1"; }
+log_info() { echo -e "${BLUE}[INFO]${NC} $1"; return 0; }
+log_success() { echo -e "${GREEN}[SUCCESS]${NC} $1"; return 0; }
+log_warn() { echo -e "${YELLOW}[WARN]${NC} $1"; return 0; }
+log_error() { echo -e "${RED}[ERROR]${NC} $1"; return 0; }
 
 show_help() {
     cat << 'HELP'
@@ -45,6 +45,7 @@ Requirements:
   - Chrome browser with logged-in Google session
   - User must have Owner access to GSC properties
 HELP
+    return 0
 }
 
 get_chrome_profile_path() {
@@ -63,6 +64,7 @@ get_chrome_profile_path() {
             exit 1
             ;;
     esac
+    return 0
 }
 
 ensure_playwright() {
@@ -76,6 +78,7 @@ ensure_playwright() {
         log_info "Installing Playwright..."
         npm install playwright
     fi
+    return 0
 }
 
 create_add_script() {
@@ -181,6 +184,7 @@ async function main() {
 
 main().catch(console.error);
 SCRIPT
+    return 0
 }
 
 create_list_script() {
@@ -215,11 +219,13 @@ async function main() {
 
 main().catch(console.error);
 SCRIPT
+    return 0
 }
 
 run_script() {
     cd "${WORK_DIR}" || exit
     node "${GSC_SCRIPT}"
+    return 0
 }
 
 cmd_add() {
@@ -266,6 +272,7 @@ cmd_add() {
     [[ -n "$excludes" ]] && log_info "Excluding: ${excludes}"
     
     run_script
+    return 0
 }
 
 cmd_list() {
@@ -274,6 +281,7 @@ cmd_list() {
     
     log_info "Listing all GSC properties..."
     run_script
+    return 0
 }
 
 cmd_check() {
@@ -287,6 +295,7 @@ cmd_check() {
     # Use the GSC MCP to check access
     log_info "Checking GSC API access for ${service_account}..."
     log_info "Run: opencode mcp call google-search-console list-sites"
+    return 0
 }
 
 # Main
diff --git a/.agent/scripts/memory-helper.sh b/.agent/scripts/memory-helper.sh
index 3f149f25c..0c546be18 100755
--- a/.agent/scripts/memory-helper.sh
+++ b/.agent/scripts/memory-helper.sh
@@ -85,6 +85,7 @@ extract_ids_from_json() {
         # Basic fallback - extract id values
         echo "$input" | grep -o '"id":"[^"]*"' | sed 's/"id":"//g; s/"//g'
     fi
+    return 0
 }
 
 #######################################
@@ -120,6 +121,7 @@ CREATE TABLE IF NOT EXISTS learning_access (
 EOF
         log_success "Database initialized"
     fi
+    return 0
 }
 
 #######################################
@@ -128,6 +130,7 @@ EOF
 generate_id() {
     # Use timestamp + random for uniqueness
     echo "mem_$(date +%Y%m%d%H%M%S)_$(head -c 4 /dev/urandom | xxd -p)"
+    return 0
 }
 
 #######################################
@@ -389,6 +392,7 @@ FROM learnings
 GROUP BY 1
 ORDER BY 1;
 EOF
+    return 0
 }
 
 #######################################
@@ -435,6 +439,7 @@ EOF
     local db_size
     db_size=$(du -h "$MEMORY_DB" | cut -f1)
     log_info "Database size: $db_size"
+    return 0
 }
 
 #######################################
@@ -615,6 +620,7 @@ EXAMPLES:
     # Clean up old unused entries
     memory-helper.sh prune --older-than-days 60 --dry-run
 EOF
+    return 0
 }
 
 #######################################
diff --git a/.agent/scripts/ralph-upstream-check.sh b/.agent/scripts/ralph-upstream-check.sh
index b65c35dcb..ff4cccced 100755
--- a/.agent/scripts/ralph-upstream-check.sh
+++ b/.agent/scripts/ralph-upstream-check.sh
@@ -41,20 +41,24 @@ verbose=false
 
 log_info() {
     echo -e "${BLUE}[ralph-upstream]${NC} $1"
+    return 0
 }
 
 log_success() {
     echo -e "${GREEN}[ralph-upstream]${NC} $1"
+    return 0
 }
 
 log_warning() {
     echo -e "${YELLOW}[ralph-upstream]${NC} $1"
+    return 0
 }
 
 log_verbose() {
     if [[ "$verbose" == "true" ]]; then
         echo -e "${BLUE}[ralph-upstream]${NC} $1"
     fi
+    return 0
 }
 
 # =============================================================================
@@ -63,6 +67,7 @@ log_verbose() {
 
 ensure_cache_dir() {
     mkdir -p "$CACHE_DIR"
+    return 0
 }
 
 is_cache_valid() {
@@ -86,12 +91,14 @@ read_cache() {
     if [[ -f "$CACHE_FILE" ]]; then
         cat "$CACHE_FILE"
     fi
+    return 0
 }
 
 write_cache() {
     local data="$1"
     ensure_cache_dir
     echo "$data" > "$CACHE_FILE"
+    return 0
 }
 
 # =============================================================================
@@ -115,6 +122,7 @@ get_file_sha() {
     local filename="$2"
     
     echo "$json" | jq -r ".[] | select(.name == \"$filename\") | .sha" 2>/dev/null || echo ""
+    return 0
 }
 
 fetch_file_content() {
@@ -122,6 +130,7 @@ fetch_file_content() {
     local url="https://raw.githubusercontent.com/${UPSTREAM_REPO}/main/${UPSTREAM_PATH}/${filename}"
     
     curl -sf "$url" 2>/dev/null || echo ""
+    return 0
 }
 
 # =============================================================================
@@ -132,6 +141,7 @@ extract_version() {
     local content="$1"
     # Try to extract version from plugin.json or package.json
     echo "$content" | jq -r '.version // empty' 2>/dev/null || echo "unknown"
+    return 0
 }
 
 compare_implementations() {
@@ -189,6 +199,7 @@ compare_implementations() {
     fi
     
     echo "$changes_found"
+    return 0
 }
 
 # =============================================================================
@@ -283,6 +294,7 @@ DESCRIPTION:
 UPSTREAM:
   https://github.com/anthropics/claude-code/tree/main/plugins/ralph-wiggum
 EOF
+    return 0
 }
 
 # =============================================================================
diff --git a/.agent/scripts/session-review-helper.sh b/.agent/scripts/session-review-helper.sh
index 5530c2a66..30215b0bf 100755
--- a/.agent/scripts/session-review-helper.sh
+++ b/.agent/scripts/session-review-helper.sh
@@ -41,6 +41,7 @@ find_project_root() {
 # Get current branch
 get_branch() {
     git branch --show-current 2>/dev/null || echo "not-a-git-repo"
+    return 0
 }
 
 # Check if on protected branch
@@ -48,12 +49,14 @@ is_protected_branch() {
     local branch
     branch=$(get_branch)
     [[ "$branch" == "main" || "$branch" == "master" ]]
+    return 0
 }
 
 # Get recent commits
 get_recent_commits() {
     local count="${1:-10}"
     git log --oneline -"$count" 2>/dev/null || echo "No commits"
+    return 0
 }
 
 # Get uncommitted changes count
@@ -62,6 +65,7 @@ get_uncommitted_changes() {
     staged=$(git diff --cached --name-only 2>/dev/null | wc -l | tr -d '[:space:]')
     unstaged=$(git diff --name-only 2>/dev/null | wc -l | tr -d '[:space:]')
     echo "staged:${staged:-0},unstaged:${unstaged:-0}"
+    return 0
 }
 
 # Get TODO.md status
@@ -95,6 +99,7 @@ get_ralph_status() {
     else
         echo "active:false"
     fi
+    return 0
 }
 
 # Get open PRs
@@ -110,6 +115,7 @@ get_pr_status() {
     else
         echo "gh-not-installed"
     fi
+    return 0
 }
 
 # Check workflow adherence
diff --git a/.agent/scripts/terminal-title-setup.sh b/.agent/scripts/terminal-title-setup.sh
index 33f26a276..453a3ef36 100755
--- a/.agent/scripts/terminal-title-setup.sh
+++ b/.agent/scripts/terminal-title-setup.sh
@@ -24,10 +24,10 @@ BLUE='\033[0;34m'
 NC='\033[0m'
 
 # Logging
-log_info() { echo -e "${BLUE}[INFO]${NC} $*"; }
-log_success() { echo -e "${GREEN}[SUCCESS]${NC} $*"; }
-log_warn() { echo -e "${YELLOW}[WARNING]${NC} $*"; }
-log_error() { echo -e "${RED}[ERROR]${NC} $*" >&2; }
+log_info() { echo -e "${BLUE}[INFO]${NC} $*"; return 0; }
+log_success() { echo -e "${GREEN}[SUCCESS]${NC} $*"; return 0; }
+log_warn() { echo -e "${YELLOW}[WARNING]${NC} $*"; return 0; }
+log_error() { echo -e "${RED}[ERROR]${NC} $*" >&2; return 0; }
 
 # Marker comments for our integration
 MARKER_START="# >>> aidevops terminal-title integration >>>"
@@ -41,24 +41,29 @@ detect_shell() {
     local shell_name
     shell_name=$(basename "${SHELL:-/bin/bash}")
     echo "$shell_name"
+    return 0
 }
 
 has_oh_my_zsh() {
     [[ -d "$HOME/.oh-my-zsh" ]]
+    return 0
 }
 
 has_oh_my_bash() {
     [[ -d "$HOME/.oh-my-bash" ]]
+    return 0
 }
 
 has_starship() {
     command -v starship &>/dev/null
+    return 0
 }
 
 has_powerlevel10k() {
     [[ -d "$HOME/.oh-my-zsh/custom/themes/powerlevel10k" ]] || \
     [[ -d "${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k" ]] || \
     grep -q "powerlevel10k" "$HOME/.zshrc" 2>/dev/null
+    return 0
 }
 
 # =============================================================================
@@ -69,6 +74,7 @@ TABBY_CONFIG_FILE="$HOME/Library/Application Support/tabby/config.yaml"
 
 has_tabby() {
     [[ -f "$TABBY_CONFIG_FILE" ]]
+    return 0
 }
 
 # Check if Tabby has disableDynamicTitle: true (blocks OSC title changes)
@@ -83,9 +89,10 @@ tabby_has_dynamic_title_disabled() {
 tabby_count_disabled_profiles() {
     if [[ ! -f "$TABBY_CONFIG_FILE" ]]; then
         echo "0"
-        return
+        return 0
     fi
     grep -c "disableDynamicTitle: true" "$TABBY_CONFIG_FILE" 2>/dev/null || echo "0"
+    return 0
 }
 
 # Fix Tabby config to allow dynamic titles
@@ -161,6 +168,7 @@ _aidevops_terminal_title() {
     if [[ -n "$title" ]]; then
         print -Pn "\e]0;${title}\a"
     fi
+    return 0
 }
 
 # Override Oh-My-Zsh title variables to use our function
@@ -190,6 +198,7 @@ _aidevops_terminal_title() {
     if [[ -n "$title" ]]; then
         print -Pn "\e]0;${title}\a"
     fi
+    return 0
 }
 
 # Add to precmd hooks
@@ -216,6 +225,7 @@ _aidevops_terminal_title() {
     if [[ -n "$title" ]]; then
         echo -ne "\033]0;${title}\007"
     fi
+    return 0
 }
 
 # Add to PROMPT_COMMAND
@@ -242,6 +252,7 @@ function _aidevops_terminal_title --on-event fish_prompt
     end
 end
 EOF
+    return 0
 }
 
 # =============================================================================
@@ -269,11 +280,13 @@ get_rc_file() {
             echo ""
             ;;
     esac
+    return 0
 }
 
 is_installed() {
     local rc_file="$1"
     [[ -f "$rc_file" ]] && grep -q "$MARKER_START" "$rc_file"
+    return 0
 }
 
 remove_integration() {
@@ -459,6 +472,7 @@ cmd_status() {
         log_warn "Terminal title integration is NOT installed"
         echo "Run: terminal-title-setup.sh install"
     fi
+    return 0
 }
 
 cmd_help() {
@@ -498,6 +512,7 @@ EXAMPLES:
     terminal-title-setup.sh uninstall
 
 EOF
+    return 0
 }
 
 # =============================================================================
diff --git a/.agent/scripts/todo-ready.sh b/.agent/scripts/todo-ready.sh
index dde0b6a84..feb5a9853 100755
--- a/.agent/scripts/todo-ready.sh
+++ b/.agent/scripts/todo-ready.sh
@@ -71,6 +71,7 @@ parse_tasks() {
             echo "READY|$task_id|$task_desc|$task_est|"
         fi
     done < "$todo_file"
+    return 0
 }
 
 # Output as text
@@ -108,6 +109,7 @@ output_text() {
     echo "Blocked: $blocked_count | In Progress: $in_progress_count"
     echo ""
     echo "Start work with: \"Let's work on [task-id]\""
+    return 0
 }
 
 # Output as verbose
@@ -157,6 +159,7 @@ output_verbose() {
                 ;;
         esac
     done
+    return 0
 }
 
 # Output as JSON
@@ -203,6 +206,7 @@ output_json() {
   }
 }
 EOF
+    return 0
 }
 
 # Main
diff --git a/.agent/scripts/tool-version-check.sh b/.agent/scripts/tool-version-check.sh
index 5f15462c6..bb3a69eb9 100755
--- a/.agent/scripts/tool-version-check.sh
+++ b/.agent/scripts/tool-version-check.sh
@@ -120,12 +120,14 @@ get_installed_version() {
     else
         echo "not installed"
     fi
+    return 0
 }
 
 # Get latest npm version
 get_npm_latest() {
     local pkg="$1"
     npm view "$pkg" version 2>/dev/null || echo "unknown"
+    return 0
 }
 
 # Get latest brew version
@@ -136,12 +138,14 @@ get_brew_latest() {
     else
         echo "unknown"
     fi
+    return 0
 }
 
 # Get latest pip version
 get_pip_latest() {
     local pkg="$1"
     pip index versions "$pkg" 2>/dev/null | head -1 | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1 || echo "unknown"
+    return 0
 }
 
 # Compare versions (returns 0 if v1 < v2)
@@ -251,6 +255,7 @@ check_category() {
         IFS='|' read -r category name cmd ver_flag pkg update_cmd <<< "$tool_spec"
         check_tool "$category" "$name" "$cmd" "$ver_flag" "$pkg" "$update_cmd"
     done
+    return 0
 }
 
 # Main