Add claude statusline to my dotfiles

bootstrap.sh

@@ -41,6 +41,10 @@ test -L $HOME/.config/nvim/init.lua || ln -f -s $BASEDIR/neovim/init.lua $HOME/.
 test -d $HOME/.config/nvim/lsp || mkdir -p $HOME/.config/nvim/lsp
 test -L $HOME/.config/nvim/lsp/phpactor.lua || ln -f -s $BASEDIR/neovim/lsp/phpactor.lua $HOME/.config/nvim/lsp/phpactor.lua
 
+# Claude Code statusline
+test -d $HOME/.claude || mkdir $HOME/.claude
+test -L $HOME/.claude/statusline.sh || ln -f -s $BASEDIR/claude/statusline.sh $HOME/.claude/statusline.sh
+
 # .gitconfig gets edited by .extra so we won't symlink it, but copy it
 echo "For compatibility we shall copy the global gitconfig"
 cp $BASEDIR/gitconfig $HOME/.gitconfig

claude/statusline.sh

@@ -0,0 +1,150 @@
+#!/bin/bash
+
+# Status line command for Claude Code
+# Two-line display:
+# Line 1: [Opus 4.6]  📁 project-name  |  🌿 branch
+# Line 2: █████░░░░░ 42%  |  19.8k tok  |  ✅ Max  |  ⏱️ 7m 3s  (API thinking time, not wall-clock)
+
+# Read JSON input from Claude Code
+input=$(cat)
+
+# Debug mode: set CLAUDE_STATUSLINE_DEBUG=1 to dump JSON input
+if [ -n "$CLAUDE_STATUSLINE_DEBUG" ]; then
+    echo "$input" | jq '.' > /tmp/claude-statusline-debug.json 2>/dev/null
+fi
+
+# Extract data from JSON (single jq call for performance)
+eval "$(echo "$input" | jq -r '
+    @sh "cwd=\(.workspace.current_dir)",
+    @sh "model_display=\(.model.display_name)",
+    @sh "model_id=\(.model.id)",
+    @sh "used_pct_raw=\(.context_window.used_percentage // 0)",
+    @sh "total_input=\(.context_window.total_input_tokens // 0)",
+    @sh "total_output=\(.context_window.total_output_tokens // 0)",
+    @sh "duration_ms=\(.cost.total_api_duration_ms // 0)",
+    @sh "total_cost=\(.cost.total_cost_usd // 0)"
+')"
+
+dir_name=$(basename "$cwd")
+
+# Truncate percentage to integer
+used_pct=${used_pct_raw%%.*}
+: "${used_pct:=0}"
+
+# Use display_name directly — it already includes the version (e.g. "Opus 4.6")
+# Only extract from model_id as fallback if display_name has no version
+if [[ "$model_display" =~ [0-9] ]]; then
+    model_full="$model_display"
+else
+    version=""
+    if [[ "$model_id" =~ claude-[a-z]+-([0-9]+)-([0-9]+) ]]; then
+        version="${BASH_REMATCH[1]}.${BASH_REMATCH[2]}"
+    fi
+    if [ -n "$version" ]; then
+        model_full="$model_display $version"
+    else
+        model_full="$model_display"
+    fi
+fi
+
+# Git branch with caching (5 second TTL)
+git_branch=""
+cache_dir="/tmp/claude-statusline"
+cache_file="${cache_dir}/git-branch-$(echo "$cwd" | md5 -q)"
+cache_ttl=5
+
+if git -C "$cwd" rev-parse --git-dir > /dev/null 2>&1; then
+    now=$(date +%s)
+    file_mtime=$(stat -c %Y "$cache_file" 2>/dev/null || stat -f %m "$cache_file" 2>/dev/null || echo 0)
+    cache_age=$((now - file_mtime))
+    if [ -f "$cache_file" ] && [ "$cache_age" -lt "$cache_ttl" ]; then
+        git_branch=$(cat "$cache_file")
+    else
+        git_branch=$(git -C "$cwd" branch --show-current 2>/dev/null || echo 'detached')
+        mkdir -p "$cache_dir" && echo "$git_branch" > "$cache_file"
+    fi
+fi
+
+# Format tokens (pure bash integer math)
+total_tokens=$(( ${total_input%%.*} + ${total_output%%.*} ))
+if [ "$total_tokens" -ge 1000000 ]; then
+    whole=$((total_tokens / 1000000))
+    frac=$(( (total_tokens % 1000000) / 100000 ))
+    token_display="${whole}.${frac}M tok"
+elif [ "$total_tokens" -ge 1000 ]; then
+    whole=$((total_tokens / 1000))
+    frac=$(( (total_tokens % 1000) / 100 ))
+    if [ "$whole" -ge 100 ]; then
+        token_display="${whole}k tok"
+    else
+        token_display="${whole}.${frac}k tok"
+    fi
+else
+    token_display="${total_tokens} tok"
+fi
+
+# Billing mode detection (cached 60s)
+billing_cache="/tmp/.claude-statusline-billing-cache"
+billing_ttl=60
+billing_mode=""
+
+now_bill=$(date +%s)
+bill_mtime=$(stat -c %Y "$billing_cache" 2>/dev/null || stat -f %m "$billing_cache" 2>/dev/null || echo 0)
+bill_age=$((now_bill - bill_mtime))
+
+if [ -f "$billing_cache" ] && [ "$bill_age" -lt "$billing_ttl" ]; then
+    billing_mode=$(cat "$billing_cache")
+else
+    if security find-generic-password -s "Claude Code-credentials" >/dev/null 2>&1; then
+        billing_mode="max"
+    elif [ -n "$ANTHROPIC_API_KEY" ]; then
+        billing_mode="api"
+    else
+        billing_mode="unknown"
+    fi
+    echo "$billing_mode" > "$billing_cache"
+fi
+
+if [ "$billing_mode" = "max" ]; then
+    billing_display='\e[32m✅ Max\e[0m'
+elif [ "$billing_mode" = "api" ]; then
+    billing_display='\e[1;31m⚠️ API\e[0m'
+else
+    billing_display='\e[33m? Auth\e[0m'
+fi
+
+# Format cost
+cost_display=$(printf '$%.2f' "$total_cost")
+
+# Format duration from milliseconds
+duration_sec=$((${duration_ms%%.*} / 1000))
+duration_min=$((duration_sec / 60))
+duration_rem=$((duration_sec % 60))
+
+# Build progress bar (10 chars wide)
+filled=$((used_pct * 10 / 100))
+empty=$((10 - filled))
+
+# Color-code based on usage
+if [ "$used_pct" -lt 70 ]; then
+    bar_color='\e[32m'  # Green
+elif [ "$used_pct" -lt 90 ]; then
+    bar_color='\e[33m'  # Yellow
+else
+    bar_color='\e[31m'  # Red
+fi
+
+bar=""
+for ((i=0; i<filled; i++)); do bar="${bar}█"; done
+for ((i=0; i<empty; i++)); do bar="${bar}░"; done
+
+# Line 1: [Opus 4.6]  📁 project-name  |  🌿 branch
+printf '\e[36m[%s]\e[0m  📁 %s' "$model_full" "$dir_name"
+if [ -n "$git_branch" ]; then
+    printf '  \e[2m|\e[0m  🌿 %s' "$git_branch"
+fi
+printf '\n'
+
+# Line 2: █████░░░░░ 42%  |  19.8k tok  |  $1.23  |  ✅ Max  |  ⏱️ 7m 3s
+printf '%b%s\e[0m %d%%  \e[2m|\e[0m  \e[36m%s\e[0m  \e[2m|\e[0m  \e[33m%s\e[0m  \e[2m|\e[0m  %b  \e[2m|\e[0m  ⏱️  %dm %ds' \
+    "$bar_color" "$bar" "$used_pct" "$token_display" "$cost_display" "$billing_display" "$duration_min" "$duration_rem"