feat(code): add /core:status multi-repo status command (#78)

Migrated from host-uk/core-claude#37

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

claude/code/commands/status.md

@@ -1,4 +1,12 @@
 ---
+name: status
+description: Show status across all Host UK repos
+args: [--dirty|--behind]
+---
+
+# Multi-Repo Status
+
+Wraps `core dev health` with better formatting.
 name: /core:status
 description: Show status across all Host UK repos
 hooks:
@@ -17,3 +25,11 @@ A quick command to show the status across all Host UK repos.
 `/core:status` - Show all repo statuses
 `/core:status --dirty` - Only show repos with changes
 `/core:status --behind` - Only show repos behind remote
+
+## Action
+
+Run this command to get the status:
+
+```bash
+"${CLAUDE_PLUGIN_ROOT}/scripts/core-status.sh" "$@"
+```

claude/code/scripts/core-status.sh

@@ -0,0 +1,79 @@
+#!/bin/bash
+
+# Fetch the raw status from the core dev health command.
+# The output format is assumed to be:
+# module branch status ahead behind insertions deletions
+RAW_STATUS=$(core dev health 2>/dev/null)
+
+# Exit if the command fails or produces no output
+if [ -z "$RAW_STATUS" ]; then
+  echo "Failed to get repo status from 'core dev health'."
+  echo "Make sure the 'core' command is available and repositories are correctly configured."
+  exit 1
+fi
+
+FILTER="$1"
+
+# --- Header ---
+echo "Host UK Monorepo Status"
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+printf "%-15s %-15s %-10s %s\n" "Module" "Branch" "Status" "Behind/Ahead"
+echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
+
+# --- Data Processing and Printing ---
+while read -r module branch status ahead behind insertions deletions; do
+    is_dirty=false
+    is_behind=false
+
+    if [[ "$status" == "dirty" ]]; then
+        is_dirty=true
+    fi
+
+    if (( behind > 0 )); then
+        is_behind=true
+    fi
+
+    # Apply filters
+    if [[ "$FILTER" == "--dirty" && "$is_dirty" == "false" ]]; then
+        continue
+    fi
+    if [[ "$FILTER" == "--behind" && "$is_behind" == "false" ]]; then
+        continue
+    fi
+
+    # Format the "Behind/Ahead" column based on status
+    if [[ "$status" == "dirty" ]]; then
+        behind_ahead_text="+${insertions} -${deletions}"
+    else # status is 'clean'
+        if (( behind > 0 )); then
+            behind_ahead_text="-${behind} (behind)"
+        elif (( ahead > 0 )); then
+             behind_ahead_text="+${ahead}"
+        else
+            behind_ahead_text="✓"
+        fi
+    fi
+
+    printf "%-15s %-15s %-10s %s\n" "$module" "$branch" "$status" "$behind_ahead_text"
+
+done <<< "$RAW_STATUS"
+
+# --- Summary ---
+# The summary is always based on the full, unfiltered data.
+dirty_count=$(echo "$RAW_STATUS" | grep -cw "dirty")
+behind_count=$(echo "$RAW_STATUS" | awk '($5+0) > 0' | wc -l)
+clean_count=$(echo "$RAW_STATUS" | grep -cw "clean")
+
+summary_parts=()
+if (( dirty_count > 0 )); then
+    summary_parts+=("$dirty_count dirty")
+fi
+if (( behind_count > 0 )); then
+    summary_parts+=("$behind_count behind")
+fi
+summary_parts+=("$clean_count clean")
+
+summary="Summary: $(IFS=, ; echo "${summary_parts[*]}")"
+
+echo
+echo "$summary"