feat: add git-status-check.sh scan script

Scans all git repos in a directory for uncommitted changes and
unpushed commits. Outputs structured TAB-separated results.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

git-status-check.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+# git-status-check.sh - Scan git repos for uncommitted changes and unpushed commits
+# Usage: git-status-check.sh [directory]
+#   directory: path to scan (default: parent of script directory)
+# Output: TAB-separated lines: project_name \t uncommitted_count \t unpushed_count \t branch
+
+set -euo pipefail
+
+SCAN_DIR="${1:-$(dirname "$(dirname "$(readlink -f "$0")")")}"
+
+for dir in "$SCAN_DIR"/*/; do
+    [ -d "$dir/.git" ] || continue
+
+    name=$(basename "$dir")
+    branch=$(git -C "$dir" rev-parse --abbrev-ref HEAD 2>/dev/null || echo "unknown")
+
+    # Count uncommitted changes
+    uncommitted=$(git -C "$dir" status --porcelain 2>/dev/null | wc -l | tr -d ' ')
+
+    # Count unpushed commits (0 if no upstream)
+    if git -C "$dir" rev-parse --verify '@{u}' &>/dev/null; then
+        unpushed=$(git -C "$dir" log '@{u}..HEAD' --oneline 2>/dev/null | wc -l | tr -d ' ')
+    else
+        unpushed=0
+    fi
+
+    printf '%s\t%s\t%s\t%s\n' "$name" "$uncommitted" "$unpushed" "$branch"
+done