chore(ai-workflow): tighten agent workflow and worktree tooling (#1107)

* chore(ai-workflow): tighten agent workflow and worktree tooling

* fix(ai-workflow): address review feedback

* fix(ai-workflow): make format hook portable

scripts/agent-hooks/format.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# afterFileEdit hook: Auto-format files after AI edits them
+# Receives JSON via stdin: {"file_path": "...", "edits": [...]}
+
+input=$(cat)
+if ! command -v jq >/dev/null 2>&1; then
+  exit 0
+fi
+
+file_path=$(printf '%s' "$input" | jq -r '.file_path // empty' 2>/dev/null)
+
+if [ -z "$file_path" ]; then
+  exit 0
+fi
+
+repo_root="$(git rev-parse --show-toplevel 2>/dev/null || pwd)"
+cd "$repo_root" || exit 0
+
+case "$file_path" in
+  *.js|*.ts|*.tsx|*.mjs)
+    dir_part="${file_path%/*}"
+    base_name="${file_path##*/}"
+    if [ "$dir_part" = "$file_path" ]; then
+      dir_part="."
+    fi
+
+    resolved_dir="$(cd -P -- "$repo_root/$dir_part" 2>/dev/null && pwd -P)" || exit 0
+    resolved_path="$resolved_dir/$base_name"
+    case "$resolved_path" in
+      "$repo_root"/*) npx oxfmt "$resolved_path" 2>/dev/null || true ;;
+      *) exit 0 ;;
+    esac
+    ;;
+esac
+
+exit 0