Add Jeannie last change review

README.md

@@ -277,6 +277,7 @@ Run a read-only health snapshot from the Debian server with:
 ./jeannie recover-plan
 ./jeannie recover-power --dry-run
 ./jeannie impact --since HEAD~1
+./jeannie review-last-change
 ./jeannie scorecard
 ./jeannie explain scorecard
 ./jeannie gitops-status
@@ -346,6 +347,9 @@ edge/public checks. Use `recover-power --dry-run` to preview the sequence.
 `./jeannie impact --since HEAD~1` for the last commit or pass paths
 like `bootstrap/edge` and `apps/website`.
 
+`review-last-change` summarizes the last commit, runs impact analysis for the
+touched files, and prints validation plus rollback hints.
+
 `scorecard` rolls up backup readiness, GitOps health, DNS/RPi health, cluster
 health, edge health, capacity pressure, security posture, public certificates,
 inventory, and docs freshness into a compact pass/warn/fail report.

README.md.tmpl

@@ -277,6 +277,7 @@ Run a read-only health snapshot from the Debian server with:
 ./{{ main_script }} recover-plan
 ./{{ main_script }} recover-power --dry-run
 ./{{ main_script }} impact --since HEAD~1
+./{{ main_script }} review-last-change
 ./{{ main_script }} scorecard
 ./{{ main_script }} explain scorecard
 ./{{ main_script }} gitops-status
@@ -346,6 +347,9 @@ edge/public checks. Use `recover-power --dry-run` to preview the sequence.
 `./{{ main_script }} impact --since HEAD~1` for the last commit or pass paths
 like `bootstrap/edge` and `apps/website`.
 
+`review-last-change` summarizes the last commit, runs impact analysis for the
+touched files, and prints validation plus rollback hints.
+
 `scorecard` rolls up backup readiness, GitOps health, DNS/RPi health, cluster
 health, edge health, capacity pressure, security posture, public certificates,
 inventory, and docs freshness into a compact pass/warn/fail report.

docs/jeannie.1.md

@@ -118,6 +118,10 @@ pointers.
 : Explain which homelab areas are affected by changed files or explicit paths,
 including risk, touched services, validation commands, and apply path.
 
+`review-last-change [REF]`
+: Summarize a commit, list touched files, run impact analysis, and print generic
+validation plus rollback hints. Defaults to `HEAD`.
+
 `backup-status`
 : Report freshness for Gitea backups, OpenTofu state backups, restore drill
 reports, and repo-managed Pi-hole restore inputs. The main `status` cascade

jeannie

@@ -5875,6 +5875,10 @@ impact() {
     "${REPO_ROOT}/scripts/impact" "${@:2}"
 }
 
+review_last_change() {
+    "${REPO_ROOT}/scripts/review-last-change" "${@:2}"
+}
+
 security_scan() {
     require_debian_server "security-scan"
     "${REPO_ROOT}/scripts/security-scan" all
@@ -6142,6 +6146,7 @@ Operator View And Reports
   recover-plan                               Print disaster recovery order and prerequisites.
   recover-power [--dry-run]                  Run or preview post-outage recovery.
   impact [--since REF] [PATH...]             Explain affected lab areas before changes.
+  review-last-change [REF]                   Summarize changed files, impact, validation.
   map [--dot]                                Print the homelab dependency map.
   change-journal {list|path}                 Show risky-command journal entries.
   release-snapshot                           Write a pre-change release snapshot.
@@ -6415,6 +6420,9 @@ case "${1:-}" in
     impact)
         impact "$@"
         ;;
+    review-last-change)
+        review_last_change "$@"
+        ;;
     security-scan)
         security_scan
         ;;

scripts/review-last-change

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+REF="${1:-HEAD}"
+changed_files=()
+
+usage() {
+    cat <<'EOF'
+Usage: ./jeannie review-last-change [REF]
+
+Summarize a commit, show touched files, run impact analysis, and print useful
+validation and rollback hints. Defaults to HEAD.
+EOF
+}
+
+case "$REF" in
+    -h|--help|help)
+        usage
+        exit 0
+        ;;
+esac
+
+if ! git -C "$REPO_ROOT" rev-parse --verify "$REF" >/dev/null 2>&1; then
+    echo "Unknown git ref: $REF" >&2
+    exit 1
+fi
+
+echo "Jeannie Last Change Review"
+echo "=========================="
+echo
+git -C "$REPO_ROOT" show --no-renames --stat --oneline "$REF"
+
+echo
+echo "Changed files"
+mapfile -t changed_files < <(git -C "$REPO_ROOT" diff-tree --no-commit-id --name-only -r "$REF")
+printf '  %s\n' "${changed_files[@]}"
+
+echo
+"${REPO_ROOT}/scripts/impact" "${changed_files[@]}"
+
+cat <<EOF
+
+Generic validation
+  ./jeannie validate
+  ./jeannie status
+
+Rollback hint
+  git revert ${REF}
+
+Notes
+  - Prefer the impact-specific validation commands above before running ./jeannie up.
+  - For public route changes, validate edge and certs before app rollout.
+EOF