diff --git a/commands/host/sanity-check b/commands/host/sanity-check
index bfaa33c..4d4d558 100755
--- a/commands/host/sanity-check
+++ b/commands/host/sanity-check
@@ -12,7 +12,15 @@ SILENT=false
 [[ "$*" == *"-s"* ]] && SILENT=true
 pass()  { $SILENT || echo -e "${GREEN}  ✓ $1${NC}"; }
 fail()  { echo -e "${RED}  ✗ $1${NC}"; ERRORS=$((ERRORS + 1)); }
+critical_fail() { echo -e "${RED}${BOLD}  ✗ CRITICAL: $1${NC}"; ERRORS=$((ERRORS + 1)); CRITICAL_ERRORS=$((CRITICAL_ERRORS + 1)); }
 warn()  { echo -e "${YELLOW}  ! $1${NC}"; WARNINGS=$((WARNINGS + 1)); }
+bail_if_critical() {
+  if [[ $CRITICAL_ERRORS -gt 0 ]]; then
+    echo ""
+    echo -e "${RED}${BOLD}── $CRITICAL_ERRORS critical error(s) — subsequent checks skipped, push must be blocked ──${NC}"
+    exit 2
+  fi
+}
 title() { echo -e "\n── $1 ──"; }
 group() { echo -e "\n${BOLD}$1${NC}"; }
 
@@ -26,6 +34,7 @@ CONFIG_READER_MIN=3
 
 ERRORS=0
 WARNINGS=0
+CRITICAL_ERRORS=0
 APPROOT="${DDEV_APPROOT:-.}"
 BEHIND_CDN=false
 LOCK_FILE="$APPROOT/composer.lock"
@@ -114,6 +123,60 @@ else
   fi
 fi
 
+# ── Drupal: Safe module uninstall check ─────────────────────────────────────
+if [[ -n "$EXT_FILE" ]] && git -C "$APPROOT" rev-parse --git-dir >/dev/null 2>&1; then
+  # Pre-push hook sets GIT_PUSH_RANGE_BASE/TIP so we diff the exact commits
+  # being pushed. Otherwise diff the working tree vs HEAD (uncommitted).
+  if [[ -n "$GIT_PUSH_RANGE_BASE" ]]; then
+    DIFF_FROM="$GIT_PUSH_RANGE_BASE"
+    DIFF_TO="${GIT_PUSH_RANGE_TIP:-HEAD}"
+  else
+    DIFF_FROM="HEAD"
+    DIFF_TO=""
+  fi
+
+  EXT_DIFF=$(git -C "$APPROOT" diff "$DIFF_FROM" $DIFF_TO -- "$EXT_FILE" 2>/dev/null)
+  REMOVED_MODULES=$(echo "$EXT_DIFF" | grep -E "^-[[:space:]]+[a-z_0-9]+:[[:space:]]*[0-9]+" | sed -E 's/^-[[:space:]]+([a-z_0-9]+):.*/\1/')
+
+  if [[ -n "$REMOVED_MODULES" ]]; then
+    LOCK_DIFF=""
+    [[ -f "$LOCK_FILE" ]] && LOCK_DIFF=$(git -C "$APPROOT" diff "$DIFF_FROM" $DIFF_TO -- "$LOCK_FILE" 2>/dev/null)
+
+    SEARCH_DIRS=()
+    for d in "$APPROOT/web/modules" "$APPROOT/web/profiles" "$APPROOT/modules"; do
+      [[ -d "$d" ]] && SEARCH_DIRS+=("$d")
+    done
+
+    UNSAFE=()
+    while IFS= read -r mod; do
+      [[ -z "$mod" ]] && continue
+
+      MOD_PATH=""
+      if [[ ${#SEARCH_DIRS[@]} -gt 0 ]]; then
+        MOD_PATH=$(find "${SEARCH_DIRS[@]}" -maxdepth 5 -type d -name "$mod" ! -path "*/.git/*" 2>/dev/null | head -1)
+      fi
+
+      COMPOSER_REMOVED=false
+      if [[ -n "$LOCK_DIFF" ]] && echo "$LOCK_DIFF" | grep -qE "^-[[:space:]]+\"name\":[[:space:]]+\"drupal/${mod}\""; then
+        COMPOSER_REMOVED=true
+      fi
+
+      if [[ -z "$MOD_PATH" ]] || $COMPOSER_REMOVED; then
+        UNSAFE+=("$mod")
+      fi
+    done <<< "$REMOVED_MODULES"
+
+    if [[ ${#UNSAFE[@]} -gt 0 ]]; then
+      for m in "${UNSAFE[@]}"; do
+        critical_fail "Module '$m' is being uninstalled AND its code/package removed in the same change — uninstall first (deploy), then remove code in a later change"
+      done
+    else
+      pass "Module uninstallations keep code/package in place (safe)"
+    fi
+  fi
+fi
+bail_if_critical
+
 # ── Drupal: Files view with operations ──────────────────────────────────────
 FILES_VIEW="$APPROOT/config/sync/views.view.files.yml"
 
@@ -416,7 +479,10 @@ fi # end Upsun checks
 
 # ── Summary ─────────────────────────────────────────────────────────────────
 echo ""
-if [[ $ERRORS -gt 0 ]]; then
+if [[ $CRITICAL_ERRORS -gt 0 ]]; then
+  echo -e "${RED}${BOLD}── $CRITICAL_ERRORS critical error(s), $ERRORS total error(s) — push must be blocked ──${NC}"
+  exit 2
+elif [[ $ERRORS -gt 0 ]]; then
   echo -e "${RED}── $ERRORS error(s) found ──${NC}"
   exit 1
 elif [[ $WARNINGS -gt 0 ]]; then
diff --git a/scripts/git-hooks/pre-push b/scripts/git-hooks/pre-push
index 58cb2bc..a0d55dd 100755
--- a/scripts/git-hooks/pre-push
+++ b/scripts/git-hooks/pre-push
@@ -22,8 +22,36 @@ fi
 
 # ── Sanity check ─────────────────────────────────────────────────────────────
 CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
-ddev sanity-check -s
-if [[ $? -ne 0 ]]; then
+
+# Expose the range being pushed so sanity-check can diff committed changes.
+# Pre-push stdin format (per line): <local_ref> <local_sha> <remote_ref> <remote_sha>
+ZERO_SHA="0000000000000000000000000000000000000000"
+PUSH_LINE=$(echo "$PUSH_REFS" | grep -v '^$' | head -1)
+if [[ -n "$PUSH_LINE" ]]; then
+  read -r _ PUSH_LOCAL_SHA _ PUSH_REMOTE_SHA <<< "$PUSH_LINE"
+  if [[ -n "$PUSH_REMOTE_SHA" && "$PUSH_REMOTE_SHA" != "$ZERO_SHA" ]]; then
+    export GIT_PUSH_RANGE_BASE="$PUSH_REMOTE_SHA"
+  else
+    # New branch: base is the merge-base with the default remote branch.
+    for ref in "origin/HEAD" "origin/main" "origin/master"; do
+      if git rev-parse --verify --quiet "$ref" >/dev/null 2>&1; then
+        MERGE_BASE=$(git merge-base "$ref" "$PUSH_LOCAL_SHA" 2>/dev/null)
+        [[ -n "$MERGE_BASE" ]] && export GIT_PUSH_RANGE_BASE="$MERGE_BASE"
+        break
+      fi
+    done
+  fi
+  [[ -n "$PUSH_LOCAL_SHA" && "$PUSH_LOCAL_SHA" != "$ZERO_SHA" ]] && export GIT_PUSH_RANGE_TIP="$PUSH_LOCAL_SHA"
+fi
+
+SANITY_OUTPUT=$(ddev sanity-check -s 2>&1)
+SANITY_EXIT=$?
+echo "$SANITY_OUTPUT"
+if echo "$SANITY_OUTPUT" | grep -q "CRITICAL:"; then
+  echo ""
+  echo "🚫 Push blocked: critical sanity-check failure. This cannot be bypassed — fix the issues above and try again."
+  exit 1
+elif [[ $SANITY_EXIT -ne 0 ]]; then
   echo ""
   if [[ "$CURRENT_BRANCH" == "dev" ]]; then
     echo "⚠️  Sanity-check failed on 'dev' branch — pushing anyway."