fix: find ssh-monitor in clone via git checkout and broader search

Restore ssh-monitor from HEAD when missing on disk; try git ls-files and
find fallback; log clone root listing on failure.

update_ssh_monitor.sh

@@ -488,19 +488,58 @@ sync_sac_client() {
 }
 
 find_remote_ssh_monitor_path() {
-    REMOTE_SCRIPT_PATH="$UPDATE_DIR/$SCRIPT_NAME/src/branch/main/$SCRIPT_NAME"
-    ALT_REMOTE_PATH="$UPDATE_DIR/$SCRIPT_NAME/$SCRIPT_NAME"
-    if [ -f "$REMOTE_SCRIPT_PATH" ]; then
-        log_action "ssh-monitor в клоне: $REMOTE_SCRIPT_PATH (src/branch/main)"
-        printf '%s\n' "$REMOTE_SCRIPT_PATH"
+    local repo="$UPDATE_DIR/$SCRIPT_NAME"
+    local candidates=() git_path="" found="" p
+
+    REMOTE_SCRIPT_PATH="$repo/ssh-monitor"
+    ALT_REMOTE_PATH="$repo/src/branch/main/ssh-monitor"
+    candidates=(
+        "$REMOTE_SCRIPT_PATH"
+        "$ALT_REMOTE_PATH"
+    )
+
+    for p in "${candidates[@]}"; do
+        if [ -f "$p" ]; then
+            log_action "ssh-monitor в клоне: $p"
+            printf '%s\n' "$p"
             return 0
         fi
-    if [ -f "$ALT_REMOTE_PATH" ]; then
-        log_action "ssh-monitor в клоне: $ALT_REMOTE_PATH (корень репозитория)"
-        printf '%s\n' "$ALT_REMOTE_PATH"
+    done
+
+    if [ -d "$repo/.git" ]; then
+        if git -C "$repo" cat-file -e "HEAD:ssh-monitor" 2>/dev/null; then
+            if [ ! -f "$repo/ssh-monitor" ]; then
+                log_action "ssh-monitor есть в git HEAD, но отсутствует на диске — git checkout HEAD -- ssh-monitor"
+                git -C "$repo" checkout HEAD -- ssh-monitor >> "$LOG_FILE" 2>&1 || true
+            fi
+            if [ -f "$repo/ssh-monitor" ]; then
+                log_action "ssh-monitor восстановлен: $repo/ssh-monitor"
+                printf '%s\n' "$repo/ssh-monitor"
                 return 0
             fi
-    log_action "WARNING: ssh-monitor не найден ни в $REMOTE_SCRIPT_PATH, ни в $ALT_REMOTE_PATH"
+        fi
+        git_path=$(git -C "$repo" ls-files 'ssh-monitor' 2>/dev/null | grep -v '^contrib/' | head -1)
+        if [ -z "$git_path" ]; then
+            git_path=$(git -C "$repo" ls-files 2>/dev/null | grep -E '/ssh-monitor$' | grep -v contrib | grep -v watchdog | head -1)
+        fi
+        if [ -n "$git_path" ] && [ -f "$repo/$git_path" ]; then
+            log_action "ssh-monitor в клоне (git ls-files): $repo/$git_path"
+            printf '%s\n' "$repo/$git_path"
+            return 0
+        fi
+    fi
+
+    found=$(find "$repo" -maxdepth 4 -type f -name 'ssh-monitor' ! -path '*/contrib/*' 2>/dev/null | head -1)
+    if [ -n "$found" ] && [ -f "$found" ]; then
+        log_action "ssh-monitor найден поиском: $found"
+        printf '%s\n' "$found"
+        return 0
+    fi
+
+    log_action "WARNING: ssh-monitor не найден в $repo"
+    if [ -d "$repo" ]; then
+        log_action "корень клона: $(ls -1 "$repo" 2>/dev/null | tr '\n' ' ')"
+    fi
     return 1
 }