Repair scratch setup preflight for repo-local host processes

scripts/build-all-solutions.sh

@@ -14,17 +14,60 @@ SRC_DIR="$REPO_ROOT/src"
 
 RUN_TESTS=false
 CONFIGURATION="Debug"
+STOP_REPO_HOST_PROCESSES=false
 
 while [[ $# -gt 0 ]]; do
     case "$1" in
         --test|-t)  RUN_TESTS=true; shift ;;
+        --stop-repo-host-processes) STOP_REPO_HOST_PROCESSES=true; shift ;;
         --configuration|-c) CONFIGURATION="$2"; shift 2 ;;
         *) echo "Unknown option: $1" >&2; exit 1 ;;
     esac
 done
 
+stop_repo_host_processes() {
+    local found=0
+
+    while IFS= read -r line; do
+        [[ -z "$line" ]] && continue
+
+        local pid="${line%% *}"
+        local cmd="${line#* }"
+
+        [[ "$cmd" != *"$REPO_ROOT"* ]] && continue
+        [[ "$cmd" != *"StellaOps."* ]] && continue
+        [[ "$pid" == "$$" ]] && continue
+
+        if (( found == 0 )); then
+            echo "Stopping repo-local Stella host processes before build."
+        fi
+
+        echo "  - [$pid] $cmd"
+        kill "$pid" 2>/dev/null || true
+        sleep 1
+        if kill -0 "$pid" 2>/dev/null; then
+            kill -9 "$pid" 2>/dev/null || true
+        fi
+        found=1
+    done < <(ps -eo pid=,args=)
+
+    if (( found == 0 )); then
+        echo "No repo-local Stella host processes detected."
+    else
+        echo "Repo-local Stella host processes stopped."
+    fi
+}
+
+if $STOP_REPO_HOST_PROCESSES; then
+    stop_repo_host_processes
+fi
+
 # Discover solutions (exclude root StellaOps.sln)
-mapfile -t SOLUTIONS < <(find "$SRC_DIR" -name '*.sln' ! -name 'StellaOps.sln' | sort)
+mapfile -t SOLUTIONS < <(
+    find "$SRC_DIR" \
+        \( -path '*/node_modules/*' -o -path '*/bin/*' -o -path '*/obj/*' \) -prune -o \
+        -name '*.sln' ! -name 'StellaOps.sln' -print | sort
+)
 
 if [[ ${#SOLUTIONS[@]} -eq 0 ]]; then
     echo "ERROR: No solution files found under src/." >&2