feat: run npm build before hugo server and add manual Build CSS buttonv1.5

NpmWorker (QObject+QProcess) runs `npm run build` in the blog repo.
HugoPanel sequences: build CSS → start hugo on Avvia. A separate
"Build CSS" button allows rebuilding Tailwind while the server runs.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 63 insertions, 7 deletions

diff --git a/ui/hugo_panel.py b/ui/hugo_panel.py
index fafe59c..bf13bd8 100644
--- a/ui/hugo_panel.py
+++ b/ui/hugo_panel.py
@@ -7,15 +7,21 @@ from PyQt6.QtWidgets import (
 from PyQt6.QtCore import QUrl
 from PyQt6.QtGui import QDesktopServices
 from workers.hugo_worker import HugoWorker
+from workers.npm_worker import NpmWorker
 
 class HugoPanel(QWidget):
     def __init__(self, repo_path: Path, parent=None):
         super().__init__(parent)
         self._worker = HugoWorker(repo_path, parent=self)
         self._worker.log_line.connect(self._on_log)
-        self._worker.started.connect(self._on_started)
-        self._worker.stopped.connect(self._on_stopped)
+        self._worker.started.connect(self._on_hugo_started)
+        self._worker.stopped.connect(self._on_hugo_stopped)
         self._worker.error.connect(lambda e: self._log.appendPlainText(f"[ERRORE] {e}"))
+
+        self._npm = NpmWorker(repo_path, parent=self)
+        self._npm.log_line.connect(self._on_log)
+        self._npm.finished.connect(self._on_build_finished)
+
         self._build_ui()
 
     def _build_ui(self):
@@ -28,12 +34,15 @@ class HugoPanel(QWidget):
         top.addStretch()
 
         self._start_btn = QPushButton("▶ Avvia")
-        self._start_btn.clicked.connect(self._worker.start)
+        self._start_btn.clicked.connect(self._on_start_clicked)
         self._stop_btn = QPushButton("⏹ Ferma")
         self._stop_btn.clicked.connect(self._worker.stop)
         self._stop_btn.setEnabled(False)
+        self._build_btn = QPushButton("🔨 Build CSS")
+        self._build_btn.clicked.connect(self._on_build_clicked)
         top.addWidget(self._start_btn)
         top.addWidget(self._stop_btn)
+        top.addWidget(self._build_btn)
 
         self._url_btn = QPushButton("🌐 http://localhost:1313")
         self._url_btn.setFlat(True)
@@ -49,23 +58,70 @@ class HugoPanel(QWidget):
         self._log.setStyleSheet("background:#0a0a12;color:#00ff88;font-family:monospace;font-size:11px;")
         layout.addWidget(self._log)
 
-    def _on_log(self, line: str):
-        self._log.appendPlainText(line)
+    # --- button handlers ---
+
+    def _on_start_clicked(self):
+        self._status_label.setText("🟡 Build CSS...")
+        self._status_label.setStyleSheet("color:#fbbf24;font-weight:bold;")
+        self._start_btn.setEnabled(False)
+        self._stop_btn.setEnabled(False)
+        self._build_btn.setEnabled(False)
+        self._log.appendPlainText("─── npm run build ───")
+        self._npm.run()
+
+    def _on_build_clicked(self):
+        self._build_btn.setEnabled(False)
+        self._log.appendPlainText("─── npm run build ───")
+        self._npm.run()
 
-    def _on_started(self):
+    # --- npm worker callbacks ---
+
+    def _on_build_finished(self, success: bool):
+        if success:
+            self._log.appendPlainText("─── build OK ───")
+            if not self._worker.is_running:
+                # launched via Avvia → now start hugo
+                self._log.appendPlainText("─── hugo server avvia ───")
+                self._worker.start()
+            else:
+                # manual rebuild while server running
+                self._build_btn.setEnabled(True)
+        else:
+            self._log.appendPlainText("─── build FALLITO ───")
+            if not self._worker.is_running:
+                # failed before hugo started → restore idle state
+                self._status_label.setText("🔴 Hugo server: fermo")
+                self._status_label.setStyleSheet("color:#ff6b6b;font-weight:bold;")
+                self._start_btn.setEnabled(True)
+                self._build_btn.setEnabled(True)
+            else:
+                self._build_btn.setEnabled(True)
+
+    # --- hugo worker callbacks ---
+
+    def _on_hugo_started(self):
         self._status_label.setText("🟢 Hugo server: in esecuzione")
         self._status_label.setStyleSheet("color:#00ff88;font-weight:bold;")
         self._start_btn.setEnabled(False)
         self._stop_btn.setEnabled(True)
+        self._build_btn.setEnabled(True)
         self._url_btn.setVisible(True)
 
-    def _on_stopped(self):
+    def _on_hugo_stopped(self):
         self._status_label.setText("🔴 Hugo server: fermo")
         self._status_label.setStyleSheet("color:#ff6b6b;font-weight:bold;")
         self._start_btn.setEnabled(True)
         self._stop_btn.setEnabled(False)
+        self._build_btn.setEnabled(True)
         self._url_btn.setVisible(False)
 
+    # --- log ---
+
+    def _on_log(self, line: str):
+        self._log.appendPlainText(line)
+
+    # --- lifecycle ---
+
     def stop_server(self):
         self._worker.stop()