fix: code review batch 2 — multi-channel, thread safety, DSP reset, MIDI, hotspot, NAM, docs/CI, code quality

main.py

@@ -607,6 +607,7 @@ class PedalApp:
                 bypassed=self._bypassed,
                 fx_active=fx_active,
                 fx_bypass_states=fx_bypass_states,
+                hotspot_password=self._get_hotspot_password(),
             )
             self.display.update(state)
         except Exception:
@@ -616,6 +617,7 @@ class PedalApp:
                 preset_name="Ready",
                 bank_name="",
                 bypassed=self._bypassed,
+                hotspot_password=self._get_hotspot_password(),
             )
             self.display.update(state)
 
@@ -623,6 +625,14 @@ class PedalApp:
     # Helpers
     # ═══════════════════════════════════════════════════════════════
 
+    def _get_hotspot_password(self) -> str:
+        """Return hotspot password from config, or empty if not configured."""
+        try:
+            from src.system.network import get_hotspot_password
+            return get_hotspot_password()
+        except Exception:
+            return ""
+
     def _build_footswitch_layout(self) -> list[FootSwitch]:
         """Build FootSwitch list from config."""
         layout_cfg = self._config.get("footswitch", {}).get("layout", DEFAULT_CONFIG["footswitch"]["layout"])