Update documentation.

app/ui/request_panel.py

@@ -1,4 +1,4 @@
-"""APIClient - Agent — Request Panel."""
+"""APIClient - Agent - Request Panel."""
 from PyQt6.QtWidgets import (
     QWidget, QVBoxLayout, QHBoxLayout, QComboBox, QLineEdit,
     QPushButton, QTabWidget, QTableWidget, QTableWidgetItem,
@@ -227,7 +227,7 @@ class RequestPanel(QWidget):
 
         self.url_input = QLineEdit()
         self.url_input.setObjectName("urlBar")
-        self.url_input.setPlaceholderText("Enter URL  —  e.g. https://api.example.com/v1/users")
+        self.url_input.setPlaceholderText("Enter URL  -  e.g. https://api.example.com/v1/users")
         self.url_input.returnPressed.connect(self._send)
 
         self.send_btn = QPushButton("Send")
@@ -359,7 +359,7 @@ class RequestPanel(QWidget):
     # ── Slots ────────────────────────────────────────────────────────────────
 
     def _on_method_changed(self, method: str):
-        # Inline style is intentional here — color is dynamic per method value
+        # Inline style is intentional here - color is dynamic per method value
         color = method_color(method)
         self.method_combo.setStyleSheet(f"QComboBox#methodCombo {{ color: {color}; }}")
 
@@ -377,7 +377,7 @@ class RequestPanel(QWidget):
             parsed = json.loads(text)
             self.body_editor.setPlainText(json.dumps(parsed, indent=2, ensure_ascii=False))
         except json.JSONDecodeError:
-            pass  # not valid JSON — leave as-is
+            pass  # not valid JSON - leave as-is
 
     def _send(self):
         self.send_requested.emit(self._build_request())