feat: add member terminal trigger and align terminal panel bottom-center

public/scripts/components/TerminalPanelComponent.js

@@ -21,11 +21,13 @@
                     this._buildPanel();
                 }
 
-                // Adjust position to be left of the details drawer
-                this._adjustRightOffset();
-                if (!this.resizeHandler) {
-                    this.resizeHandler = () => this._adjustRightOffset();
-                    window.addEventListener('resize', this.resizeHandler);
+                // Reset any leftover inline positioning so CSS centering applies
+                if (this.container) {
+                    this.container.style.right = '';
+                    this.container.style.left = '';
+                    this.container.style.top = '';
+                    this.container.style.bottom = '';
+                    this.container.style.width = '';
                 }
 
                 // Show panel with animation
@@ -193,17 +195,6 @@
                 return text;
             }
         }
-
-        _adjustRightOffset() {
-            try {
-                const drawer = document.querySelector('.details-drawer');
-                const isOpen = drawer && drawer.classList.contains('open');
-                const width = isOpen ? drawer.getBoundingClientRect().width : 0;
-                if (this.container) {
-                    this.container.style.right = `${width}px`;
-                }
-            } catch (_) { /* no-op */ }
-        }
     }
 
     // Expose singleton API