fix: clean up all empty catch blocks in Terminal components

修复了 Terminal 组件中的所有 8 个空 catch 块：
- Desktop/Apps/Terminal/Terminal.tsx: 修复 5 个空 catch 块
- Mobile/Apps/Terminal/Terminal.tsx: 修复 3 个空 catch 块

所有空块都添加了描述性注释。这是空块修复的最后一批。

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/ui/Desktop/Apps/Terminal/Terminal.tsx

@@ -99,7 +99,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
       if (terminal && typeof (terminal as any).refresh === "function") {
         (terminal as any).refresh(0, terminal.rows - 1);
       }
-    } catch (_) {}
+    } catch {
+      // Ignore terminal refresh errors
+    }
   }
 
   function scheduleNotify(cols: number, rows: number) {
@@ -161,7 +163,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
             scheduleNotify(cols, rows);
             hardRefresh();
           }
-        } catch (_) {}
+        } catch {
+          // Ignore resize notification errors
+        }
       },
       refresh: () => hardRefresh(),
     }),
@@ -480,7 +484,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
         await navigator.clipboard.writeText(text);
         return;
       }
-    } catch (_) {}
+    } catch {
+      // Clipboard API not available, fallback to textarea method
+    }
     const textarea = document.createElement("textarea");
     textarea.value = text;
     textarea.style.position = "fixed";
@@ -500,7 +506,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
       if (navigator.clipboard && navigator.clipboard.readText) {
         return await navigator.clipboard.readText();
       }
-    } catch (_) {}
+    } catch {
+      // Clipboard read not available or not permitted
+    }
     return "";
   }
 
@@ -560,7 +568,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
           const pasteText = await readTextFromClipboard();
           if (pasteText) terminal.paste(pasteText);
         }
-      } catch (_) {}
+      } catch {
+        // Ignore clipboard operation errors
+      }
     };
     element?.addEventListener("contextmenu", handleContextMenu);
 

src/ui/Mobile/Apps/Terminal/Terminal.tsx

@@ -73,7 +73,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
       if (terminal && typeof (terminal as any).refresh === "function") {
         (terminal as any).refresh(0, terminal.rows - 1);
       }
-    } catch (_) {}
+    } catch {
+      // Ignore terminal refresh errors
+    }
   }
 
   function scheduleNotify(cols: number, rows: number) {
@@ -122,7 +124,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
             scheduleNotify(cols, rows);
             hardRefresh();
           }
-        } catch (_) {}
+        } catch {
+          // Ignore resize notification errors
+        }
       },
       refresh: () => hardRefresh(),
     }),
@@ -175,7 +179,9 @@ export const Terminal = forwardRef<any, SSHTerminalProps>(function SSHTerminal(
             `\r\n[${msg.message || t("terminal.disconnected")}]`,
           );
         }
-      } catch (error) {}
+      } catch {
+        // Ignore message parsing errors
+      }
     });
 
     ws.addEventListener("close", (event) => {