feat(ui): improve write_stdin, terminate_session, list_sessions rendering in ChatRow

- Add proper UI cases for write_stdin showing session ID and input chars
- Add terminate_session rendering with termination status
- Add list_sessions rendering with sessions table
- Add i18n translations for all stdin operations

webview-ui/src/components/chat/ChatRow.tsx

@@ -71,6 +71,7 @@ import {
 	Split,
 	ArrowRight,
 	Check,
+	OctagonX,
 } from "lucide-react"
 import { cn } from "@/lib/utils"
 import { PathTooltip } from "../ui/PathTooltip"
@@ -992,6 +993,80 @@ export const ChatRowContent = ({
 						)}
 					</>
 				)
+			case "write_stdin": {
+				const stdinTool = tool as any
+				const sessionId = stdinTool.session_id
+				const chars = stdinTool.chars || ""
+				const displayChars = chars.length > 30 ? chars.slice(0, 30) + "..." : chars
+				const escapedChars = displayChars.replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/\t/g, "\\t")
+				return (
+					<>
+						<div style={headerStyle}>
+							<TerminalSquare className="size-4" aria-label="Terminal stdin icon" />
+							<span style={{ fontWeight: "bold" }}>
+								{chars
+									? t("chat:stdinOperations.sentToSession", {
+											sessionId,
+											chars: escapedChars,
+										})
+									: t("chat:stdinOperations.polledSession", { sessionId })}
+							</span>
+						</div>
+						{stdinTool.content && (
+							<div className="pl-6">
+								<CodeAccordian
+									code={stdinTool.content}
+									language="shell-session"
+									isExpanded={isExpanded}
+									onToggleExpand={handleToggleExpand}
+								/>
+							</div>
+						)}
+					</>
+				)
+			}
+			case "terminate_session": {
+				const terminateTool = tool as any
+				const sessionId = terminateTool.session_id
+				return (
+					<>
+						<div style={headerStyle}>
+							<OctagonX className="size-4" aria-label="Terminate session icon" />
+							<span style={{ fontWeight: "bold" }}>
+								{message.type === "ask"
+									? t("chat:stdinOperations.wantsToTerminate", { sessionId })
+									: t("chat:stdinOperations.didTerminate", { sessionId })}
+							</span>
+						</div>
+						{terminateTool.content && (
+							<div className="pl-6 text-muted-foreground">{terminateTool.content}</div>
+						)}
+					</>
+				)
+			}
+			case "list_sessions":
+				return (
+					<>
+						<div style={headerStyle}>
+							<TerminalSquare className="size-4" aria-label="List sessions icon" />
+							<span style={{ fontWeight: "bold" }}>
+								{message.type === "ask"
+									? t("chat:stdinOperations.wantsToListSessions")
+									: t("chat:stdinOperations.didListSessions")}
+							</span>
+						</div>
+						{tool.content && (
+							<div className="pl-6">
+								<CodeAccordian
+									code={tool.content}
+									language="markdown"
+									isExpanded={isExpanded}
+									onToggleExpand={handleToggleExpand}
+								/>
+							</div>
+						)}
+					</>
+				)
 			default:
 				return null
 		}

webview-ui/src/i18n/locales/en/chat.json

@@ -498,5 +498,13 @@
 	},
 	"readCommandOutput": {
 		"title": "Roo read command output"
+	},
+	"stdinOperations": {
+		"sentToSession": "Sent \"{{chars}}\" to session {{sessionId}}",
+		"polledSession": "Polled session {{sessionId}}",
+		"wantsToTerminate": "Wants to terminate session {{sessionId}}",
+		"didTerminate": "Terminated session {{sessionId}}",
+		"wantsToListSessions": "Wants to list active sessions",
+		"didListSessions": "Listed active sessions"
 	}
 }