feat(status-ui): improve concurrent session workflows

Add in-place session renewal, searchable model selection, clearer progress feedback, tool-result previews, and per-session presentation state.

Keep commands, errors, loading, and lifecycle indicators attached to their owning runtime so parallel tabs cannot interfere.

src/protocol/index.js

@@ -32,6 +32,7 @@ const requestOperations = new Map([
 	["extension_response", { agent: true, payload: "extensionResponse" }],
 	["retry", { agent: true, payload: "none" }],
 	["restart", { agent: true, payload: "none" }],
+	["renew_session", { agent: true, payload: "none" }],
 	["get_available_models", { agent: true, payload: "none" }],
 	["get_commands", { agent: true, payload: "none" }],
 	["set_session_name", { agent: true, payload: "sessionName" }],
@@ -102,10 +103,7 @@ function assertString(value, field, { maxLength = 4096, pattern } = {}) {
 		);
 	}
 	if (pattern && !pattern.test(value))
-		throw new ProtocolError(
-			"invalid_message",
-			`${field} has an invalid format`,
-		);
+		throw new ProtocolError("invalid_message", `${field} has an invalid format`);
 	return value;
 }