diff --git a/packages/orchestrator/src/rpc-bridge.ts b/packages/orchestrator/src/rpc-bridge.ts
index a1d2c760..84df33fd 100644
--- a/packages/orchestrator/src/rpc-bridge.ts
+++ b/packages/orchestrator/src/rpc-bridge.ts
@@ -11,6 +11,10 @@ function error(id: string | undefined, command: string, message: string): RpcRes
 	return { id, type: "response", command, success: false, error: message };
 }
 
+function unsupported(id: string | undefined, command: RpcCommand["type"]): RpcResponse {
+	return error(id, command, `Unsupported RPC command in orchestrator bridge: ${command}`);
+}
+
 export async function handleRpcCommand(runtime: AgentSessionRuntime, command: RpcCommand): Promise<RpcResponse> {
 	const session = runtime.session;
 	const id = command.id;
@@ -25,11 +29,27 @@ export async function handleRpcCommand(runtime: AgentSessionRuntime, command: Rp
 			return success(id, "prompt");
 		}
 
+		case "steer": {
+			await session.steer(command.message, command.images);
+			return success(id, "steer");
+		}
+
+		case "follow_up": {
+			await session.followUp(command.message, command.images);
+			return success(id, "follow_up");
+		}
+
 		case "abort": {
 			await session.abort();
 			return success(id, "abort");
 		}
 
+		case "new_session":
+		case "switch_session":
+		case "fork":
+		case "clone":
+			return unsupported(id, command.type);
+
 		case "get_state": {
 			const state: RpcSessionState = {
 				model: session.model,
@@ -48,16 +68,147 @@ export async function handleRpcCommand(runtime: AgentSessionRuntime, command: Rp
 			return success(id, "get_state", state);
 		}
 
+		case "set_model": {
+			const models = await session.modelRegistry.getAvailable();
+			const model = models.find((m) => m.provider === command.provider && m.id === command.modelId);
+			if (!model) {
+				return error(id, "set_model", `Model not found: ${command.provider}/${command.modelId}`);
+			}
+			await session.setModel(model);
+			return success(id, "set_model", model);
+		}
+
+		case "cycle_model": {
+			const result = await session.cycleModel();
+			return success(id, "cycle_model", result ?? null);
+		}
+
+		case "get_available_models": {
+			const models = await session.modelRegistry.getAvailable();
+			return success(id, "get_available_models", { models });
+		}
+
+		case "set_thinking_level": {
+			session.setThinkingLevel(command.level);
+			return success(id, "set_thinking_level");
+		}
+
+		case "cycle_thinking_level": {
+			const level = session.cycleThinkingLevel();
+			return success(id, "cycle_thinking_level", level ? { level } : null);
+		}
+
+		case "set_steering_mode": {
+			session.setSteeringMode(command.mode);
+			return success(id, "set_steering_mode");
+		}
+
+		case "set_follow_up_mode": {
+			session.setFollowUpMode(command.mode);
+			return success(id, "set_follow_up_mode");
+		}
+
+		case "compact": {
+			const result = await session.compact(command.customInstructions);
+			return success(id, "compact", result);
+		}
+
+		case "set_auto_compaction": {
+			session.setAutoCompactionEnabled(command.enabled);
+			return success(id, "set_auto_compaction");
+		}
+
+		case "set_auto_retry": {
+			session.setAutoRetryEnabled(command.enabled);
+			return success(id, "set_auto_retry");
+		}
+
+		case "abort_retry": {
+			session.abortRetry();
+			return success(id, "abort_retry");
+		}
+
+		case "bash": {
+			const result = await session.executeBash(command.command, undefined, {
+				excludeFromContext: command.excludeFromContext,
+			});
+			return success(id, "bash", result);
+		}
+
+		case "abort_bash": {
+			session.abortBash();
+			return success(id, "abort_bash");
+		}
+
+		case "get_session_stats": {
+			const stats = session.getSessionStats();
+			return success(id, "get_session_stats", stats);
+		}
+
+		case "export_html": {
+			const path = await session.exportToHtml(command.outputPath);
+			return success(id, "export_html", { path });
+		}
+
+		case "get_fork_messages": {
+			const messages = session.getUserMessagesForForking();
+			return success(id, "get_fork_messages", { messages });
+		}
+
 		case "get_last_assistant_text": {
 			const text = session.getLastAssistantText() ?? null;
 			return success(id, "get_last_assistant_text", { text });
 		}
 
+		case "set_session_name": {
+			const name = command.name.trim();
+			if (!name) {
+				return error(id, "set_session_name", "Session name cannot be empty");
+			}
+			session.setSessionName(name);
+			return success(id, "set_session_name");
+		}
+
 		case "get_messages": {
 			return success(id, "get_messages", { messages: session.messages });
 		}
 
-		default:
-			return error(id, command.type, `Unsupported RPC command: ${command.type}`);
+		case "get_commands": {
+			const commands = [];
+
+			for (const registeredCommand of session.extensionRunner.getRegisteredCommands()) {
+				commands.push({
+					name: registeredCommand.invocationName,
+					description: registeredCommand.description,
+					source: "extension",
+					sourceInfo: registeredCommand.sourceInfo,
+				});
+			}
+
+			for (const template of session.promptTemplates) {
+				commands.push({
+					name: template.name,
+					description: template.description,
+					source: "prompt",
+					sourceInfo: template.sourceInfo,
+				});
+			}
+
+			for (const skill of session.resourceLoader.getSkills().skills) {
+				commands.push({
+					name: `skill:${skill.name}`,
+					description: skill.description,
+					source: "skill",
+					sourceInfo: skill.sourceInfo,
+				});
+			}
+
+			return success(id, "get_commands", { commands });
+		}
+
+		default: {
+			const unknownCommand = command as { type: string };
+			return error(id, unknownCommand.type, `Unknown command: ${unknownCommand.type}`);
+		}
 	}
 }