Merge branch 'feat/tool-definition-manifest' into dev

Conflicts resolved:
- models/__init__.py: kept both TerminalSessionModel (from dev) and
  ToolDefinitionManifest (from feature branch)
- alembic migration: kept full migration (already applied to DB)
- openspec/config.yaml: kept full config with SDD settings

apps/web/src/api/terminal.ts

@@ -0,0 +1,77 @@
+import { apiClient } from "./client";
+
+export interface TerminalSession {
+	id: string;
+	name: string;
+	status: string;
+	has_websockets: boolean;
+	created_at: string;
+	last_activity_at: string | null;
+}
+
+export interface TerminalSessionListResponse {
+	sessions: TerminalSession[];
+}
+
+export interface TerminalSessionCreateRequest {
+	name?: string;
+}
+
+export interface TerminalSessionCreateResponse {
+	id: string;
+	name: string;
+	status: string;
+	created_at: string;
+}
+
+export async function listTerminalSessions(
+	instanceId: string,
+): Promise<TerminalSession[]> {
+	const response = await apiClient.get(
+		`/instances/${instanceId}/terminal/sessions`,
+	);
+	return response.data.sessions;
+}
+
+export async function createTerminalSession(
+	instanceId: string,
+	name?: string,
+): Promise<TerminalSessionCreateResponse> {
+	const response = await apiClient.post(
+		`/instances/${instanceId}/terminal/sessions`,
+		{ name },
+	);
+	return response.data;
+}
+
+export async function closeTerminalSession(
+	instanceId: string,
+	sessionId: string,
+): Promise<{ status: string; session_id: string }> {
+	const response = await apiClient.delete(
+		`/instances/${instanceId}/terminal/sessions/${sessionId}`,
+	);
+	return response.data;
+}
+
+export async function resetTerminalSession(
+	instanceId: string,
+	sessionId: string,
+): Promise<{ id: string; name: string; status: string }> {
+	const response = await apiClient.post(
+		`/instances/${instanceId}/terminal/sessions/${sessionId}/reset`,
+	);
+	return response.data;
+}
+
+export async function renameTerminalSession(
+	instanceId: string,
+	sessionId: string,
+	name: string,
+): Promise<{ id: string; name: string }> {
+	const response = await apiClient.post(
+		`/instances/${instanceId}/terminal/sessions/${sessionId}/rename`,
+		{ name },
+	);
+	return response.data;
+}