import { Type, type Static } from '@sinclair/typebox';
import { AgentStatusSchema, RuntimeStateSchema } from '@/contracts/agent-info';
import { UsageSchema } from '@/types/usage';

/** Session-addressed runtime metadata. Internal runtime IDs never cross this projection. */
export const SessionRuntimeInfoSchema = Type.Object({
  session_id: Type.String({ minLength: 1 }),
  cwd: Type.String({ minLength: 1 }),
  title: Type.Optional(Type.String()),
  model: Type.Optional(Type.String()),
  provider: Type.Optional(Type.String()),
  mode: Type.Optional(Type.String()),
  /**
   * The active model's reasoning effort (saga p7m8jp.3). Secret-free, optional + additive —
   * old payloads remain valid. Absent when the model has no reasoning effort support or when
   * the runtime is an older version that does not project it.
   */
  reasoning_effort: Type.Optional(Type.String()),
  status: AgentStatusSchema,
  runtime_state: RuntimeStateSchema,
  created_at: Type.Integer({ minimum: 0 }),
  usage: Type.Optional(UsageSchema),
}, { additionalProperties: false });

export type SessionRuntimeInfo = Static<typeof SessionRuntimeInfoSchema>;