refactor(shared): dedupe protocol schema typing and session/media helpers

ui/src/ui/types.ts

@@ -1,5 +1,10 @@
 export type UpdateAvailable = import("../../../src/infra/update-startup.js").UpdateAvailable;
 import type { ConfigUiHints } from "../../../src/shared/config-ui-hints-types.js";
+import type {
+  GatewayAgentRow as SharedGatewayAgentRow,
+  SessionsListResultBase,
+  SessionsPatchResultBase,
+} from "../../../src/shared/session-types.js";
 export type { ConfigUiHints } from "../../../src/shared/config-ui-hints-types.js";
 
 export type ChannelsStatusSnapshot = {
@@ -314,17 +319,7 @@ export type GatewaySessionsDefaults = {
   contextTokens: number | null;
 };
 
-export type GatewayAgentRow = {
-  id: string;
-  name?: string;
-  identity?: {
-    name?: string;
-    theme?: string;
-    emoji?: string;
-    avatar?: string;
-    avatarUrl?: string;
-  };
-};
+export type GatewayAgentRow = SharedGatewayAgentRow;
 
 export type AgentsListResult = {
   defaultId: string;
@@ -422,27 +417,16 @@ export type GatewaySessionRow = {
   contextTokens?: number;
 };
 
-export type SessionsListResult = {
-  ts: number;
-  path: string;
-  count: number;
-  defaults: GatewaySessionsDefaults;
-  sessions: GatewaySessionRow[];
-};
+export type SessionsListResult = SessionsListResultBase<GatewaySessionsDefaults, GatewaySessionRow>;
 
-export type SessionsPatchResult = {
-  ok: true;
-  path: string;
-  key: string;
-  entry: {
-    sessionId: string;
-    updatedAt?: number;
-    thinkingLevel?: string;
-    verboseLevel?: string;
-    reasoningLevel?: string;
-    elevatedLevel?: string;
-  };
-};
+export type SessionsPatchResult = SessionsPatchResultBase<{
+  sessionId: string;
+  updatedAt?: number;
+  thinkingLevel?: string;
+  verboseLevel?: string;
+  reasoningLevel?: string;
+  elevatedLevel?: string;
+}>;
 
 export type {
   CostUsageDailyEntry,