feat(core): add session metadata support (#23068)

Co-authored-by: Aiden Cline <aidenpcline@gmail.com>

packages/sdk/js/src/v2/gen/sdk.gen.ts

@@ -3100,6 +3100,9 @@ export class Session2 extends HeyApiClient {
         providerID: string
         variant?: string
       }
+      metadata?: {
+        [key: string]: unknown
+      }
       permission?: PermissionRuleset
       workspaceID?: string
     },
@@ -3116,6 +3119,7 @@ export class Session2 extends HeyApiClient {
             { in: "body", key: "title" },
             { in: "body", key: "agent" },
             { in: "body", key: "model" },
+            { in: "body", key: "metadata" },
             { in: "body", key: "permission" },
             { in: "body", key: "workspaceID" },
           ],
@@ -3239,6 +3243,9 @@ export class Session2 extends HeyApiClient {
       directory?: string
       workspace?: string
       title?: string
+      metadata?: {
+        [key: string]: unknown
+      }
       permission?: PermissionRuleset
       time?: {
         archived?: number
@@ -3255,6 +3262,7 @@ export class Session2 extends HeyApiClient {
             { in: "query", key: "directory" },
             { in: "query", key: "workspace" },
             { in: "body", key: "title" },
+            { in: "body", key: "metadata" },
             { in: "body", key: "permission" },
             { in: "body", key: "time" },
           ],

packages/sdk/js/src/v2/gen/types.gen.ts

@@ -780,6 +780,9 @@ export type Session = {
     variant?: string
   }
   version: string
+  metadata?: {
+    [key: string]: unknown
+  }
   time: {
     created: number
     updated: number
@@ -1516,6 +1519,9 @@ export type GlobalSession = {
     variant?: string
   }
   version: string
+  metadata?: {
+    [key: string]: unknown
+  }
   time: {
     created: number
     updated: number
@@ -2086,6 +2092,9 @@ export type SyncEventSessionUpdated = {
         variant?: string
       } | null
       version?: string | null
+      metadata?: {
+        [key: string]: unknown
+      } | null
       time?: {
         created?: number | null
         updated?: number | null
@@ -6093,6 +6102,9 @@ export type SessionCreateData = {
       providerID: string
       variant?: string
     }
+    metadata?: {
+      [key: string]: unknown
+    }
     permission?: PermissionRuleset
     workspaceID?: string
   }
@@ -6223,6 +6235,9 @@ export type SessionGetResponse = SessionGetResponses[keyof SessionGetResponses]
 export type SessionUpdateData = {
   body?: {
     title?: string
+    metadata?: {
+      [key: string]: unknown
+    }
     permission?: PermissionRuleset
     time?: {
       archived?: number