feat: add unarchive/restore for archived sessions

packages/app/src/components/dialog-select-file.tsx

@@ -441,6 +441,9 @@ export function DialogSelectFile(props: { mode?: DialogSelectFileMode; onOpenFil
                     >
                       {item.title}
                     </span>
+                    <Show when={item.archived}>
+                      <span class="text-12-regular text-text-weak">(archived)</span>
+                    </Show>
                     <Show when={item.description}>
                       <span
                         class="text-14-regular text-text-weak truncate"

packages/app/src/context/global-sync/event-reducer.ts

@@ -147,6 +147,7 @@ export function applyDirectoryEvent(input: {
       const trimmed = trimSessions(next, { limit: input.store.limit, permission: input.store.permission })
       input.setStore("session", reconcile(trimmed, { key: "id" }))
       cleanupDroppedSessionCaches(input.store, input.setStore, trimmed, input.setSessionTodo)
+      if (!info.parentID) input.setStore("sessionTotal", (value) => value + 1)
       break
     }
     case "session.deleted": {

packages/app/src/i18n/en.ts

@@ -33,6 +33,7 @@ export const dict = {
   "command.session.previous.unseen": "Previous unread session",
   "command.session.next.unseen": "Next unread session",
   "command.session.archive": "Archive session",
+  "command.session.unarchive": "Unarchive session",
 
   "command.palette": "Command palette",
 
@@ -643,6 +644,7 @@ export const dict = {
   "common.rename": "Rename",
   "common.reset": "Reset",
   "common.archive": "Archive",
+  "common.unarchive": "Unarchive",
   "common.delete": "Delete",
   "common.close": "Close",
   "common.edit": "Edit",

packages/app/src/pages/layout.tsx

@@ -1011,6 +1011,15 @@ export default function Layout(props: ParentProps) {
     }
   }
 
+  async function unarchiveSession(sessionID: string, directory: string) {
+    await globalSDK.client.session.update({
+      directory,
+      sessionID,
+      time: { archived: null },
+    })
+    navigate(`/${params.dir}/session/${sessionID}`)
+  }
+
   command.register("layout", () => {
     const commands: CommandOption[] = [
       {
@@ -1099,6 +1108,15 @@ export default function Layout(props: ParentProps) {
           if (session) void archiveSession(session)
         },
       },
+      {
+        id: "session.unarchive",
+        title: language.t("command.session.unarchive"),
+        category: language.t("command.category.session"),
+        disabled: !params.dir || !params.id,
+        onSelect: () => {
+          if (params.id && params.dir) void unarchiveSession(params.id, params.dir)
+        },
+      },
       {
         id: "workspace.new",
         title: language.t("workspace.new"),

packages/app/src/pages/session/message-timeline.tsx

@@ -527,6 +527,15 @@ export function MessageTimeline(props: {
       })
   }
 
+  const unarchiveSession = async (sessionID: string) => {
+    await sdk.client.session.update({ sessionID, time: { archived: null } }).catch((err) => {
+      showToast({
+        title: language.t("common.requestFailed"),
+        description: errorMessage(err),
+      })
+    })
+  }
+
   const deleteSession = async (sessionID: string) => {
     const session = sync.session.get(sessionID)
     if (!session) return false
@@ -878,9 +887,18 @@ export function MessageTimeline(props: {
                                     </DropdownMenu.ItemLabel>
                                   </DropdownMenu.Item>
                                 </Show>
-                                <DropdownMenu.Item onSelect={() => void archiveSession(id)}>
-                                  <DropdownMenu.ItemLabel>{language.t("common.archive")}</DropdownMenu.ItemLabel>
-                                </DropdownMenu.Item>
+                                <Show
+                                  when={info()?.time?.archived}
+                                  fallback={
+                                    <DropdownMenu.Item onSelect={() => void archiveSession(id)}>
+                                      <DropdownMenu.ItemLabel>{language.t("common.archive")}</DropdownMenu.ItemLabel>
+                                    </DropdownMenu.Item>
+                                  }
+                                >
+                                  <DropdownMenu.Item onSelect={() => void unarchiveSession(id)}>
+                                    <DropdownMenu.ItemLabel>{language.t("common.unarchive")}</DropdownMenu.ItemLabel>
+                                  </DropdownMenu.Item>
+                                </Show>
                                 <DropdownMenu.Separator />
                                 <DropdownMenu.Item
                                   onSelect={() => dialog.show(() => <DialogDeleteSession sessionID={id} />)}

packages/opencode/src/cli/cmd/tui/component/dialog-session-list.tsx

@@ -157,10 +157,15 @@ export function DialogSessionList() {
           category = "Today"
         }
         const isDeleting = toDelete() === x.id
+        const isArchived = !!x.time?.archived
         const status = sync.data.session_status?.[x.id]
         const isWorking = status?.type === "busy"
         return {
-          title: isDeleting ? `Press ${keybind.print("session_delete")} again to confirm` : x.title,
+          title: isDeleting
+            ? `Press ${keybind.print("session_delete")} again to confirm`
+            : isArchived
+              ? `[archived] ${x.title}`
+              : x.title,
           bg: isDeleting ? theme.error : undefined,
           value: x.id,
           category,
@@ -247,6 +252,29 @@ export function DialogSessionList() {
             dialog.replace(() => <DialogSessionRename session={option.value} />)
           },
         },
+        {
+          keybind: Keybind.parse("ctrl+a")[0],
+          title: "archive",
+          onTrigger: async (option) => {
+            const session = sessions().find((item) => item.id === option.value)
+            if (!session) return
+            const archived = session.time?.archived
+            await sdk.client.session
+              .update({
+                sessionID: option.value,
+                time: { archived: archived ? null : Date.now() },
+              })
+              .catch((err) => {
+                toast.show({
+                  variant: "error",
+                  title: archived ? "Failed to unarchive session" : "Failed to archive session",
+                  message: errorMessage(err),
+                })
+              })
+            await sync.session.refresh()
+            if (search()) await refetch()
+          },
+        },
         {
           keybind: Keybind.parse("ctrl+w")[0],
           title: "new workspace",

packages/opencode/src/server/routes/instance/session.ts

@@ -288,7 +288,7 @@ export const SessionRoutes = lazy(() =>
           permission: Permission.Ruleset.zod.optional(),
           time: z
             .object({
-              archived: z.number().optional(),
+              archived: z.number().nullable().optional(),
             })
             .optional(),
         }),
@@ -310,7 +310,7 @@ export const SessionRoutes = lazy(() =>
             })
           }
           if (updates.time?.archived !== undefined) {
-            yield* session.setArchived({ sessionID, time: updates.time.archived })
+            yield* session.setArchived({ sessionID, time: updates.time.archived ?? undefined })
           }
 
           return yield* session.get(sessionID)

packages/opencode/src/session/session.ts

@@ -617,7 +617,7 @@ export const layer: Layer.Layer<Service, never, Bus.Service | Storage.Service> =
     })
 
     const setArchived = Effect.fn("Session.setArchived")(function* (input: { sessionID: SessionID; time?: number }) {
-      yield* patch(input.sessionID, { time: { archived: input.time } })
+      yield* patch(input.sessionID, { time: { archived: input.time ?? null } })
     })
 
     const setPermission = Effect.fn("Session.setPermission")(function* (input: {

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

@@ -1795,7 +1795,7 @@ export class Session2 extends HeyApiClient {
       title?: string
       permission?: PermissionRuleset
       time?: {
-        archived?: number
+        archived?: number | null
       }
     },
     options?: Options<never, ThrowOnError>,

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

@@ -3420,7 +3420,7 @@ export type SessionUpdateData = {
     title?: string
     permission?: PermissionRuleset
     time?: {
-      archived?: number
+      archived?: number | null
     }
   }
   path: {

packages/sdk/openapi.json

@@ -2652,7 +2652,14 @@
                     "type": "object",
                     "properties": {
                       "archived": {
-                        "type": "number"
+                        "anyOf": [
+                          {
+                            "type": "number"
+                          },
+                          {
+                            "type": "null"
+                          }
+                        ]
                       }
                     }
                   }