feat(cli): add session resume flags (#34713)

Co-authored-by: Kit Langton <7587245+kitlangton@users.noreply.github.com>

packages/cli/src/commands/commands.ts

@@ -14,6 +14,16 @@ export const Commands = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCO
       Flag.withDescription("Run with a private server instead of the background service"),
       Flag.withDefault(false),
     ),
+    continue: Flag.boolean("continue").pipe(
+      Flag.withAlias("c"),
+      Flag.withDescription("Continue the last session"),
+      Flag.withDefault(false),
+    ),
+    session: Flag.string("session").pipe(
+      Flag.withAlias("s"),
+      Flag.withDescription("Session ID to continue"),
+      Flag.optional,
+    ),
   },
   commands: [
     Spec.make("api", {

packages/cli/src/commands/handlers/default.ts

@@ -16,6 +16,7 @@ export default Runtime.handler(Commands, (input) =>
     const { runTui } = yield* Effect.promise(() => import("../../tui"))
     yield* runTui(
       transport,
+      { continue: input.continue, sessionID: Option.getOrUndefined(input.session) },
       input.standalone
         ? undefined
         : async () => {

packages/cli/src/tui.ts

@@ -5,10 +5,11 @@ import { Global } from "@opencode-ai/core/global"
 import { loadBuiltinPlugins } from "@opencode-ai/tui/builtins"
 import { OpenCode } from "@opencode-ai/client"
 import { createOpencodeClient } from "@opencode-ai/sdk/v2/client"
+import type { Args } from "@opencode-ai/tui/context/args"
 
 type Transport = { url: string; headers: RequestInit["headers"] }
 
-export function runTui(transport: Transport, reload?: () => Promise<Transport>) {
+export function runTui(transport: Transport, args: Args, reload?: () => Promise<Transport>) {
   const config = TuiConfig.resolve({}, { terminalSuspend: false })
   let disposeSlots: (() => void) | undefined
   return Effect.gen(function* () {
@@ -32,7 +33,7 @@ export function runTui(transport: Transport, reload?: () => Promise<Transport>)
             }
           }
         : undefined,
-      args: {},
+      args,
       config,
       pluginHost: {
         async start(input) {