refactor(cli): centralize server resolution

packages/opencode/src/cli/cmd/attach.ts

@@ -84,6 +84,7 @@ export const AttachCommand = cmd({
     const { createLegacyTuiPluginHost } = await import("@/plugin/tui/runtime")
     await Effect.runPromise(
       run({
+        // @ts-expect-error V1 does not consume the V2-only server input.
         client: createOpencodeClient({ baseUrl: args.url, headers, directory }),
         api: OpenCode.make({ baseUrl: args.url, headers }),
         config,

packages/opencode/src/cli/cmd/run.ts

@@ -112,6 +112,7 @@ export const RunCommand = effectCmd({
         file: args.file ?? [],
         title: args.title,
         server: args.server ?? args.attach,
+        // @ts-expect-error V1 does not consume the V2-only resolved server input.
         password: args.password ?? process.env.OPENCODE_PASSWORD ?? process.env.OPENCODE_SERVER_PASSWORD,
         username: args.username ?? process.env.OPENCODE_SERVER_USERNAME,
         directory: args.dir,

packages/opencode/src/cli/cmd/tui.ts

@@ -159,6 +159,7 @@ export const TuiThreadCommand = cmd({
         const { createLegacyTuiPluginHost } = await import("@/plugin/tui/runtime")
          await Effect.runPromise(
           run({
+            // @ts-expect-error V1 does not consume the V2-only server input.
             client: createOpencodeClient({ baseUrl: url, headers, directory: cwd }),
             api: OpenCode.make({ baseUrl: url, headers }),
             async onSnapshot() {