revert: drop unrelated acp sdk changes

Author: kitlangton

packages/opencode/src/acp/agent.ts

@@ -497,6 +497,7 @@ export namespace ACP {
                 sessionId,
                 update: {
                   sessionUpdate: "agent_message_chunk",
+                  messageId: props.messageID,
                   content: {
                     type: "text",
                     text: props.delta,
@@ -515,6 +516,7 @@ export namespace ACP {
                 sessionId,
                 update: {
                   sessionUpdate: "agent_thought_chunk",
+                  messageId: props.messageID,
                   content: {
                     type: "text",
                     text: props.delta,
@@ -679,7 +681,7 @@ export namespace ACP {
       }
     }
 
-    async unstable_listSessions(params: ListSessionsRequest): Promise<ListSessionsResponse> {
+    async listSessions(params: ListSessionsRequest): Promise<ListSessionsResponse> {
       try {
         const cursor = params.cursor ? Number(params.cursor) : undefined
         const limit = 100
@@ -983,6 +985,7 @@ export namespace ACP {
                 sessionId,
                 update: {
                   sessionUpdate: message.info.role === "user" ? "user_message_chunk" : "agent_message_chunk",
+                  messageId: message.info.id,
                   content: {
                     type: "text",
                     text: part.text,
@@ -1014,6 +1017,7 @@ export namespace ACP {
                 sessionId,
                 update: {
                   sessionUpdate: messageChunk,
+                  messageId: message.info.id,
                   content: { type: "resource_link", uri: url, name: filename, mimeType: mime },
                 },
               })
@@ -1035,6 +1039,7 @@ export namespace ACP {
                   sessionId,
                   update: {
                     sessionUpdate: messageChunk,
+                    messageId: message.info.id,
                     content: {
                       type: "image",
                       mimeType: effectiveMime,
@@ -1063,6 +1068,7 @@ export namespace ACP {
                   sessionId,
                   update: {
                     sessionUpdate: messageChunk,
+                    messageId: message.info.id,
                     content: { type: "resource", resource },
                   },
                 })
@@ -1079,6 +1085,7 @@ export namespace ACP {
                 sessionId,
                 update: {
                   sessionUpdate: "agent_thought_chunk",
+                  messageId: message.info.id,
                   content: {
                     type: "text",
                     text: part.text,

packages/opencode/test/acp/agent-interface.test.ts

@@ -35,7 +35,7 @@ describe("acp.agent interface compliance", () => {
     "setSessionMode",
     "authenticate",
     // Unstable - SDK checks these with unstable_ prefix
-    "unstable_listSessions",
+    "listSessions",
     "unstable_forkSession",
     "unstable_resumeSession",
     "unstable_setSessionModel",