Fix OpenCode server HTTP response parsing for parts array

opencode_llm.py

@@ -240,12 +240,16 @@ class OpenCodeLLM(FrameProcessor):
                 }
 
                 async with session.post(msg_url, json=payload) as resp:
-                    async for line in resp.content:
-                        line_str = line.decode("utf-8").strip()
-                        if not line_str:
-                            continue
-                        try:
-                            data = json.loads(line_str)
+                    if resp.status == 200:
+                        data = await resp.json()
+                        parts = data.get("parts", []) if isinstance(data, dict) else []
+                        for p in parts:
+                            if isinstance(p, dict) and p.get("type") == "text" and "text" in p:
+                                text_chunk = _clean_spoken_text(p["text"])
+                                if text_chunk:
+                                    chunks.append(text_chunk)
+                                    await self.push_frame(LLMTextFrame(text_chunk))
+                        if not chunks and isinstance(data, dict):
                             if "delta" in data:
                                 text_chunk = _clean_spoken_text(data["delta"])
                                 if text_chunk:
@@ -256,8 +260,9 @@ class OpenCodeLLM(FrameProcessor):
                                 if text_chunk:
                                     chunks.append(text_chunk)
                                     await self.push_frame(LLMTextFrame(text_chunk))
-                        except json.JSONDecodeError:
-                            pass
+                    else:
+                        err_text = await resp.text()
+                        logger.error(f"OpenCode server HTTP {resp.status}: {err_text}")
 
         except asyncio.CancelledError:
             logger.info("OpenCode server turn cancelled mid-response.")