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"""Native transcript readers; all destinations use the shared handoff importer.
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Formats: openai/codex rollout payloads; MoonshotAI/kimi-code contextMemory;
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Pi's session-manager.buildSessionContext; native Cursor/Antigravity transcripts.
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Unsupported state changes fail instead of silently dropping active context.
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"""
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from __future__ import annotations
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import json
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from pathlib import Path
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from typing import Any
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import claude_to_codex as engine
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def _message(role: str, text: str) -> dict:
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return {"role": role, "content": [{"type": "text", "text": text}]}
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def _parts(content: Any, role: str, warnings: list[str]) -> list[dict]:
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if isinstance(content, str):
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content = [{"type": "text", "text": content}]
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if not isinstance(content, list):
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raise engine.HandoffError("Native message has invalid content.")
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parts = []
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for part in content:
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if not isinstance(part, dict):
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raise engine.HandoffError("Native message has an invalid content block.")
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kind = part.get("type")
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if kind in {"thinking", "redacted_thinking", "think"}:
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if "Hidden reasoning was excluded." not in warnings:
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warnings.append("Hidden reasoning was excluded.")
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elif kind in {"text", "input_text", "output_text"} and isinstance(part.get("text"), str):
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parts.append({"type": "input_text" if role == "user" else "output_text", "text": part["text"]})
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elif kind == "image":
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source = part.get("source") or {
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"type": "base64",
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"data": part.get("data"),
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"media_type": part.get("mimeType"),
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}
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media_type, data = engine._image_payload(source, "Native message image")
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parts.append({"type": "input_image", "image_url": f"data:{media_type};base64,{data}"})
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elif kind in {"image_url", "input_image"}:
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url = part.get("image_url")
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if isinstance(url, dict):
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url = url.get("url")
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engine._data_url_payload(url, "Native message image")
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parts.append({"type": "input_image", "image_url": url})
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elif kind not in {"toolCall", "tool_use"}:
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raise engine.HandoffError(f"Unsupported native content block: {kind!r}.")
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return parts
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def _call_item(call: dict) -> dict:
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function = call.get("function", call)
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arguments = function.get("arguments", "{}")
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return {
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"type": "function_call",
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"call_id": call.get("id"),
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"name": function.get("name"),
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"arguments": arguments if isinstance(arguments, str) else json.dumps(arguments),
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}
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def _messages_items(messages: list[dict], warnings: list[str]) -> list[dict]:
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items = []
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for message in messages:
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if not isinstance(message, dict):
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raise engine.HandoffError("Invalid native message.")
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role = message.get("role")
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if role in {"system", "developer"}:
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if "Source harness instructions were excluded." not in warnings:
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warnings.append("Source harness instructions were excluded.")
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continue
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if role in {"tool", "toolResult"}:
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output_parts = _parts(message.get("content"), "assistant", warnings)
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output = []
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for part in output_parts:
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if part["type"] == "input_image":
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media_type, data = engine._data_url_payload(part["image_url"], "Tool result image")
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output.append(
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{"type": "image", "source": {"type": "base64", "media_type": media_type, "data": data}}
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)
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else:
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output.append({"type": "text", "text": part["text"]})
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if message.get("isError"):
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output.insert(0, {"type": "text", "text": "Tool failed."})
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if message.get("note"):
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output.append({"type": "text", "text": str(message["note"])})
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item = {
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"type": "function_call_output",
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"call_id": message.get("toolCallId") or message.get("tool_call_id"),
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"output": output,
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}
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if message.get("toolName") or message.get("name"):
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item["name"] = message.get("toolName") or message["name"]
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items.append(item)
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continue
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if role not in {"user", "assistant"}:
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raise engine.HandoffError(f"Unsupported native message role: {role!r}.")
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if message.get("partial") or message.get("stopReason") in {"error", "aborted"}:
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raise engine.HandoffError("Native assistant response is incomplete; finish the source turn first.")
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content = message.get("content", [])
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if isinstance(content, str):
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content = [{"type": "text", "text": content}]
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if not isinstance(content, list):
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raise engine.HandoffError("Native message has invalid content.")
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parts = []
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for part in content:
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if isinstance(part, dict) and part.get("type") in {"toolCall", "tool_use"}:
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if role != "assistant":
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raise engine.HandoffError("Native user message contains an assistant tool call.")
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if parts:
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items.append({"type": "message", "role": role, "content": parts})
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parts = []
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items.append(
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_call_item(
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{
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"id": part.get("id"),
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"name": part.get("name"),
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"arguments": json.dumps(part.get("arguments", part.get("input", {}))),
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}
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)
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)
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else:
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parts.extend(_parts([part], role, warnings))
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if parts:
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items.append({"type": "message", "role": role, "content": parts})
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for call in message.get("toolCalls") or message.get("tool_calls") or []:
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items.append(_call_item(call))
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return items
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def _codex(records: list[dict], warnings: list[str]) -> tuple[list[dict], dict]:
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# Native Responses items are the authoritative history, event_msg is UI data.
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items, source = [], {}
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for record in records:
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kind, payload = record.get("type"), record.get("payload")
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if not isinstance(payload, dict):
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raise engine.HandoffError("Invalid Codex rollout payload.")
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if kind == "session_meta":
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source.update(session_id=payload.get("id"), cwd=payload.get("cwd"))
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elif kind == "compacted":
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replacement = payload.get("replacement_history")
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if not isinstance(replacement, list) or not replacement:
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raise engine.HandoffError(
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"Codex compaction is opaque; a complete plaintext replacement history is required."
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)
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items = list(replacement)
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elif kind == "response_item":
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items.append(payload)
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elif kind == "event_msg":
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if payload.get("type") == "thread_rolled_back":
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raise engine.HandoffError("Codex rollback requires a native active-context export.")
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elif kind != "turn_context":
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raise engine.HandoffError(f"Unsupported Codex rollout record: {kind!r}.")
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result = []
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for item in items:
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kind = item.get("type")
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if kind == "reasoning":
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warnings.append("Hidden reasoning was excluded.")
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elif kind == "message" and item.get("role") in {"system", "developer"}:
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warnings.append("Source harness instructions were excluded.")
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elif kind == "custom_tool_call":
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result.append(
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{
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"type": "function_call",
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"call_id": item.get("call_id"),
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"name": item.get("name"),
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"arguments": json.dumps({"input": item.get("input")}),
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}
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)
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elif kind == "custom_tool_call_output":
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result.append({**item, "type": "function_call_output"})
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elif kind == "compaction":
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raise engine.HandoffError(
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"Codex compaction contains opaque model state; it cannot be transferred losslessly."
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)
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else:
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result.append(dict(item))
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return result, source
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def _cursor(records: list[dict], warnings: list[str]) -> tuple[list[dict], dict]:
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# Cursor's persisted transcript uses role + message.content, without Claude's parent chain.
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converted = []
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source = {}
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for index, record in enumerate(records):
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role = record.get("role") or record.get("type")
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if role not in {"user", "assistant"} or not isinstance(record.get("message"), dict):
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raise engine.HandoffError("Unsupported Cursor transcript record; provide a complete native JSONL export.")
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converted.append({**record, "type": role, "uuid": str(index)})
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if record.get("session_id"):
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source["session_id"] = record["session_id"]
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if record.get("cwd"):
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source["cwd"] = record["cwd"]
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items, skipped = engine._responses_items(converted)
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if skipped:
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warnings.append("Hidden reasoning was excluded.")
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return items, source
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def _antigravity(records: list[dict], warnings: list[str]) -> tuple[list[dict], dict]:
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messages = []
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for step in records:
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if step.get("status") != "DONE":
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raise engine.HandoffError("Antigravity has an unfinished transcript step; finish the source turn first.")
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kind, content = step.get("type"), step.get("content")
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if not isinstance(content, str):
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raise engine.HandoffError("Antigravity transcript content is not transferable text.")
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if kind == "USER_INPUT":
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messages.append(_message("user", content))
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elif kind == "PLANNER_RESPONSE" and step.get("source") == "MODEL":
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messages.append(_message("assistant", content))
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else:
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raise engine.HandoffError(
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f"Unsupported Antigravity step {kind!r}; its visible conversation semantics are not verified."
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)
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return _messages_items(messages, warnings), {}
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def _kimi_compact(messages: list[dict], record: dict) -> list[dict]:
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summary = record.get("contextSummary", record.get("summary"))
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if isinstance(summary, dict):
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summary_message = summary
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elif isinstance(summary, str):
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summary_message = {**_message("user", summary), "origin": {"kind": "compaction_summary"}}
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else:
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raise engine.HandoffError("Kimi compaction has no transferable summary.")
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if record.get("legacyTail") or "keptUserMessageCount" not in record:
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count = record.get("compactedCount", record.get("count"))
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if not isinstance(count, int) or not 0 <= count <= len(messages):
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raise engine.HandoffError("Invalid Kimi compaction boundary.")
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return [summary_message, *messages[count:]]
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users = []
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for message in messages:
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origin = message.get("origin") or {}
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if message.get("role") == "user" and (
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origin.get("kind") in {None, "user"}
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or (origin.get("kind") in {"skill_activation", "plugin_command"} and origin.get("trigger") == "user-slash")
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):
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users.append(message)
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# Kimi trims user inputs above this native budget. Do not approximate that destructive rewrite.
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tokens = 0
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for message in users:
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if message.get("toolCalls"):
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raise engine.HandoffError("Unsupported Kimi compaction user tool calls.")
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tokens += 1 # estimateTokens('user')
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for part in message.get("content", []):
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if part.get("type") not in {"text", "think"}:
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tokens += 2000
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else:
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text = part.get("text", part.get("think", ""))
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ascii_count = sum(ord(char) <= 127 for char in text)
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tokens += (ascii_count + 3) // 4 + len(text) - ascii_count
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if tokens > 20000 or record.get("keptHeadUserMessageCount"):
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raise engine.HandoffError("Kimi compaction elided user content; use a native active-context bundle export.")
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continuation = _message(
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"user",
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"<system-reminder>\nContext compaction is complete — continue the work that was in progress when it began.\n</system-reminder>",
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)
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return [*users, summary_message, continuation]
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def _kimi(records: list[dict], warnings: list[str]) -> tuple[list[dict], dict]:
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# Mirrors Kimi v2 context.append_message and completed loop events, not UI stream fragments.
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messages, source = [], {}
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opened, step_id = None, None
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for record in records:
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if record.get("agentId") not in {None, "main"}:
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continue
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kind = record.get("type", "")
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if kind in {"profile.bind", "config.update"}:
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cwd = (record.get("environmentDisclosure") or {}).get("cwd") or record.get("cwd")
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if cwd:
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source["cwd"] = cwd
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elif kind == "context.append_message":
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if opened is not None:
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raise engine.HandoffError("Kimi interleaved messages require a completed native context export.")
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messages.append(record.get("message"))
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elif kind == "context.append_loop_event":
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event = record.get("event") or {}
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event_type = event.get("type")
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if event_type == "step.begin":
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if opened is not None:
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raise engine.HandoffError("Kimi previous response did not complete.")
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step_id = event.get("uuid")
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opened = {"role": "assistant", "content": [], "toolCalls": []}
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messages.append(opened)
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elif event_type == "step.end":
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if event.get("uuid") != step_id or event.get("finishReason") in {"error", "interrupted"}:
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raise engine.HandoffError("Kimi response is incomplete or interrupted.")
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opened, step_id = None, None
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elif event_type in {"content.part", "tool.call"}:
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if opened is None or event.get("stepUuid") != step_id:
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raise engine.HandoffError("Kimi content has no matching active response.")
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if event_type == "content.part":
|
|
|
|
|
opened["content"].append(event.get("part"))
|
|
|
|
|
else:
|
|
|
|
|
opened["toolCalls"].append(
|
|
|
|
|
{
|
|
|
|
|
"id": event.get("toolCallId"),
|
|
|
|
|
"name": event.get("name"),
|
|
|
|
|
"arguments": json.dumps(event.get("args", {})),
|
|
|
|
|
}
|
|
|
|
|
)
|
|
|
|
|
elif event_type == "tool.result":
|
|
|
|
|
result = event.get("result") or {}
|
|
|
|
|
messages.append(
|
|
|
|
|
{
|
|
|
|
|
"role": "tool",
|
|
|
|
|
"toolCallId": event.get("toolCallId"),
|
|
|
|
|
"content": result.get("output"),
|
|
|
|
|
"isError": result.get("isError"),
|
|
|
|
|
"note": result.get("note"),
|
|
|
|
|
}
|
|
|
|
|
)
|
|
|
|
|
else:
|
|
|
|
|
raise engine.HandoffError(f"Unsupported Kimi loop event: {event_type!r}.")
|
|
|
|
|
elif kind == "context.clear":
|
|
|
|
|
messages, opened, step_id = [], None, None
|
|
|
|
|
elif kind == "context.apply_compaction":
|
|
|
|
|
if opened is not None:
|
|
|
|
|
raise engine.HandoffError("Kimi compaction began during an unfinished response.")
|
|
|
|
|
messages = _kimi_compact(messages, record)
|
|
|
|
|
elif kind in {"context.undo", "micro_compaction.apply", "context.spliced"}:
|
|
|
|
|
raise engine.HandoffError(f"Kimi {kind} needs a native active-context export to preserve its state.")
|
|
|
|
|
elif kind.startswith("context.") and kind != "context.update_token_count":
|
|
|
|
|
raise engine.HandoffError(f"Unsupported Kimi context event: {kind!r}.")
|
|
|
|
|
# Remaining durable events configure Kimi's harness; they are not model messages.
|
|
|
|
|
if opened is not None:
|
|
|
|
|
raise engine.HandoffError("Kimi response is still streaming.")
|
|
|
|
|
return _messages_items(messages, warnings), source
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def _pi(records: list[dict], warnings: list[str]) -> tuple[list[dict], dict]:
|
|
|
|
|
header = records[0]
|
|
|
|
|
if header.get("type") != "session":
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw transcript has no session header.")
|
|
|
|
|
entries = [record for record in records[1:] if isinstance(record.get("id"), str)]
|
|
|
|
|
if len(entries) != len(records) - 1:
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw transcript entry has no ID.")
|
|
|
|
|
index = {entry["id"]: entry for entry in entries}
|
|
|
|
|
if len(index) != len(entries):
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw transcript has duplicate entry IDs.")
|
|
|
|
|
chain, seen = [], set()
|
|
|
|
|
current = entries[-1] if entries else None
|
|
|
|
|
while current:
|
|
|
|
|
if current["id"] in seen:
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw transcript has a parent cycle.")
|
|
|
|
|
seen.add(current["id"])
|
|
|
|
|
chain.append(current)
|
|
|
|
|
parent = current.get("parentId")
|
|
|
|
|
if parent is not None and parent not in index:
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw transcript has a missing parent.")
|
|
|
|
|
current = index.get(parent)
|
|
|
|
|
chain.reverse()
|
|
|
|
|
title = next((entry.get("name") for entry in reversed(chain) if entry.get("type") == "session_info"), None)
|
|
|
|
|
messages = []
|
|
|
|
|
boundary = next((i for i in range(len(chain) - 1, -1, -1) if chain[i].get("type") == "compaction"), None)
|
|
|
|
|
if boundary is not None:
|
|
|
|
|
compact = chain[boundary]
|
|
|
|
|
if not isinstance(compact.get("summary"), str):
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw compaction has no summary.")
|
|
|
|
|
messages.append(
|
|
|
|
|
_message(
|
|
|
|
|
"user",
|
|
|
|
|
f"The conversation history before this point was compacted into the following summary:\n\n<summary>\n{compact['summary']}\n</summary>",
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
kept = next((i for i in range(boundary) if chain[i]["id"] == compact.get("firstKeptEntryId")), boundary)
|
|
|
|
|
chain = chain[kept:boundary] + chain[boundary + 1 :]
|
|
|
|
|
for entry in chain:
|
|
|
|
|
kind = entry.get("type")
|
|
|
|
|
if kind == "message":
|
|
|
|
|
message = entry.get("message")
|
|
|
|
|
if not isinstance(message, dict):
|
|
|
|
|
raise engine.HandoffError("Invalid Pi/OpenClaw message.")
|
|
|
|
|
if message.get("role") == "bashExecution":
|
|
|
|
|
if message.get("excludeFromContext"):
|
|
|
|
|
continue
|
|
|
|
|
if message.get("truncated"):
|
|
|
|
|
raise engine.HandoffError("Pi/OpenClaw shell output is truncated; provide a complete bundle.")
|
|
|
|
|
text = f"Ran `{message.get('command', '')}`\n"
|
|
|
|
|
text += f"```\n{message['output']}\n```" if message.get("output") else "(no output)"
|
|
|
|
|
if message.get("cancelled"):
|
|
|
|
|
text += "\n\n(command cancelled)"
|
|
|
|
|
elif message.get("exitCode") not in {None, 0}:
|
|
|
|
|
text += f"\n\nCommand exited with code {message['exitCode']}"
|
|
|
|
|
message = _message("user", text)
|
|
|
|
|
messages.append(message)
|
|
|
|
|
elif kind == "branch_summary":
|
|
|
|
|
messages.append(
|
|
|
|
|
_message(
|
|
|
|
|
"user",
|
|
|
|
|
f"The following is a summary of a branch that this conversation came back from:\n\n<summary>\n{entry['summary']}</summary>",
|
|
|
|
|
)
|
|
|
|
|
)
|
|
|
|
|
elif kind == "custom_message":
|
|
|
|
|
messages.append({"role": "user", "content": entry.get("content")})
|
|
|
|
|
elif kind == "session_info":
|
|
|
|
|
title = entry.get("name")
|
|
|
|
|
elif kind not in {"model_change", "thinking_level_change", "custom", "label"}:
|
|
|
|
|
raise engine.HandoffError(f"Unsupported Pi/OpenClaw entry: {kind!r}.")
|
|
|
|
|
return _messages_items(messages, warnings), {
|
|
|
|
|
"session_id": header.get("id"),
|
|
|
|
|
"cwd": header.get("cwd"),
|
|
|
|
|
"title": title,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def read_source(host: str, path: Path, *, cwd: Path | None = None, title: str | None = None) -> engine.HandoffPlan:
|
|
|
|
|
path = path.expanduser().resolve()
|
|
|
|
|
records, digest = engine._stable_jsonl(path)
|
|
|
|
|
warnings: list[str] = []
|
|
|
|
|
readers = {
|
|
|
|
|
"cursor": _cursor,
|
|
|
|
|
"codex": _codex,
|
|
|
|
|
"kimi": _kimi,
|
|
|
|
|
"antigravity": _antigravity,
|
|
|
|
|
"openclaw": _pi,
|
|
|
|
|
"pi-agent": _pi,
|
|
|
|
|
}
|
|
|
|
|
try:
|
|
|
|
|
items, metadata = readers[host](records, warnings)
|
|
|
|
|
except (TypeError, AttributeError, KeyError, ValueError) as exc:
|
|
|
|
|
raise engine.HandoffError(f"Invalid {host} native transcript structure: {exc}") from exc
|
|
|
|
|
if host == "kimi" and path.name == "wire.jsonl" and path.parent.name == "main":
|
|
|
|
|
metadata.setdefault("session_id", path.parents[2].name)
|
|
|
|
|
state = path.parents[2] / "state.json"
|
|
|
|
|
if state.is_file():
|
|
|
|
|
try:
|
|
|
|
|
metadata.setdefault("title", json.loads(state.read_text()).get("title"))
|
|
|
|
|
except (json.JSONDecodeError, AttributeError):
|
|
|
|
|
pass
|
|
|
|
|
if host == "antigravity" and path.name == "transcript.jsonl" and path.parent.name == "logs":
|
|
|
|
|
metadata.setdefault("session_id", path.parents[2].name)
|
|
|
|
|
source_cwd = str(cwd.expanduser().resolve()) if cwd else metadata.get("cwd")
|
|
|
|
|
if not source_cwd:
|
|
|
|
|
raise engine.HandoffError(f"{host} transcript has no working directory; provide --cwd.")
|
|
|
|
|
source = {
|
|
|
|
|
"host": host,
|
|
|
|
|
"path": str(path),
|
|
|
|
|
"sha256": digest,
|
|
|
|
|
"session_id": metadata.get("session_id") or path.stem,
|
|
|
|
|
"cwd": source_cwd,
|
|
|
|
|
"title": title or metadata.get("title") or f"{host} session {path.stem[:12]}",
|
|
|
|
|
}
|
|
|
|
|
return engine.plan_from_bundle(
|
|
|
|
|
{"format": engine.FORMAT_VERSION, "source": source, "items": items, "warnings": list(dict.fromkeys(warnings))}
|
|
|
|
|
)
|
kartik-mem0