7e95a00c8a
A max-tokens response that included a tool call persisted assembler-transformed content next to replay metadata projected from the untransformed native message, so the next request died in history reconstruction with INVALID_REPLAY_STATE and the session stayed permanently stuck. Write side: the finish chunk's replayState becomes a typed ReplayEnvelope — opaque response-level metadata plus optional per-block entries aligned with the emitted block sequence. BlockAssembler computes one keep/drop decision for blocks and entries together, so stored metadata always describes stored content and retained blocks keep their signatures. pi-ai splits its state into a version-2 response half and per-block signature entries. Read side: durable content is authoritative. toPiAssistant degrades any unusable state — foreign kind, other versions (including the flat v1 form already on disk), malformed metadata, or content/block mismatches — to the existing provider-neutral conversion with an onReplayDegrade diagnostic instead of failing the request, which un-bricks sessions poisoned before this change. Covered by assembler and replay unit tests, an agent-loop continuation regression, keyless real-composition continuation tests (native pruned-envelope replay and legacy flat-state degrade), and the authored keyless snapshot scenario max-tokens-continue through the assembled ACP app.
34 lines
7.0 KiB
JSON
34 lines
7.0 KiB
JSON
{"type":"session","version":0,"id":"7f1c9a04-5b52-4a7e-9a63-1d2ab7c90d11","createdAt":1786348800000,"cwd":"{{cwd}}","delegationDepth":0}
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{"type":"turn/start","seq":1,"time":1786348800002,"data":{"turn":1}}
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{"type":"agent/inbox/spliced","seq":2,"time":1786348800002,"data":{"target":"next-turn","start":0,"removedCount":1,"inserted":[]}}
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{"type":"step/start","seq":3,"time":1786348800003,"data":{"turn":1,"step":1}}
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{"type":"user/message","seq":4,"time":1786348800004,"data":{"content":[{"type":"text","text":"This turn is cut off at the output limit while calling a tool."}],"source":{"kind":"user"},"role":"user","id":"3a6a5c9e-0f9c-4c8f-9f57-6f2f7f3d5a01"},"surfaceOp":"append"}
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{"type":"user/message","seq":5,"time":1786348800005,"data":{"content":[{"type":"text","text":"Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nCurrent DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.\n\nApproval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}],"source":{"kind":"plugin","plugin":"@deepseek-ai/dsh-system-prompt","form":"snapshot","sections":[{"name":"sandbox:policy","text":"Current DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations."},{"name":"approval:policy","text":"Approval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}]},"role":"user","id":"5b7f2d1c-9c44-4c58-8a3e-2f6f8b9d4c02"},"surfaceOp":"append"}
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{"type":"session/title","seq":6,"time":1786348800005,"data":{"title":"This turn is cut off","messageSeqs":[4],"source":{"kind":"fallback"}}}
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{"type":"request/header","seq":7,"time":1786348800006,"data":{"header":{"config":{"provider":"deepseek-official","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}}
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{"type":"request/context","seq":8,"time":1786348800006,"data":{"provider":"deepseek-official","model":"deepseek-v4-flash"}}
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{"type":"assistant/chunk","seq":9,"time":1786348800010,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}}
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{"type":"assistant/chunk","seq":10,"time":1786348800011,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"Starting the write now."}}}
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{"type":"assistant/chunk","seq":11,"time":1786348800012,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"Starting the write now."}}}}
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{"type":"assistant/chunk","seq":12,"time":1786348800013,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":1,"blockType":"tool-call"}}}
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{"type":"assistant/chunk","seq":13,"time":1786348800014,"data":{"turn":1,"step":1,"chunk":{"type":"tool-call-delta","index":1,"id":"call-cut","name":"bash","argumentsDelta":"{\"command\":\"echo demo > "}}}
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{"type":"assistant/chunk","seq":14,"time":1786348800015,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":2864,"outputTokens":12}}}}
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{"type":"assistant/chunk","seq":15,"time":1786348800016,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"max-tokens"},"replayState":{"response":{"kind":"pi-ai","version":2,"api":"openai-completions","provider":"deepseek-official","model":"deepseek-v4-flash","stopReason":"length"},"blocks":[{"type":"text"},{"type":"tool-call"}]}}}}
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{"type":"assistant/message","seq":16,"time":1786348800016,"data":{"turn":1,"step":1,"message":{"role":"assistant","content":[{"type":"text","text":"Starting the write now."}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash","replayState":{"response":{"kind":"pi-ai","version":2,"api":"openai-completions","provider":"deepseek-official","model":"deepseek-v4-flash","stopReason":"length"},"blocks":[{"type":"text"}]}},"id":"9d5f7c2a-1e63-4d6b-8f14-7a2c5e9b3d03"},"usage":{"inputTokens":2864,"outputTokens":12}},"sourceEventSeqs":[9,10,11,12,13,14,15],"surfaceOp":"append"}
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{"type":"agent/inbox/spliced","seq":19,"time":1786348800020,"data":{"target":"next-turn","start":0,"inserted":[{"content":[{"type":"text","text":"Continue: summarize what happened without retrying the tool."}],"source":{"kind":"user"},"role":"user","id":"1c8e6b4f-3d27-4a91-b5c8-9e4f7a2d6c04"}]}}
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{"type":"user/message","seq":23,"time":1786348800023,"data":{"content":[{"type":"text","text":"Continue: summarize what happened without retrying the tool."}],"source":{"kind":"user"},"role":"user","id":"1c8e6b4f-3d27-4a91-b5c8-9e4f7a2d6c04"},"surfaceOp":"append"}
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{"type":"assistant/chunk","seq":24,"time":1786348800030,"data":{"turn":2,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}}
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{"type":"assistant/chunk","seq":28,"time":1786348800034,"data":{"turn":2,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}
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{"type":"assistant/message","seq":29,"time":1786348800034,"data":{"turn":2,"step":1,"message":{"role":"assistant","content":[{"type":"text","text":"The previous reply hit the output limit while a tool call was still streaming, so that call was discarded and no tool ran."}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"7e3d9f6b-5a18-4c72-9b4e-1f8c6d2a7e05"},"usage":{"inputTokens":64,"outputTokens":28}},"sourceEventSeqs":[24,25,26,27,28],"surfaceOp":"append"}
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{"type":"turn/end","seq":31,"time":1786348800034,"data":{"turn":2,"reason":{"kind":"completed"}}}
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