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feat(fs): append recovery remedy to guarded-mutation errors

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write/edit failures with FS_STALE_VERSION or FS_NOT_OBSERVED now reach the
model with the correct recovery instruction appended (re-read / read, then
retry) while preserving the structured code and chaining the cause. The
edit-intent waterfall sits inside the same try, so the policy's
FS_NOT_OBSERVED refusal is remediated too. Re-recorded the fs-policy-reject
keyless snapshot and the bilingual README pairs.
This commit is contained in:
_Kerman
2026-08-03 19:49:30 +08:00
parent 012bc40f04
commit 1ee167aeac
13 changed files with 174 additions and 16 deletions
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2
examples/acp-agent/tests/snapshots/fs-policy-reject/session.jsonl
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@@ -16,7 +16,7 @@
{"type":"assistant/chunk","seq":78,"time":1785487602271,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"tool-calls"}}}}
{"type":"assistant/message","seq":79,"time":1785487602271,"data":{"turn":1,"step":1,"message":{"role":"assistant","content":[{"type":"reasoning","text":"The user wants me to use the edit tool to replace \"blue\" with \"green\" in settings.txt without reading the file first, and then reply with just \"DONE\"."},{"type":"tool-call","id":"call_00_x0zlnXl5JOxLrAYL9y7P0119","name":"edit","arguments":"{\"file_path\": \"settings.txt\", \"old_string\": \"blue\", \"new_string\": \"green\"}"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"8bd34189-fb62-4106-9c25-b6022d48e059"},"usage":{"inputTokens":3132,"outputTokens":115,"cacheReadTokens":0,"reasoningTokens":36}},"sourceEventSeqs":[7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78],"surfaceOp":"append"}
{"type":"tool/call","seq":80,"time":1785487602272,"data":{"turn":1,"step":1,"callId":"call_00_x0zlnXl5JOxLrAYL9y7P0119","name":"edit","arguments":"{\"file_path\": \"settings.txt\", \"old_string\": \"blue\", \"new_string\": \"green\"}"}}
{"type":"tool/result","seq":81,"time":1785487602280,"data":{"turn":1,"step":1,"message":{"source":{"kind":"tool","callId":"call_00_x0zlnXl5JOxLrAYL9y7P0119"},"content":[{"type":"tool-result","toolCallId":"call_00_x0zlnXl5JOxLrAYL9y7P0119","content":[{"type":"text","text":"Error: edit requires reading \"{{cwd}}/settings.txt\" first"}],"isError":true}],"role":"user","id":"c4018c31-b6fd-4f14-af3c-e609863bf501"},"error":{"name":"FsError","code":"FS_NOT_OBSERVED"}},"sourceEventSeqs":[80],"surfaceOp":"append"}
{"type":"tool/result","seq":81,"time":1785487602280,"data":{"turn":1,"step":1,"message":{"source":{"kind":"tool","callId":"call_00_x0zlnXl5JOxLrAYL9y7P0119"},"content":[{"type":"tool-result","toolCallId":"call_00_x0zlnXl5JOxLrAYL9y7P0119","content":[{"type":"text","text":"Error: edit requires reading \"{{cwd}}/settings.txt\" first — read the file, then retry"}],"isError":true}],"role":"user","id":"c4018c31-b6fd-4f14-af3c-e609863bf501"},"error":{"name":"FsError","code":"FS_NOT_OBSERVED"}},"sourceEventSeqs":[80],"surfaceOp":"append"}
{"type":"step/end","seq":82,"time":1785487602280,"data":{"turn":1,"step":1}}
{"type":"step/start","seq":83,"time":1785487602287,"data":{"turn":1,"step":2}}
{"type":"assistant/chunk","seq":84,"time":1783611704931,"data":{"turn":1,"step":2,"chunk":{"type":"block-start","index":0,"blockType":"reasoning"}}}