openclaw - 💡(How to fix) Fix [Bug] EmbeddedAttemptSessionTakeoverError causes truncated replies + kimi-k2.6 schema incompatibility after upgrade

[2026-05-18T12:57:26.922Z] ERROR diagnostic: lane task error: lane=main durationMs=24271 error="EmbeddedAttemptSessionTakeoverError: session file changed while embedded prompt lock was released: <redacted>/agents/main/sessions/9b5ccdf9-f6d6-4455-a01a-255947761778.jsonl"

[2026-05-18T12:57:26.924Z] ERROR diagnostic: lane task error: lane=session:agent:main:telegram:direct:<redacted> durationMs=24274 error="EmbeddedAttemptSessionTakeoverError: session file changed while embedded prompt lock was released: <redacted>/agents/main/sessions/9b5ccdf9-f6d6-4455-a01a-255947761778.jsonl"

[2026-05-18T12:57:26.933Z] ERROR console: Embedded agent failed before reply: session file changed while embedded prompt lock was released: <redacted>/agents/main/sessions/9b5ccdf9-f6d6-4455-a01a-255947761778.jsonl

---

[2026-05-18T07:37:56.508Z] ERROR diagnostic: lane task error: lane=session:agent:main:main durationMs=39527 error="FailoverError: LLM request failed: provider rejected the request schema or tool payload."

[2026-05-18T07:37:56.513Z] WARN model-fallback/decision:
  {
    "reason": "format",
    "status": 400,
    "errorPreview": "400 Error from provider: Extra inputs are not permitted, field: 'messages[2].reasoning_details', value: 'The user greeted me with...'",
    "fallbackStepFinalOutcome": "chain_exhausted"
  }

[2026-05-18T07:38:44.014Z] WARN agent/embedded:
  {
    "isError": true,
    "error": "LLM request failed: provider rejected the request schema or tool payload.",
    "failoverReason": "format",
    "providerRuntimeFailureKind": "schema"
  }

---

[2026-05-18T07:57:44.289Z] WARN security: blocked URL fetch (url-fetch) targetOrigin=https://httpbin.org reason=Blocked: resolves to private/internal/special-use IP address
[2026-05-18T07:57:44.315Z] WARN security: blocked URL fetch (url-fetch) targetOrigin=https://api.firecrawl.dev reason=Blocked: resolves to private/internal/special-use IP address
[2026-05-18T07:57:51.103Z] WARN security: blocked URL fetch (url-fetch) targetOrigin=https://www.google.com reason=Blocked: resolves to private/internal/special-use IP address
[2026-05-18T07:57:51.113Z] WARN security: blocked URL fetch (url-fetch) targetOrigin=https://www.baidu.com reason=Blocked: resolves to private/internal/special-use IP address

---

{
  "agents": {
    "defaults": {
      "model": {
        "primary": "opencode-go/deepseek-v4-pro"
      },
      "models": {
        "opencode-go/kimi-k2.6": {},
        "opencode-go/deepseek-v4-pro": {},
        "opencode-go/deepseek-v4-flash": {}
      }
    }
  },
  "gateway": {
    "mode": "local",
    "bind": "loopback"
  },
  "tools": {
    "web": {
      "search": {
        "provider": "firecrawl",
        "enabled": true
      }
    }
  }
}