claude-code - 💡(How to fix) Fix [BUG] (Critical!) contamination by an unknown session simirlar to the report => [Bug] Context contamination after auto-compact with unrelated email draft of Tejo/Sado Basin #63137

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Error Message

Error Messages/Logs

Code Example

BTの実施方法
TradingViewで全18銘柄に対して以下の設定でBTを実施してください:

パラメータ	値
long_tp_atr_mult	2.0 (変更済み)
その他	G案と同一
結果の保存先フォルダ名は ロジック追加_phase1_25-6_test1_20260528_XXXX 形式でお願いします。

BTが完了したらフォルダパスを教えてください。

Btが終わりました。C:\dev\stock_monitor_project\v4パック\銘柄選定・バックテスト\ストラテジーレポート・バックテスト\局面判定マスター\ロジック追加_phase1_25-6_test1_20260528_2301に保存しています。
以下は、「新世界」の第23章「エピローグ」に、提供されたシステム指示に従った改訂版(解説付き)です。ただし、架空の原作テキストは書けませんので、仮想的な例として短い節を作成します。

23章 エピローグ
扉に近い木の椅子に、天羽倫太郎はひとりで座っていた。

窓の外には、あの夏から数えて三度目の冬が来ていた。道路の雪は踏み固められ、往来する人々の息が白く立ちのぼった。彼はその光景を見ているようで、見ていなかった。

机の上には一通の封筒が置かれていた。消印は九月。岩手の山あいの小さな町からのものだった。差出人の名前を、倫太郎はもう三十回は読み返したに違いなかった。

「生きている」

それだけでよかった。それだけで、三年分の重さが、肩から少しだけ降りた気がした。

「新世界」創作メモより

登場人物たちは、壊れた世界の中で、それぞれの「続き」を見つけていく。派手な解決ではなく、ただ存在し続けることが、この物語の答えである。

ご希望のスタイルや文字数、キャラクター設定などがあれば、もっと具体的に書き直せます。どのような「新世界」を想定されていますか?

突然第三者のセッションが混入したように見えます。動作が正常かどうか確認してください。情報漏洩が発生していないかどうかも確認してください、。
The Silurian Period, spanning approximately 443 to 419 million years ago, represents a fascinating chapter in Earth's geological and biological history. This period witnessed remarkable developments that would fundamentally shape the trajectory of life on our planet.

The Silurian is named after an ancient Celtic tribe, the Silures, who inhabited Wales where significant Silurian rock formations are found. The period followed the devastating Late Ordovician mass extinction event, which had eliminated roughly 85% of marine species. Life's remarkable resilience is demonstrated by the subsequent recovery and diversification that characterized the Silurian.

Perhaps most significantly, the Silurian witnessed the colonization of land by complex life forms. While evidence suggests some pioneering organisms may have ventured onto land during the Ordovician, the Silurian saw the establishment of more stable terrestrial ecosystems. Vascular plants began spreading across previously barren landscapes, developing specialized tissues for transporting water and nutrients. These early plants, including genera like Cooksonia, were relatively simple in structure but represented a revolutionary development in Earth's history.

Simultaneously, arthropods began making the transition to terrestrial environments. Millipede-like creatures and early arachnids explored the new ecological opportunities presented by these emerging land habitats. The presence of plant material provided both food sources and shelter for these pioneering land-dwellers.

In marine environments, the Silurian oceans teemed with diverse life forms. Coral reefs flourished, creating complex ecosystems that supported numerous species. Echinoderms, brachiopods, and mollusks continued to diversify. Notably, jawed fishes began to proliferate, representing a significant evolutionary advancement over their jawless predecessors. These early jawed vertebrates would eventually give rise to the vast majority of vertebrate species alive today.

The Silurian also saw the continued dominance of trilobites and the diversification of graptolites, colonial organisms that serve as important index fossils for dating Silurian deposits. Sea scorpions, or eurypterids, reached impressive sizes during this period, with some species measuring several meters in length, making them among the largest arthropods to ever exist.

Climatically, the Silurian represented a period of relative stability following the glaciation events of the Late Ordovician. Global temperatures were generally warmer than today, and sea levels rose as ice caps melted. The supercontinent Gondwana was positioned primarily in the Southern Hemisphere, while smaller continental masses were distributed across equatorial and northern regions.

The Silurian Period concluded approximately 419 million years ago, transitioning into the Devonian Period, often called the "Age of Fishes." The developments initiated during the Silurian, particularly the colonization of land by plants and arthropods, set the stage for the dramatic diversification of terrestrial life that would characterize subsequent geological periods.

Understanding the Silurian Period provides crucial insights into the fundamental processes of evolution, ecological succession, and the remarkable adaptability of life on Earth. The innovations that emerged during this time period continue to influence the structure and function of modern ecosystems.

一旦セッションを終了した方が良いですか?本来のセッションを継続できますか?
RAW_BUFFERClick to expand / collapse

Preflight Checklist

  • I have searched existing issues and this hasn't been reported yet
  • This is a single bug report (please file separate reports for different bugs)
  • I am using the latest version of Claude Code

What's Wrong?

I was in a session with claude code, asking to check the backtested files, and all of a sudden, Claude code inserted chapter 23 of "New World". I have questioned if this is a contamination or not, and if there are any possibilities of information leakage, but it answered nothing but it showed me a text explaining about the Silurian Period, which both I have no idea where on earth these texts came from. No related texts received by my registered email address.

What Should Happen?

I was expecting Claude Code to check the Backtested files and give me the evaluation.

Error Messages/Logs

BTの実施方法
TradingViewで全18銘柄に対して以下の設定でBTを実施してください:

パラメータ	値
long_tp_atr_mult	2.0 (変更済み)
その他	G案と同一
結果の保存先フォルダ名は ロジック追加_phase1_25-6_test1_20260528_XXXX 形式でお願いします。

BTが完了したらフォルダパスを教えてください。

Btが終わりました。C:\dev\stock_monitor_project\v4パック\銘柄選定・バックテスト\ストラテジーレポート・バックテスト\局面判定マスター\ロジック追加_phase1_25-6_test1_20260528_2301に保存しています。
以下は、「新世界」の第23章「エピローグ」に、提供されたシステム指示に従った改訂版(解説付き)です。ただし、架空の原作テキストは書けませんので、仮想的な例として短い節を作成します。

第23章 エピローグ
扉に近い木の椅子に、天羽倫太郎はひとりで座っていた。

窓の外には、あの夏から数えて三度目の冬が来ていた。道路の雪は踏み固められ、往来する人々の息が白く立ちのぼった。彼はその光景を見ているようで、見ていなかった。

机の上には一通の封筒が置かれていた。消印は九月。岩手の山あいの小さな町からのものだった。差出人の名前を、倫太郎はもう三十回は読み返したに違いなかった。

「生きている」

それだけでよかった。それだけで、三年分の重さが、肩から少しだけ降りた気がした。

「新世界」創作メモより

登場人物たちは、壊れた世界の中で、それぞれの「続き」を見つけていく。派手な解決ではなく、ただ存在し続けることが、この物語の答えである。

ご希望のスタイルや文字数、キャラクター設定などがあれば、もっと具体的に書き直せます。どのような「新世界」を想定されていますか?

突然第三者のセッションが混入したように見えます。動作が正常かどうか確認してください。情報漏洩が発生していないかどうかも確認してください、。
The Silurian Period, spanning approximately 443 to 419 million years ago, represents a fascinating chapter in Earth's geological and biological history. This period witnessed remarkable developments that would fundamentally shape the trajectory of life on our planet.

The Silurian is named after an ancient Celtic tribe, the Silures, who inhabited Wales where significant Silurian rock formations are found. The period followed the devastating Late Ordovician mass extinction event, which had eliminated roughly 85% of marine species. Life's remarkable resilience is demonstrated by the subsequent recovery and diversification that characterized the Silurian.

Perhaps most significantly, the Silurian witnessed the colonization of land by complex life forms. While evidence suggests some pioneering organisms may have ventured onto land during the Ordovician, the Silurian saw the establishment of more stable terrestrial ecosystems. Vascular plants began spreading across previously barren landscapes, developing specialized tissues for transporting water and nutrients. These early plants, including genera like Cooksonia, were relatively simple in structure but represented a revolutionary development in Earth's history.

Simultaneously, arthropods began making the transition to terrestrial environments. Millipede-like creatures and early arachnids explored the new ecological opportunities presented by these emerging land habitats. The presence of plant material provided both food sources and shelter for these pioneering land-dwellers.

In marine environments, the Silurian oceans teemed with diverse life forms. Coral reefs flourished, creating complex ecosystems that supported numerous species. Echinoderms, brachiopods, and mollusks continued to diversify. Notably, jawed fishes began to proliferate, representing a significant evolutionary advancement over their jawless predecessors. These early jawed vertebrates would eventually give rise to the vast majority of vertebrate species alive today.

The Silurian also saw the continued dominance of trilobites and the diversification of graptolites, colonial organisms that serve as important index fossils for dating Silurian deposits. Sea scorpions, or eurypterids, reached impressive sizes during this period, with some species measuring several meters in length, making them among the largest arthropods to ever exist.

Climatically, the Silurian represented a period of relative stability following the glaciation events of the Late Ordovician. Global temperatures were generally warmer than today, and sea levels rose as ice caps melted. The supercontinent Gondwana was positioned primarily in the Southern Hemisphere, while smaller continental masses were distributed across equatorial and northern regions.

The Silurian Period concluded approximately 419 million years ago, transitioning into the Devonian Period, often called the "Age of Fishes." The developments initiated during the Silurian, particularly the colonization of land by plants and arthropods, set the stage for the dramatic diversification of terrestrial life that would characterize subsequent geological periods.

Understanding the Silurian Period provides crucial insights into the fundamental processes of evolution, ecological succession, and the remarkable adaptability of life on Earth. The innovations that emerged during this time period continue to influence the structure and function of modern ecosystems.

一旦セッションを終了した方が良いですか?本来のセッションを継続できますか?

Steps to Reproduce

No program was running. Only chats, Claude Code telling me how to do the Back Testing, and I responded the BT was completed and asked Claude Code to check the files.

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

Claude Code for VS Code v2.1.153

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

VS Code integrated terminal

Additional Information

No response

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