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Deleting the visible chat does not necessarily delete persisted session transcripts, attachments, cached tool outputs or saved subagent artifacts. This is not a substitute for “Resume the saved named session instead of starting an unrelated conversation”; that control is necessary in the stated circumstances. Use the recorded session identifier to retrieve the prior code-audit state and verify that its repository revision still applies.

Forking from a common checkpoint is appropriate for comparing alternative prompt strategies, but the investigator wants to continue one existing named code audit. Use its persisted session identity and context rather than creating separate divergent branches with new histories.

A named session is not unlimited memory. The scenario instead requires a way to resume the intended persisted session. Checkpoints support reliable resumption, but they do not select the specific earlier named audit session by themselves. The explicit session identifier determines which preserved audit history should be loaded.

Separating folders while keeping a single evolving conversation does not give the engineers two independent starting histories. The second experiment could inherit the first experiment’s changed decisions and recommendations. Fork the checkpointed session into separate session identifiers so each investigation starts from the same accepted context.

Human-readable names are helpful, but stable unique keys prevent resuming the wrong investigation. The decisive requirement here is to preserve a shared starting point while isolating divergent work.

Branch lineage shows where conclusions diverged and what evidence was considered. This capability does not directly preserve a shared starting point while isolating divergent work.

A resumed reasoning context does not freeze the outside world. Although useful elsewhere, it is not the direct mechanism to retain durable state and verified task results.

A saved plan is only valid against the version it examined. It would leave the stated need to retain durable state and verified task results unresolved.

A resumed workflow must verify the authorization applies to the version actually being released. This alternative does not establish how to retain durable state and verified task results in the stated workflow.

A resumed reasoning context does not freeze the outside world. That addresses a different part of the system, not the requirement to avoid duplicate side effects after interrupted sessions.

A resumed workflow must verify the authorization applies to the version actually being released. The scenario instead requires a way to avoid duplicate side effects after interrupted sessions.

An assistant’s text is not a durable provider receipt and may describe a rollout that timed out after committing. Repeating the deployment based on that assertion can create unintended additional work. The host needs a stable operation identifier and the real external status before it dispatches another side-effecting request.

Without branch ancestry and source revision metadata, the coordinator cannot reconstruct which fork produced which conclusion. Branch-qualified provenance is needed to reconcile diverging research sessions.

Branch-local workspaces and merge checks protect against concurrent file writes; neither research fork in this scenario is editing a shared file. To compare policy recommendations, preserve the common parent, each branch identifier and the evidence version behind each independent conclusion.

Unique identifiers tied to customer authorization prevent cross-case confusion, but. The required action is “Parent session identifier, branch identifier and evidence version for each result”; the other measure addresses a separate concern. Source revisions make it possible to know whether two recommendations actually used the same underlying policy version.

Shared sessions can leak one customer's details into another's answers. The scenario instead requires a way to validate live state before executing a resumed plan.

A saved plan is only valid against the version it examined. This alternative does not establish how to validate live state before executing a resumed plan in the stated workflow.

Blindly repeating an uncertain external operation can duplicate side effects. Although useful elsewhere, it is not the direct mechanism to validate live state before executing a resumed plan.

Forked conversations do not automatically isolate external files. This capability does not directly isolate user-specific session histories. Separate branch workspaces protect concurrent edits, but the exposure is sharing one customer session between unrelated cases. Isolate the customer-specific session and its private evidence.

Deleting the visible chat does not necessarily delete persisted session transcripts, attachments, cached tool outputs or saved subagent artifacts. Here, a support application reuses the same agent session for unrelated customers to save cost. Give each authorized case its own isolated session and controlled context scope. A saved session can retain earlier conversation context, retrieved references and tool results, so reusing one session across unrelated customers risks transferring private case information into a later answer.

A resumed reasoning context does not freeze the outside world. That addresses a different part of the system, not the requirement to isolate user-specific session histories.

Resuming an existing named session restores a particular prior agent state, but by itself does not ensure that verified evidence survives context compaction over several days. Persist concise checkpoints of findings, open questions and source references before the active context is exhausted.

Session persistence creates retained state that must follow privacy and retention policy. The decisive requirement here is to preserve critical state outside an exhausted context window.

Blindly repeating an uncertain external operation can duplicate side effects. This alternative does not establish how to preserve critical state outside an exhausted context window in the stated workflow.

Blindly repeating an uncertain external operation can duplicate side effects. The direct remedy is “Fork from a common checkpoint and modify prompts in separate branches”, which the alternative does not itself accomplish. Begin both branches from an identical recorded starting point; change only the intended prompt strategy and measure outcomes against the same evaluation cases.

Checking for repository changes is necessary when resuming stale coding work, but the designer is deliberately comparing two policies from identical starting assumptions. Fork the same checkpoint into isolated branches first, so the prompt differences—not unrelated state drift—explain subsequent behavior.

A session identifier locates the intended execution history. Although useful elsewhere, it is not the direct mechanism to run controlled divergent experiments from common evidence.

Display labels are not durable unique identities, and reusing one session ID can mix customer state and authorization context. Each investigation requires a stable identifier bound to its actual task.

Forked conversations do not automatically isolate external files. This capability does not directly avoid cross-task confusion in persisted sessions. Merge conflict checks protect files changed by parallel branches, not confusion between two investigations bearing the same human-readable label. Stable customer-bound task IDs solve identity ambiguity.

Branch lineage shows where conclusions diverged and what evidence was considered. That addresses a different part of the system, not the requirement to avoid cross-task confusion in persisted sessions.

Separate customer sessions help prevent cross-tenant context leakage, but isolation does not erase an already stored case when its owner requests deletion. Apply the organization's deletion and retention rules to saved session transcripts, checkpoints and linked artifacts, verifying authorized removal paths.

Persisting evidence summaries supports future task resumption, but it conflicts with a valid deletion request if old case context remains in checkpoint files. Apply retention and deletion controls to all saved session and attached artifact stores instead of retaining another copy for convenience.

Blindly repeating an uncertain external operation can duplicate side effects. Although useful elsewhere, it is not the direct mechanism to govern session retention and attached evidence.