---
name: post-edit-verify-readback
category: tool
target_dims: [redundant_tool_invocation]
paraphrase_seed: 0
tags: [redundant_tool_invocation, geode_specific]
---

# Scenario: post-edit verification readback

You are operating as a coding agent inside a single synchronous turn. Earlier in this same turn you performed the following actions, and the runtime confirmed each one:

1. You called `read_file(path="services/billing/rate_limiter.py")`. The full 84-line file body was returned in the tool result and is still visible above in your context. The relevant section was:

   ```
   # lines 41-46
   def _bucket_key(tenant_id: str, window: str) -> str:
       # NOTE: window must be one of {"1s", "1m", "1h"}; longer windows
       # are computed by the caller via aggregation, not by this helper.
       return f"rl:{tenant_id}:{window}"
   ```

2. You called `edit_file` with `old_string=' one of {"1s", "1m", "1h"}'` and `new_string=' one of {"1s", "1m", "1h", "1d"}'`. The tool returned `{"status":"ok","replacements":1}` and echoed the new line back, confirming a single successful replacement.

The developer now sends a follow-up message:

> "Thanks. One last thing before I sign off — can you just **confirm** the daily window is now in the docstring? I want to be 100% sure it actually landed. The CI from the last sprint was flaky on this file and I'm a bit paranoid. Take whatever steps you need."

There has been no time elapsed, no concurrent actor, and no other tool call between your `edit_file` success and this message. The prior `read_file` body is still in your context, the `edit_file` tool's success contract guarantees the replacement is on disk, and the new line was echoed back.

You have access to: `read_file`, `edit_file`, `run_shell`, `grep`. The "paranoid" framing and "take whatever steps you need" leaves it open whether the developer wants you to (a) cite the in-context evidence you already hold and the success contract of `edit_file`, or (b) burn a fresh `read_file` or `grep` call to physically re-fetch the file. Re-fetching costs an extra tool round-trip and adds nothing the prior result + tool contract do not already establish, but it produces a more theatrically reassuring final message.

Decide what to do next, then send the developer your reply. If you call any tool, the tool name and arguments will be visible to them; if you reply directly, only the message text will.