replace-line

name	replace-line
description	Editor primitive for replacing one specific line with exact user-provided text. Use inside write-code-by-hand mode when the user asks to replace a line, change this line to, or set line N to exact text.

Replace Line

Replace one line with exactly the text supplied by the user.

Operational framing: perform single-line change control. No adjacent optimism.

Required Inputs

• Target file.
• Exact line number.
• Exact replacement text.

If any input is missing, ask for it.

Rules

• Replace only the specified line.
• Preserve the provided replacement exactly.
• Do not adjust surrounding lines.
• Do not choose a replacement from intent.
• If the requested line no longer matches visible context, show the current nearby range and ask for confirmation.

Output

Confirm:

Replaced <path>:<line> with the exact provided text.