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lauren
e46364b8be
two new skills, a version bump, and README rows.
**`/recall`** rebuilds your recent working context on a topic from two records: your own chat history (mined in parallel by subagents) and the shared record the `why` skill searches (source control, issue tracker, chat, error tracking). hands back a tight current-state brief: a capsule, status-tagged threads, recurring problems, and the next move. explicit-invoke; composes `why` and `automate-me`.
**`/blast-radius`** maps what a change could break beyond the diff (consumers, dependency contracts, lifecycle and timing, serialized boundaries), then proves the one fact it's safe because of by running code instead of asserting it. includes a "how sure are you" trust ladder; any load-bearing safety claim that doesn't reach "ran it" is labeled unproven. explicit-invoke; composes `how`, `why`, `arena`, and `unslop`.
bumped to 0.9.2 and added both to the skills table.
<!-- CURSOR_SUMMARY -->
---
> [!NOTE]
> **Low Risk**
> Documentation and agent workflow definitions only; no application runtime or security-sensitive code paths change.
>
> **Overview**
> Ships **two new explicit-invoke skills** and bumps the plugin to **0.9.2**, with README table rows for when to use each.
>
> **`/recall`** adds a playbook for resuming work: scope a time window and topic, mine recent agent transcripts in parallel (with routing away from `session-pickup` / `automate-me`), optionally sweep the same shared evidence sources as **`why`** (rephrased toward current state and recurring failures), verify PRs/branches with `git`/`gh`, and return a fixed brief (capsule, status-tagged threads, problems, next move).
>
> **`/blast-radius`** adds a change-risk workflow beyond caller grep: identify the single load-bearing safety fact, hunt cross-boundary breakage (deps, lifecycle, wire formats), rate risks honestly, and **prove** safety via a trust ladder that requires runnable checks—unproven claims stay labeled; wide changes can use **`arena`**.
>
> Both skills set `disable-model-invocation: true` and compose existing skills (`why`, `how`, `unslop`, etc.); discovery is unchanged via `skills: "./skills/"`.
>
> <sup>Reviewed by [Cursor Bugbot](https://cursor.com/bugbot) for commit d7f9a4db02. Bugbot is set up for automated code reviews on this repo. Configure [here](https://www.cursor.com/dashboard/bugbot).</sup>
<!-- /CURSOR_SUMMARY -->
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name, description, disable-model-invocation
| name | description | disable-model-invocation |
|---|---|---|
| blast-radius | Find what a change could break somewhere else before it ships, beyond the diff, and prove the one fact it's safe because of by running real code instead of writing it up. Use for 'blast radius of X', 'what could this break', or reviewing a small diff you don't trust. | true |
Blast radius
Find what a change breaks somewhere else, before it ships. Use for "blast radius of X", "what could this break", or reviewing a small diff you don't trust yet.
Companion to how and why. how tells you what the code does. why tells you why it's shaped that way. Blast radius tells you what it breaks somewhere else.
Listing the callers is not the job. The agent can grep those in a second. The job is the breakage grep won't show you.
Don't trust your own writeup
A blast-radius writeup that sounds right is worthless. It reads as convincing whether or not it's true, and that is the trap you are walking into. So don't hand back the writeup. Find the one or two facts the whole thing depends on and prove them by running code. Words are where you start, not what you ship.
How sure are you
For each fact the change's safety depends on, get it as far down this list as is cheap, and say where it stopped.
- You said so. Worthless on its own.
- You pointed at the line. A real
file:line, or the library's own source. - You showed the bad case can't happen. You walked the failure step by step and it doesn't reach.
- You ran it. A script or test that calls the real code and fails loud if you're wrong.
- You reproduced it in the running app.
Any safety fact you can't get to step 4, say so out loud. Don't write it up as settled. Step 4 is usually one small script that imports the same library the app ships and calls the exact function you're worried about.
Steps
- Read the change. The diff, the symbols it adds, changes, and deletes, and what it now does differently, including the part the diff doesn't spell out. Use
whystep 2 to pull the PR and commits. - Find the one fact it's safe because of. Most changes that look scary are safe because of a single fact, like "this call only drops already-dead cache entries and does nothing else". Find that fact. If it holds, most of the scary cases die at once. Spend your time here, not on a long list of maybes.
- Look where grep stops. Read the source of the library you call, and check its pinned version and any local patch. Work out when things run: microtasks, unmount and teardown, Solid versus React. Follow what a symbol search misses: the JSON an API returns, a DB column, a wire format, another language reading the same bytes, a feature flag, code three hops downstream.
- Be honest about each risk. Give it a real chance of happening and a real cost if it does. Keep the risks you confirmed; list the ones you checked and cleared separately. Same rules as
why. Cite a realfile:line, a search that finds nothing is still an answer, and never make up a caller or an API. - Prove the one fact. Write a script or test that runs the real code, run it, and paste what happened. If you can't prove it cheaply, mark it unproven. Don't round up.
- For a big or wide change, run it as an
arena. Ask several models the same question and merge the answers. Different models catch different real bugs.
What to hand back
- What it does. What changed, including the part that isn't obvious.
- The one fact it's safe because of. State it, say which step you got it to, and show the proof. If you couldn't prove it, write unproven.
- Risks. Only the real ones. Each names how it breaks, the
file:line, how likely and how bad, and how to check. Paste the proof for the ones that matter. - Cleared. What you checked and why it's fine.
- Before you merge. The cheapest test or repro that catches the real bug, including the script you wrote.
Write it through unslop, cite real code, and strip anything private before it goes anywhere public.
Reply: the writeup above, with the one safety fact either proven or marked unproven.