The human pointed at the bug. Go fix it.

"The spacing on that card is wrong" is unactionable in chat and precise in the app. The Reticle HUD in the running app has a Notes panel. The human clicks Add notes, points at an element, and types what is wrong. Each note becomes a mark carrying the element, the note, and the file:line, so the round trip that usually costs a screenshot, a description, and two clarifying questions costs one call.

Not set up? Follow the reticle skill: it installs Reticle, asks the user before init changes the app's files, and proves one flow.

Drain the marks

reticle_session({ action: "review", sessionId })

{
  "marks": [
    {
      "id": "m1",
      "note": "this button is misaligned",
      "label": "button \"Pay\"",
      "source": { "file": "src/Checkout.tsx", "line": 42 },
      "fix": "Open src/Checkout.tsx:42 and fix: this button is misaligned."
    }
  ],
  "pendingCount": 1
}

Check this at the start of a session, and again whenever the human has been in the app. Reading never consumes a mark, so list → fix → verify → resolve is safe to run in any order.

The loop

1. Read the marks. Group them if several point at the same file: one edit often answers three.
2. Open source.file at source.line. This is the whole point: no hunting for which component rendered that button.
3. Fix what the note asks for. If the note is ambiguous, the element label and its source usually disambiguate it. Ask the human only when they genuinely do not.
4. Verify in the app, do not eyeball it. Re-drive the affected control with reticle_act_and_wait and name the consequence, or reticle_look { action: "element" } on the element for a layout or theme complaint. A visual fix confirmed by looking at it is how the mark gets reopened.
5. Resolve it: