changelog: fragment for the /autoplan field-report wave (GST-672)

Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>

changelog.d/gsta232-autoplan-wave.md

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+**/autoplan fixes from a field report (GBRA-223): findings without a line number pair across voices, open Critical and High findings reach the gate, a spend cap binds on any unattended host, `run` works with the API runner, and an earlier item-by-item answer carries forward.** OpenClaw's /autoplan run on a real plan hit six problems at once. We reproduced each on main with a failing test first (GST-672). A follow-up from GEVA-2 adds a record of whose words answered a gate.
+
+### Fixed
+- **Plan reviews that name a file but no line now pair across voices.** A same-file pair, with a line missing on either side, is associated as `unverified` instead of both findings counting as new. Title matching ignores a leading DX cap code (`CAP4:<path>:`) and never pairs findings on two different files. The same-file fallback runs only after every title and line match is placed, and a same-file pair never merges two findings into one gate item.
+- **DX cap findings carry real titles.** `CAP4` and `CAP6` findings are titled `CAP<n>:<path>:<item> <what fails>`, so the gate shows the problem and not only the item name.
+- **Every open Critical or High finding becomes a gate item.** `a` applies the reviewer's fix to the plan and is recommended. `b` carries it into the build as a blocking task. `rec` and `p1b` apply the fix. An unanswered item keeps the plan as written unless the reply is `p1b`, and a partial reply never locks that choice early. A finding carried with `b` stays open, so a rerun that raises it again asks again.
+- **A spend cap binds on any unattended host.** With `--spend-cap` set and no `--estimate-usd`, each host-subagent attempt reserves the default $5 per voice, on Capy or off it. `next --estimate-usd <n>` sets the reservation for the rest of the run. `run` reserves each API call's priced worst case (prompt size plus the output limit) and settles it at its real token cost, so `--spend-cap 0` refuses before any call.
+- **`gstack-autoplan run` with `--native-runner api --runner api` reaches the gate.** Results are checked as autoplan results, so they bind. A response cut off at the output limit is named `truncated` and interrupts the run instead of binding a partial review. The Anthropic default output limit is 16384 tokens, `--max-tokens <n>` sets it, and an outside result refused at submit leaves the run native-only instead of aborting it.
+- **An earlier item-by-item answer carries forward when nothing changed.** When every item on the new gate is carried by origin, the owner's `p1` choice is replayed and their tokens are recorded verbatim as the basis. Any new or changed item still goes to the owner.
+
+### Added
+- **`gstack-autoplan answer --words-by agent:<id>`** records that the words came from the answering agent itself, as `answer_words` and `words_by`, never as `owner_reply`. The default stays `owner`. A later gate never carries those words forward, and `gstack-approvals import` lists that row under the agent, while `--by` names only the rows that hold the owner's words.
+
+### Tests
+- New failing-first tests in test/autoplan-pairing.test.ts, test/autoplan-gate-judgment.test.ts, test/autoplan-budget.test.ts, test/autoplan-run-api.test.ts (a local fake provider, no key or network), test/autoplan-carry.test.ts and test/approval-record.test.ts.