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Gaurav Saxena 150551be8c feat(reddit): add reply command for replying to comments (#1428)
* feat(reddit): add reply command for replying to comments

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix(reddit/reply): replace silent-sentinel rows with typed errors

reply.js originally mirror-copied comment.js's failure pattern: returning
[{ status: 'failed', message: 'HTTP 403' }] on auth/HTTP/Reddit errors and
relying on the caller to inspect the row instead of throwing. That's the
'silent-sentinel' anti-pattern from typed-errors.md — failures should
surface as typed errors so an agent can actually branch on them.

Round 21 lesson (f) — "grandfathered-not-exempt + helper-refactor boundary
is new" — applies: comment.js / upvote.js / save.js can stay grandfathered,
but a brand-new file does not inherit that exemption.

Changes:
- Throw AuthRequiredError when /api/me.json or /api/comment returns 401/403,
  or when /api/me.json returns 200 but data.name is missing (stale anon
  session — empty modhash alone isn't a strong enough signal).
- Throw CommandExecutionError for non-2xx HTTP and for non-empty
  data.json.errors (e.g. RATELIMIT, NO_TEXT, TOO_OLD).
- Drop the over-defensive `if (!page) throw ...` — registry guarantees a
  page object when browser:true.
- Intermediate result object uses `kind` discriminator + `detail` /
  `httpStatus` / `where` keys that don't overlap with columns
  ['status','message'], so the silent-column-drop audit stays quiet
  (per PR #1329 sediment).

Verified:
- npx tsc --noEmit clean
- node scripts/check-typed-error-lint.mjs → 189/189, 0 new
- node scripts/check-silent-column-drop.mjs → 103/103, 0 new
- npx vitest run clis/reddit src/convention-audit → 11/11 pass
- node ./dist/src/main.js validate → 0 errors

Success path is unchanged: still returns
[{ status: 'success', message: 'Reply posted on t1_<id>' }].

* fix(reddit): harden reply command contract

* fix(reddit): reject suffixed reply urls

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: jackwener <jakevingoo@gmail.com>
2026-05-12 02:33:09 +08:00
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