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fix(aggregator): sanitize feed charges at loadFeed — isChargeRow drop-and-count (#2445) - #3437

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Nov 1, 2026
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@dezren39 dezren39 commented Nov 1, 2026 •

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Fixes #2445. Queue task 5329 (follow-on of triage task 3660, CONFIRMED at main a17ae13).

Implements the pinned layer — sanitize at loadFeed in pm-stack/aggregator/src/feed.ts, following the landed #2429 pattern (PR #3070), not whole-feed rejection and not a live.ts-only filter (loadFeed is the single shared gate for live.ts and server.ts consumers):

  • isChargeRow(v) exported from feed.ts, built on the shared validate.ts primitives (isRecord, isFiniteNumber): a record with string at/label/method/source and a finite-number amountUsd (the ChargeRow shape, model.ts:1238-1247).
  • loadFeed sanitizes the charges section the way sanitizeQuotaView sanitizes quota: absent stays absent; a non-array section becomes [] counted as one dropped section; an array keeps only isChargeRow entries via arrayOf, malformed rows dropping individually.
  • The loss is surfaced, never swallowed: chargesDropped is attached to the returned feed when drops occur (mirroring quotaDropped).

Tests (test/feed.test.ts, following the sanitizeQuotaView pattern): isChargeRow accept/reject; [null] drops with count; [valid, null] keeps the valid row; missing/string amountUsd drop individually; non-array string and object each yield [] with the drop surfaced; absent section stays absent; well-formed feed unchanged through isFleetFeed + loadFeed (collector self-acceptance).

Laptop: bun test test/feed.test.ts 24/24 pass; test/charges-feed-gate.test.ts + test/quota.test.ts 27/27 pass. Note: bunx tsc --noEmit has pre-existing failures on clean main (e.g. test/charges-collect.test.ts ChargeRow literals) — unrelated to this change.


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dezren39 force-pushed the queue/5329-2445-charges-sanitize branch from ac2f33e to 4d7f643 Compare November 1, 2026 09:07
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dezren39 commented Nov 1, 2026

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Rebased onto current main (now including #2446 subscriptions sanitization and the sibling #2439 chargesAttention fix, PR #3435) — conflicts resolved as unions in feed.ts/loadFeed and the test imports; the Codex P2 fix (chargesDropped in usage provenance) is included in the squashed commit 4d7f643. Laptop re-verified after rebase: bun test feed + charges-feed-gate + quota suites 63/63 pass.

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dezren39 merged commit a11cfea into main Nov 1, 2026
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dezren39 deleted the queue/5329-2445-charges-sanitize branch November 1, 2026 09:10
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dezren39 requested a review from a team as a code owner November 1, 2026 09:57
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Comment thread pm-stack/aggregator/src/feed.ts Resolved
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aggregator(feed): isFleetFeed never checks charges — one malformed row crashes /quota, a non-array object silently empties the charges strip

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