* feat(video): redact transcript fields in the in-memory pending-request snapshot (#12430 item 6)
trackPendingRequest (open-sse/handlers/chatCore.ts) stored the raw client
body (with video transcript/audioTranscript cues) under `clientRequest`,
live-exposed via /api/usage/call-logs (pendingDetails), /api/logs/[id] and
/api/conversations while a request is in-flight. P2a redacted the persisted
detailed-log snapshot but not this in-memory copy.
Add redactPendingBody() to videoBridgeSnapshotRedaction.ts (sibling to
logClientRawRequestRedacted from P2a): when videoBridgeObserved, returns the
redacted clone from redactVideoTranscriptFieldsForLog; otherwise returns the
exact same reference. Wire it into the trackPendingRequest call site
(chatCore.ts:934), keeping the file within its frozen 5976-line budget
(5971 -> 5974).
* feat(video): substring-redact transcript in derived-prompt dispatch logs (#12430 item 4)
Extend applyVideoBridgeLogRedaction with a string-content branch:
pipeline-strategy stages, smart-auto-pipeline, and context-handoff
summaries embed the transcript as a substring of a rendered prompt
string rather than an exact array part, so the existing exact
part-array match silently skipped them. Adds a mutually-exclusive
string branch (Array.isArray vs typeof === "string") that does a
replaceAll of the trusted fullText literal against a lazily cloned
message, reusing the existing rootClone/clonedContainers/clonedMessages
clone-on-write pattern so siblings keep original references and the
input is never mutated.
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