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fix(adoption): the baseline backfill runs to completion — one call adopts a pre-log baseline of any size
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A production brain with a 12.7k-row pre-log baseline advanced exactly 800
rows per adoptLogAuthority() call (a five-pass ceiling × the oracle's
200-row listing cap), refused the flip, and sat tree-authoritative for
hours across restarts. The bound was sized for drift, never for a baseline.

Now: the adoption path runs the oracle uncapped so ONE scan yields the
ENTIRE curable set, every pass cures all of it, and the loop runs to
completion with the no-progress guard as its only stop. Pace rides the
write path (one full-brain scan amortizes over thousands of cures, not two
hundred): 1,000 drifted rows adopt green in one call in ~10s. Progress is
narrated for a live operator. The wire report keeps its 200-row cap.

Pinned: a baseline above the old ceiling adopts green in a single call.
This commit is contained in:
David Snelling 2026-08-17 12:53:04 -07:00
parent 3915180f7b
commit a5a1883819
3 changed files with 145 additions and 9 deletions
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11
src/db/logAuthority.ts
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@ -165,7 +165,16 @@ export async function runLogCompletenessOracle(args: {
getVerbs?: (opts: {
pagination: { limit: number; offset?: number; cursor?: string }
}) => Promise<{ items: unknown[]; hasMore?: boolean; nextCursor?: string }>
/**
* Cap on the LISTED mismatches (counts are always complete). Defaults to
* the wire-friendly {@link MISMATCH_LIST_CAP}; the adoption backfill passes
* `Infinity` so ONE scan yields the ENTIRE curable set — a production
* brain with a 12.7k-row pre-log baseline once advanced only 800 rows per
* adoption call because each pass could see (and cure) at most 200.
*/
mismatchListCap?: number
}): Promise<OracleReport> {
const listCap = args.mismatchListCap ?? MISMATCH_LIST_CAP
const report: OracleReport = {
verdict: 'red',
generationsScanned: 0,
@ -176,7 +185,7 @@ export async function runLogCompletenessOracle(args: {
mismatchListTruncated: false
}
const addMismatch = (m: OracleMismatch): void => {
if (report.mismatches.length < MISMATCH_LIST_CAP) report.mismatches.push(m)
if (report.mismatches.length < listCap) report.mismatches.push(m)
else report.mismatchListTruncated = true
}