BLOCO E3 of the god-files campaign. db/settings.ts (1154 LOC) mixed five concerns; the
three cleanly-separable ones plus the shared toRecord/JsonRecord helper were lifted out
verbatim into a new src/lib/db/settings/ subdirectory, leaving the Settings-core + Proxy
config concerns in the host (host now 646 LOC). The host re-exports every moved public
symbol so the module's public API (consumed by ~93 test files + localDb) is unchanged.
- settings/shared.ts — toRecord + JsonRecord (9 LOC)
- settings/pricing.ts — pricing layers/sources/per-model + update/reset (254 LOC)
- settings/lkgp.ts — Last-Known-Good-Provider get/set/clear (49 LOC)
- settings/cacheMetrics.ts — cache metrics + trend (235 LOC)
Settings-core + the Proxy-config concern stay in the host: proxy is the most tangled
(245-line resolveProxyForConnection, resolution cache, imports from ./proxies) and
getSettings is the most central function — leaving them is the correct coupled-core stop.
Pricing/LKGP/Cache have NO dependency on Settings/Proxy helpers (verified); the
dependency DAG is acyclic (check:cycles).
Adds tests/unit/db-settings-split.test.ts: characterization of the shared toRecord helper
+ a guard asserting the host preserves its full public export surface.
Validated: typecheck:core, check:cycles (no cycles), 149 existing+new db/settings consumer
tests green (db-settings-crud/extended, 8 pricing suites, cache-metrics, 2 proxy-resolution
suites + 29 new), ESLint, Prettier, check:file-size (host 646 < frozen 1155).
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