Equal.equals falls back to reference equality (===) for plain objects without the Equal trait. Since ModelSelection objects are plain JS objects created via Schema.Struct/Schema.Union, two identical selections would always compare as different, causing unnecessary session restarts on every Claude turn.
Unified · Split
| @@ -13,7 +13,7 @@ import { · 12 unmodified lines | ||
| 13 | 13 | type RuntimeMode, |
| 14 | 14 | type TurnId, |
| 15 | 15 | } from "@t3tools/contracts"; |
| 16 | −import { Cache, Cause, Duration, Effect, Equal, Layer, Option, Schema, Stream } from "effect"; | |
| 16 | +import { Cache, Cause, Duration, Effect, Layer, Option, Schema, Stream } from "effect"; | |
| 17 | 17 | import { makeDrainableWorker } from "@t3tools/shared/DrainableWorker"; |
| 18 | 18 | |
| 19 | 19 | import { resolveThreadWorkspaceCwd } from "../../checkpointing/Utils.ts"; |
| @@ -301,7 +301,7 @@ const make = Effect.gen(function* () { · 281 unmodified lines | ||
| 301 | 301 | const shouldRestartForModelSelectionChange = |
| 302 | 302 | currentProvider === "claudeAgent" && |
| 303 | 303 | requestedModelSelection !== undefined && |
| 304 | − !Equal.equals(previousModelSelection, requestedModelSelection); | |
| 304 | + JSON.stringify(previousModelSelection) !== JSON.stringify(requestedModelSelection); | |
| 305 | 305 | |
| 306 | 306 | if ( |
| 307 | 307 | !runtimeModeChanged && |