Merge pull request #48 from pylon-code/fix/prime-agent-0-7-3-adoption

fix(prime-agent): adopt 0.7.3 and explain a rejected model selection

Author: rynfar

apps/server/src/provider/prime/PrimeAgentDaemonSessionRuntime.test.ts

@@ -159,6 +159,7 @@ function fixture(options?: {
   readonly omitRefine?: boolean;
   readonly abortCompactionImpl?: () => Promise<unknown>;
   readonly setAutoCompactionImpl?: (enabled: boolean) => Promise<unknown>;
+  readonly setModelImpl?: (provider: string, modelId: string) => Promise<unknown>;
 }) {
   const captures: Captures = {
     order: [],
@@ -412,6 +413,7 @@ function fixture(options?: {
     }
     setModel(provider: string, modelId: string): Promise<unknown> {
       captures.connectionCalls.push({ method: "setModel", args: [provider, modelId] });
+      if (options?.setModelImpl) return options.setModelImpl(provider, modelId);
       return Promise.resolve({
         provider,
         id: modelId,
@@ -1695,6 +1697,25 @@ describe("PrimeAgentDaemonSessionRuntime", () => {
     ),
   );
 
+  it.effect("reports a rejected model selection without leaking Prime's native error", () =>
+    Effect.scoped(
+      Effect.gen(function* () {
+        // A Prime release can drop a model id the thread still selects durably.
+        const { make } = fixture({
+          setModelImpl: () =>
+            Promise.reject(new Error("unknown model cerebras/zai-glm-4.7 at /native/secret/path")),
+        });
+        const runtime = yield* make();
+
+        const error = yield* runtime.setModel("cerebras/zai-glm-4.7").pipe(Effect.flip);
+
+        expect(error).toMatchObject({ operation: "set-model", reason: "request-failed" });
+        expect(error.detail).toContain("no longer exist in Prime Agent's catalog");
+        expect(error.detail).not.toContain("/native/secret/path");
+      }),
+    ),
+  );
+
   it.effect("discovers only configured catalog models and strips native fields", () =>
     Effect.scoped(
       Effect.gen(function* () {

apps/server/src/provider/prime/PrimeAgentDaemonSessionRuntime.ts

@@ -3094,7 +3094,15 @@ export const makePrimeAgentDaemonSessionRuntime = Effect.fn("makePrimeAgentDaemo
       const method = yield* requireMethod("set-model", connection!.setModel);
       const output = yield* Effect.tryPromise({
         try: () => method.call(connection, selected.provider, selected.modelId),
-        catch: () => runtimeError("set-model", "request-failed", "The daemon model switch failed."),
+        catch: () =>
+          runtimeError(
+            "set-model",
+            "request-failed",
+            // A Prime release can drop a model id from its catalog, which rejects a
+            // durable Pylon selection here rather than at discovery. Name that cause
+            // without copying Prime's native error text across the boundary.
+            "Prime Agent rejected the selected model. It may no longer exist in Prime Agent's catalog; select another model.",
+          ),
       });
       const decoded = decodeModel(output);
       if (Option.isNone(decoded)) {