chore: establish learning module baseline

OpenMAIC/tests/store/scene-runtime-errors.test.ts

@@ -0,0 +1,46 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { useSceneRuntimeErrors } from '@/lib/store/scene-runtime-errors';
+
+describe('useSceneRuntimeErrors', () => {
+  beforeEach(() => useSceneRuntimeErrors.setState({ errors: {} }));
+
+  it('records errors per scene', () => {
+    useSceneRuntimeErrors.getState().addError('s1', 'JSON.parse SyntaxError');
+    useSceneRuntimeErrors.getState().addError('s2', 'ReferenceError: katex');
+    expect(useSceneRuntimeErrors.getState().errors).toEqual({
+      s1: ['JSON.parse SyntaxError'],
+      s2: ['ReferenceError: katex'],
+    });
+  });
+
+  it('dedups identical errors (a render loop logging the same thing)', () => {
+    const add = useSceneRuntimeErrors.getState().addError;
+    add('s1', 'boom');
+    add('s1', 'boom');
+    add('s1', 'boom');
+    expect(useSceneRuntimeErrors.getState().errors.s1).toEqual(['boom']);
+  });
+
+  it('ignores blank messages', () => {
+    useSceneRuntimeErrors.getState().addError('s1', '   ');
+    expect(useSceneRuntimeErrors.getState().errors.s1).toBeUndefined();
+  });
+
+  it('caps to the most recent 8 distinct errors', () => {
+    for (let i = 0; i < 12; i++) useSceneRuntimeErrors.getState().addError('s1', `err ${i}`);
+    const e = useSceneRuntimeErrors.getState().errors.s1;
+    expect(e).toHaveLength(8);
+    expect(e[0]).toBe('err 4');
+    expect(e[7]).toBe('err 11');
+  });
+
+  it('clearScene drops only that scene; clearAll drops everything', () => {
+    const { addError, clearScene, clearAll } = useSceneRuntimeErrors.getState();
+    addError('s1', 'a');
+    addError('s2', 'b');
+    clearScene('s1');
+    expect(useSceneRuntimeErrors.getState().errors).toEqual({ s2: ['b'] });
+    clearAll();
+    expect(useSceneRuntimeErrors.getState().errors).toEqual({});
+  });
+});