This is your platform watching itself.

1// analytics/indicators/ema/definition.ts
2const { POST } = createEndpoint({
3  scopedTranslation,
4  aliases: [EMA_ALIAS],
5  method: Methods.POST,
6  path: ["system", "unified-interface", "vibe-sense", "indicators", "ema"],
7  title: "post.title",
8  description: "post.description",
9  icon: "activity",
10  category: "endpointCategories.analyticsIndicators",
11  tags: ["tags.vibeSense"],
12  allowedRoles: [UserRole.ADMIN],
13  fields: objectField(scopedTranslation, {
14    usage: { request: "data", response: true },
15    children: {
16      source: timeSeriesRequestField(scopedTranslation, { ... }),
17      resolution: resolutionRequestField(scopedTranslation, { ... }),
18      range: rangeRequestField(scopedTranslation, { ... }),
19      lookback: lookbackRequestField(scopedTranslation, { ... }),
20      period: requestField(scopedTranslation, {
21        fieldType: FieldDataType.NUMBER,
22        schema: z.number().int().min(1).max(500),
23        label: "post.fields.period.label",
24        description: "post.fields.period.description",
25      }),
26      result: timeSeriesResponseField(scopedTranslation, { ... }),
27      meta: nodeMetaResponseField(scopedTranslation, { ... }),
28    },
29  }),
30  errorTypes: { /* all 9 required */ },
31  successTypes: { title: "post.success.title", ... },
32  examples: { requests: { default: { source: [...], period: 3 } }, ... },
33});

1// analytics/indicators/ema/repository.ts
2// Pure computation. No DB access.
3export class EmaIndicatorRepository {
4  static computeEma(points: TimeSeries, period: number): TimeSeries {
5    if (points.length === 0) return [];
6    const k = 2 / (period + 1);
7    const result: TimeSeries = [];
8    let ema: number | undefined;
9    for (const p of points) {
10      ema = ema === undefined ? p.value : p.value * k + ema * (1 - k);
11      result.push({ timestamp: p.timestamp, value: ema });
12    }
13    return result;
14  }
15}
16
17// route.ts wires it:
18// handler: ({ data }) => {
19//   const result = EmaIndicatorRepository.computeEma(data.source, data.period);
20//   return success({ result, meta: { ... } });
21// }