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ts/packages/base/src/runtime/config.ts

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+/**
+ * Effect Config contracts for process/runtime settings.
+ *
+ * These declarations preserve the existing environment variable names while
+ * moving reads to a typed Effect boundary.
+ */
+
+import { Config, Effect } from "effect";
+import * as O from "effect/Option";
+
+export interface ProcessorRuntimeConfigOptions {
+  readonly manageProcessSignals?: boolean;
+}
+
+export const optionalStringConfig = Effect.fn("optionalStringConfig")(function* (name: string) {
+    return O.getOrUndefined(yield* Config.string(name).pipe(Config.option));
+});
+
+export const loadProcessorRuntimeConfig = Effect.fn("loadProcessorRuntimeConfig")(function* (
+  id: string,
+  options: ProcessorRuntimeConfigOptions = {},
+) {
+    const natsUrl = yield* optionalStringConfig("NATS_URL");
+    const pulsarHost = yield* optionalStringConfig("PULSAR_HOST");
+    const metricsPort = yield* Config.number("METRICS_PORT").pipe(Config.withDefault(8000));
+
+    return {
+      id,
+      pubsubUrl: natsUrl ?? pulsarHost ?? "nats://localhost:4222",
+      metricsPort,
+      manageProcessSignals: options.manageProcessSignals ?? true,
+    };
+});

ts/packages/base/src/runtime/index.ts

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+export {
+  defaultMessagingRuntimeConfig,
+  loadMessagingRuntimeConfig,
+  type MessagingRuntimeConfig,
+} from "./messaging-config.js";
+export {
+  loadProcessorRuntimeConfig,
+  optionalStringConfig,
+  type ProcessorRuntimeConfigOptions,
+} from "./config.js";

ts/packages/base/src/runtime/messaging-config.ts

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+/**
+ * Effect Config contracts for messaging runtime behavior.
+ */
+
+import { Config, Effect } from "effect";
+
+export interface MessagingRuntimeConfig {
+  readonly consumerReceiveTimeoutMs: number;
+  readonly consumerErrorBackoffMs: number;
+  readonly rateLimitRetryMs: number;
+  readonly requestTimeoutMs: number;
+}
+
+export const defaultMessagingRuntimeConfig: MessagingRuntimeConfig = {
+  consumerReceiveTimeoutMs: 2_000,
+  consumerErrorBackoffMs: 1_000,
+  rateLimitRetryMs: 10_000,
+  requestTimeoutMs: 300_000,
+};
+
+export const loadMessagingRuntimeConfig = Effect.fn("loadMessagingRuntimeConfig")(function* () {
+  const consumerReceiveTimeoutMs = yield* Config.number("TG_CONSUMER_RECEIVE_TIMEOUT_MS").pipe(
+    Config.withDefault(defaultMessagingRuntimeConfig.consumerReceiveTimeoutMs),
+  );
+  const consumerErrorBackoffMs = yield* Config.number("TG_CONSUMER_ERROR_BACKOFF_MS").pipe(
+    Config.withDefault(defaultMessagingRuntimeConfig.consumerErrorBackoffMs),
+  );
+  const rateLimitRetryMs = yield* Config.number("TG_RATE_LIMIT_RETRY_MS").pipe(
+    Config.withDefault(defaultMessagingRuntimeConfig.rateLimitRetryMs),
+  );
+  const requestTimeoutMs = yield* Config.number("TG_REQUEST_TIMEOUT_MS").pipe(
+    Config.withDefault(defaultMessagingRuntimeConfig.requestTimeoutMs),
+  );
+
+  return {
+    consumerReceiveTimeoutMs,
+    consumerErrorBackoffMs,
+    rateLimitRetryMs,
+    requestTimeoutMs,
+  } satisfies MessagingRuntimeConfig;
+});