feat: T4 waves 1-2 - rule configs, schema, suggestions core, season, rule forms

- Rule configs with typed parsers and registry; Berlin day helpers
- Schema: T4 enums, Suggestion table, feed vocabulary (feedStatus as
  ColonyCondition with legacy text mapping), split queen source,
  varroa sample size; migration harness for data migrations
- SuggestionsService: propose/refresh/resolve/obsolete/expire,
  accept/dismiss/reopen incl. bulk, lock order, concurrency e2e
- SeasonService: phenology-based segments, inspection/varroa due dates,
  queen age; TimeEventsStep with JobPartialFailure
- Frontend: per-rule settings forms with visible value sources

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>

ApiCore-Backend/src/season/season.service.ts

@@ -0,0 +1,30 @@
+import { Injectable } from '@nestjs/common';
+import { readRule } from '../automation/rule-config';
+import type { DbClient } from '../prisma/db-client';
+import { calendarSeasonState } from './season-calendar';
+import type { SeasonState } from './season-types';
+
+/**
+ * The season of apiaries. Until the phenology data exists (Task 25) every
+ * apiary gets the calendar state; then ApiaryPhenology takes over here, and
+ * the callers stay as they are.
+ */
+@Injectable()
+export class SeasonService {
+  /** The season state of each given apiary on `today` (YYYY-MM-DD, Berlin). */
+  async statesFor(
+    db: DbClient,
+    apiaryIds: readonly string[],
+    today: string,
+  ): Promise<Map<string, SeasonState>> {
+    const states = new Map<string, SeasonState>();
+    if (apiaryIds.length === 0) {
+      return states;
+    }
+    const { config } = await readRule(db, 'PHENOLOGY');
+    for (const apiaryId of new Set(apiaryIds)) {
+      states.set(apiaryId, calendarSeasonState(apiaryId, today, config));
+    }
+    return states;
+  }
+}