activity-sport-type: schema, contract, write/read paths, federation

Implements the activity-sport-type change (specs/activity-sport-type):

- db: nullable `sport_type` column on journal.activities + SportType /
  SPORT_TYPES (text().$type<> convention).
- api: optional sportType on the activity read + create schemas (mirrored
  SPORT_TYPES; @trails-cool/api stays zod-only).
- write: ActivityInput + createActivity persist it; mapSportType() normalizes
  provider strings (Komoot bulk import passes tour.sport; Garmin unset);
  threaded through the unified importActivity.
- read/display: sportType added to the detail/feed/profile loaders and the v1
  REST endpoints; shared SportBadge (glyph + i18n label) on detail, feed, and
  profile; sport-aware feed verb; create-form <select>.
- i18n: journal.activities.sport.* (labels + verbs) in en + de.
- federation: `sport` PropertyValue on the Note when set.

Tests: mapSportType unit table; federation asserts the sport attachment is
present when set and omitted when unset. typecheck + lint + unit all green.
E2E (create→badge) still to add.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

apps/journal/app/lib/federation-objects.server.ts

@@ -14,11 +14,13 @@ import { Temporal as TemporalPolyfill } from "@js-temporal/polyfill";
 import { Create, Delete, Note, PropertyValue, Tombstone, PUBLIC_COLLECTION } from "@fedify/fedify/vocab";
 import { getOrigin } from "./config.server.ts";
 import { localActorIri } from "./actor-iri.ts";
+import type { SportType } from "@trails-cool/db/schema/journal";
 
 export interface FederatableActivity {
   id: string;
   name: string;
   description: string | null;
+  sportType: SportType | null;
   distance: number | null;
   elevationGain: number | null;
   duration: number | null;
@@ -81,6 +83,9 @@ export function activityToNote(a: FederatableActivity, ownerUsername: string): N
   if (a.duration != null) {
     attachments.push(new PropertyValue({ name: "duration-s", value: String(a.duration) }));
   }
+  if (a.sportType != null) {
+    attachments.push(new PropertyValue({ name: "sport", value: a.sportType }));
+  }
 
   return new Note({
     id: new URL(objectIri),