community: declare what you like on soulseek, so the similar-users shelf finally has something to rank on

src/lib/community.svelte.js

@@ -60,6 +60,8 @@ export const community = $state({
     interests: {},
     /** The server's similar-users answer, or null before it was asked. */
     similar: null,
+    /** What this device has declared on Soulseek — the shelf's only input. */
+    interests: null,
     /** slsk_link_status: our own verified link and everyone we verified. */
     links: null,
     /** username → the last failed ask's reason. */
@@ -419,6 +421,24 @@ export async function loadUserInfo(username) {
             .catch((e) => (community.interests[username] = { error: String(e) }));
     }
 }
+/** What we have told the server we like. The shelf ranks on exactly this. */
+export async function refreshInterests() {
+    try {
+        community.interests = await api.slskInterestsMine();
+    } catch {
+        // not connected; the panel says so
+    }
+}
+
+/** Declare an interest, or take it back, then ask the server again — the
+ *  ranking only moves when its input does. */
+export const setInterest = (thing, like, on) =>
+    run("interest", async () => {
+        community.interests = await api.slskInterestSet(thing, like, on);
+        community.similar = null;
+        await loadSimilar(true);
+    });
+
 export async function loadSimilar(force = false) {
     if (community.similar && !force) return;
     community.busy.similar = true;
@@ -706,4 +726,4 @@ export const decideProposal = (owner, space, proposal, accept, reason) =>
 // Dev handle beside `__soulstream` (state.svelte.js): probes reach the store
 // through this, never through a bare import (which would be a second copy).
 if (import.meta.env.DEV) globalThis.__community = community;
-if (import.meta.env.DEV) globalThis.__communityActions = { friendRequest, friendRequestByKey, friendAccept, friendDecline, friendRemove, friendForget, checkLink, refreshFriends, sharedPublish, sharedWithdraw, shareSend, sharePreview, shareImport, refreshShares, refreshPublished, publishInbox, checkInbox, refreshInbox, refreshSpaces, openSpace, createSpace, postToSpace, inviteToSpace, removeFromSpace, pinToSpace, leaveSpace, openBoard, proposeToBoard, decideProposal, refreshOverlap, computeOverlap, forgetOverlap };
+if (import.meta.env.DEV) globalThis.__communityActions = { friendRequest, friendRequestByKey, friendAccept, friendDecline, friendRemove, friendForget, checkLink, refreshFriends, sharedPublish, sharedWithdraw, shareSend, sharePreview, shareImport, refreshShares, refreshPublished, publishInbox, checkInbox, refreshInbox, refreshSpaces, openSpace, createSpace, postToSpace, inviteToSpace, removeFromSpace, pinToSpace, leaveSpace, openBoard, proposeToBoard, decideProposal, refreshOverlap, computeOverlap, forgetOverlap, refreshInterests, setInterest };