[Init] Initial commit - NetMesh terminal manager

infrastructure/ai/composerModelPrefs.ts

@@ -0,0 +1,87 @@
+import { localStorageAdapter } from '../persistence/localStorageAdapter';
+import { STORAGE_KEY_AI_COMPOSER_MODEL_PREFS } from '../config/storageKeys';
+import {
+  COMPOSER_PINNED_MODEL_LIMIT,
+  COMPOSER_RECENT_MODEL_LIMIT,
+  parseComposerModelPrefs,
+  toggleComposerPinnedPref,
+  upsertComposerPrefFront,
+  type ComposerModelPrefEntry,
+  type ComposerModelPrefs,
+} from './composerPicker';
+
+type PrefsByScope = Record<string, ComposerModelPrefs>;
+
+function emptyPrefs(): ComposerModelPrefs {
+  return { recent: [], pinned: [] };
+}
+
+function readAllPrefs(): PrefsByScope {
+  try {
+    const raw = localStorageAdapter.read<PrefsByScope>(STORAGE_KEY_AI_COMPOSER_MODEL_PREFS);
+    if (!raw || typeof raw !== 'object') return {};
+    const next: PrefsByScope = {};
+    for (const [scope, value] of Object.entries(raw)) {
+      next[scope] = parseComposerModelPrefs(value);
+    }
+    return next;
+  } catch {
+    return {};
+  }
+}
+
+const prefsListeners = new Set<() => void>();
+
+function notifyComposerModelPrefsChanged(): void {
+  for (const listener of prefsListeners) listener();
+}
+
+export function subscribeComposerModelPrefs(listener: () => void): () => void {
+  prefsListeners.add(listener);
+  return () => {
+    prefsListeners.delete(listener);
+  };
+}
+
+function writeAllPrefs(prefs: PrefsByScope): void {
+  try {
+    localStorageAdapter.write(STORAGE_KEY_AI_COMPOSER_MODEL_PREFS, prefs);
+  } catch {
+    // Tests and SSR have no storage. Recent/pinned stay in-memory only.
+  }
+  notifyComposerModelPrefsChanged();
+}
+
+export function readComposerModelPrefs(scope: string): ComposerModelPrefs {
+  return parseComposerModelPrefs(readAllPrefs()[scope] ?? emptyPrefs());
+}
+
+export function rememberComposerRecentModel(
+  scope: string,
+  entry: ComposerModelPrefEntry,
+): ComposerModelPrefs {
+  const all = readAllPrefs();
+  const current = parseComposerModelPrefs(all[scope]);
+  const next: ComposerModelPrefs = {
+    ...current,
+    recent: upsertComposerPrefFront(current.recent, entry, COMPOSER_RECENT_MODEL_LIMIT),
+  };
+  all[scope] = next;
+  writeAllPrefs(all);
+  return next;
+}
+
+export function toggleComposerPinnedModel(
+  scope: string,
+  entry: ComposerModelPrefEntry,
+): ComposerModelPrefs {
+  const all = readAllPrefs();
+  const current = parseComposerModelPrefs(all[scope]);
+  const next: ComposerModelPrefs = {
+    ...current,
+    pinned: toggleComposerPinnedPref(current.pinned, entry, COMPOSER_PINNED_MODEL_LIMIT),
+  };
+  all[scope] = next;
+  writeAllPrefs(all);
+  return next;
+}