diff --git a/frontend/src/adapters/index.ts b/frontend/src/adapters/index.ts
new file mode 100644
index 0000000..45a6e0f
--- /dev/null
+++ b/frontend/src/adapters/index.ts
@@ -0,0 +1,19 @@
+// The data source the whole app uses. Import `repo` from here — never reach for
+// `api/client` in stores/views.
+//
+// Today it always resolves to the REST source. M10.5 adds the offline desktop
+// source (`local.ts`, over Tauri `invoke`) and flips this to a runtime choice:
+//
+//   import { isDesktop } from "../desktop/bridge";
+//   import { local } from "./local";
+//   export const repo: Repo = isDesktop() && !hasConfiguredServer() ? local : rest;
+//
+// so a fresh desktop launch runs fully offline, and a server-connected one keeps
+// using REST. Web is unaffected.
+
+import { rest } from "./rest";
+import type { Repo } from "./repo";
+
+export const repo: Repo = rest;
+
+export type { Repo } from "./repo";
diff --git a/frontend/src/adapters/repo.ts b/frontend/src/adapters/repo.ts
new file mode 100644
index 0000000..9ea20ee
--- /dev/null
+++ b/frontend/src/adapters/repo.ts
@@ -0,0 +1,140 @@
+// The data-source seam. Stores/views talk to this typed repository interface
+// instead of reaching for the HTTP client directly, so the SAME UI can run
+// against the REST backend (web + a server-connected desktop) or a fully-local
+// on-device source (offline desktop). `rest.ts` implements it over `api/client`;
+// `local.ts` (M10.5) implements it over Tauri `invoke`; `index.ts` picks one.
+//
+// Keep this interface a thin, semantic mirror of the current calls: every method
+// maps 1:1 to a backend operation and returns the same shape the stores already
+// consume. Client-side logic (list reconciliation, optimistic updates, toasts)
+// stays in the stores — the repo is data access only.
+
+import type { NoteColor } from "../notes/colors";
+import type { Note, NoteFacets, NoteView, NoteKind, NoteRevision } from "../stores/notes";
+import type { Label } from "../stores/labels";
+import type { SavedFilter } from "../stores/savedFilters";
+import type { Device } from "../stores/devices";
+import type { TitleEntry } from "../stores/titles";
+import type { User } from "../stores/session";
+import type { PublicConfig } from "../stores/config";
+
+// ---- notes payload shapes ----------------------------------------------------
+
+// The full board query the GET /api/notes endpoint accepts. `rest.ts` renders it
+// to a query string (the one place that knows the URL shape); a local source
+// reads the same fields structurally.
+export interface NoteListQuery {
+  view: NoteView;
+  labelId?: string | null;
+  facets?: NoteFacets;
+  // The timeline view sorts by creation instead of the board's pinned/position order.
+  sort?: "created";
+}
+
+export interface NoteCreateInput {
+  title: string;
+  body: string;
+  color: NoteColor;
+  kind?: NoteKind;
+  items?: string[];
+}
+
+// The mutable subset of a note (PATCH /api/notes/:id).
+export type NoteChanges = Partial<
+  Pick<Note, "title" | "body" | "color" | "kind" | "pinned" | "archived" | "remind_at" | "recurrence">
+>;
+
+export interface ChecklistItemChanges {
+  text?: string;
+  checked?: boolean;
+}
+
+export interface Backlink {
+  id: string;
+  title: string;
+}
+
+export interface ImportResult {
+  source: string;
+  imported: number;
+  skipped: number;
+}
+
+export interface DeviceToken {
+  token: string;
+  device: Device;
+}
+
+// ---- per-domain repositories -------------------------------------------------
+
+export interface ConfigRepo {
+  get(): Promise<PublicConfig>;
+}
+
+export interface AuthRepo {
+  me(): Promise<User>;
+  login(email: string, password: string): Promise<User>;
+  register(email: string, password: string, displayName: string): Promise<User>;
+  logout(): Promise<void>;
+}
+
+export interface DevicesRepo {
+  list(): Promise<Device[]>;
+  create(name: string): Promise<DeviceToken>;
+  remove(id: string): Promise<void>;
+}
+
+export interface LabelsRepo {
+  list(): Promise<Label[]>;
+  create(name: string): Promise<Label>;
+  rename(id: string, name: string): Promise<Label>;
+  setColor(id: string, color: string): Promise<Label>;
+  remove(id: string): Promise<void>;
+  merge(sourceId: string, into: string): Promise<Label>;
+}
+
+export interface NotesRepo {
+  list(query: NoteListQuery): Promise<Note[]>;
+  get(id: string): Promise<Note>;
+  create(input: NoteCreateInput): Promise<Note>;
+  createTitled(title: string): Promise<Note>;
+  update(id: string, changes: NoteChanges): Promise<Note>;
+  completeReminder(id: string): Promise<Note>;
+  snoozeReminder(id: string, minutes: number): Promise<Note>;
+  setLabels(id: string, labelIds: string[]): Promise<Note>;
+  addItem(id: string, text: string): Promise<Note>;
+  updateItem(id: string, itemId: string, changes: ChecklistItemChanges): Promise<Note>;
+  deleteItem(id: string, itemId: string): Promise<Note>;
+  uploadAttachment(id: string, file: File): Promise<Note>;
+  deleteAttachment(id: string, attId: string): Promise<Note>;
+  unfurl(id: string, url: string): Promise<Note>;
+  deletePreview(id: string, previewId: string): Promise<Note>;
+  import(file: File): Promise<ImportResult>;
+  reorder(orderedIds: string[]): Promise<void>;
+  trash(id: string): Promise<Note>;
+  restore(id: string): Promise<Note>;
+  deleteForever(id: string): Promise<void>;
+  revisions(id: string): Promise<NoteRevision[]>;
+  restoreRevision(id: string, revId: string): Promise<Note>;
+  reminders(): Promise<Note[]>;
+  titles(): Promise<TitleEntry[]>;
+  search(q: string): Promise<Note[]>;
+  backlinks(id: string): Promise<Backlink[]>;
+  linkSearch(q: string): Promise<TitleEntry[]>;
+}
+
+export interface SavedFiltersRepo {
+  list(): Promise<SavedFilter[]>;
+  create(name: string, params: NoteFacets): Promise<SavedFilter>;
+  remove(id: string): Promise<void>;
+  rename(id: string, name: string): Promise<SavedFilter>;
+}
+
+export interface Repo {
+  config: ConfigRepo;
+  auth: AuthRepo;
+  devices: DevicesRepo;
+  labels: LabelsRepo;
+  notes: NotesRepo;
+  savedFilters: SavedFiltersRepo;
+}
diff --git a/frontend/src/adapters/rest.ts b/frontend/src/adapters/rest.ts
new file mode 100644
index 0000000..d550ca8
--- /dev/null
+++ b/frontend/src/adapters/rest.ts
@@ -0,0 +1,117 @@
+// REST implementation of the repository seam: maps each semantic operation to the
+// existing HTTP endpoint via `api/client`. This is the ONLY place that knows about
+// URL paths, query strings, and multipart bodies. Behaviour here must stay a
+// verbatim mirror of the calls the stores/views made before the seam existed — the
+// web app is unchanged; the offline `local.ts` source (M10.5) is the alternative.
+
+import { api } from "../api/client";
+import type { Note, NoteRevision } from "../stores/notes";
+import type { Label } from "../stores/labels";
+import type { SavedFilter } from "../stores/savedFilters";
+import type { Device } from "../stores/devices";
+import type { TitleEntry } from "../stores/titles";
+import type { User } from "../stores/session";
+import type { PublicConfig } from "../stores/config";
+import type {
+  Backlink,
+  DeviceToken,
+  ImportResult,
+  NoteChanges,
+  NoteCreateInput,
+  NoteListQuery,
+  ChecklistItemChanges,
+  Repo,
+} from "./repo";
+
+// Render a board query to the GET /api/notes query string. Mirrors the param
+// building that used to live in notes.store.load()/TimelineView (order-preserving;
+// query-param order is irrelevant to the server, but kept close for review).
+function notesQuery(q: NoteListQuery): string {
+  const params = new URLSearchParams();
+  params.set("filter", q.view);
+  if (q.labelId) params.append("label", q.labelId);
+  for (const id of q.facets?.label ?? []) if (id) params.append("label", id);
+  if (q.facets?.q) params.set("q", q.facets.q);
+  if (q.facets?.color) params.set("color", q.facets.color);
+  if (q.facets?.kind) params.set("kind", q.facets.kind);
+  if (q.facets?.has_reminder) params.set("has_reminder", "true");
+  if (q.facets?.has_attachment) params.set("has_attachment", "true");
+  if (q.facets?.created_after) params.set("created_after", q.facets.created_after);
+  if (q.facets?.created_before) params.set("created_before", q.facets.created_before);
+  if (q.sort) params.set("sort", q.sort);
+  return params.toString();
+}
+
+function fileForm(file: File): FormData {
+  const form = new FormData();
+  form.append("file", file);
+  return form;
+}
+
+export const rest: Repo = {
+  config: {
+    get: () => api.get<PublicConfig>("/api/config"),
+  },
+
+  auth: {
+    me: () => api.get<User>("/api/auth/me"),
+    login: (email, password) => api.post<User>("/api/auth/login", { email, password }),
+    register: (email, password, displayName) =>
+      api.post<User>("/api/auth/register", { email, password, display_name: displayName }),
+    logout: () => api.post<void>("/api/auth/logout"),
+  },
+
+  devices: {
+    list: async () => (await api.get<{ devices: Device[] }>("/api/auth/devices")).devices,
+    create: (name) => api.post<DeviceToken>("/api/auth/devices", { name }),
+    remove: (id) => api.del<void>(`/api/auth/devices/${id}`),
+  },
+
+  labels: {
+    list: async () => (await api.get<{ labels: Label[] }>("/api/labels")).labels,
+    create: (name) => api.post<Label>("/api/labels", { name }),
+    rename: (id, name) => api.patch<Label>(`/api/labels/${id}`, { name }),
+    setColor: (id, color) => api.patch<Label>(`/api/labels/${id}`, { color }),
+    remove: (id) => api.del<void>(`/api/labels/${id}`),
+    merge: (sourceId, into) => api.post<Label>(`/api/labels/${sourceId}/merge`, { into }),
+  },
+
+  notes: {
+    list: async (query) => (await api.get<{ notes: Note[] }>(`/api/notes?${notesQuery(query)}`)).notes,
+    get: (id) => api.get<Note>(`/api/notes/${id}`),
+    create: (input: NoteCreateInput) => api.post<Note>("/api/notes", input),
+    createTitled: (title) => api.post<Note>("/api/notes", { title, body: "" }),
+    update: (id, changes: NoteChanges) => api.patch<Note>(`/api/notes/${id}`, changes),
+    completeReminder: (id) => api.post<Note>(`/api/notes/${id}/reminder/complete`),
+    snoozeReminder: (id, minutes) => api.post<Note>(`/api/notes/${id}/reminder/snooze`, { minutes }),
+    setLabels: (id, labelIds) => api.put<Note>(`/api/notes/${id}/labels`, { label_ids: labelIds }),
+    addItem: (id, text) => api.post<Note>(`/api/notes/${id}/items`, { text }),
+    updateItem: (id, itemId, changes: ChecklistItemChanges) =>
+      api.patch<Note>(`/api/notes/${id}/items/${itemId}`, changes),
+    deleteItem: (id, itemId) => api.del<Note>(`/api/notes/${id}/items/${itemId}`),
+    uploadAttachment: (id, file) => api.postForm<Note>(`/api/notes/${id}/attachments`, fileForm(file)),
+    deleteAttachment: (id, attId) => api.del<Note>(`/api/notes/${id}/attachments/${attId}`),
+    unfurl: (id, url) => api.post<Note>(`/api/notes/${id}/unfurl`, { url }),
+    deletePreview: (id, previewId) => api.del<Note>(`/api/notes/${id}/previews/${previewId}`),
+    import: (file) => api.postForm<ImportResult>("/api/notes/import", fileForm(file)),
+    reorder: (orderedIds) => api.post<void>("/api/notes/reorder", { ids: orderedIds }),
+    trash: (id) => api.post<Note>(`/api/notes/${id}/trash`),
+    restore: (id) => api.post<Note>(`/api/notes/${id}/restore`),
+    deleteForever: (id) => api.del<void>(`/api/notes/${id}`),
+    revisions: async (id) => (await api.get<{ revisions: NoteRevision[] }>(`/api/notes/${id}/revisions`)).revisions,
+    restoreRevision: (id, revId) => api.post<Note>(`/api/notes/${id}/revisions/${revId}/restore`),
+    reminders: async () => (await api.get<{ notes: Note[] }>("/api/notes/reminders")).notes,
+    titles: async () => (await api.get<{ titles: TitleEntry[] }>("/api/notes/titles")).titles,
+    search: async (q) => (await api.get<{ notes: Note[] }>(`/api/notes/search?q=${encodeURIComponent(q)}`)).notes,
+    backlinks: async (id) => (await api.get<{ backlinks: Backlink[] }>(`/api/notes/${id}/backlinks`)).backlinks,
+    linkSearch: async (q) =>
+      (await api.get<{ results: TitleEntry[] }>(`/api/notes/link-search?q=${encodeURIComponent(q)}`)).results,
+  },
+
+  savedFilters: {
+    list: async () => (await api.get<{ filters: SavedFilter[] }>("/api/saved-filters")).filters,
+    create: (name, params) => api.post<SavedFilter>("/api/saved-filters", { name, params }),
+    remove: (id) => api.del<void>(`/api/saved-filters/${id}`),
+    rename: (id, name) => api.patch<SavedFilter>(`/api/saved-filters/${id}`, { name }),
+  },
+};
diff --git a/frontend/src/components/NoteEditor.vue b/frontend/src/components/NoteEditor.vue
index 03b78a3..082c0dc 100644
--- a/frontend/src/components/NoteEditor.vue
+++ b/frontend/src/components/NoteEditor.vue
@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { computed, nextTick, onMounted, ref, watch } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 import { useNotesStore } from "../stores/notes";
 import { useConfigStore } from "../stores/config";
 import { useTitlesStore, type TitleEntry } from "../stores/titles";
@@ -206,8 +206,7 @@ async function loadBacklinks(): Promise<void> {
     return;
   }
   try {
-    const res = await api.get<{ backlinks: { id: string; title: string }[] }>(`/api/notes/${noteId.value}/backlinks`);
-    backlinks.value = res.backlinks;
+    backlinks.value = await repo.notes.backlinks(noteId.value);
   } catch {
     backlinks.value = [];
   }
@@ -264,8 +263,8 @@ function refreshLinkMatches() {
   const q = linkQuery.value.trim();
   linkTimer = setTimeout(async () => {
     try {
-      const res = await api.get<{ results: TitleEntry[] }>(`/api/notes/link-search?q=${encodeURIComponent(q)}`);
-      linkMatches.value = res.results.filter((r) => r.id !== noteId.value).slice(0, 8);
+      const results = await repo.notes.linkSearch(q);
+      linkMatches.value = results.filter((r) => r.id !== noteId.value).slice(0, 8);
     } catch {
       linkMatches.value = [];
     }
diff --git a/frontend/src/stores/config.ts b/frontend/src/stores/config.ts
index 9f93358..7fcc088 100644
--- a/frontend/src/stores/config.ts
+++ b/frontend/src/stores/config.ts
@@ -1,8 +1,8 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 
-interface PublicConfig {
+export interface PublicConfig {
   site_name: string;
   allow_registration: boolean;
   version: string;
@@ -20,7 +20,7 @@ export const useConfigStore = defineStore("config", () => {
   async function load(): Promise<void> {
     if (loaded.value) return;
     try {
-      const cfg = await api.get<PublicConfig>("/api/config");
+      const cfg = await repo.config.get();
       siteName.value = cfg.site_name;
       allowRegistration.value = cfg.allow_registration;
       version.value = cfg.version;
diff --git a/frontend/src/stores/devices.ts b/frontend/src/stores/devices.ts
index eb98321..54b9e91 100644
--- a/frontend/src/stores/devices.ts
+++ b/frontend/src/stores/devices.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 
 // A linked native client (Tauri/Android) that holds a device bearer token.
 export interface Device {
@@ -17,7 +17,7 @@ export const useDevicesStore = defineStore("devices", () => {
   async function load(): Promise<void> {
     loading.value = true;
     try {
-      items.value = (await api.get<{ devices: Device[] }>("/api/auth/devices")).devices;
+      items.value = await repo.devices.list();
     } finally {
       loading.value = false;
     }
@@ -26,13 +26,13 @@ export const useDevicesStore = defineStore("devices", () => {
   // Issues a token for the current user; the plaintext token is returned ONCE
   // (never retrievable again) for the caller to display + copy.
   async function create(name: string): Promise<string> {
-    const res = await api.post<{ token: string; device: Device }>("/api/auth/devices", { name });
+    const res = await repo.devices.create(name);
     items.value.unshift(res.device);
     return res.token;
   }
 
   async function revoke(id: string): Promise<void> {
-    await api.del(`/api/auth/devices/${id}`);
+    await repo.devices.remove(id);
     items.value = items.value.filter((d) => d.id !== id);
   }
 
diff --git a/frontend/src/stores/labels.ts b/frontend/src/stores/labels.ts
index 0e09a5a..1890b0c 100644
--- a/frontend/src/stores/labels.ts
+++ b/frontend/src/stores/labels.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 
 export interface Label {
   id: string;
@@ -19,13 +19,12 @@ export const useLabelsStore = defineStore("labels", () => {
   }
 
   async function load(): Promise<void> {
-    const res = await api.get<{ labels: Label[] }>("/api/labels");
-    items.value = res.labels;
+    items.value = await repo.labels.list();
     loaded.value = true;
   }
 
   async function create(name: string): Promise<Label> {
-    const label = await api.post<Label>("/api/labels", { name });
+    const label = await repo.labels.create(name);
     if (!items.value.some((lb) => lb.id === label.id)) {
       items.value.push(label);
       sort();
@@ -34,7 +33,7 @@ export const useLabelsStore = defineStore("labels", () => {
   }
 
   async function rename(id: string, name: string): Promise<void> {
-    const updated = await api.patch<Label>(`/api/labels/${id}`, { name });
+    const updated = await repo.labels.rename(id, name);
     const idx = items.value.findIndex((lb) => lb.id === id);
     // The single-label PATCH doesn't recompute the count — keep the one we have.
     if (idx >= 0) items.value[idx] = { ...updated, count: items.value[idx].count };
@@ -42,20 +41,20 @@ export const useLabelsStore = defineStore("labels", () => {
   }
 
   async function setColor(id: string, color: string): Promise<void> {
-    const updated = await api.patch<Label>(`/api/labels/${id}`, { color });
+    const updated = await repo.labels.setColor(id, color);
     const idx = items.value.findIndex((lb) => lb.id === id);
     if (idx >= 0) items.value[idx] = { ...updated, count: items.value[idx].count };
   }
 
   async function remove(id: string): Promise<void> {
-    await api.del(`/api/labels/${id}`);
+    await repo.labels.remove(id);
     items.value = items.value.filter((lb) => lb.id !== id);
   }
 
   // Merge `sourceId` into `targetId`: the server moves the source's notes onto the
   // target and deletes the source; the response carries the target's new count.
   async function mergeInto(sourceId: string, targetId: string): Promise<void> {
-    const target = await api.post<Label>(`/api/labels/${sourceId}/merge`, { into: targetId });
+    const target = await repo.labels.merge(sourceId, targetId);
     items.value = items.value.filter((lb) => lb.id !== sourceId);
     const idx = items.value.findIndex((lb) => lb.id === targetId);
     if (idx >= 0) items.value[idx] = target;
diff --git a/frontend/src/stores/notes.ts b/frontend/src/stores/notes.ts
index b6a9698..ed54ad7 100644
--- a/frontend/src/stores/notes.ts
+++ b/frontend/src/stores/notes.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 import { useUiStore } from "./ui";
 import type { NoteColor } from "../notes/colors";
 
@@ -127,19 +127,7 @@ export const useNotesStore = defineStore("notes", () => {
     activeFacets.value = facets;
     loading.value = true;
     try {
-      const params = new URLSearchParams();
-      params.set("filter", v);
-      if (labelId) params.append("label", labelId);
-      for (const id of facets.label ?? []) if (id) params.append("label", id);
-      if (facets.q) params.set("q", facets.q);
-      if (facets.color) params.set("color", facets.color);
-      if (facets.kind) params.set("kind", facets.kind);
-      if (facets.has_reminder) params.set("has_reminder", "true");
-      if (facets.has_attachment) params.set("has_attachment", "true");
-      if (facets.created_after) params.set("created_after", facets.created_after);
-      if (facets.created_before) params.set("created_before", facets.created_before);
-      const res = await api.get<{ notes: Note[] }>(`/api/notes?${params.toString()}`);
-      items.value = res.notes;
+      items.value = await repo.notes.list({ view: v, labelId, facets });
       sortItems();
     } finally {
       loading.value = false;
@@ -153,7 +141,7 @@ export const useNotesStore = defineStore("notes", () => {
     kind?: NoteKind;
     items?: string[];
   }): Promise<Note> {
-    const note = await api.post<Note>("/api/notes", input);
+    const note = await repo.notes.create(input);
     reconcile(note);
     return note;
   }
@@ -164,7 +152,7 @@ export const useNotesStore = defineStore("notes", () => {
       Pick<Note, "title" | "body" | "color" | "kind" | "pinned" | "archived" | "remind_at" | "recurrence">
     >,
   ): Promise<void> {
-    reconcile(await api.patch<Note>(`/api/notes/${id}`, changes));
+    reconcile(await repo.notes.update(id, changes));
   }
 
   const setPinned = (id: string, pinned: boolean) => mutate(id, { pinned });
@@ -180,50 +168,46 @@ export const useNotesStore = defineStore("notes", () => {
   const saveEdit = (id: string, changes: { title: string; body: string; color: NoteColor }) => mutate(id, changes);
 
   async function completeReminder(id: string): Promise<void> {
-    reconcile(await api.post<Note>(`/api/notes/${id}/reminder/complete`));
+    reconcile(await repo.notes.completeReminder(id));
   }
   async function snoozeReminder(id: string, minutes: number): Promise<void> {
-    reconcile(await api.post<Note>(`/api/notes/${id}/reminder/snooze`, { minutes }));
+    reconcile(await repo.notes.snoozeReminder(id, minutes));
   }
 
   async function setLabels(id: string, labelIds: string[]): Promise<void> {
-    reconcile(await api.put<Note>(`/api/notes/${id}/labels`, { label_ids: labelIds }));
+    reconcile(await repo.notes.setLabels(id, labelIds));
   }
 
   async function addItem(id: string, text: string): Promise<void> {
-    reconcile(await api.post<Note>(`/api/notes/${id}/items`, { text }));
+    reconcile(await repo.notes.addItem(id, text));
   }
 
   async function updateItem(id: string, itemId: string, changes: { text?: string; checked?: boolean }): Promise<void> {
-    reconcile(await api.patch<Note>(`/api/notes/${id}/items/${itemId}`, changes));
+    reconcile(await repo.notes.updateItem(id, itemId, changes));
   }
 
   async function deleteItem(id: string, itemId: string): Promise<void> {
-    reconcile(await api.del<Note>(`/api/notes/${id}/items/${itemId}`));
+    reconcile(await repo.notes.deleteItem(id, itemId));
   }
 
   async function uploadAttachment(id: string, file: File): Promise<void> {
-    const form = new FormData();
-    form.append("file", file);
-    reconcile(await api.postForm<Note>(`/api/notes/${id}/attachments`, form));
+    reconcile(await repo.notes.uploadAttachment(id, file));
   }
 
   async function deleteAttachment(id: string, attId: string): Promise<void> {
-    reconcile(await api.del<Note>(`/api/notes/${id}/attachments/${attId}`));
+    reconcile(await repo.notes.deleteAttachment(id, attId));
   }
 
   async function unfurl(id: string, url: string): Promise<void> {
-    reconcile(await api.post<Note>(`/api/notes/${id}/unfurl`, { url }));
+    reconcile(await repo.notes.unfurl(id, url));
   }
 
   async function deletePreview(id: string, previewId: string): Promise<void> {
-    reconcile(await api.del<Note>(`/api/notes/${id}/previews/${previewId}`));
+    reconcile(await repo.notes.deletePreview(id, previewId));
   }
 
   async function importNotes(file: File): Promise<{ source: string; imported: number; skipped: number }> {
-    const form = new FormData();
-    form.append("file", file);
-    const data = await api.postForm<{ source: string; imported: number; skipped: number }>("/api/notes/import", form);
+    const data = await repo.notes.import(file);
     // Refresh the current lens so imported notes appear (labels reloaded by caller).
     await load(view.value, activeLabel.value, activeFacets.value);
     return data;
@@ -231,14 +215,14 @@ export const useNotesStore = defineStore("notes", () => {
 
   async function fetchOne(id: string): Promise<Note | null> {
     try {
-      return await api.get<Note>(`/api/notes/${id}`);
+      return await repo.notes.get(id);
     } catch {
       return null;
     }
   }
 
   async function createTitled(title: string): Promise<Note> {
-    const created = await api.post<Note>("/api/notes", { title, body: "" });
+    const created = await repo.notes.createTitled(title);
     reconcile(created);
     return created;
   }
@@ -252,31 +236,30 @@ export const useNotesStore = defineStore("notes", () => {
       if (n) n.position = total - index;
     });
     sortItems();
-    await api.post("/api/notes/reorder", { ids: orderedIds });
+    await repo.notes.reorder(orderedIds);
   }
 
   async function trash(id: string): Promise<void> {
-    reconcile(await api.post<Note>(`/api/notes/${id}/trash`));
+    reconcile(await repo.notes.trash(id));
     useUiStore().showToast("Note moved to trash", { label: "Undo", run: () => void restore(id) });
   }
 
   async function restore(id: string): Promise<void> {
-    reconcile(await api.post<Note>(`/api/notes/${id}/restore`));
+    reconcile(await repo.notes.restore(id));
   }
 
   async function deleteForever(id: string): Promise<void> {
-    await api.del(`/api/notes/${id}`);
+    await repo.notes.deleteForever(id);
     const idx = items.value.findIndex((n) => n.id === id);
     if (idx >= 0) items.value.splice(idx, 1);
   }
 
   async function fetchRevisions(id: string): Promise<NoteRevision[]> {
-    const res = await api.get<{ revisions: NoteRevision[] }>(`/api/notes/${id}/revisions`);
-    return res.revisions;
+    return await repo.notes.revisions(id);
   }
 
   async function restoreRevision(id: string, revId: string): Promise<Note> {
-    const note = await api.post<Note>(`/api/notes/${id}/revisions/${revId}/restore`);
+    const note = await repo.notes.restoreRevision(id, revId);
     reconcile(note);
     return note;
   }
diff --git a/frontend/src/stores/reminders.ts b/frontend/src/stores/reminders.ts
index 087f59b..9b5ab9f 100644
--- a/frontend/src/stores/reminders.ts
+++ b/frontend/src/stores/reminders.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 import router from "../router";
 import { useUiStore } from "./ui";
 import type { Note } from "./notes";
@@ -23,7 +23,7 @@ export const useReminderStore = defineStore("reminders", () => {
   // Single owner of the reminders endpoint — the RemindersView reads its list through
   // this too, so the URL + response shape live in one place.
   async function fetchReminders(): Promise<Note[]> {
-    return (await api.get<{ notes: Note[] }>("/api/notes/reminders")).notes;
+    return repo.notes.reminders();
   }
 
   async function check(): Promise<void> {
diff --git a/frontend/src/stores/savedFilters.ts b/frontend/src/stores/savedFilters.ts
index 3050f21..4afb311 100644
--- a/frontend/src/stores/savedFilters.ts
+++ b/frontend/src/stores/savedFilters.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 import type { NoteFacets } from "./notes";
 
 // A named, saved facet combination (a 'view'/lens). `params` mirrors NoteFacets.
@@ -17,7 +17,7 @@ export const useSavedFiltersStore = defineStore("savedFilters", () => {
 
   async function load(): Promise<void> {
     try {
-      items.value = (await api.get<{ filters: SavedFilter[] }>("/api/saved-filters")).filters;
+      items.value = await repo.savedFilters.list();
     } catch {
       // leave whatever we have
     } finally {
@@ -26,18 +26,18 @@ export const useSavedFiltersStore = defineStore("savedFilters", () => {
   }
 
   async function create(name: string, params: NoteFacets): Promise<SavedFilter> {
-    const sf = await api.post<SavedFilter>("/api/saved-filters", { name, params });
+    const sf = await repo.savedFilters.create(name, params);
     items.value.push(sf);
     return sf;
   }
 
   async function remove(id: string): Promise<void> {
-    await api.del(`/api/saved-filters/${id}`);
+    await repo.savedFilters.remove(id);
     items.value = items.value.filter((f) => f.id !== id);
   }
 
   async function rename(id: string, name: string): Promise<void> {
-    const sf = await api.patch<SavedFilter>(`/api/saved-filters/${id}`, { name });
+    const sf = await repo.savedFilters.rename(id, name);
     const idx = items.value.findIndex((f) => f.id === id);
     if (idx >= 0) items.value[idx] = sf;
   }
diff --git a/frontend/src/stores/session.ts b/frontend/src/stores/session.ts
index 4a21b0d..79c227f 100644
--- a/frontend/src/stores/session.ts
+++ b/frontend/src/stores/session.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 
 export interface User {
   id: string;
@@ -17,7 +17,7 @@ export const useSessionStore = defineStore("session", () => {
 
   async function fetchMe(): Promise<void> {
     try {
-      user.value = await api.get<User>("/api/auth/me");
+      user.value = await repo.auth.me();
     } catch {
       user.value = null;
     } finally {
@@ -26,19 +26,15 @@ export const useSessionStore = defineStore("session", () => {
   }
 
   async function login(email: string, password: string): Promise<void> {
-    user.value = await api.post<User>("/api/auth/login", { email, password });
+    user.value = await repo.auth.login(email, password);
   }
 
   async function register(email: string, password: string, displayName: string): Promise<void> {
-    user.value = await api.post<User>("/api/auth/register", {
-      email,
-      password,
-      display_name: displayName,
-    });
+    user.value = await repo.auth.register(email, password, displayName);
   }
 
   async function logout(): Promise<void> {
-    await api.post("/api/auth/logout");
+    await repo.auth.logout();
     user.value = null;
   }
 
diff --git a/frontend/src/stores/titles.ts b/frontend/src/stores/titles.ts
index 25ab121..6ba3a0b 100644
--- a/frontend/src/stores/titles.ts
+++ b/frontend/src/stores/titles.ts
@@ -1,6 +1,6 @@
 import { defineStore } from "pinia";
 import { ref } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
 
 export interface TitleEntry {
   id: string;
@@ -14,8 +14,7 @@ export const useTitlesStore = defineStore("titles", () => {
 
   async function load(): Promise<void> {
     if (loaded.value) return;
-    const res = await api.get<{ titles: TitleEntry[] }>("/api/notes/titles");
-    items.value = res.titles;
+    items.value = await repo.notes.titles();
     loaded.value = true;
   }
 
diff --git a/frontend/src/views/SearchView.vue b/frontend/src/views/SearchView.vue
index d0ab18f..65efebb 100644
--- a/frontend/src/views/SearchView.vue
+++ b/frontend/src/views/SearchView.vue
@@ -1,8 +1,7 @@
 <script setup lang="ts">
 import { computed, watch } from "vue";
 import { useRoute } from "vue-router";
-import { api } from "../api/client";
-import { type Note } from "../stores/notes";
+import { repo } from "../adapters";
 import { useNoteList } from "../composables/useNoteList";
 import { useNoteEditor } from "../composables/useNoteEditor";
 import AsyncState from "../components/AsyncState.vue";
@@ -17,7 +16,7 @@ const noMatchSubtitle = computed(() => `Nothing found for "${query.value}".`);
 const { items: results, loading, error, load: run } = useNoteList(async () => {
   const q = query.value.trim();
   if (!q) return [];
-  return (await api.get<{ notes: Note[] }>(`/api/notes/search?q=${encodeURIComponent(q)}`)).notes;
+  return repo.notes.search(q);
 }, "Search failed.");
 
 const { editing, open: openEditor, close: closeEditor, navigate: onNavigate } = useNoteEditor({
diff --git a/frontend/src/views/TimelineView.vue b/frontend/src/views/TimelineView.vue
index 8ddf86d..dda3078 100644
--- a/frontend/src/views/TimelineView.vue
+++ b/frontend/src/views/TimelineView.vue
@@ -1,6 +1,7 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch } from "vue";
-import { api } from "../api/client";
+import { repo } from "../adapters";
+import type { NoteListQuery } from "../adapters/repo";
 import { type Note } from "../stores/notes";
 import { addLocalDays, parseLocalDate } from "../notes/datetime";
 import { useNoteList } from "../composables/useNoteList";
@@ -19,18 +20,22 @@ const fromDate = ref("");
 const toDate = ref("");
 const hasRange = computed(() => !!fromDate.value || !!toDate.value);
 
-function buildQuery(): string {
-  const params = new URLSearchParams({ filter: "active", sort: "created" });
+function buildQuery(): NoteListQuery {
   const from = parseLocalDate(fromDate.value);
-  if (from) params.set("created_after", from.toISOString());
   const to = parseLocalDate(toDate.value);
-  // Half-open upper bound: start of the day AFTER `to`, so the whole `to` day is included.
-  if (to) params.set("created_before", addLocalDays(to, 1).toISOString());
-  return params.toString();
+  return {
+    view: "active",
+    sort: "created",
+    facets: {
+      created_after: from ? from.toISOString() : undefined,
+      // Half-open upper bound: start of the day AFTER `to`, so the whole `to` day is included.
+      created_before: to ? addLocalDays(to, 1).toISOString() : undefined,
+    },
+  };
 }
 
 const { items, loading, error, load } = useNoteList(
-  async () => (await api.get<{ notes: Note[] }>(`/api/notes?${buildQuery()}`)).notes,
+  async () => repo.notes.list(buildQuery()),
   "Couldn't load the timeline.",
 );