Align sync SDK with snapshot and workspace contracts

README.md

@@ -46,6 +46,31 @@ pushes the annotated version tag when needed and uploads the npm tarball and
 - Browser activity batches contain only a normalized hostname and bounded
   duration. Manual captures use a separate Inbox protocol.
 
+## Core sync contract
+
+`schemas/sync.json` describes the operation-log wire format used by Desktop
+core and sync-server. The server orders opaque operations by
+`server_sequence`; it does not merge file contents or become the source of
+truth. Sync plugins only use `api.sync` for configuration and status.
+
+- File and folder operations are `create`, `update`, `delete`, or `move`.
+  File payloads carry a vault-relative path, a SHA-256 content hash, and the
+  existing bounded text/base64 representation when the file is supported.
+- Workspace (`Deal`) operations are core-owned `workspace` entities with
+  `create`, `rename`, `trash`, and `restore`. Their payload carries the durable
+  `workspaceId`; `.verstak/workspace.json` remains unavailable to plugins and
+  is not ordinary file sync data.
+- A pairing may name an existing remote `vaultId`. Omitting it creates/uses the
+  local vault identity. `SyncStatus.vaultId` reports the selected remote scope.
+- `SyncStatus.lastWarning` reports a persistent unresolved scanner problem.
+  Files larger than the current 8 MB bounded transport or otherwise
+  unsupported are not marked synchronized and are retried on later scans.
+
+The snapshot stored by core is implementation state, not a plugin API. It
+excludes `.verstak`, trash, temporary files, and symlinks. Blob transport,
+quotas, pagination, and retention are deliberately outside this contract and
+remain a later milestone.
+
 ## Bundled Frontend API Contract
 
 Verstak Desktop creates the real API with `createPluginAPI(pluginId)` and passes

dist/plugin-api.d.ts

@@ -27,6 +27,8 @@ export interface PluginEvent<TPayload = Record<string, unknown>> {
 export interface SyncStatus {
     configured: boolean;
     serverUrl: string;
+    /** Remote sync scope selected during pairing. It can differ from this device's local vault UUID. */
+    vaultId: string;
     deviceId: string;
     deviceName: string;
     connected: boolean;
@@ -36,8 +38,47 @@ export interface SyncStatus {
     lastSyncAt: string;
     syncInterval: number;
     lastError: string;
+    /** A persistent unresolved scanner warning, for example an over-limit file. */
+    lastWarning: string;
     statusLabel: string;
 }
+/** Core operation-log contract. Plugins can display status but cannot create these operations. */
+export type SyncEntityType = 'file' | 'folder' | 'workspace';
+export type SyncOperationType = 'create' | 'update' | 'delete' | 'move' | 'rename' | 'trash' | 'restore';
+export interface SyncOperation {
+    opId: string;
+    serverSequence?: number;
+    deviceId: string;
+    entityType: SyncEntityType;
+    entityId: string;
+    opType: SyncOperationType;
+    payloadJson: string;
+    createdAt: string;
+    clientSequence?: number;
+    lastSeenServerSeq?: number;
+}
+export interface SyncFilePayload {
+    path: string;
+    content?: string;
+    dataBase64?: string;
+    contentHash?: string;
+    fromPath?: string;
+    toPath?: string;
+}
+export interface SyncWorkspacePayload {
+    workspaceId: string;
+    path: string;
+    previousPath?: string;
+    name: string;
+    metadata?: Record<string, unknown>;
+}
+export interface SyncSnapshotEntry {
+    path: string;
+    type: 'file' | 'folder';
+    size: number;
+    modifiedAt: string;
+    hash?: string;
+}
 export interface SyncConflict {
     op_id?: string;
     opId?: string;
@@ -133,7 +174,7 @@ export interface VerstakPluginAPI {
     };
     sync: {
         status(): Promise<SyncStatus>;
-        configure(serverUrl: string, username: string, password: string): Promise<void>;
+        configure(serverUrl: string, username: string, password: string, remoteVaultId?: string): Promise<void>;
         disconnect(): Promise<void>;
         testConnection(serverUrl: string, username: string, password: string): Promise<void>;
         setInterval(minutes: number): Promise<void>;

dist/plugin-api.js.map

@@ -1 +1 @@
-{"version":3,"file":"plugin-api.js","sourceRoot":"","sources":["../src/plugin-api.ts"],"names":[],"mappings":"AAAA,6DAA6D;AAC7D,EAAE;AACF,8EAA8E;AAC9E,gFAAgF;AAChF,8EAA8E;AAC9E,gDAAgD;AA8LhD,MAAM,UAAU,eAAe,CAAC,SAAiB;IAC/C,MAAM,IAAI,KAAK,CAAC,kEAAkE,CAAC,CAAC;AACtF,CAAC"}
+{"version":3,"file":"plugin-api.js","sourceRoot":"","sources":["../src/plugin-api.ts"],"names":[],"mappings":"AAAA,6DAA6D;AAC7D,EAAE;AACF,8EAA8E;AAC9E,gFAAgF;AAChF,8EAA8E;AAC9E,gDAAgD;AA4OhD,MAAM,UAAU,eAAe,CAAC,SAAiB;IAC/C,MAAM,IAAI,KAAK,CAAC,kEAAkE,CAAC,CAAC;AACtF,CAAC"}

dist/test-utils.d.ts.map

@@ -1 +1 @@
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+{"version":3,"file":"test-utils.d.ts","sourceRoot":"","sources":["../src/test-utils.ts"],"names":[],"mappings":"AAEA,OAAO,KAAK,EAAE,cAAc,EAAE,WAAW,EAAE,4BAA4B,EAAE,MAAM,SAAS,CAAC;AACzF,OAAO,KAAK,EAAwB,YAAY,EAAqB,gBAAgB,EAAE,MAAM,cAAc,CAAC;AAQ5G,MAAM,WAAW,oBAAoB;IACnC,aAAa,CAAC,EAAE,4BAA4B,CAAC;IAC7C,MAAM,CAAC,EAAE,YAAY,CAAC;IACtB,aAAa,CAAC,EAAE,YAAY,CAAC;IAC7B,QAAQ,CAAC,EAAE,OAAO,CAAC,MAAM,CAAC,YAAY,EAAE,MAAM,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC,CAAC,CAAC;CAClE;AASD;;GAEG;AACH,wBAAgB,kBAAkB,CAAC,SAAS,CAAC,EAAE,OAAO,CAAC,cAAc,CAAC,GAAG,cAAc,CAetF;AAED;;GAEG;AACH,wBAAgB,qBAAqB,CAAC,SAAS,CAAC,EAAE,OAAO,CAAC,WAAW,CAAC,GAAG,WAAW,CASnF;AAED;;GAEG;AACH,wBAAgB,mBAAmB,CAAC,QAAQ,SAAgB,EAAE,OAAO,GAAE,oBAAyB,GAAG,gBAAgB,CA4XlH;AAED;;GAEG;AACH,wBAAgB,gBAAgB,CAAC,QAAQ,EAAE,OAAO,GAAG;IAAE,KAAK,EAAE,OAAO,CAAC;IAAC,MAAM,EAAE,MAAM,EAAE,CAAA;CAAE,CAgCxF;AAGD,OAAO,EAAE,EAAE,EAAE,MAAM,QAAQ,CAAC;AAC5B,OAAO,EAAE,EAAE,EAAE,CAAC"}

dist/test-utils.js

@@ -421,6 +421,7 @@ export function createMockPluginAPI(pluginId = 'test.plugin', options = {}) {
             status: vi.fn(async () => ({
                 configured: false,
                 serverUrl: '',
+                vaultId: '',
                 deviceId: '',
                 deviceName: '',
                 connected: false,
@@ -430,6 +431,7 @@ export function createMockPluginAPI(pluginId = 'test.plugin', options = {}) {
                 lastSyncAt: '',
                 syncInterval: 0,
                 lastError: '',
+                lastWarning: '',
                 statusLabel: 'disabled',
             })),
             configure: vi.fn(async () => { }),

schemas/sync.json

@@ -1,177 +1,136 @@
 {
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://raw.githubusercontent.com/mirivlad/verstak-sdk/main/schemas/sync.json",
-  "title": "Verstak Sync Operations",
+  "title": "Verstak core sync operation log",
-  "description": "Sync operation schemas for vault synchronization between devices",
+  "description": "Wire contracts for the core-owned operation log. Plugins may configure and display sync, but do not create operations.",
   "type": "object",
   "properties": {
-    "SyncOperation": {
+    "Operation": { "$ref": "#/$defs/Operation" },
-      "$ref": "#/$defs/SyncOperation"
+    "PushRequest": { "$ref": "#/$defs/PushRequest" },
-    },
+    "PullResponse": { "$ref": "#/$defs/PullResponse" },
-    "SyncBatch": {
+    "Snapshot": { "$ref": "#/$defs/Snapshot" },
-      "$ref": "#/$defs/SyncBatch"
+    "PairingRequest": { "$ref": "#/$defs/PairingRequest" }
-    },
-    "SyncManifest": {
-      "$ref": "#/$defs/SyncManifest"
-    }
   },
   "$defs": {
-    "SyncOperation": {
+    "Operation": {
       "type": "object",
-      "description": "A single sync operation entry",
+      "required": ["op_id", "device_id", "entity_type", "entity_id", "op_type", "payload_json", "created_at"],
-      "required": ["op", "id", "timestamp"],
       "properties": {
-        "op": {
+        "op_id": { "type": "string", "minLength": 1 },
-          "type": "string",
+        "server_sequence": { "type": "integer", "minimum": 1 },
-          "description": "Operation type",
+        "device_id": { "type": "string" },
-          "enum": ["add", "modify", "delete", "rename"]
+        "entity_type": { "enum": ["file", "folder", "workspace"] },
+        "entity_id": { "type": "string", "minLength": 1 },
+        "op_type": { "enum": ["create", "update", "delete", "move", "rename", "trash", "restore"] },
+        "payload_json": { "type": "string" },
+        "created_at": { "type": "string", "format": "date-time" },
+        "client_sequence": { "type": "integer", "minimum": 0 },
+        "last_seen_server_seq": { "type": "integer", "minimum": 0 }
       },
-        "id": {
+      "additionalProperties": false
-          "type": "string",
-          "description": "Unique operation identifier (UUID)"
     },
-        "timestamp": {
+    "FilePayload": {
-          "type": "string",
-          "description": "ISO 8601 timestamp of the operation"
-        },
-        "deviceId": {
-          "type": "string",
-          "description": "Originating device identifier"
-        },
-        "entityType": {
-          "type": "string",
-          "description": "Entity type being synced",
-          "enum": ["file", "note", "plugin_state", "vault_meta"]
-        },
-        "entityPath": {
-          "type": "string",
-          "description": "Entity path relative to vault root"
-        },
-        "hash": {
-          "type": "string",
-          "description": "Content hash (SHA-256) for content verification"
-        },
-        "size": {
-          "type": "integer",
-          "description": "File size in bytes"
-        },
-        "mimeType": {
-          "type": "string",
-          "description": "MIME type of the entity"
-        },
-        "pluginNamespace": {
-          "type": "string",
-          "description": "Plugin namespace, if syncing plugin state"
-        },
-        "oldPath": {
-          "type": "string",
-          "description": "Previous path for rename operations"
-        },
-        "metadata": {
       "type": "object",
-          "description": "Arbitrary metadata key-value pairs",
+      "required": ["path"],
-          "additionalProperties": { "type": "string" }
-        }
-      }
-    },
-    "SyncBatch": {
-      "type": "object",
-      "description": "A batch of sync operations sent between devices",
-      "required": ["batchId", "deviceId", "operations", "timestamp"],
       "properties": {
-        "batchId": {
+        "path": { "$ref": "#/$defs/VaultPath" },
-          "type": "string",
+        "content": { "type": "string" },
-          "description": "Unique batch identifier (UUID)"
+        "dataBase64": { "type": "string", "contentEncoding": "base64" },
+        "contentHash": { "type": "string", "pattern": "^[a-f0-9]{64}$" },
+        "fromPath": { "$ref": "#/$defs/VaultPath" },
+        "toPath": { "$ref": "#/$defs/VaultPath" }
       },
-        "deviceId": {
+      "additionalProperties": false
-          "type": "string",
-          "description": "Originating device identifier"
     },
-        "operations": {
+    "WorkspacePayload": {
-          "type": "array",
-          "description": "List of sync operations in this batch",
-          "items": {
-            "$ref": "#/$defs/SyncOperation"
-          }
-        },
-        "timestamp": {
-          "type": "string",
-          "description": "ISO 8601 timestamp of batch creation"
-        },
-        "lastSyncTimestamp": {
-          "type": "string",
-          "description": "Timestamp of the last successful sync from this device"
-        },
-        "sequence": {
-          "type": "integer",
-          "description": "Sequence number for ordering batches"
-        }
-      }
-    },
-    "SyncManifest": {
       "type": "object",
-      "description": "Vault sync manifest for initial reconciliation",
+      "required": ["workspaceId", "path", "name"],
-      "required": ["deviceId", "entries"],
       "properties": {
-        "deviceId": { "type": "string" },
+        "workspaceId": { "type": "string", "format": "uuid" },
-        "entries": {
+        "path": { "$ref": "#/$defs/WorkspacePath" },
-          "type": "array",
+        "previousPath": { "$ref": "#/$defs/WorkspacePath" },
-          "items": {
+        "name": { "type": "string", "minLength": 1 },
-            "type": "object",
+        "metadata": { "type": "object", "additionalProperties": true }
-            "required": ["path", "hash", "updatedAt"],
-            "properties": {
-              "path": { "type": "string" },
-              "hash": { "type": "string" },
-              "size": { "type": "integer" },
-              "updatedAt": { "type": "string" },
-              "deleted": { "type": "boolean", "default": false }
-            }
-          }
-        }
-      }
       },
-    "Conflict": {
+      "additionalProperties": false
-      "type": "object",
-      "description": "Conflict record when two devices modify the same entity",
-      "required": ["entityPath", "localHash", "remoteHash", "localTimestamp", "remoteTimestamp"],
-      "properties": {
-        "entityPath": { "type": "string" },
-        "localHash": { "type": "string" },
-        "remoteHash": { "type": "string" },
-        "localTimestamp": { "type": "string" },
-        "remoteTimestamp": { "type": "string" },
-        "resolution": {
-          "type": "string",
-          "enum": ["local_wins", "remote_wins", "manual"],
-          "description": "How the conflict was resolved"
     },
-        "resolvedAt": { "type": "string" }
+    "PushRequest": {
-      }
+      "type": "object",
+      "required": ["device_id", "ops"],
+      "properties": {
+        "device_id": { "type": "string", "minLength": 1 },
+        "idempotency_key": { "type": "string" },
+        "ops": { "type": "array", "items": { "$ref": "#/$defs/PushOperation" } }
+      },
+      "additionalProperties": false
+    },
+    "PullResponse": {
+      "type": "object",
+      "required": ["server_sequence", "ops"],
+      "properties": {
+        "server_sequence": { "type": "integer", "minimum": 0 },
+        "ops": { "type": "array", "items": { "$ref": "#/$defs/Operation" } }
+      },
+      "additionalProperties": false
+    },
+    "PushOperation": {
+      "type": "object",
+      "required": ["op_id", "entity_type", "entity_id", "op_type", "payload_json", "created_at"],
+      "properties": {
+        "op_id": { "type": "string", "minLength": 1 },
+        "entity_type": { "enum": ["file", "folder", "workspace"] },
+        "entity_id": { "type": "string", "minLength": 1 },
+        "op_type": { "enum": ["create", "update", "delete", "move", "rename", "trash", "restore"] },
+        "payload_json": { "type": "string" },
+        "created_at": { "type": "string", "format": "date-time" },
+        "client_sequence": { "type": "integer", "minimum": 0 },
+        "last_seen_server_seq": { "type": "integer", "minimum": 0 }
+      },
+      "additionalProperties": false
+    },
+    "SnapshotEntry": {
+      "type": "object",
+      "required": ["path", "type", "size", "modifiedAt"],
+      "properties": {
+        "path": { "$ref": "#/$defs/VaultPath" },
+        "type": { "enum": ["file", "folder"] },
+        "size": { "type": "integer", "minimum": 0 },
+        "modifiedAt": { "type": "string", "format": "date-time" },
+        "hash": { "type": "string", "pattern": "^[a-f0-9]{64}$" }
+      },
+      "additionalProperties": false
+    },
+    "Snapshot": {
+      "type": "object",
+      "required": ["version", "entries"],
+      "properties": {
+        "version": { "type": "integer", "minimum": 1 },
+        "entries": { "type": "object", "additionalProperties": { "$ref": "#/$defs/SnapshotEntry" } },
+        "unresolved": { "type": "object", "additionalProperties": { "type": "string" } }
+      },
+      "additionalProperties": true
     },
     "PairingRequest": {
       "type": "object",
-      "description": "Device pairing request payload",
+      "required": ["login", "password", "device_name", "vault_id"],
-      "required": ["deviceName", "deviceType", "publicKey"],
       "properties": {
-        "deviceName": { "type": "string" },
+        "login": { "type": "string", "minLength": 1 },
-        "deviceType": {
+        "password": { "type": "string", "minLength": 1 },
+        "device_name": { "type": "string", "minLength": 1 },
+        "client_version": { "type": "string" },
+        "vault_id": { "type": "string", "minLength": 1 }
+      },
+      "additionalProperties": false
+    },
+    "VaultPath": {
       "type": "string",
-          "enum": ["desktop", "mobile"]
+      "minLength": 1,
+      "not": { "pattern": "(^|/)\\.verstak(/|$)" }
     },
-        "publicKey": { "type": "string", "description": "Device public key for auth" },
+    "WorkspacePath": {
-        "clientVersion": { "type": "string" }
+      "type": "string",
-      }
+      "minLength": 1,
-    },
+      "pattern": "^[^/]+$"
-    "PairingResponse": {
-      "type": "object",
-      "description": "Device pairing response",
-      "required": ["deviceId", "token", "pairedAt"],
-      "properties": {
-        "deviceId": { "type": "string" },
-        "token": { "type": "string", "description": "Auth token for this device" },
-        "pairedAt": { "type": "string" },
-        "serverVersion": { "type": "string" }
-      }
     }
   }
 }

src/plugin-api.test.ts

@@ -3,6 +3,7 @@ import { existsSync, readFileSync, readdirSync } from 'node:fs';
 import capabilitiesSchema from '../schemas/capabilities.json';
 import manifestSchema from '../schemas/manifest.json';
 import permissionsSchema from '../schemas/permissions.json';
+import syncSchema from '../schemas/sync.json';
 import vaultEventsSchema from '../schemas/events/vault.json';
 import type { OpenProviderSupport, OpenResourceRequest, PluginManifest } from './types';
 import { createMockPluginAPI } from './test-utils';
@@ -51,6 +52,22 @@ describe('VerstakPluginAPI contract', () => {
     expect(typeof api.browserReceiver.rotateToken).toBe('function');
   });
 
+  test('sync status exposes pairing scope and unresolved scanner warning', async () => {
+    const api = createMockPluginAPI('verstak.sync');
+
+    await api.sync.configure('https://sync.example.test', 'alice', 'secret', 'shared-vault-id');
+    const status = await api.sync.status();
+    expect(status).toMatchObject({ vaultId: '', lastWarning: '', configured: false });
+  });
+
+  test('sync schema describes the core operation log and workspace lifecycle', () => {
+    const defs = (syncSchema as any).$defs;
+    expect(defs.Operation.properties.entity_type.enum).toEqual(['file', 'folder', 'workspace']);
+    expect(defs.Operation.properties.op_type.enum).toContain('restore');
+    expect(defs.WorkspacePayload.required).toEqual(['workspaceId', 'path', 'name']);
+    expect(defs.Snapshot.properties.unresolved).toBeDefined();
+  });
+
   test('manifest schema accepts files permissions used by platform-test', () => {
     const permissionEnum = ((manifestSchema as any).properties.permissions.items.enum || []) as string[];
 

src/plugin-api.ts

@@ -56,6 +56,8 @@ export interface PluginEvent<TPayload = Record<string, unknown>> {
 export interface SyncStatus {
   configured: boolean;
   serverUrl: string;
+  /** Remote sync scope selected during pairing. It can differ from this device's local vault UUID. */
+  vaultId: string;
   deviceId: string;
   deviceName: string;
   connected: boolean;
@@ -65,9 +67,53 @@ export interface SyncStatus {
   lastSyncAt: string;
   syncInterval: number;
   lastError: string;
+  /** A persistent unresolved scanner warning, for example an over-limit file. */
+  lastWarning: string;
   statusLabel: string;
 }
 
+/** Core operation-log contract. Plugins can display status but cannot create these operations. */
+export type SyncEntityType = 'file' | 'folder' | 'workspace';
+export type SyncOperationType = 'create' | 'update' | 'delete' | 'move' | 'rename' | 'trash' | 'restore';
+
+export interface SyncOperation {
+  opId: string;
+  serverSequence?: number;
+  deviceId: string;
+  entityType: SyncEntityType;
+  entityId: string;
+  opType: SyncOperationType;
+  payloadJson: string;
+  createdAt: string;
+  clientSequence?: number;
+  lastSeenServerSeq?: number;
+}
+
+export interface SyncFilePayload {
+  path: string;
+  content?: string;
+  dataBase64?: string;
+  contentHash?: string;
+  fromPath?: string;
+  toPath?: string;
+}
+
+export interface SyncWorkspacePayload {
+  workspaceId: string;
+  path: string;
+  previousPath?: string;
+  name: string;
+  metadata?: Record<string, unknown>;
+}
+
+export interface SyncSnapshotEntry {
+  path: string;
+  type: 'file' | 'folder';
+  size: number;
+  modifiedAt: string;
+  hash?: string;
+}
+
 export interface SyncConflict {
   op_id?: string;
   opId?: string;
@@ -177,7 +223,7 @@ export interface VerstakPluginAPI {
 
   sync: {
     status(): Promise<SyncStatus>;
-    configure(serverUrl: string, username: string, password: string): Promise<void>;
+    configure(serverUrl: string, username: string, password: string, remoteVaultId?: string): Promise<void>;
     disconnect(): Promise<void>;
     testConnection(serverUrl: string, username: string, password: string): Promise<void>;
     setInterval(minutes: number): Promise<void>;

src/test-utils.ts

@@ -408,6 +408,7 @@ export function createMockPluginAPI(pluginId = 'test.plugin', options: MockPlugi
       status: vi.fn(async () => ({
         configured: false,
         serverUrl: '',
+        vaultId: '',
         deviceId: '',
         deviceName: '',
         connected: false,
@@ -417,6 +418,7 @@ export function createMockPluginAPI(pluginId = 'test.plugin', options: MockPlugi
         lastSyncAt: '',
         syncInterval: 0,
         lastError: '',
+        lastWarning: '',
         statusLabel: 'disabled',
       })),
       configure: vi.fn(async () => {}),