Add User Model Service and Temporal Recall for MeMind V0.1.

Introduce UMS ingest/snapshot pipeline, Context Planner with multi-source recall, runtime context injection, canonical user mapping, and session snapshot loading on auth/me.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/api/client.ts

@@ -27,6 +27,7 @@ import type {
   FeedbackSubmissionType,
   FeedbackBoardPage,
   PortalUser,
+  UserModelSnapshot,
   Session,
   SessionConversationPage,
   SessionListPage,
@@ -362,6 +363,7 @@ export async function getMe(): Promise<{
   capabilities?: CapabilityMap;
   grantedSkills?: string[];
   unrestricted?: boolean;
+  userModelSnapshot?: UserModelSnapshot | null;
 }> {
   return portalFetch('/auth/me');
 }

src/types.ts

@@ -325,6 +325,25 @@ export type PlanDefinition = {
   overageRate: number;
 };
 
+export type UserModelSnapshot = {
+  snapshot_id: string;
+  user_id: string;
+  projection: string;
+  profile_version: number;
+  fast_revision: number;
+  content_hash: string;
+  byte_size: number;
+  stale_after_sec: number;
+  loaded_at_hint?: string;
+  canonical_user_id?: string;
+  core?: {
+    active_projects?: Array<{ id?: string; name?: string; confidence?: number }>;
+    recent_focus?: Array<{ topic?: string; confidence?: number }>;
+    agent_hints?: string[];
+  };
+  meta?: Record<string, unknown>;
+};
+
 export type PortalUser = {
   id: string;
   username: string;