feat: Phase 3c — dose logging + adherence, profile management, tests

Three workstreams, all backend+frontend (per scope decisions):

Dose logging + real adherence (backend + frontend):
* log_dose now returns the created dose (201 + body) instead of an empty 201.
* get_adherence implemented for real: queries the medication_doses collection
  over the last 30 days, counts taken vs total, computes the rate. The previous
  implementation hardcoded zeros. Removed the dead calculate_adherence stub.
* Frontend: fixed DoseLog type to match backend MedicationDose (taken:bool,
  loggedAt, camelCase); added AdherenceStats + LogDoseRequest types; logDose() +
  getAdherence() in api.ts; loadAdherence/logDose actions in the medication
  store (adherence cache keyed by med id); new DoseLogger component (Taken/
  Skipped buttons + LinearProgress adherence bar) embedded in each
  MedicationManager card.

Profile management (backend + frontend):
* New GET/PUT /api/profiles/me endpoints (ProfileResponse excludes encryption
  fields; find_by_user_id + update_name on ProfileRepository).
* Register auto-creates a default 'patient' profile (deterministic profile_id =
  profile_<user_id>) — this is the contract the frontend relies on.
* Frontend: Profile type; getProfile()/updateProfileName() in api.ts; useProfileStore;
  new ProfileEditor component (view/edit name, shows role) as a 4th Dashboard tab.
* Resolved the MedicationManager profile_id TODO: now derives profile_<user_id>
  instead of the 'default' fallback.
* NOTE: profile name is stored plaintext (the model anticipates encryption via
  nameIv/nameAuthTag but no crypto layer is implemented yet — TODO).

Vitest tests:
* Added @testing-library/user-event; setupTests clears localStorage + cleanup
  between tests; new test/mockStore.ts helper (mocks the co-located stores,
  handles both selector and no-selector call patterns).
* 5 test files, 20 tests: SeverityChip (4), useMedicationStore actions incl.
  loadMedications/createMedication/logDose (4), MedicationManager render+dialog
  (5), InteractionsChecker selection+results (4), HealthStats table+dialog (3).

Verified: backend cargo fmt/build/clippy 0 warnings, 19 unit tests pass;
frontend npm build clean, 20 vitest tests pass. Solaria round-trip confirmed:
profile auto-created on register (GET /profiles/me), PUT updates name, dose log
returns the dose body, adherence computes 66.7% for 2-taken/1-skipped.

KNOWN FOLLOW-UP (separate task): the backend Medication list response is deeply
nested + camelCase + stores fields inside medicationData.data; the frontend
Medication type assumes flat top-level snake_case fields. This pre-dates Phase 3c
and affects the whole MedicationManager — needs a backend serialization fix or a
frontend adapter.

web/normogen-web/src/test/mockStore.ts

@@ -0,0 +1,49 @@
+import { vi } from 'vitest';
+
+/**
+ * Test helper for mocking the zustand stores. Because the stores are co-located
+ * in one module (../store/useStore) and consumed both with and without a
+ * selector (`useAuthStore(s => s.user)` vs `useMedicationStore()`), the mock
+ * returns a function that accepts an optional selector.
+ *
+ * Usage in a test file:
+ *
+ *   vi.mock('../store/useStore', () => mockStoreFactory());
+ *   // then per test:
+ *   setMockStore({ useMedicationStore: { medications: [...], ... } });
+ *
+ * Each store's actions default to vi.fn() mocks; override them in setMockStore.
+ */
+export type StoreSlice = Record<string, unknown>;
+
+const state: Record<string, StoreSlice> = {};
+
+function makeHook(name: string) {
+  const fn = vi.fn((selector?: (s: StoreSlice) => unknown) =>
+    selector ? selector(state[name] ?? {}) : state[name] ?? {},
+  );
+  return fn;
+}
+
+export function mockStoreFactory() {
+  return {
+    useAuthStore: makeHook('useAuthStore'),
+    useMedicationStore: makeHook('useMedicationStore'),
+    useHealthStore: makeHook('useHealthStore'),
+    useInteractionStore: makeHook('useInteractionStore'),
+    useProfileStore: makeHook('useProfileStore'),
+  };
+}
+
+/** Set/override the state a store returns for the current test. */
+export function setMockStore(next: Record<string, StoreSlice>) {
+  for (const [name, slice] of Object.entries(next)) {
+    // Merge so callers can update one field without re-declaring actions.
+    state[name] = { ...state[name], ...slice };
+  }
+}
+
+/** Reset all mocked store state between tests. */
+export function resetMockStore() {
+  for (const key of Object.keys(state)) delete state[key];
+}