feat(workspace): per-user note pinning, real-time unlock synchronization, and icon-only share button

internal/storage/sqlite_test.go

@@ -164,6 +164,82 @@ func TestStoreLifecycle(t *testing.T) {
 	}
 }
 
+func TestPerUserDocPinning(t *testing.T) {
+	tmpDir := t.TempDir()
+	dbPath := filepath.Join(tmpDir, "pin_test.db")
+
+	store, err := NewStore(dbPath)
+	if err != nil {
+		t.Fatalf("NewStore failed: %v", err)
+	}
+	defer store.Close()
+
+	user1, _ := store.CreateUser("user1@example.com", "hash", "User 1", "admin")
+	user2, _ := store.CreateUser("user2@example.com", "hash", "User 2", "member")
+
+	// user1 creates document and pins it
+	doc, err := store.CreateDocument(user1.ID, "", "Doc 1", "📝", "", []domain.DocumentBlock{
+		{ID: "b1", Type: "text", Content: "Hello"},
+	}, []string{"test"}, true)
+	if err != nil {
+		t.Fatalf("CreateDocument failed: %v", err)
+	}
+	if !doc.IsPinned {
+		t.Fatalf("expected doc to be pinned for user1")
+	}
+
+	// Share with user2 as read-only
+	_, err = store.CreateDocShare(user1.ID, doc.ID, user2.ID, "read")
+	if err != nil {
+		t.Fatalf("CreateDocShare failed: %v", err)
+	}
+
+	// user2 reads document: should NOT be pinned for user2
+	docForUser2, err := store.GetDocumentByID(user2.ID, doc.ID)
+	if err != nil {
+		t.Fatalf("GetDocumentByID user2 failed: %v", err)
+	}
+	if docForUser2.IsPinned {
+		t.Fatalf("expected doc to NOT be pinned for user2 initially")
+	}
+
+	// user2 pins the shared document (even with read-only access)
+	pinTrue := true
+	updatedDoc2, err := store.UpdateDocument(user2.ID, doc.ID, nil, nil, nil, nil, nil, &pinTrue)
+	if err != nil {
+		t.Fatalf("user2 pinning read-only doc failed: %v", err)
+	}
+	if !updatedDoc2.IsPinned {
+		t.Fatalf("expected doc to be pinned for user2")
+	}
+
+	// Verify user1's doc is still pinned
+	docForUser1, err := store.GetDocumentByID(user1.ID, doc.ID)
+	if err != nil {
+		t.Fatalf("GetDocumentByID user1 failed: %v", err)
+	}
+	if !docForUser1.IsPinned {
+		t.Fatalf("expected doc to still be pinned for user1")
+	}
+
+	// user1 unpins the doc
+	pinFalse := false
+	_, err = store.UpdateDocument(user1.ID, doc.ID, nil, nil, nil, nil, nil, &pinFalse)
+	if err != nil {
+		t.Fatalf("user1 unpinning doc failed: %v", err)
+	}
+
+	// user1 doc is now unpinned, but user2 doc must STILL be pinned!
+	docForUser1, _ = store.GetDocumentByID(user1.ID, doc.ID)
+	if docForUser1.IsPinned {
+		t.Fatalf("expected doc to be unpinned for user1")
+	}
+	docForUser2, _ = store.GetDocumentByID(user2.ID, doc.ID)
+	if !docForUser2.IsPinned {
+		t.Fatalf("expected doc to remain pinned for user2")
+	}
+}
+
 func TestEnsureDemoAccountsAndLoginLookup(t *testing.T) {
 	tmpDir := t.TempDir()
 	dbPath := filepath.Join(tmpDir, "demo_test.db")