diff --git a/services/api-server/src/api_server/import_models.py b/services/api-server/src/api_server/import_models.py
new file mode 100644
index 0000000..84e578a
--- /dev/null
+++ b/services/api-server/src/api_server/import_models.py
@@ -0,0 +1,55 @@
+from __future__ import annotations
+
+from pydantic import BaseModel, Field
+
+from api_server.import_sync_models import ImportSyncPreview
+from api_server.normalized_project_models import NormalizedProjectSummary
+
+
+class SnapshotSummary(BaseModel):
+    snapshot_id: str
+    project_id: str
+    snapshot_hash: str | None
+    node_count: int
+    edge_count: int
+    diagnostics_count: int
+    unresolved_references_count: int
+
+
+class ImportSummary(BaseModel):
+    source: str
+    mode: str = "FULL_REPLACE"
+    applied: bool = True
+    status: str
+    last_import: str
+    source_path: str | None = None
+    runtime_mode: str = "mock"
+    runtime_diagnostics: list[str] = Field(default_factory=list)
+    errors: list[str] = Field(default_factory=list)
+    diagnostics_count: int = 0
+    diagnostics: list[str] = Field(default_factory=list)
+    object_count: int = 0
+    module_count: int = 0
+    form_count: int = 0
+    role_count: int = 0
+    extensions: list[str] = Field(default_factory=list)
+    platform_version: str | None = None
+    compatibility_mode: str | None = None
+    snapshot: SnapshotSummary | None = None
+    normalized_summary: NormalizedProjectSummary | None = None
+    sync_preview: ImportSyncPreview | None = None
+
+
+class IndexProjectResponse(BaseModel):
+    snapshot: SnapshotSummary
+
+
+class IncrementalFileResponse(BaseModel):
+    snapshot: SnapshotSummary
+    added_nodes: int
+    updated_nodes: int
+    removed_nodes: int
+    added_edges: int
+    removed_edges: int
+    neo4j_projected: bool = False
+    neo4j_error: str | None = None
diff --git a/services/api-server/src/api_server/main.py b/services/api-server/src/api_server/main.py
index 817a243..e5c9aa2 100644
--- a/services/api-server/src/api_server/main.py
+++ b/services/api-server/src/api_server/main.py
@@ -96,6 +96,12 @@ from api_server.html5_setup_controller import (
 )
 from api_server.import_quality_models import ImportQualityResponse
 from api_server.import_quality_service import import_quality_response as _build_import_quality_response
+from api_server.import_models import (
+    ImportSummary,
+    IncrementalFileResponse,
+    IndexProjectResponse,
+    SnapshotSummary,
+)
 from api_server.import_sync_models import ImportSyncPreview
 from api_server.import_sync_service import build_import_sync_preview as _build_import_sync_preview
 from api_server.metadata_tree_controller import (
@@ -925,30 +931,6 @@ class ImportRequest(BaseModel):
     mode: ImportMode = ImportMode.FULL_REPLACE
 
 
-class ImportSummary(BaseModel):
-    source: ImportSourceKind
-    mode: ImportMode = ImportMode.FULL_REPLACE
-    applied: bool = True
-    status: str
-    last_import: str
-    source_path: str | None = None
-    runtime_mode: str = "mock"
-    runtime_diagnostics: list[str] = Field(default_factory=list)
-    errors: list[str] = Field(default_factory=list)
-    diagnostics_count: int = 0
-    diagnostics: list[str] = Field(default_factory=list)
-    object_count: int = 0
-    module_count: int = 0
-    form_count: int = 0
-    role_count: int = 0
-    extensions: list[str] = Field(default_factory=list)
-    platform_version: str | None = None
-    compatibility_mode: str | None = None
-    snapshot: SnapshotSummary | None = None
-    normalized_summary: NormalizedProjectSummary | None = None
-    sync_preview: ImportSyncPreview | None = None
-
-
 class ProjectSetupResponse(BaseModel):
     project_id: str
     status: ProjectSetupStatus
@@ -964,31 +946,6 @@ class IncrementalFileRequest(BaseModel):
     path: str
 
 
-class SnapshotSummary(BaseModel):
-    snapshot_id: str
-    project_id: str
-    snapshot_hash: str | None
-    node_count: int
-    edge_count: int
-    diagnostics_count: int
-    unresolved_references_count: int
-
-
-class IndexProjectResponse(BaseModel):
-    snapshot: SnapshotSummary
-
-
-class IncrementalFileResponse(BaseModel):
-    snapshot: SnapshotSummary
-    added_nodes: int
-    updated_nodes: int
-    removed_nodes: int
-    added_edges: int
-    removed_edges: int
-    neo4j_projected: bool = False
-    neo4j_error: str | None = None
-
-
 class MetadataTypeSpecResponse(BaseModel):
     code: str
     russian_name: str