spike: add typed asset classification filters

Co-authored-by: Amp <amp@ampcode.com>
Amp-Thread-ID: https://ampcode.com/threads/T-019e5117-c707-729d-bf98-dce718fe64d5

alembic_db/versions/0004_add_asset_reference_classification.py

@@ -0,0 +1,31 @@
+"""
+Add persisted asset classification columns.
+
+Revision ID: 0004_add_asset_reference_classification
+Revises: 0003_add_metadata_job_id
+Create Date: 2026-05-29
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0004_add_asset_reference_classification"
+down_revision = "0003_add_metadata_job_id"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    with op.batch_alter_table("asset_references") as batch_op:
+        batch_op.add_column(sa.Column("asset_type", sa.String(length=32), nullable=True))
+        batch_op.add_column(sa.Column("model_folder", sa.String(length=512), nullable=True))
+        batch_op.create_index("ix_asset_references_asset_type", ["asset_type"])
+        batch_op.create_index("ix_asset_references_model_folder", ["model_folder"])
+
+
+def downgrade() -> None:
+    with op.batch_alter_table("asset_references") as batch_op:
+        batch_op.drop_index("ix_asset_references_model_folder")
+        batch_op.drop_index("ix_asset_references_asset_type")
+        batch_op.drop_column("model_folder")
+        batch_op.drop_column("asset_type")

app/assets/api/routes.py

@@ -10,7 +10,6 @@ from typing import Any
 from aiohttp import web
 from pydantic import ValidationError
 
-import folder_paths
 from app import user_manager
 from app.assets.api import schemas_in, schemas_out
 from app.assets.services import schemas
@@ -39,6 +38,10 @@ from app.assets.services import (
     update_asset_metadata,
     upload_from_temp_path,
 )
+from app.assets.services.path_utils import (
+    get_comfy_models_folders,
+    get_stored_asset_response_path_info,
+)
 from app.assets.services.tagging import list_tag_histogram
 
 ROUTES = web.RouteTableDef()
@@ -124,17 +127,36 @@ def _validate_sort_field(requested: str | None) -> str:
     return "created_at"
 
 
-def _build_preview_url_from_view(tags: list[str], user_metadata: dict[str, Any] | None) -> str | None:
+def _get_asset_path_info(
-    """Build a /api/view preview URL from asset tags and user_metadata filename."""
+    file_path: str | None,
+    asset_type: str | None,
+    model_folder: str | None,
+):
+    if not file_path or not asset_type:
+        return None
+    try:
+        return get_stored_asset_response_path_info(file_path, asset_type, model_folder)
+    except ValueError:
+        return None
+
+
+def _build_preview_url_from_view(
+    asset_type: str | None,
+    user_metadata: dict[str, Any] | None,
+    fallback_tags: list[str] | None = None,
+) -> str | None:
+    """Build a /api/view preview URL from path-derived type and filename metadata."""
     if not user_metadata:
         return None
     filename = user_metadata.get("filename")
     if not filename:
         return None
 
-    if "input" in tags:
+    if asset_type in {"input", "output"}:
+        view_type = asset_type
+    elif fallback_tags and "input" in fallback_tags:
         view_type = "input"
-    elif "output" in tags:
+    elif fallback_tags and "output" in fallback_tags:
         view_type = "output"
     else:
         return None
@@ -152,20 +174,54 @@ def _build_preview_url_from_view(tags: list[str], user_metadata: dict[str, Any]
 
 def _build_asset_response(result: schemas.AssetDetailResult | schemas.UploadResult) -> schemas_out.Asset:
     """Build an Asset response from a service result."""
+    path_info = _get_asset_path_info(
+        result.ref.file_path,
+        result.ref.asset_type,
+        result.ref.model_folder,
+    )
+
     if result.ref.preview_id:
         preview_detail = get_asset_detail(result.ref.preview_id)
         if preview_detail:
-            preview_url = _build_preview_url_from_view(preview_detail.tags, preview_detail.ref.user_metadata)
+            preview_path_info = _get_asset_path_info(
+                preview_detail.ref.file_path,
+                preview_detail.ref.asset_type,
+                preview_detail.ref.model_folder,
+            )
+            preview_url = _build_preview_url_from_view(
+                preview_path_info.asset_type if preview_path_info else None,
+                preview_detail.ref.user_metadata,
+                fallback_tags=preview_detail.tags,
+            )
         else:
             preview_url = None
     else:
-        preview_url = _build_preview_url_from_view(result.tags, result.ref.user_metadata)
+        preview_url = _build_preview_url_from_view(
+            path_info.asset_type if path_info else None,
+            result.ref.user_metadata,
+            fallback_tags=result.tags,
+        )
+
+    asset_type = None
+    model_folder = None
+    file_path = None
+    display_name = None
+    if path_info:
+        asset_type = path_info.asset_type
+        model_folder = path_info.model_folder
+        file_path = path_info.file_path
+        display_name = path_info.display_name
+
     return schemas_out.Asset(
         id=result.ref.id,
         name=result.ref.name,
+        file_path=file_path,
+        display_name=display_name,
         asset_hash=result.asset.hash if result.asset else None,
         size=int(result.asset.size_bytes) if result.asset else None,
         mime_type=result.asset.mime_type if result.asset else None,
+        model_folder=model_folder,
+        asset_type=asset_type,
         tags=result.tags,
         preview_url=preview_url,
         preview_id=result.ref.preview_id,
@@ -213,6 +269,8 @@ async def list_assets_route(request: web.Request) -> web.Response:
         owner_id=USER_MANAGER.get_request_user_id(request),
         include_tags=q.include_tags,
         exclude_tags=q.exclude_tags,
+        asset_type=q.asset_type,
+        model_folder=q.model_folder,
         name_contains=q.name_contains,
         metadata_filter=q.metadata_filter,
         limit=q.limit,
@@ -401,9 +459,10 @@ async def upload_asset(request: web.Request) -> web.Response:
         )
 
     if spec.tags and spec.tags[0] == "models":
+        model_folder_names = {name for name, _paths in get_comfy_models_folders()}
         if (
             len(spec.tags) < 2
-            or spec.tags[1] not in folder_paths.folder_names_and_paths
+            or spec.tags[1] not in model_folder_names
         ):
             delete_temp_file_if_exists(parsed.tmp_path)
             category = spec.tags[1] if len(spec.tags) >= 2 else ""

app/assets/api/schemas_in.py

@@ -52,6 +52,8 @@ class ParsedUpload:
 class ListAssetsQuery(BaseModel):
     include_tags: list[str] = Field(default_factory=list)
     exclude_tags: list[str] = Field(default_factory=list)
+    asset_type: Literal["model", "input", "output", "temp"] | None = None
+    model_folder: str | None = None
     name_contains: str | None = None
 
     # Accept either a JSON string (query param) or a dict
@@ -81,6 +83,20 @@ class ListAssetsQuery(BaseModel):
             return out
         return v
 
+    @field_validator("model_folder", mode="before")
+    @classmethod
+    def _normalize_model_folder(cls, v):
+        if v is None:
+            return None
+        s = str(v).strip()
+        return s or None
+
+    @model_validator(mode="after")
+    def _validate_path_filters(self):
+        if self.model_folder and self.asset_type != "model":
+            raise ValueError("model_folder can only be used with asset_type=model")
+        return self
+
     @field_validator("metadata_filter", mode="before")
     @classmethod
     def _parse_metadata_json(cls, v):
@@ -300,14 +316,23 @@ class UploadAssetSpec(BaseModel):
         else:
             return []
 
-        # normalize + dedupe
+        # Normalize the root tag, but preserve path/destination components. Tags
+        # are normalized again before storage; this parser also feeds upload
+        # destination routing where registered model folder names are exact.
+        normalized_items: list[str] = []
+        for index, item in enumerate(items):
+            stripped = str(item).strip()
+            if not stripped:
+                continue
+            normalized_items.append(stripped.lower() if index == 0 else stripped)
+
+        # Dedupe exact tokens while preserving order.
         norm = []
         seen = set()
-        for t in items:
+        for token in normalized_items:
-            tnorm = str(t).strip().lower()
+            if token not in seen:
-            if tnorm and tnorm not in seen:
+                seen.add(token)
-                seen.add(tnorm)
+                norm.append(token)
-                norm.append(tnorm)
         return norm
 
     @field_validator("user_metadata", mode="before")

app/assets/api/schemas_out.py

@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Any
+from typing import Any, Literal
 
 from pydantic import BaseModel, ConfigDict, Field, field_serializer
 
@@ -10,9 +10,22 @@ class Asset(BaseModel):
 
     id: str
     name: str
+    file_path: str | None = Field(
+        default=None,
+        description="Logical asset namespace path. Model assets use `models/<model_folder>/<relative_path>`; other typed assets use `<asset_type>/<relative_path>`. This is not a unique identity; use `id` for stable asset-reference operations.",
+    )
+    display_name: str | None = Field(
+        default=None,
+        description="Human-facing path below the matched asset root or model folder.",
+    )
     asset_hash: str | None = None
     size: int | None = None
     mime_type: str | None = None
+    model_folder: str | None = Field(
+        default=None,
+        description="Exact, case-sensitive registered ComfyUI model folder name. Present only when asset_type is `model`.",
+    )
+    asset_type: Literal["model", "input", "output", "temp"] | None = None
     tags: list[str] = Field(default_factory=list)
     preview_url: str | None = None
     preview_id: str | None = None  # references an asset_reference id, not an asset id

app/assets/database/models.py

@@ -76,6 +76,8 @@ class AssetReference(Base):
 
     # Cache state fields (from former AssetCacheState)
     file_path: Mapped[str | None] = mapped_column(Text, nullable=True)
+    asset_type: Mapped[str | None] = mapped_column(String(32), nullable=True)
+    model_folder: Mapped[str | None] = mapped_column(String(512), nullable=True)
     mtime_ns: Mapped[int | None] = mapped_column(BigInteger, nullable=True)
     needs_verify: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
     is_missing: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
@@ -144,6 +146,8 @@ class AssetReference(Base):
         Index("uq_asset_references_file_path", "file_path", unique=True),
         Index("ix_asset_references_asset_id", "asset_id"),
         Index("ix_asset_references_owner_id", "owner_id"),
+        Index("ix_asset_references_asset_type", "asset_type"),
+        Index("ix_asset_references_model_folder", "model_folder"),
         Index("ix_asset_references_name", "name"),
         Index("ix_asset_references_is_missing", "is_missing"),
         Index("ix_asset_references_enrichment_level", "enrichment_level"),

app/assets/database/queries/__init__.py

@@ -13,6 +13,7 @@ from app.assets.database.queries.asset_reference import (
     UnenrichedReferenceRow,
     bulk_insert_references_ignore_conflicts,
     bulk_update_enrichment_level,
+    bulk_update_reference_classification,
     count_active_siblings,
     bulk_update_is_missing,
     bulk_update_needs_verify,
@@ -82,6 +83,7 @@ __all__ = [
     "bulk_insert_references_ignore_conflicts",
     "bulk_insert_tags_and_meta",
     "bulk_update_enrichment_level",
+    "bulk_update_reference_classification",
     "count_active_siblings",
     "create_stub_asset",
     "bulk_update_is_missing",

app/assets/database/queries/asset_reference.py

@@ -24,6 +24,7 @@ from app.assets.database.models import (
 )
 from app.assets.database.queries.common import (
     MAX_BIND_PARAMS,
+    apply_asset_path_filters,
     apply_metadata_filter,
     apply_tag_filters,
     build_prefix_like_conditions,
@@ -166,6 +167,8 @@ def insert_reference(
     name: str,
     owner_id: str = "",
     file_path: str | None = None,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
     mtime_ns: int | None = None,
     preview_id: str | None = None,
 ) -> AssetReference | None:
@@ -178,6 +181,8 @@ def insert_reference(
                 name=name,
                 owner_id=owner_id,
                 file_path=file_path,
+                asset_type=asset_type,
+                model_folder=model_folder,
                 mtime_ns=mtime_ns,
                 preview_id=preview_id,
                 created_at=now,
@@ -197,6 +202,8 @@ def get_or_create_reference(
     name: str,
     owner_id: str = "",
     file_path: str | None = None,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
     mtime_ns: int | None = None,
     preview_id: str | None = None,
 ) -> tuple[AssetReference, bool]:
@@ -214,6 +221,8 @@ def get_or_create_reference(
         name=name,
         owner_id=owner_id,
         file_path=file_path,
+        asset_type=asset_type,
+        model_folder=model_folder,
         mtime_ns=mtime_ns,
         preview_id=preview_id,
     )
@@ -263,6 +272,8 @@ def list_references_page(
     name_contains: str | None = None,
     include_tags: Sequence[str] | None = None,
     exclude_tags: Sequence[str] | None = None,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
     metadata_filter: dict | None = None,
     sort: str | None = None,
     order: str | None = None,
@@ -285,6 +296,7 @@ def list_references_page(
         base = base.where(AssetReference.name.ilike(f"%{escaped}%", escape=esc))
 
     base = apply_tag_filters(base, include_tags, exclude_tags)
+    base = apply_asset_path_filters(base, asset_type=asset_type, model_folder=model_folder)
     base = apply_metadata_filter(base, metadata_filter)
 
     sort = (sort or "created_at").lower()
@@ -315,6 +327,9 @@ def list_references_page(
             AssetReference.name.ilike(f"%{escaped}%", escape=esc)
         )
     count_stmt = apply_tag_filters(count_stmt, include_tags, exclude_tags)
+    count_stmt = apply_asset_path_filters(
+        count_stmt, asset_type=asset_type, model_folder=model_folder
+    )
     count_stmt = apply_metadata_filter(count_stmt, metadata_filter)
 
     total = int(session.execute(count_stmt).scalar_one() or 0)
@@ -571,6 +586,8 @@ class CacheStateRow(NamedTuple):
     file_path: str
     mtime_ns: int | None
     needs_verify: bool
+    asset_type: str | None
+    model_folder: str | None
     asset_id: str
     asset_hash: str | None
     size_bytes: int | None
@@ -619,6 +636,8 @@ def upsert_reference(
     name: str,
     mtime_ns: int,
     owner_id: str = "",
+    asset_type: str | None = None,
+    model_folder: str | None = None,
 ) -> tuple[bool, bool]:
     """Upsert a reference by file_path. Returns (created, updated).
 
@@ -628,6 +647,8 @@ def upsert_reference(
     vals = {
         "asset_id": asset_id,
         "file_path": file_path,
+        "asset_type": asset_type,
+        "model_folder": model_folder,
         "name": name,
         "owner_id": owner_id,
         "mtime_ns": int(mtime_ns),
@@ -653,6 +674,8 @@ def upsert_reference(
         .where(
             sa.or_(
                 AssetReference.asset_id != asset_id,
+                AssetReference.asset_type.is_distinct_from(asset_type),
+                AssetReference.model_folder.is_distinct_from(model_folder),
                 AssetReference.mtime_ns.is_(None),
                 AssetReference.mtime_ns != int(mtime_ns),
                 AssetReference.is_missing == True,  # noqa: E712
@@ -660,8 +683,13 @@ def upsert_reference(
             )
         )
         .values(
-            asset_id=asset_id, mtime_ns=int(mtime_ns), is_missing=False,
+            asset_id=asset_id,
-            deleted_at=None, updated_at=now,
+            asset_type=asset_type,
+            model_folder=model_folder,
+            mtime_ns=int(mtime_ns),
+            is_missing=False,
+            deleted_at=None,
+            updated_at=now,
         )
     )
     res2 = session.execute(upd)
@@ -780,6 +808,8 @@ def get_references_for_prefixes(
             AssetReference.file_path,
             AssetReference.mtime_ns,
             AssetReference.needs_verify,
+            AssetReference.asset_type,
+            AssetReference.model_folder,
             AssetReference.asset_id,
             Asset.hash,
             Asset.size_bytes,
@@ -803,14 +833,39 @@ def get_references_for_prefixes(
             file_path=row[1],
             mtime_ns=row[2],
             needs_verify=row[3],
-            asset_id=row[4],
+            asset_type=row[4],
-            asset_hash=row[5],
+            model_folder=row[5],
-            size_bytes=int(row[6]) if row[6] is not None else None,
+            asset_id=row[6],
+            asset_hash=row[7],
+            size_bytes=int(row[8]) if row[8] is not None else None,
         )
         for row in rows
     ]
 
 
+def bulk_update_reference_classification(
+    session: Session,
+    updates: list[dict[str, str | None]],
+) -> int:
+    """Update persisted asset_type/model_folder for existing references."""
+    if not updates:
+        return 0
+
+    total = 0
+    for row in updates:
+        result = session.execute(
+            sa.update(AssetReference)
+            .where(AssetReference.id == row["reference_id"])
+            .values(
+                asset_type=row["asset_type"],
+                model_folder=row["model_folder"],
+                updated_at=get_utc_now(),
+            )
+        )
+        total += result.rowcount
+    return total
+
+
 def bulk_update_needs_verify(
     session: Session, reference_ids: list[str], value: bool
 ) -> int:
@@ -993,7 +1048,7 @@ def bulk_insert_references_ignore_conflicts(
     ins = sqlite.insert(AssetReference).on_conflict_do_nothing(
         index_elements=[AssetReference.file_path]
     )
-    for chunk in iter_chunks(enriched_rows, calculate_rows_per_statement(14)):
+    for chunk in iter_chunks(enriched_rows, calculate_rows_per_statement(16)):
         session.execute(ins, chunk)
 
 

app/assets/database/queries/common.py

@@ -8,7 +8,7 @@ import sqlalchemy as sa
 from sqlalchemy import exists
 
 from app.assets.database.models import AssetReference, AssetReferenceMeta, AssetReferenceTag
-from app.assets.helpers import escape_sql_like_string, normalize_tags
+from app.assets.helpers import normalize_tags
 
 MAX_BIND_PARAMS = 800
 
@@ -45,17 +45,34 @@ def build_visible_owner_clause(owner_id: str) -> sa.sql.ClauseElement:
 def build_prefix_like_conditions(
     prefixes: list[str],
 ) -> list[sa.sql.ColumnElement]:
-    """Build LIKE conditions for matching file paths under directory prefixes."""
+    """Build case-exact conditions for matching file paths under directory prefixes."""
     conds = []
     for p in prefixes:
         base = os.path.abspath(p)
         if not base.endswith(os.sep):
             base += os.sep
-        escaped, esc = escape_sql_like_string(base)
+        conds.append(sa.func.substr(AssetReference.file_path, 1, len(base)) == base)
-        conds.append(AssetReference.file_path.like(escaped + "%", escape=esc))
     return conds
 
 
+def apply_asset_path_filters(
+    stmt: sa.sql.Select,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
+) -> sa.sql.Select:
+    """Filter references using classification persisted at ingest time."""
+    if asset_type is None and model_folder is None:
+        return stmt
+    if model_folder and asset_type != "model":
+        raise ValueError("model_folder can only be used with asset_type=model")
+
+    if asset_type is not None:
+        stmt = stmt.where(AssetReference.asset_type == asset_type)
+    if model_folder is not None:
+        stmt = stmt.where(AssetReference.model_folder == model_folder)
+    return stmt
+
+
 def apply_tag_filters(
     stmt: sa.sql.Select,
     include_tags: Sequence[str] | None = None,

app/assets/scanner.py

@@ -9,6 +9,7 @@ from app.assets.database.queries import (
     bulk_update_enrichment_level,
     bulk_update_is_missing,
     bulk_update_needs_verify,
+    bulk_update_reference_classification,
     delete_orphaned_seed_asset,
     delete_references_by_ids,
     ensure_tags_exist,
@@ -36,6 +37,7 @@ from app.assets.services.hashing import HashCheckpoint, compute_blake3_hash
 from app.assets.services.metadata_extract import extract_file_metadata
 from app.assets.services.path_utils import (
     compute_relative_filename,
+    get_asset_path_info,
     get_comfy_models_folders,
     get_name_and_tags_from_asset_path,
 )
@@ -48,6 +50,8 @@ class _RefInfo(TypedDict):
     exists: bool
     stat_unchanged: bool
     needs_verify: bool
+    asset_type: str | None
+    model_folder: str | None
 
 
 class _AssetAccumulator(TypedDict):
@@ -56,7 +60,7 @@ class _AssetAccumulator(TypedDict):
     refs: list[_RefInfo]
 
 
-RootType = Literal["models", "input", "output"]
+RootType = Literal["models", "input", "output", "temp"]
 
 
 def get_prefixes_for_root(root: RootType) -> list[str]:
@@ -69,12 +73,14 @@ def get_prefixes_for_root(root: RootType) -> list[str]:
         return [os.path.abspath(folder_paths.get_input_directory())]
     if root == "output":
         return [os.path.abspath(folder_paths.get_output_directory())]
+    if root == "temp":
+        return [os.path.abspath(folder_paths.get_temp_directory())]
     return []
 
 
 def get_all_known_prefixes() -> list[str]:
     """Get all known asset prefixes across all root types."""
-    all_roots: tuple[RootType, ...] = ("models", "input", "output")
+    all_roots: tuple[RootType, ...] = ("models", "input", "output", "temp")
     return [p for root in all_roots for p in get_prefixes_for_root(root)]
 
 
@@ -162,6 +168,8 @@ def sync_references_with_filesystem(
                 "exists": exists,
                 "stat_unchanged": stat_unchanged,
                 "needs_verify": row.needs_verify,
+                "asset_type": row.asset_type,
+                "model_folder": row.model_folder,
             }
         )
 
@@ -170,6 +178,7 @@ def sync_references_with_filesystem(
     stale_ref_ids: list[str] = []
     to_mark_missing: list[str] = []
     to_clear_missing: list[str] = []
+    classification_updates: list[dict[str, str | None]] = []
     survivors: set[str] = set()
 
     for aid, acc in by_asset.items():
@@ -182,6 +191,21 @@ def sync_references_with_filesystem(
             if not r["exists"]:
                 to_mark_missing.append(r["ref_id"])
                 continue
+            try:
+                path_info = get_asset_path_info(r["file_path"])
+                asset_type = path_info.asset_type
+                model_folder = path_info.model_folder
+            except ValueError:
+                asset_type = None
+                model_folder = None
+            if asset_type != r["asset_type"] or model_folder != r["model_folder"]:
+                classification_updates.append(
+                    {
+                        "reference_id": r["ref_id"],
+                        "asset_type": asset_type,
+                        "model_folder": model_folder,
+                    }
+                )
             if r["stat_unchanged"]:
                 to_clear_missing.append(r["ref_id"])
                 if r["needs_verify"]:
@@ -226,6 +250,7 @@ def sync_references_with_filesystem(
     bulk_update_is_missing(session, to_clear_missing, value=False)
     bulk_update_needs_verify(session, to_set_verify, value=True)
     bulk_update_needs_verify(session, to_clear_verify, value=False)
+    bulk_update_reference_classification(session, classification_updates)
 
     return survivors if collect_existing_paths else None
 
@@ -274,7 +299,18 @@ def collect_paths_for_roots(roots: tuple[RootType, ...]) -> list[str]:
         paths.extend(list_files_recursively(folder_paths.get_input_directory()))
     if "output" in roots:
         paths.extend(list_files_recursively(folder_paths.get_output_directory()))
-    return paths
+    if "temp" in roots:
+        paths.extend(list_files_recursively(folder_paths.get_temp_directory()))
+
+    deduped: list[str] = []
+    seen: set[str] = set()
+    for path in paths:
+        abs_path = os.path.abspath(path)
+        if abs_path in seen:
+            continue
+        seen.add(abs_path)
+        deduped.append(abs_path)
+    return deduped
 
 
 def build_asset_specs(

app/assets/services/asset_management.py

@@ -246,6 +246,8 @@ def list_assets_page(
     owner_id: str = "",
     include_tags: Sequence[str] | None = None,
     exclude_tags: Sequence[str] | None = None,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
     name_contains: str | None = None,
     metadata_filter: dict | None = None,
     limit: int = 20,
@@ -259,6 +261,8 @@ def list_assets_page(
             owner_id=owner_id,
             include_tags=include_tags,
             exclude_tags=exclude_tags,
+            asset_type=asset_type,
+            model_folder=model_folder,
             name_contains=name_contains,
             metadata_filter=metadata_filter,
             limit=limit,

app/assets/services/bulk_ingest.py

@@ -20,6 +20,7 @@ from app.assets.database.queries import (
     restore_references_by_paths,
 )
 from app.assets.helpers import get_utc_now
+from app.assets.services.path_utils import get_asset_path_info
 
 if TYPE_CHECKING:
     from app.assets.services.metadata_extract import ExtractedMetadata
@@ -56,6 +57,8 @@ class ReferenceRow(TypedDict):
     id: str
     asset_id: str
     file_path: str
+    asset_type: str | None
+    model_folder: str | None
     mtime_ns: int
     owner_id: str
     name: str
@@ -125,6 +128,18 @@ def batch_insert_seed_assets(
     if not specs:
         return BulkInsertResult(inserted_refs=0, won_paths=0, lost_paths=0)
 
+    deduped_specs: list[SeedAssetSpec] = []
+    seen_paths: set[str] = set()
+    for spec in specs:
+        absolute_path = os.path.abspath(spec["abs_path"])
+        if absolute_path in seen_paths:
+            continue
+        seen_paths.add(absolute_path)
+        deduped_specs.append(spec)
+    specs = deduped_specs
+    if not specs:
+        return BulkInsertResult(inserted_refs=0, won_paths=0, lost_paths=0)
+
     current_time = get_utc_now()
     asset_rows: list[AssetRow] = []
     reference_rows: list[ReferenceRow] = []
@@ -140,6 +155,13 @@ def batch_insert_seed_assets(
         path_to_asset_id[absolute_path] = asset_id
 
         mime_type = spec.get("mime_type")
+        try:
+            path_info = get_asset_path_info(absolute_path)
+            asset_type = path_info.asset_type
+            model_folder = path_info.model_folder
+        except ValueError:
+            asset_type = None
+            model_folder = None
         asset_rows.append(
             {
                 "id": asset_id,
@@ -164,6 +186,8 @@ def batch_insert_seed_assets(
                 "id": reference_id,
                 "asset_id": asset_id,
                 "file_path": absolute_path,
+                "asset_type": asset_type,
+                "model_folder": model_folder,
                 "mtime_ns": spec["mtime_ns"],
                 "owner_id": owner_id,
                 "name": spec["info_name"],

app/assets/services/ingest.py

@@ -31,6 +31,7 @@ from app.assets.services.bulk_ingest import batch_insert_seed_assets
 from app.assets.services.file_utils import get_size_and_mtime_ns
 from app.assets.services.path_utils import (
     compute_relative_filename,
+    get_asset_path_info,
     get_name_and_tags_from_asset_path,
     resolve_destination_from_tags,
     validate_path_within_base,
@@ -70,6 +71,14 @@ def _ingest_file_from_path(
     reference_id: str | None = None
 
     with create_session() as session:
+        try:
+            path_info = get_asset_path_info(locator)
+            asset_type = path_info.asset_type
+            model_folder = path_info.model_folder
+        except ValueError:
+            asset_type = None
+            model_folder = None
+
         if preview_id:
             if not reference_exists(session, preview_id):
                 preview_id = None
@@ -88,6 +97,8 @@ def _ingest_file_from_path(
             name=info_name or os.path.basename(locator),
             mtime_ns=mtime_ns,
             owner_id=owner_id,
+            asset_type=asset_type,
+            model_folder=model_folder,
         )
 
         # Get the reference we just created/updated
@@ -186,6 +197,13 @@ def ingest_existing_file(
             now = get_utc_now()
             existing_ref.mtime_ns = mtime_ns
             existing_ref.job_id = job_id
+            try:
+                path_info = get_asset_path_info(locator)
+                existing_ref.asset_type = path_info.asset_type
+                existing_ref.model_folder = path_info.model_folder
+            except ValueError:
+                existing_ref.asset_type = None
+                existing_ref.model_folder = None
             existing_ref.is_missing = False
             existing_ref.deleted_at = None
             existing_ref.updated_at = now

app/assets/services/path_utils.py

@@ -1,4 +1,5 @@
 import os
+from dataclasses import dataclass
 from pathlib import Path
 from typing import Literal
 
@@ -6,7 +7,29 @@ import folder_paths
 from app.assets.helpers import normalize_tags
 
 
-_NON_MODEL_FOLDER_NAMES = frozenset({"custom_nodes"})
+# These names are bootstrapped into folder_names_and_paths by core but are not
+# model folders (matching /api/experiment/models' exclusion). Intentionally
+# duplicated here so the assets layer stays decoupled from the legacy
+# model-manager code it will eventually replace.
+_NON_MODEL_FOLDER_NAMES = frozenset({"configs", "custom_nodes"})
+
+
+@dataclass(frozen=True)
+class AssetPathInfo:
+    asset_type: Literal["input", "output", "temp", "model"]
+    model_folder: str | None
+
+
+@dataclass(frozen=True)
+class AssetResponsePathInfo(AssetPathInfo):
+    file_path: str
+    display_name: str | None
+
+
+@dataclass(frozen=True)
+class AssetPathContext(AssetPathInfo):
+    base_path: str
+    relative_path: str
 
 
 def get_comfy_models_folders() -> list[tuple[str, list[str]]]:
@@ -14,7 +37,7 @@ def get_comfy_models_folders() -> list[tuple[str, list[str]]]:
 
     Includes every category registered in folder_names_and_paths,
     regardless of whether its paths are under the main models_dir,
-    but excludes non-model entries like custom_nodes.
+    but excludes non-model entries like configs and custom_nodes.
     """
     targets: list[tuple[str, list[str]]] = []
     for name, values in folder_paths.folder_names_and_paths.items():
@@ -67,28 +90,109 @@ def validate_path_within_base(candidate: str, base: str) -> None:
 
 def compute_relative_filename(file_path: str) -> str | None:
     """
-    Return the model's path relative to the last well-known folder (the model category),
+    Return the path relative to the matched asset root or model folder, using
-    using forward slashes, eg:
+    forward slashes, eg:
       /.../models/checkpoints/flux/123/flux.safetensors -> "flux/123/flux.safetensors"
       /.../models/text_encoders/clip_g.safetensors -> "clip_g.safetensors"
+      /.../input/sub/image.png -> "sub/image.png"
 
-    For non-model paths, returns None.
+    For unknown paths, returns None.
     """
     try:
-        root_category, rel_path = get_asset_category_and_relative_path(file_path)
+        context = resolve_asset_path_context(file_path)
     except ValueError:
         return None
 
-    p = Path(rel_path)
+    return _normalize_relative_path(context.relative_path)
-    parts = [seg for seg in p.parts if seg not in (".", "..", p.anchor)]
+
+
+def _normalize_relative_path(relative_path: str) -> str | None:
+    parts = [
+        seg
+        for seg in Path(relative_path).parts
+        if seg not in (".", "..", Path(relative_path).anchor)
+    ]
     if not parts:
         return None
 
-    if root_category == "models":
+    return "/".join(parts)
-        # parts[0] is the category ("checkpoints", "vae", etc) – drop it
+
-        inside = parts[1:] if len(parts) > 1 else [parts[0]]
+
-        return "/".join(inside)
+def resolve_asset_path_context(file_path: str) -> AssetPathContext:
-    return "/".join(parts)  # input/output: keep all parts
+    """Resolve a path against Core's asset roots and model-folder registration.
+
+    This is the source of truth for path-derived asset classification. For
+    model assets, ``model_folder`` is the exact registered folder name whose
+    base path contains the file, and ``relative_path`` is relative to that
+    matched base path. When multiple registered bases contain the file, the
+    deepest base wins.
+    """
+    fp_abs = os.path.abspath(file_path)
+
+    def _check_is_within(child: str, parent: str) -> bool:
+        return Path(child).is_relative_to(parent)
+
+    def _compute_relative(child: str, parent: str) -> str:
+        # Normalize relative path, stripping any leading ".." components
+        # by anchoring to root (os.sep) then computing relpath back from it.
+        return os.path.relpath(
+            os.path.join(os.sep, os.path.relpath(child, parent)), os.sep
+        )
+
+    best: tuple[int, str, str, str] | None = None
+    for model_folder, bases in get_comfy_models_folders():
+        for base in bases:
+            base_abs = os.path.abspath(base)
+            if not _check_is_within(fp_abs, base_abs):
+                continue
+            cand = (
+                len(base_abs),
+                model_folder,
+                base_abs,
+                _compute_relative(fp_abs, base_abs),
+            )
+            if best is None or cand[0] > best[0]:
+                best = cand
+
+    if best is not None:
+        _, model_folder, base_path, relative_path = best
+        return AssetPathContext(
+            asset_type="model",
+            model_folder=model_folder,
+            base_path=base_path,
+            relative_path=relative_path,
+        )
+
+    input_base = os.path.abspath(folder_paths.get_input_directory())
+    if _check_is_within(fp_abs, input_base):
+        return AssetPathContext(
+            asset_type="input",
+            model_folder=None,
+            base_path=input_base,
+            relative_path=_compute_relative(fp_abs, input_base),
+        )
+
+    output_base = os.path.abspath(folder_paths.get_output_directory())
+    if _check_is_within(fp_abs, output_base):
+        return AssetPathContext(
+            asset_type="output",
+            model_folder=None,
+            base_path=output_base,
+            relative_path=_compute_relative(fp_abs, output_base),
+        )
+
+    temp_base = os.path.abspath(folder_paths.get_temp_directory())
+    if _check_is_within(fp_abs, temp_base):
+        return AssetPathContext(
+            asset_type="temp",
+            model_folder=None,
+            base_path=temp_base,
+            relative_path=_compute_relative(fp_abs, temp_base),
+        )
+
+    raise ValueError(
+        f"Path is not within input, output, temp, or configured model bases: {file_path}"
+    )
 
 
 def get_asset_category_and_relative_path(
@@ -120,42 +224,164 @@ def get_asset_category_and_relative_path(
             os.path.join(os.sep, os.path.relpath(child, parent)), os.sep
         )
 
-    # 1) input
     input_base = os.path.abspath(folder_paths.get_input_directory())
     if _check_is_within(fp_abs, input_base):
         return "input", _compute_relative(fp_abs, input_base)
 
-    # 2) output
     output_base = os.path.abspath(folder_paths.get_output_directory())
     if _check_is_within(fp_abs, output_base):
         return "output", _compute_relative(fp_abs, output_base)
 
-    # 3) temp
     temp_base = os.path.abspath(folder_paths.get_temp_directory())
     if _check_is_within(fp_abs, temp_base):
         return "temp", _compute_relative(fp_abs, temp_base)
 
-    # 4) models (check deepest matching base to avoid ambiguity)
+    best: tuple[int, str, str] | None = None
-    best: tuple[int, str, str] | None = None  # (base_len, bucket, rel_inside_bucket)
+    for model_folder, bases in get_comfy_models_folders():
-    for bucket, bases in get_comfy_models_folders():
+        for base in bases:
-        for b in bases:
+            base_abs = os.path.abspath(base)
-            base_abs = os.path.abspath(b)
             if not _check_is_within(fp_abs, base_abs):
                 continue
-            cand = (len(base_abs), bucket, _compute_relative(fp_abs, base_abs))
+            relative_path = _compute_relative(fp_abs, base_abs)
+            combined = os.path.join(model_folder, relative_path)
+            cand = (len(base_abs), base_abs, combined)
             if best is None or cand[0] > best[0]:
                 best = cand
 
     if best is not None:
-        _, bucket, rel_inside = best
+        return "models", os.path.relpath(os.path.join(os.sep, best[2]), os.sep)
-        combined = os.path.join(bucket, rel_inside)
-        return "models", os.path.relpath(os.path.join(os.sep, combined), os.sep)
 
     raise ValueError(
         f"Path is not within input, output, temp, or configured model bases: {file_path}"
     )
 
 
+def get_asset_path_info(file_path: str) -> AssetPathInfo:
+    """Return typed asset classification derived from the actual filesystem path.
+
+    This intentionally reads the ComfyUI model folder registration from
+    ``folder_paths.folder_names_and_paths`` instead of inferring it from tags.
+    For model files, ``model_folder`` is the registered folder name whose base
+    path contains ``file_path``.
+
+    Raises:
+        ValueError: path does not belong to any known root.
+    """
+    context = resolve_asset_path_context(file_path)
+    return AssetPathInfo(
+        asset_type=context.asset_type,
+        model_folder=context.model_folder,
+    )
+
+
+def get_asset_response_path_info(file_path: str) -> AssetResponsePathInfo:
+    """Return API-facing path fields derived from the actual filesystem path.
+
+    ``file_path`` is a logical namespace key: ``models/<model_folder>/<relative>``
+    for model assets and ``<asset_type>/<relative>`` for input/output/temp assets.
+    ``display_name`` is the path below the matched root or model folder.
+
+    Raises:
+        ValueError: path does not belong to any known root.
+    """
+    context = resolve_asset_path_context(file_path)
+    display_name = _normalize_relative_path(context.relative_path)
+
+    if context.asset_type == "model":
+        logical_file_path = (
+            f"models/{context.model_folder}/{display_name}"
+            if display_name
+            else f"models/{context.model_folder}"
+        )
+    else:
+        logical_file_path = (
+            f"{context.asset_type}/{display_name}"
+            if display_name
+            else context.asset_type
+        )
+
+    return AssetResponsePathInfo(
+        asset_type=context.asset_type,
+        model_folder=context.model_folder,
+        file_path=logical_file_path,
+        display_name=display_name,
+    )
+
+
+def get_stored_asset_response_path_info(
+    file_path: str,
+    asset_type: str | None,
+    model_folder: str | None,
+) -> AssetResponsePathInfo:
+    """Return API-facing path fields from persisted classification.
+
+    ``asset_type`` and ``model_folder`` are written at ingest time and are the
+    classification source of truth for API responses. The physical ``file_path``
+    is still used to compute the display path below the stored root.
+    """
+    if asset_type not in {"input", "output", "temp", "model"}:
+        raise ValueError(f"unknown persisted asset_type: {asset_type}")
+
+    fp_abs = os.path.abspath(file_path)
+
+    def _check_is_within(child: str, parent: str) -> bool:
+        return Path(child).is_relative_to(parent)
+
+    def _compute_relative(child: str, parent: str) -> str:
+        return os.path.relpath(
+            os.path.join(os.sep, os.path.relpath(child, parent)), os.sep
+        )
+
+    if asset_type == "model":
+        if not model_folder:
+            raise ValueError("model asset is missing persisted model_folder")
+        best: tuple[int, str] | None = None
+        for folder_name, bases in get_comfy_models_folders():
+            if folder_name != model_folder:
+                continue
+            for base in bases:
+                base_abs = os.path.abspath(base)
+                if not _check_is_within(fp_abs, base_abs):
+                    continue
+                relative_path = _compute_relative(fp_abs, base_abs)
+                cand = (len(base_abs), relative_path)
+                if best is None or cand[0] > best[0]:
+                    best = cand
+        if best is None:
+            raise ValueError(
+                f"Path is not within persisted model folder roots: {file_path}"
+            )
+        display_name = _normalize_relative_path(best[1])
+        logical_file_path = (
+            f"models/{model_folder}/{display_name}"
+            if display_name
+            else f"models/{model_folder}"
+        )
+        return AssetResponsePathInfo(
+            asset_type="model",
+            model_folder=model_folder,
+            file_path=logical_file_path,
+            display_name=display_name,
+        )
+
+    root_by_type = {
+        "input": folder_paths.get_input_directory,
+        "output": folder_paths.get_output_directory,
+        "temp": folder_paths.get_temp_directory,
+    }
+    root = os.path.abspath(root_by_type[asset_type]())
+    if not _check_is_within(fp_abs, root):
+        raise ValueError(f"Path is not within persisted asset root: {file_path}")
+    display_name = _normalize_relative_path(_compute_relative(fp_abs, root))
+    logical_file_path = f"{asset_type}/{display_name}" if display_name else asset_type
+    return AssetResponsePathInfo(
+        asset_type=asset_type,
+        model_folder=None,
+        file_path=logical_file_path,
+        display_name=display_name,
+    )
+
+
 def get_name_and_tags_from_asset_path(file_path: str) -> tuple[str, list[str]]:
     """Return (name, tags) derived from a filesystem path.
 

app/assets/services/schemas.py

@@ -21,6 +21,8 @@ class ReferenceData:
     id: str
     name: str
     file_path: str | None
+    asset_type: str | None
+    model_folder: str | None
     user_metadata: UserMetadata
     preview_id: str | None
     created_at: datetime
@@ -93,6 +95,8 @@ def extract_reference_data(ref: AssetReference) -> ReferenceData:
         id=ref.id,
         name=ref.name,
         file_path=ref.file_path,
+        asset_type=ref.asset_type,
+        model_folder=ref.model_folder,
         user_metadata=ref.user_metadata,
         preview_id=ref.preview_id,
         system_metadata=ref.system_metadata,

openapi.yaml

@@ -1511,7 +1511,7 @@ paths:
           in: query
           schema:
             type: integer
-            default: 50
+            default: 20
         - name: offset
           in: query
           schema:
@@ -1535,6 +1535,17 @@ paths:
           style: form
           explode: true
           description: Tags that assets must not have
+        - name: asset_type
+          in: query
+          schema:
+            type: string
+            enum: [model, input, output, temp]
+          description: Filter by path-derived asset type. Model classification is based on registered ComfyUI model folder roots, not tags.
+        - name: model_folder
+          in: query
+          schema:
+            type: string
+          description: Filter model assets by exact registered ComfyUI model folder name. Requires asset_type=model.
         - name: name_contains
           in: query
           schema:
@@ -6607,10 +6618,23 @@ components:
         id:
           type: string
           format: uuid
-          description: Unique identifier for the asset
+          description: AssetReference ID. Use this as the stable identity; logical file_path is not unique.
         name:
           type: string
           description: Name of the asset file
+        file_path:
+          type: string
+          description: Logical asset namespace path. Model assets use `models/<model_folder>/<relative_path>`; input/output/temp assets use `<asset_type>/<relative_path>`. Omitted when the asset has no resolvable filesystem path. Not unique; use `id` for stable asset-reference operations.
+        display_name:
+          type: string
+          description: Human-facing path below the matched asset root or model folder. Omitted when the asset has no resolvable filesystem path.
+        asset_type:
+          type: string
+          enum: [model, input, output, temp]
+          description: Path-derived asset type. Model classification is based on registered ComfyUI model folder roots, not tags. Omitted when the asset has no resolvable filesystem path.
+        model_folder:
+          type: string
+          description: Exact, case-sensitive registered ComfyUI model folder name for model assets. Present only when asset_type is `model`.
         hash:
           type: string
           nullable: true

tests-unit/assets_test/queries/test_asset_info.py

@@ -1,8 +1,12 @@
 import time
 import uuid
+from pathlib import Path
+
 import pytest
 from sqlalchemy.orm import Session
 
+from app.assets.api import schemas_in
+from app.assets.api.routes import _build_asset_response
 from app.assets.database.models import Asset, AssetReference, AssetReferenceMeta
 from app.assets.database.queries import (
     reference_exists_for_asset_id,
@@ -23,6 +27,40 @@ from app.assets.database.queries import (
     add_tags_to_reference,
 )
 from app.assets.helpers import get_utc_now
+from app.assets.services import schemas
+
+
+class TestListAssetsQueryPathFilters:
+    def test_model_folder_requires_model_asset_type(self):
+        with pytest.raises(ValueError, match="model_folder can only be used"):
+            schemas_in.ListAssetsQuery.model_validate({"model_folder": "checkpoints"})
+
+    def test_model_folder_accepts_explicit_model_asset_type(self):
+        query = schemas_in.ListAssetsQuery.model_validate(
+            {"asset_type": "model", "model_folder": "checkpoints"}
+        )
+
+        assert query.asset_type == "model"
+        assert query.model_folder == "checkpoints"
+
+    def test_model_folder_rejects_non_model_asset_type(self):
+        with pytest.raises(ValueError, match="model_folder can only be used"):
+            schemas_in.ListAssetsQuery.model_validate(
+                {"asset_type": "input", "model_folder": "checkpoints"}
+            )
+
+    def test_query_layer_rejects_model_folder_without_model_asset_type(
+        self, session: Session
+    ):
+        with pytest.raises(ValueError, match="model_folder can only be used"):
+            list_references_page(session, model_folder="checkpoints")
+
+    def test_upload_tags_preserve_model_folder_case_for_destination(self):
+        spec = schemas_in.UploadAssetSpec.model_validate(
+            {"tags": ['["models", "LLM", "SubDir"]']}
+        )
+
+        assert spec.tags == ["models", "LLM", "SubDir"]
 
 
 def _make_asset(session: Session, hash_val: str | None = None, size: int = 1024) -> Asset:
@@ -37,12 +75,18 @@ def _make_reference(
     asset: Asset,
     name: str = "test",
     owner_id: str = "",
+    file_path: str | None = None,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
 ) -> AssetReference:
     now = get_utc_now()
     ref = AssetReference(
         owner_id=owner_id,
         name=name,
         asset_id=asset.id,
+        file_path=file_path,
+        asset_type=asset_type,
+        model_folder=model_folder,
         created_at=now,
         updated_at=now,
         last_access_time=now,
@@ -52,6 +96,130 @@ def _make_reference(
     return ref
 
 
+def _reference_data(
+    *,
+    name: str,
+    file_path: str | None,
+    asset_type: str | None = None,
+    model_folder: str | None = None,
+) -> schemas.ReferenceData:
+    now = get_utc_now()
+    return schemas.ReferenceData(
+        id=str(uuid.uuid4()),
+        name=name,
+        file_path=file_path,
+        asset_type=asset_type,
+        model_folder=model_folder,
+        user_metadata={},
+        preview_id=None,
+        created_at=now,
+        updated_at=now,
+        last_access_time=now,
+    )
+
+
+def _asset_detail_result(ref: schemas.ReferenceData) -> schemas.AssetDetailResult:
+    return schemas.AssetDetailResult(
+        ref=ref,
+        asset=schemas.AssetData(
+            hash="blake3:" + "a" * 64,
+            size_bytes=123,
+            mime_type="application/octet-stream",
+        ),
+        tags=[],
+    )
+
+
+class TestBuildAssetResponsePathFields:
+    def test_model_response_fields_use_persisted_classification(
+        self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch
+    ):
+        checkpoint_dir = tmp_path / "models" / "checkpoints"
+        checkpoint_dir.mkdir(parents=True)
+        model_path = checkpoint_dir / "sub" / "model.safetensors"
+        model_path.parent.mkdir()
+        model_path.write_text("data")
+        monkeypatch.setattr(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            lambda: [("checkpoints", [str(checkpoint_dir)])],
+        )
+
+        asset = _build_asset_response(
+            _asset_detail_result(
+                _reference_data(
+                    name="model.safetensors",
+                    file_path=str(model_path),
+                    asset_type="model",
+                    model_folder="checkpoints",
+                )
+            )
+        )
+
+        assert asset.asset_type == "model"
+        assert asset.model_folder == "checkpoints"
+        assert asset.display_name == "sub/model.safetensors"
+        assert asset.file_path == "models/checkpoints/sub/model.safetensors"
+
+    def test_input_output_response_fields_use_persisted_classification(
+        self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch
+    ):
+        input_dir = tmp_path / "input"
+        output_dir = tmp_path / "output"
+        input_dir.mkdir()
+        output_dir.mkdir()
+        input_path = input_dir / "sub" / "image.png"
+        output_path = output_dir / "result.png"
+        input_path.parent.mkdir()
+        input_path.write_text("input")
+        output_path.write_text("output")
+        monkeypatch.setattr(
+            "app.assets.services.path_utils.folder_paths.get_input_directory",
+            lambda: str(input_dir),
+        )
+        monkeypatch.setattr(
+            "app.assets.services.path_utils.folder_paths.get_output_directory",
+            lambda: str(output_dir),
+        )
+
+        input_asset = _build_asset_response(
+            _asset_detail_result(
+                _reference_data(
+                    name="image.png",
+                    file_path=str(input_path),
+                    asset_type="input",
+                )
+            )
+        )
+        output_asset = _build_asset_response(
+            _asset_detail_result(
+                _reference_data(
+                    name="result.png",
+                    file_path=str(output_path),
+                    asset_type="output",
+                )
+            )
+        )
+
+        assert input_asset.asset_type == "input"
+        assert input_asset.model_folder is None
+        assert input_asset.display_name == "sub/image.png"
+        assert input_asset.file_path == "input/sub/image.png"
+        assert output_asset.asset_type == "output"
+        assert output_asset.model_folder is None
+        assert output_asset.display_name == "result.png"
+        assert output_asset.file_path == "output/result.png"
+
+    def test_pathless_response_omits_typed_path_fields(self):
+        asset = _build_asset_response(
+            _asset_detail_result(_reference_data(name="manual", file_path=None))
+        )
+
+        assert asset.asset_type is None
+        assert asset.model_folder is None
+        assert asset.display_name is None
+        assert asset.file_path is None
+
+
 class TestReferenceExistsForAssetId:
     def test_returns_false_when_no_reference(self, session: Session):
         asset = _make_asset(session, "hash1")
@@ -145,6 +313,439 @@ class TestListReferencesPage:
         assert total == 1
         assert refs[0].name == "keep"
 
+    def test_model_folder_filter_uses_registered_paths(self, session: Session, tmp_path: Path):
+        checkpoints_dir = tmp_path / "models" / "checkpoints"
+        loras_dir = tmp_path / "models" / "loras"
+        checkpoints_dir.mkdir(parents=True)
+        loras_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        checkpoint = _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(checkpoints_dir / "model.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="lora",
+            file_path=str(loras_dir / "model.safetensors"),
+            asset_type="model",
+            model_folder="loras",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="checkpoints"
+        )
+
+        assert total == 1
+        assert refs[0].id == checkpoint.id
+
+    def test_model_folder_filter_includes_all_registered_roots_for_folder(
+        self, session: Session, tmp_path: Path
+    ):
+        checkpoints_a = tmp_path / "root_a" / "checkpoints"
+        checkpoints_b = tmp_path / "root_b" / "checkpoints"
+        checkpoints_a.mkdir(parents=True)
+        checkpoints_b.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        ref_a = _make_reference(
+            session,
+            asset,
+            name="checkpoint-a",
+            file_path=str(checkpoints_a / "a.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        ref_b = _make_reference(
+            session,
+            asset,
+            name="checkpoint-b",
+            file_path=str(checkpoints_b / "b.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="checkpoints"
+        )
+
+        assert total == 2
+        assert {ref.id for ref in refs} == {ref_a.id, ref_b.id}
+
+    def test_same_named_files_under_multiple_roots_both_return_in_model_folder_filter(
+        self, session: Session, tmp_path: Path
+    ):
+        checkpoints_a = tmp_path / "root_a" / "checkpoints"
+        checkpoints_b = tmp_path / "root_b" / "checkpoints"
+        checkpoints_a.mkdir(parents=True)
+        checkpoints_b.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        ref_a = _make_reference(
+            session,
+            asset,
+            name="checkpoint-a",
+            file_path=str(checkpoints_a / "duplicate.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        ref_b = _make_reference(
+            session,
+            asset,
+            name="checkpoint-b",
+            file_path=str(checkpoints_b / "duplicate.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="checkpoints"
+        )
+
+        assert total == 2
+        assert {ref.id for ref in refs} == {ref_a.id, ref_b.id}
+
+    def test_arbitrary_registered_folder_filter_works(
+        self, session: Session, tmp_path: Path
+    ):
+        controlnet_dir = tmp_path / "models" / "controlnet"
+        controlnet_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        ref = _make_reference(
+            session,
+            asset,
+            name="controlnet",
+            file_path=str(controlnet_dir / "pose.safetensors"),
+            asset_type="model",
+            model_folder="controlnet",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="controlnet"
+        )
+
+        assert total == 1
+        assert refs[0].id == ref.id
+
+    def test_unknown_model_folder_filter_returns_none_when_other_models_exist(
+        self, session: Session, tmp_path: Path
+    ):
+        checkpoints_dir = tmp_path / "models" / "checkpoints"
+        checkpoints_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(checkpoints_dir / "model.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="controlnet"
+        )
+
+        assert total == 0
+        assert refs == []
+
+    def test_model_folder_filter_excludes_deeper_registered_model_folder(
+        self, session: Session, tmp_path: Path
+    ):
+        text_encoders_dir = tmp_path / "models" / "text_encoders"
+        clip_dir = text_encoders_dir / "clip"
+        clip_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        text_encoder = _make_reference(
+            session,
+            asset,
+            name="text_encoder",
+            file_path=str(text_encoders_dir / "t5xxl.safetensors"),
+            asset_type="model",
+            model_folder="text_encoders",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="clip",
+            file_path=str(clip_dir / "clip_l.safetensors"),
+            asset_type="model",
+            model_folder="text_encoders/clip",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="text_encoders"
+        )
+
+        assert total == 1
+        assert refs[0].id == text_encoder.id
+
+    def test_child_model_folder_filter_returns_only_child(
+        self, session: Session, tmp_path: Path
+    ):
+        text_encoders_dir = tmp_path / "models" / "text_encoders"
+        clip_dir = text_encoders_dir / "clip"
+        clip_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        _make_reference(
+            session,
+            asset,
+            name="text_encoder",
+            file_path=str(text_encoders_dir / "t5xxl.safetensors"),
+            asset_type="model",
+            model_folder="text_encoders",
+        )
+        clip = _make_reference(
+            session,
+            asset,
+            name="clip",
+            file_path=str(clip_dir / "clip_l.safetensors"),
+            asset_type="model",
+            model_folder="text_encoders/clip",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(
+            session, asset_type="model", model_folder="text_encoders/clip"
+        )
+
+        assert total == 1
+        assert refs[0].id == clip.id
+
+    def test_model_asset_type_filter_includes_parent_and_child_registered_roots(
+        self, session: Session, tmp_path: Path
+    ):
+        text_encoders_dir = tmp_path / "models" / "text_encoders"
+        clip_dir = text_encoders_dir / "clip"
+        clip_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        text_encoder = _make_reference(
+            session,
+            asset,
+            name="text_encoder",
+            file_path=str(text_encoders_dir / "t5xxl.safetensors"),
+            asset_type="model",
+            model_folder="text_encoders",
+        )
+        clip = _make_reference(
+            session,
+            asset,
+            name="clip",
+            file_path=str(clip_dir / "clip_l.safetensors"),
+            asset_type="model",
+            model_folder="text_encoders/clip",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="model")
+
+        assert total == 2
+        assert {ref.id for ref in refs} == {text_encoder.id, clip.id}
+
+    def test_model_asset_type_filter_with_no_registered_paths_returns_none(
+        self, session: Session, tmp_path: Path
+    ):
+        asset = _make_asset(session, "hash1")
+        _make_reference(
+            session,
+            asset,
+            name="orphan",
+            file_path=str(tmp_path / "models" / "checkpoints" / "model.safetensors"),
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="model")
+
+        assert total == 0
+        assert refs == []
+
+    def test_model_asset_type_filter_excludes_unregistered_models_folder(
+        self, session: Session, tmp_path: Path
+    ):
+        checkpoints_dir = tmp_path / "models" / "checkpoints"
+        unregistered_dir = tmp_path / "models" / "unregistered"
+        checkpoints_dir.mkdir(parents=True)
+        unregistered_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        checkpoint = _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(checkpoints_dir / "model.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="unregistered",
+            file_path=str(unregistered_dir / "model.safetensors"),
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="model")
+
+        assert total == 1
+        assert refs[0].id == checkpoint.id
+
+    def test_model_asset_type_filter_respects_prefix_boundaries(
+        self, session: Session, tmp_path: Path
+    ):
+        checkpoints_dir = tmp_path / "models" / "checkpoints"
+        checkpoints_extra_dir = tmp_path / "models" / "checkpoints_extra"
+        checkpoints_dir.mkdir(parents=True)
+        checkpoints_extra_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        checkpoint = _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(checkpoints_dir / "model.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="checkpoints_extra",
+            file_path=str(checkpoints_extra_dir / "model.safetensors"),
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="model")
+
+        assert total == 1
+        assert refs[0].id == checkpoint.id
+
+    def test_model_asset_type_filter_is_case_exact(
+        self, session: Session, tmp_path: Path
+    ):
+        registered_dir = tmp_path / "models" / "checkpoints"
+        case_sibling_dir = tmp_path / "MODELS" / "checkpoints"
+        registered_dir.mkdir(parents=True)
+        case_sibling_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        checkpoint = _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(registered_dir / "model.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="case_sibling",
+            file_path=str(case_sibling_dir / "model.safetensors"),
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="model")
+
+        assert total == 1
+        assert refs[0].id == checkpoint.id
+
+    def test_model_asset_type_filter_includes_output_backed_model_folder(
+        self, session: Session, tmp_path: Path
+    ):
+        output_checkpoints_dir = tmp_path / "output" / "checkpoints"
+        output_checkpoints_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        checkpoint_ref = _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(output_checkpoints_dir / "saved.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="model")
+
+        assert total == 1
+        assert refs[0].id == checkpoint_ref.id
+
+    def test_asset_type_filter_uses_root_paths(self, session: Session, tmp_path: Path):
+        input_dir = tmp_path / "input"
+        output_dir = tmp_path / "output"
+        temp_dir = tmp_path / "temp"
+        for directory in (input_dir, output_dir, temp_dir):
+            directory.mkdir()
+
+        asset = _make_asset(session, "hash1")
+        input_ref = _make_reference(
+            session,
+            asset,
+            name="input",
+            file_path=str(input_dir / "image.png"),
+            asset_type="input",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="output",
+            file_path=str(output_dir / "image.png"),
+            asset_type="output",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="input")
+
+        assert total == 1
+        assert refs[0].id == input_ref.id
+
+    def test_output_asset_type_filter_excludes_output_backed_model_folders(
+        self, session: Session, tmp_path: Path
+    ):
+        output_dir = tmp_path / "output"
+        output_checkpoints_dir = output_dir / "checkpoints"
+        output_checkpoints_dir.mkdir(parents=True)
+
+        asset = _make_asset(session, "hash1")
+        output_ref = _make_reference(
+            session,
+            asset,
+            name="output",
+            file_path=str(output_dir / "image.png"),
+            asset_type="output",
+        )
+        _make_reference(
+            session,
+            asset,
+            name="checkpoint",
+            file_path=str(output_checkpoints_dir / "saved.safetensors"),
+            asset_type="model",
+            model_folder="checkpoints",
+        )
+        session.commit()
+
+        refs, _, total = list_references_page(session, asset_type="output")
+
+        assert total == 1
+        assert refs[0].id == output_ref.id
+
     def test_sorting(self, session: Session):
         asset = _make_asset(session, "hash1", size=100)
         asset2 = _make_asset(session, "hash2", size=500)

tests-unit/assets_test/queries/test_cache_state.py

@@ -255,6 +255,31 @@ class TestMarkReferencesMissingOutsidePrefixes:
 
         assert marked == 0
 
+    def test_prefix_matching_is_case_exact(self, session: Session, tmp_path):
+        asset = _make_asset(session, "hash1")
+        valid_dir = tmp_path / "models" / "checkpoints"
+        case_sibling_dir = tmp_path / "MODELS" / "checkpoints"
+        valid_dir.mkdir(parents=True)
+        case_sibling_dir.mkdir(parents=True)
+
+        valid_path = str(valid_dir / "file.bin")
+        case_sibling_path = str(case_sibling_dir / "file.bin")
+
+        _make_reference(session, asset, valid_path, name="valid")
+        _make_reference(session, asset, case_sibling_path, name="case_sibling")
+        session.commit()
+
+        marked = mark_references_missing_outside_prefixes(session, [str(valid_dir)])
+        session.commit()
+
+        assert marked == 1
+        valid_ref = session.query(AssetReference).filter_by(file_path=valid_path).one()
+        case_sibling_ref = (
+            session.query(AssetReference).filter_by(file_path=case_sibling_path).one()
+        )
+        assert valid_ref.is_missing is False
+        assert case_sibling_ref.is_missing is True
+
 
 class TestGetUnreferencedUnhashedAssetIds:
     def test_returns_unreferenced_unhashed_assets(self, session: Session):

tests-unit/assets_test/services/test_bulk_ingest.py

@@ -64,6 +64,44 @@ class TestBatchInsertSeedAssets:
         assert len(assets) == 1
         assert assets[0].mime_type is None
 
+    def test_duplicate_paths_in_same_batch_preserve_first_spec(
+        self, session: Session, temp_dir: Path
+    ):
+        file_path = temp_dir / "duplicate.safetensors"
+        file_path.write_bytes(b"fake safetensors content")
+
+        specs: list[SeedAssetSpec] = [
+            {
+                "abs_path": str(file_path),
+                "size_bytes": 24,
+                "mtime_ns": 1234567890000000000,
+                "info_name": "first",
+                "tags": ["models", "checkpoints"],
+                "fname": "duplicate.safetensors",
+                "metadata": None,
+                "hash": None,
+                "mime_type": "application/safetensors",
+            },
+            {
+                "abs_path": str(file_path),
+                "size_bytes": 24,
+                "mtime_ns": 1234567890000000000,
+                "info_name": "second",
+                "tags": ["output"],
+                "fname": "duplicate.safetensors",
+                "metadata": None,
+                "hash": None,
+                "mime_type": "application/safetensors",
+            },
+        ]
+
+        result = batch_insert_seed_assets(session, specs=specs, owner_id="")
+
+        assert result.inserted_refs == 1
+        refs = session.query(AssetReference).all()
+        assert len(refs) == 1
+        assert refs[0].name == "first"
+
     def test_various_model_mime_types(self, session: Session, temp_dir: Path):
         """Verify various model file types get correct mime_type."""
         test_cases = [

tests-unit/assets_test/services/test_path_utils.py

@@ -6,7 +6,14 @@ from unittest.mock import patch
 
 import pytest
 
-from app.assets.services.path_utils import get_asset_category_and_relative_path
+from app.assets.services.path_utils import (
+    compute_relative_filename,
+    get_comfy_models_folders,
+    get_asset_category_and_relative_path,
+    get_asset_path_info,
+    get_asset_response_path_info,
+    resolve_asset_path_context,
+)
 
 
 @pytest.fixture
@@ -79,3 +86,225 @@ class TestGetAssetCategoryAndRelativePath:
     def test_unknown_path_raises(self, fake_dirs):
         with pytest.raises(ValueError, match="not within"):
             get_asset_category_and_relative_path("/some/random/path.png")
+
+
+class TestGetAssetPathInfo:
+    def test_get_comfy_models_folders_excludes_core_infrastructure(self, tmp_path: Path):
+        controlnet_dir = tmp_path / "models" / "controlnet"
+        configs_dir = tmp_path / "models" / "configs"
+        custom_nodes_dir = tmp_path / "custom_nodes"
+        for directory in (controlnet_dir, configs_dir, custom_nodes_dir):
+            directory.mkdir(parents=True)
+
+        with patch("app.assets.services.path_utils.folder_paths") as mock_fp:
+            mock_fp.folder_names_and_paths = {
+                "controlnet": ([str(controlnet_dir)], {".safetensors"}),
+                "configs": ([str(configs_dir)], {".yaml"}),
+                "custom_nodes": ([str(custom_nodes_dir)], set()),
+            }
+
+            folders = get_comfy_models_folders()
+
+        assert folders == [("controlnet", [str(controlnet_dir)])]
+
+    def test_model_file_uses_registered_model_folder(self, fake_dirs):
+        f = fake_dirs["models"] / "subdir" / "model.safetensors"
+        f.parent.mkdir()
+        f.touch()
+
+        info = get_asset_path_info(str(f))
+
+        assert info.asset_type == "model"
+        assert info.model_folder == "checkpoints"
+
+        response_info = get_asset_response_path_info(str(f))
+        assert response_info.file_path == "models/checkpoints/subdir/model.safetensors"
+        assert response_info.display_name == "subdir/model.safetensors"
+
+    def test_arbitrary_registered_folder_is_model_folder(self, fake_dirs):
+        controlnet_dir = fake_dirs["models"].parent / "controlnet"
+        controlnet_dir.mkdir()
+        f = controlnet_dir / "pose.safetensors"
+        f.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[("controlnet", [str(controlnet_dir)])],
+        ):
+            response_info = get_asset_response_path_info(str(f))
+
+        assert response_info.asset_type == "model"
+        assert response_info.model_folder == "controlnet"
+        assert response_info.file_path == "models/controlnet/pose.safetensors"
+        assert response_info.display_name == "pose.safetensors"
+
+    def test_multiple_physical_roots_for_same_model_folder(self, fake_dirs):
+        root_a = fake_dirs["models"]
+        root_b = fake_dirs["output"] / "checkpoints"
+        root_b.mkdir()
+        file_a = root_a / "subdir" / "model_a.safetensors"
+        file_b = root_b / "subdir" / "model_b.safetensors"
+        file_a.parent.mkdir()
+        file_b.parent.mkdir()
+        file_a.touch()
+        file_b.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[("checkpoints", [str(root_a), str(root_b)])],
+        ):
+            response_a = get_asset_response_path_info(str(file_a))
+            response_b = get_asset_response_path_info(str(file_b))
+
+        assert response_a.asset_type == response_b.asset_type == "model"
+        assert response_a.model_folder == response_b.model_folder == "checkpoints"
+        assert response_a.file_path == "models/checkpoints/subdir/model_a.safetensors"
+        assert response_b.file_path == "models/checkpoints/subdir/model_b.safetensors"
+        assert response_a.display_name == "subdir/model_a.safetensors"
+        assert response_b.display_name == "subdir/model_b.safetensors"
+
+    def test_same_named_files_under_multiple_roots_share_logical_file_path(self, fake_dirs):
+        root_a = fake_dirs["models"]
+        root_b = fake_dirs["output"] / "checkpoints"
+        root_b.mkdir()
+        file_a = root_a / "duplicate.safetensors"
+        file_b = root_b / "duplicate.safetensors"
+        file_a.touch()
+        file_b.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[("checkpoints", [str(root_a), str(root_b)])],
+        ):
+            response_a = get_asset_response_path_info(str(file_a))
+            response_b = get_asset_response_path_info(str(file_b))
+
+        assert response_a.file_path == response_b.file_path
+        assert response_a.file_path == "models/checkpoints/duplicate.safetensors"
+        assert response_a.display_name == response_b.display_name == "duplicate.safetensors"
+
+    def test_input_file_has_no_model_folder(self, fake_dirs):
+        f = fake_dirs["input"] / "subdir" / "photo.png"
+        f.parent.mkdir()
+        f.touch()
+
+        info = get_asset_path_info(str(f))
+
+        assert info.asset_type == "input"
+        assert info.model_folder is None
+
+        response_info = get_asset_response_path_info(str(f))
+        assert response_info.file_path == "input/subdir/photo.png"
+        assert response_info.display_name == "subdir/photo.png"
+
+    def test_output_backed_registered_model_folder_is_model(self, fake_dirs):
+        output_checkpoints_dir = fake_dirs["output"] / "checkpoints"
+        output_checkpoints_dir.mkdir()
+        f = output_checkpoints_dir / "saved.safetensors"
+        f.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[("checkpoints", [str(output_checkpoints_dir)])],
+        ):
+            context = resolve_asset_path_context(str(f))
+            response_info = get_asset_response_path_info(str(f))
+
+        assert context.asset_type == "model"
+        assert context.model_folder == "checkpoints"
+        assert context.relative_path == "saved.safetensors"
+
+        assert response_info.file_path == "models/checkpoints/saved.safetensors"
+        assert response_info.display_name == "saved.safetensors"
+
+    def test_registered_model_folder_can_contain_slash(self, fake_dirs):
+        nested_model_dir = fake_dirs["models"].parent / "text_encoders" / "clip"
+        nested_model_dir.mkdir(parents=True)
+        f = nested_model_dir / "clip.safetensors"
+        f.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[("text_encoders/clip", [str(nested_model_dir)])],
+        ):
+            info = get_asset_path_info(str(f))
+            response_info = get_asset_response_path_info(str(f))
+
+        assert info.asset_type == "model"
+        assert info.model_folder == "text_encoders/clip"
+
+        assert response_info.file_path == "models/text_encoders/clip/clip.safetensors"
+        assert response_info.display_name == "clip.safetensors"
+
+    def test_slash_model_folder_relative_filename_uses_registered_base(self, fake_dirs):
+        nested_model_dir = fake_dirs["models"].parent / "text_encoders" / "clip"
+        nested_model_dir.mkdir(parents=True)
+        f = nested_model_dir / "subdir" / "clip.safetensors"
+        f.parent.mkdir()
+        f.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[("text_encoders/clip", [str(nested_model_dir)])],
+        ):
+            assert compute_relative_filename(str(f)) == "subdir/clip.safetensors"
+
+    def test_deepest_registered_model_base_wins(self, fake_dirs):
+        parent_dir = fake_dirs["models"].parent / "text_encoders"
+        nested_model_dir = parent_dir / "clip"
+        nested_model_dir.mkdir(parents=True)
+        f = nested_model_dir / "clip.safetensors"
+        f.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[
+                ("text_encoders", [str(parent_dir)]),
+                ("text_encoders/clip", [str(nested_model_dir)]),
+            ],
+        ):
+            context = resolve_asset_path_context(str(f))
+
+        assert context.asset_type == "model"
+        assert context.model_folder == "text_encoders/clip"
+        assert context.relative_path == "clip.safetensors"
+
+    def test_deepest_registered_model_base_wins_independent_of_registration_order(
+        self, fake_dirs
+    ):
+        parent_dir = fake_dirs["models"].parent / "text_encoders"
+        nested_model_dir = parent_dir / "clip"
+        nested_model_dir.mkdir(parents=True)
+        f = nested_model_dir / "clip.safetensors"
+        f.touch()
+
+        with patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=[
+                ("text_encoders/clip", [str(nested_model_dir)]),
+                ("text_encoders", [str(parent_dir)]),
+            ],
+        ):
+            context = resolve_asset_path_context(str(f))
+
+        assert context.asset_type == "model"
+        assert context.model_folder == "text_encoders/clip"
+        assert context.relative_path == "clip.safetensors"
+
+    def test_path_under_unregistered_models_folder_is_unknown(self, fake_dirs):
+        unregistered_dir = fake_dirs["models"].parent / "unregistered"
+        unregistered_dir.mkdir()
+        f = unregistered_dir / "model.safetensors"
+        f.touch()
+
+        with pytest.raises(ValueError, match="not within"):
+            resolve_asset_path_context(str(f))
+
+    def test_registered_model_folder_prefix_boundary(self, fake_dirs):
+        checkpoints_extra_dir = fake_dirs["models"].parent / "checkpoints_extra"
+        checkpoints_extra_dir.mkdir()
+        f = checkpoints_extra_dir / "model.safetensors"
+        f.touch()
+
+        with pytest.raises(ValueError, match="not within"):
+            resolve_asset_path_context(str(f))

tests-unit/assets_test/test_sync_references.py

@@ -23,10 +23,60 @@ from app.assets.database.queries.asset_reference import (
     get_unenriched_references,
     restore_references_by_paths,
 )
-from app.assets.scanner import sync_references_with_filesystem
+from app.assets.scanner import (
+    collect_paths_for_roots,
+    get_all_known_prefixes,
+    sync_references_with_filesystem,
+)
 from app.assets.services.file_utils import get_mtime_ns
 
 
+def test_collect_paths_for_roots_deduplicates_overlapping_roots(tmp_path: Path):
+    model_file = tmp_path / "output" / "checkpoints" / "saved.safetensors"
+    model_file.parent.mkdir(parents=True)
+    model_file.write_bytes(b"model")
+
+    with (
+        patch("app.assets.scanner.collect_models_files", return_value=[str(model_file)]),
+        patch(
+            "app.assets.scanner.list_files_recursively",
+            return_value=[str(model_file)],
+        ),
+        patch("app.assets.scanner.folder_paths") as mock_folder_paths,
+    ):
+        mock_folder_paths.get_output_directory.return_value = str(tmp_path / "output")
+
+        paths = collect_paths_for_roots(("models", "output"))
+
+    assert paths == [str(model_file)]
+
+
+def test_all_known_prefixes_include_temp_root(tmp_path: Path):
+    models_dir = tmp_path / "models" / "checkpoints"
+    input_dir = tmp_path / "input"
+    output_dir = tmp_path / "output"
+    temp_dir = tmp_path / "temp"
+    for directory in (models_dir, input_dir, output_dir, temp_dir):
+        directory.mkdir(parents=True)
+
+    with (
+        patch("app.assets.scanner.get_comfy_models_folders", return_value=[("checkpoints", [str(models_dir)])]),
+        patch("app.assets.scanner.folder_paths") as mock_folder_paths,
+    ):
+        mock_folder_paths.get_input_directory.return_value = str(input_dir)
+        mock_folder_paths.get_output_directory.return_value = str(output_dir)
+        mock_folder_paths.get_temp_directory.return_value = str(temp_dir)
+
+        prefixes = get_all_known_prefixes()
+
+    assert prefixes == [
+        str(models_dir),
+        str(input_dir),
+        str(output_dir),
+        str(temp_dir),
+    ]
+
+
 @pytest.fixture
 def db_engine():
     engine = create_engine("sqlite:///:memory:")
@@ -99,6 +149,40 @@ def _ensure_missing_tag(session: Session):
         session.flush()
 
 
+def test_sync_reclassifies_existing_references_for_registered_model_roots(
+    session: Session, temp_dir: Path
+):
+    model_dir = temp_dir / "models" / "checkpoints"
+    model_path = _create_file(model_dir, "saved.safetensors")
+    _make_asset(
+        session,
+        "asset-1",
+        model_path,
+        "ref-1",
+        mtime_ns=_stat_mtime_ns(model_path),
+    )
+    session.commit()
+
+    registered = [("checkpoints", [str(model_dir)])]
+    with (
+        patch("app.assets.scanner.get_comfy_models_folders", return_value=registered),
+        patch(
+            "app.assets.services.path_utils.get_comfy_models_folders",
+            return_value=registered,
+        ),
+    ):
+        survivors = sync_references_with_filesystem(
+            session, "models", collect_existing_paths=True
+        )
+        session.commit()
+
+    ref = session.get(AssetReference, "ref-1")
+    assert survivors == {model_path}
+    assert ref is not None
+    assert ref.asset_type == "model"
+    assert ref.model_folder == "checkpoints"
+
+
 class _VerifyCase:
     def __init__(self, id, stat_unchanged, needs_verify_before, expect_needs_verify):
         self.id = id