feat(trash): exclude trashed rows from notes + knowledge read paths

src/fabledassistant/services/knowledge.py

@@ -68,7 +68,10 @@ def _apply_type_filter(stmt, note_type: str | None):
 
     'task' = any task (status not null); 'plan' = a task with task_kind='plan';
     any other non-empty type = a non-task note of that note_type; None = all.
+
+    Trashed rows (deleted_at set) are always excluded.
     """
+    stmt = stmt.where(Note.deleted_at.is_(None))
     if note_type == "task":
         return stmt.where(Note.status.isnot(None))
     if note_type == "plan":
@@ -173,6 +176,8 @@ async def _semantic_knowledge_search(
             is_task=is_task_filter,
         )
         for _score, note in candidates:
+            if note.deleted_at is not None:
+                continue
             if note_type == "task" and not note.is_task:
                 continue
             elif note_type == "plan" and (not note.is_task or note.task_kind != "plan"):
@@ -223,6 +228,7 @@ async def get_knowledge_counts(user_id: int, tags: list[str] | None = None) -> d
             select(Note.note_type, func.count(Note.id))
             .where(Note.user_id == user_id)
             .where(Note.status.is_(None))
+            .where(Note.deleted_at.is_(None))
             .where(Note.note_type.in_(["note", "person", "place", "list"]))
             .group_by(Note.note_type)
         )
@@ -237,6 +243,7 @@ async def get_knowledge_counts(user_id: int, tags: list[str] | None = None) -> d
             select(func.count(Note.id))
             .where(Note.user_id == user_id)
             .where(Note.status.isnot(None))
+            .where(Note.deleted_at.is_(None))
         )
         if tags:
             for tag in tags:
@@ -251,6 +258,7 @@ async def get_knowledge_counts(user_id: int, tags: list[str] | None = None) -> d
             .where(Note.user_id == user_id)
             .where(Note.status.isnot(None))
             .where(Note.task_kind == "plan")
+            .where(Note.deleted_at.is_(None))
         )
         if tags:
             for tag in tags:
@@ -314,6 +322,7 @@ async def get_knowledge_by_ids(user_id: int, ids: list[int]) -> list[dict]:
             select(Note)
             .where(Note.user_id == user_id)
             .where(Note.id.in_(ids))
+            .where(Note.deleted_at.is_(None))
         )
         rows = list((await session.execute(stmt)).scalars().all())
     by_id = {n.id: n for n in rows}
@@ -328,6 +337,7 @@ async def get_people_and_places_context(user_id: int) -> str:
             .where(Note.user_id == user_id)
             .where(Note.note_type.in_(["person", "place"]))
             .where(Note.status.is_(None))
+            .where(Note.deleted_at.is_(None))
             .order_by(Note.title.asc())
             .limit(50)
         )