chore: merge main into dev, resolve tools.py conflict

Accepted main's semantic duplicate threshold (>= 80 chars) over dev's
(>= 200 chars) for both note and task body checks.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/fabledassistant/services/tools.py

@@ -911,7 +911,7 @@ async def execute_tool(user_id: int, tool_name: str, arguments: dict) -> dict:
             if near is not None:
                 return {"success": False, "requires_confirmation": True, "similar_note": {"id": near.id, "title": near.title}, "error": f"A task with a very similar title '{near.title}' already exists (similarity: {ratio:.0%}). Ask the user to confirm before creating a separate entry."}
 
-            if not arguments.get("confirmed") and len(task_body.strip()) >= 200:
+            if not arguments.get("confirmed") and len(task_body.strip()) >= 80:
                 from fabledassistant.services.embeddings import semantic_search_notes as _ssn
                 sem_query = f"{task_title}\n{task_body}".strip()
                 sem_hits = await _ssn(user_id, sem_query, limit=3, threshold=0.90, is_task=True)
@@ -982,7 +982,7 @@ async def execute_tool(user_id: int, tool_name: str, arguments: dict) -> dict:
             if near is not None:
                 return {"success": False, "requires_confirmation": True, "similar_note": {"id": near.id, "title": near.title}, "error": f"A note with a very similar title '{near.title}' already exists (similarity: {ratio:.0%}). Ask the user to confirm before creating a separate entry."}
 
-            if not arguments.get("confirmed") and len(note_body.strip()) >= 200:
+            if not arguments.get("confirmed") and len(note_body.strip()) >= 80:
                 from fabledassistant.services.embeddings import semantic_search_notes as _ssn
                 sem_query = f"{note_title}\n{note_body}".strip()
                 sem_hits = await _ssn(user_id, sem_query, limit=3, threshold=0.90, is_task=False)