feat: Beta work (#17)

feat: Add multiple projects support 
feat: enhanced read_note for when initial result is not found
fix: merge frontmatter when updating note
fix: handle directory removed on sync watch

src/basic_memory/api/routers/knowledge_router.py

@@ -33,7 +33,9 @@ async def create_entity(
     search_service: SearchServiceDep,
 ) -> EntityResponse:
     """Create an entity."""
-    logger.info(f"request: create_entity with data={data}")
+    logger.info(
+        "API request", endpoint="create_entity", entity_type=data.entity_type, title=data.title
+    )
 
     entity = await entity_service.create_entity(data)
 
@@ -41,7 +43,13 @@ async def create_entity(
     await search_service.index_entity(entity, background_tasks=background_tasks)
     result = EntityResponse.model_validate(entity)
 
-    logger.info(f"response: create_entity with result={result}")
+    logger.info(
+        "API response",
+        endpoint="create_entity",
+        title=result.title,
+        permalink=result.permalink,
+        status_code=201,
+    )
     return result
 
 
@@ -55,10 +63,23 @@ async def create_or_update_entity(
     search_service: SearchServiceDep,
 ) -> EntityResponse:
     """Create or update an entity. If entity exists, it will be updated, otherwise created."""
-    logger.info(f"request: create_or_update_entity with permalink={permalink}, data={data}")
+    logger.info(
+        "API request",
+        endpoint="create_or_update_entity",
+        permalink=permalink,
+        entity_type=data.entity_type,
+        title=data.title,
+    )
 
     # Validate permalink matches
     if data.permalink != permalink:
+        logger.warning(
+            "API validation error",
+            endpoint="create_or_update_entity",
+            permalink=permalink,
+            data_permalink=data.permalink,
+            error="Permalink mismatch",
+        )
         raise HTTPException(status_code=400, detail="Entity permalink must match URL path")
 
     # Try create_or_update operation
@@ -70,7 +91,12 @@ async def create_or_update_entity(
     result = EntityResponse.model_validate(entity)
 
     logger.info(
-        f"response: create_or_update_entity with result={result}, status_code={response.status_code}"
+        "API response",
+        endpoint="create_or_update_entity",
+        title=result.title,
+        permalink=result.permalink,
+        created=created,
+        status_code=response.status_code,
     )
     return result