feat: add memory-json importer, tweak observation content

src/basic_memory/markdown/__init__.py

@@ -2,6 +2,7 @@
 
 from basic_memory.file_utils import ParseError
 from basic_memory.markdown.entity_parser import EntityParser
+from basic_memory.markdown.markdown_processor import MarkdownProcessor
 from basic_memory.markdown.schemas import (
     EntityMarkdown,
     EntityFrontmatter,
@@ -13,6 +14,7 @@ __all__ = [
     "EntityMarkdown",
     "EntityFrontmatter",
     "EntityParser",
+    "MarkdownProcessor",
     "Observation",
     "Relation",
     "ParseError",

src/basic_memory/markdown/plugins.py

@@ -68,7 +68,7 @@ def parse_observation(token: Token) -> Dict[str, Any]:
     
     return {
         'category': category,
-        'content': ' '.join(content_parts).strip(),
+        'content': content,
         'tags': list(tags) if tags else None,
         'context': context
     }

src/basic_memory/markdown/schemas.py

@@ -9,15 +9,13 @@ from pydantic import BaseModel
 class Observation(BaseModel):
     """An observation about an entity."""
 
-    category: Optional[str] = None
+    category: Optional[str] = "Note"
     content: str
     tags: Optional[List[str]] = None
     context: Optional[str] = None
     
     def __str__(self) -> str:
         obs_string = f"- [{self.category}] {self.content}"
-        if self.tags:
-            obs_string += " " + " ".join(f"#{tag}" for tag in sorted(self.tags))
         if self.context:
             obs_string += f" ({self.context})"
         return obs_string