refactor: remove hidden files indexing configuration and convert to UI-only display preference, eliminating includeHidden and hiddenWhitelist from vault config and indexing logic while adding hideHiddenFiles client-side filtering

backend/attachment_indexer.py

@@ -4,8 +4,6 @@ from pathlib import Path
 from typing import Dict, List, Optional, Set
 import threading
 
-from backend.utils import should_include_path
-
 logger = logging.getLogger("obsigate.attachment_indexer")
 
 # Image file extensions to index
@@ -40,12 +38,12 @@ def _scan_vault_attachments(vault_name: str, vault_path: str, vault_cfg: dict =
     """Synchronously scan a vault directory for image attachments.
     
     Walks the vault tree and builds a filename -> absolute path mapping
-    for all image files.
+    for all image files. All files are scanned, including hidden files (starting with '.').
     
     Args:
         vault_name: Display name of the vault.
         vault_path: Absolute filesystem path to the vault root.
-        vault_cfg: Optional vault configuration dict with hidden files settings.
+        vault_cfg: Optional vault configuration dict (unused for indexing, kept for compatibility).
         
     Returns:
         Dict mapping lowercase filenames to lists of absolute paths.
@@ -53,10 +51,6 @@ def _scan_vault_attachments(vault_name: str, vault_path: str, vault_cfg: dict =
     vault_root = Path(vault_path)
     index: Dict[str, List[Path]] = {}
     
-    # Default config if not provided
-    if vault_cfg is None:
-        vault_cfg = {"includeHidden": False, "hiddenWhitelist": []}
-    
     if not vault_root.exists():
         logger.warning(f"Vault path does not exist for attachment scan: {vault_path}")
         return index
@@ -65,11 +59,6 @@ def _scan_vault_attachments(vault_name: str, vault_path: str, vault_cfg: dict =
     
     try:
         for fpath in vault_root.rglob("*"):
-            # Check if path should be included based on hidden files configuration
-            rel_parts = fpath.relative_to(vault_root).parts
-            if not should_include_path(rel_parts, vault_cfg):
-                continue
-            
             # Only process files
             if not fpath.is_file():
                 continue