Adopt Commonlib storage path contracts

Use the shared Node adapter and retain one comparison policy throughout
each CLI scan. Propagate permission and I/O failures instead of reporting
absence or a successful partial scan.

Use shared namespace and comparison helpers in Obsidian while preserving
its Vault APIs and alias policy. Cover native spelling and host filename
compatibility, and document the dependency and integration boundaries.

updates.md

@@ -23,6 +23,12 @@ Earlier releases remain available in the 1.0 release history, the 1.0 preview hi
 - The notice shown when a translation is available now displays the **Display Language** setting label correctly in English, French, Hebrew, Russian, and Simplified Chinese. (#1298) Thank you to @cwatanab for the contribution!
     - Hebrew interface messages also display their referenced labels correctly.
 
+### CLI
+
+#### Fixed
+
+- NFC file lookups and directory scans report permission and I/O failures instead of treating unreadable files as absent or returning a successful partial scan. A scan retains the comparison settings with which it began.
+
 ## 1.0.44
 
 1st November, 2026