kryptomrx b971d45e78 security: slug validation, path traversal protection, temp file cleanup ... - SlugGuard.IsValid() rejects slugs with path traversal (../, //, uppercase) - SlugGuard.ToSafePath() ensures sync writes stay within target directory - PushCommand: skip files with invalid slugs before upload - SyncCommand: validate server-returned slugs before writing to disk - EditCommand/NewCommand: try/finally guarantees temp file deletion on crash - NotesCache: set 600 permissions on cache file (metadata only, no token) - NewCommand: remove dead Sha256 method (HashHelper already covers this)		2026-05-16 23:36:40 +02:00
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SlugGuard.cs	security: slug validation, path traversal protection, temp file cleanup	2026-05-16 23:36:40 +02:00