Remove legacy import/export mechanism

- Delete InputPackage struct and related types
- Remove inputs field from SheetData
- Remove input management methods (add_input, deny_input, accept_import)
- Remove export functionality (output_mappings,
  find_longest_common_prefix)
- Update tests to remove input-related assertions
- Clean up unused imports and dependencies

1 files changed, 0 insertions, 1 deletions

diff --git a/crates/vcs_data/src/data/vault/sheets.rs b/crates/vcs_data/src/data/vault/sheets.rs
index 4101d45..c22c849 100644
--- a/crates/vcs_data/src/data/vault/sheets.rs
+++ b/crates/vcs_data/src/data/vault/sheets.rs
@@ -133,7 +133,6 @@ impl Vault {
         // Create the sheet file
         let sheet_data = SheetData {
             holder: Some(holder.clone()),
-            inputs: Vec::new(),
             mapping: HashMap::new(),
             id_mapping: None,
             write_count: 0,