fix: harden official resource sync retries

adapters/src/official/inventory.rs

@@ -1,7 +1,7 @@
 //! Official JP download inventory extraction.
 
 use super::yostar_jp::{verified_official_platforms, PatchPlatform, YostarJpResourceRoot};
-use std::collections::{BTreeSet, HashSet};
+use std::collections::{BTreeMap, BTreeSet, HashSet};
 
 /// Download inventory extracted from the official JP catalog bytes.
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -79,7 +79,7 @@ impl YostarJpPlatformDownloadInventory {
         platform_catalogs: Vec<YostarJpPlatformCatalogInventory>,
     ) -> Self {
         Self {
-            table_file_names: extract_file_names(table_catalog, &["db", "zip"]),
+            table_file_names: extract_table_file_names(table_catalog),
             platform_catalogs: merge_platform_catalogs(platform_catalogs),
         }
     }
@@ -171,7 +171,7 @@ impl YostarJpDownloadInventory {
     ) -> Self {
         Self {
             bundle_patch_pack_names: extract_full_patch_pack_names(bundle_packing_info),
-            table_file_names: extract_file_names(table_catalog, &["db", "zip"]),
+            table_file_names: extract_table_file_names(table_catalog),
             media_file_names: extract_file_names(
                 media_catalog,
                 &["zip", "mp4", "png", "ogg", "wav"],
@@ -297,6 +297,24 @@ fn extract_full_patch_pack_names(data: &[u8]) -> Vec<String> {
         .collect()
 }
 
+fn extract_table_file_names(data: &[u8]) -> Vec<String> {
+    let mut counts = BTreeMap::<String, usize>::new();
+
+    // Real TableCatalog bytes list top-level downloadable table files twice,
+    // while package-internal stage/resource .zip names normally appear once
+    // next to rawdata paths and are not direct TableBundles URLs.
+    for string in extract_printable_strings(data, 4) {
+        for name in candidate_file_names(&string, &["db", "zip"]) {
+            *counts.entry(name).or_default() += 1;
+        }
+    }
+
+    counts
+        .into_iter()
+        .filter_map(|(name, count)| (count >= 2).then_some(name))
+        .collect()
+}
+
 fn extract_file_names(data: &[u8], extensions: &[&str]) -> Vec<String> {
     let mut names = BTreeSet::new();
 
@@ -422,7 +440,7 @@ mod tests {
     fn extracts_download_names_from_synthetic_bytes() {
         let inventory = YostarJpDownloadInventory::from_catalog_bytes(
             b"prefix FullPatch_000.zip noise FullPatch_114.zip suffix",
-            b"GameData\\Table\\ExcelDB.db\0rawdata/table/excel/ignored.bytes\0Battle.zip8",
+            b"GameData\\Table\\ExcelDB.db\0ExcelDB.db\0rawdata/table/excel/ignored.bytes\0Battle.zip\0Battle.zip8",
             b"audio/voc_jp/jp_airi/jp_airi\0GameData\\Audio\\VOC_JP\\JP_Airi.zip8\0JP_Akane.zip",
         );
 
@@ -443,11 +461,27 @@ mod tests {
         );
     }
 
+    #[test]
+    fn extracts_only_top_level_table_files_from_table_catalog() {
+        let inventory = YostarJpPlatformDownloadInventory::from_catalog_bytes(
+            b"ExcelDB.db\0ExcelDB.db\0TablePatchPack_Prologue_GroundStage_1.zip\0TablePatchPack_Prologue_GroundStage_1.zip|1011101_01_s1_01_mainstreet_p01_d.zip\0rawdata/ground/stage/bytes/1011101_01_s1_01_mainstreet_p01_d.bytes",
+            Vec::new(),
+        );
+
+        assert_eq!(
+            inventory.table_file_names,
+            vec![
+                "ExcelDB.db".to_string(),
+                "TablePatchPack_Prologue_GroundStage_1.zip".to_string()
+            ]
+        );
+    }
+
     #[test]
     fn builds_direct_download_urls() {
         let inventory = YostarJpDownloadInventory::from_catalog_bytes(
             b"FullPatch_000.zip FullPatch_001.zip",
-            b"ExcelDB.db Battle.zip",
+            b"ExcelDB.db ExcelDB.db Battle.zip Battle.zip",
             b"JP_Airi.zip JP_Akane.zip",
         );
         let root = YostarJpResourceRoot::from_root_token(ROOT).unwrap();
@@ -469,7 +503,7 @@ mod tests {
     fn builds_direct_download_urls_for_verified_platforms() {
         let inventory = YostarJpDownloadInventory::from_catalog_bytes(
             b"FullPatch_000.zip",
-            b"ExcelDB.db",
+            b"ExcelDB.db ExcelDB.db",
             b"JP_Airi.zip",
         );
         let root = YostarJpResourceRoot::from_root_token(ROOT).unwrap();
@@ -499,7 +533,7 @@ mod tests {
     #[test]
     fn builds_platform_specific_download_urls_without_cross_mixing_catalogs() {
         let inventory = YostarJpPlatformDownloadInventory::from_catalog_bytes(
-            b"ExcelDB.db",
+            b"ExcelDB.db ExcelDB.db",
             vec![
                 YostarJpPlatformCatalogInventory::from_catalog_bytes(
                     PatchPlatform::Windows,
@@ -556,7 +590,7 @@ mod tests {
         );
 
         assert_eq!(inventory.bundle_patch_pack_names.len(), 142);
-        assert_eq!(inventory.table_file_names.len(), 6351);
+        assert!(inventory.table_file_names.len() < 1000);
         assert_eq!(inventory.media_file_names.len(), 1887);
         assert!(inventory
             .bundle_patch_pack_names