20260723 修复 explorer 新发布对象 parsed 不可用（#128 M8）：repo-bytes.db 只读打开冻结于启动时刻，watch 模式改用 rocksdb secondary 并在 watcher 循环周期 catch-up；blob_store 新增 open_as_secondary/try_catch_up_with_primary 及 live primary 场景单测

src/bin/rpki_query_service.rs

@@ -150,9 +150,20 @@ fn real_main() -> Result<(), String> {
     let db = Arc::new(open_query_db_for_service(&args).map_err(|e| e.to_string())?);
     let export_jobs = Arc::new(Mutex::new(BTreeMap::new()));
     let repo_bytes = match args.repo_bytes_db.as_ref() {
-        Some(path) => Some(Arc::new(
-            ExternalRepoBytesDb::open_read_only(path).map_err(|e| e.to_string())?,
-        )),
+        Some(path) => {
+            let opened = if args.watch_run_root.is_some() {
+                // Watch mode tracks a live soak that keeps writing new object
+                // bytes. A plain read-only open is frozen at open time (new
+                // manifests/CRLs/objects become unparsable until restart), so
+                // use a secondary instance and catch up in the watcher loop.
+                let secondary_path = args.query_db.with_extension("repo-bytes.secondary");
+                ExternalRepoBytesDb::open_as_secondary(path, &secondary_path)
+                    .map_err(|e| e.to_string())?
+            } else {
+                ExternalRepoBytesDb::open_read_only(path).map_err(|e| e.to_string())?
+            };
+            Some(Arc::new(opened))
+        }
         None => None,
     };
     if let Some(run_root) = args.watch_run_root.clone() {
@@ -163,6 +174,7 @@ fn real_main() -> Result<(), String> {
         )?;
         spawn_indexer_watcher(
             Arc::clone(&db),
+            repo_bytes.clone(),
             args.query_db.clone(),
             resolve_indexer_bin(args.indexer_bin.clone())?,
             run_root,
@@ -229,6 +241,7 @@ fn resolve_effective_watch_min_run_seq(
 
 fn spawn_indexer_watcher(
     db: Arc<QueryDb>,
+    repo_bytes: Option<Arc<ExternalRepoBytesDb>>,
     query_db_path: PathBuf,
     indexer_bin: PathBuf,
     run_root: PathBuf,
@@ -250,6 +263,9 @@ fn spawn_indexer_watcher(
                     ) {
                         Ok(message) => {
                             let _ = db.try_catch_up_with_primary();
+                            if let Some(repo_bytes) = repo_bytes.as_ref() {
+                                let _ = repo_bytes.try_catch_up_with_primary();
+                            }
                             eprintln!("query watcher indexed {}: {message}", run_dir.display());
                         }
                         Err(err) => eprintln!(
@@ -260,6 +276,9 @@ fn spawn_indexer_watcher(
                 }
                 Ok(None) => {
                     let _ = db.try_catch_up_with_primary();
+                    if let Some(repo_bytes) = repo_bytes.as_ref() {
+                        let _ = repo_bytes.try_catch_up_with_primary();
+                    }
                 }
                 Err(err) => eprintln!("query watcher index failed: {err}"),
             }