fix: preserve upload recovery and harden speech indexing

backend/imagefind/database.py

@@ -779,6 +779,10 @@ class Database:
             conn.execute("ALTER TABLE uploads ADD COLUMN IF NOT EXISTS external_local_path TEXT")
             conn.execute("ALTER TABLE uploads ADD COLUMN IF NOT EXISTS external_size_bytes BIGINT")
             conn.execute("ALTER TABLE uploads ADD COLUMN IF NOT EXISTS external_attempts INTEGER NOT NULL DEFAULT 0")
+            conn.execute(
+                "ALTER TABLE uploads ADD COLUMN IF NOT EXISTS recovery_state TEXT NOT NULL DEFAULT 'receiving'"
+            )
+            conn.execute("ALTER TABLE uploads ADD COLUMN IF NOT EXISTS recovery_mode TEXT")
             conn.execute(
                 "UPDATE videos v SET storage_backend=u.storage_backend,physical_path=u.external_target_path,"
                 "physical_size_bytes=coalesce(u.external_size_bytes,v.size_bytes) FROM ("
@@ -1291,6 +1295,8 @@ CREATE TABLE IF NOT EXISTS uploads (
     external_local_path TEXT,
     external_size_bytes BIGINT,
     external_attempts INTEGER NOT NULL DEFAULT 0,
+    recovery_state TEXT NOT NULL DEFAULT 'receiving',
+    recovery_mode TEXT,
     created_at TEXT NOT NULL,
     updated_at TEXT NOT NULL,
     expires_at TEXT NOT NULL