Add logging, fix devenv up

db/schema.sql

@@ -37,3 +37,11 @@ CREATE TABLE music_metadata_pictures (
     data_length     BIGINT NOT NULL,
     PRIMARY KEY (inode, position)
 );
+
+-- Lazy byte cache for NetworkOrigin. Rows exist only for files the user has
+-- actually read; reconcile invalidates a row when its hash changes.
+CREATE TABLE cached_file_bytes (
+    inode       BIGINT PRIMARY KEY REFERENCES items(inode) ON DELETE CASCADE,
+    data        BYTEA NOT NULL,
+    fetched_at  TIMESTAMPTZ NOT NULL DEFAULT now()
+);