treewide: move migration logic into pinakes-migrations crate

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I98b8ed2eee464ecfd42f492dec49adeb6a6a6964

migrations/sqlite/V10__incremental_scan.sql

@@ -1,19 +0,0 @@
--- Add file_mtime column to media_items table for incremental scanning
--- Stores Unix timestamp in seconds of the file's modification time
-ALTER TABLE media_items
-ADD COLUMN file_mtime INTEGER;
-
--- Create index for quick mtime lookups
-CREATE INDEX IF NOT EXISTS idx_media_items_file_mtime ON media_items (file_mtime);
-
--- Create a scan_history table to track when each directory was last scanned
-CREATE TABLE IF NOT EXISTS scan_history (
-  id TEXT PRIMARY KEY,
-  directory TEXT NOT NULL UNIQUE,
-  last_scan_at TEXT NOT NULL,
-  files_scanned INTEGER NOT NULL DEFAULT 0,
-  files_changed INTEGER NOT NULL DEFAULT 0,
-  scan_duration_ms INTEGER
-);
-
-CREATE INDEX IF NOT EXISTS idx_scan_history_directory ON scan_history (directory);