feat(db): add Alembic migrations (#6)

deps.py

@@ -0,0 +1,36 @@
+"""Shared global instances for Pry API.
+
+This module initializes the singleton instances used by all API routers
+and should be imported by both api.py and any router module that needs
+direct access to shared state.
+
+Usage:
+    from deps import scraper, cache, automator, ...
+
+Part of Pry — https://git.rugmunch.io/RugMunchMedia/pryscraper
+"""
+
+# SPDX-License-Identifier: MIT
+# Copyright (c) 2026 Rug Munch Media LLC
+from __future__ import annotations
+
+from advanced import PryAdvanced
+from automator import PryAutomator
+from cache import ResponseCache
+from extractor import SchemaExtractor
+from jobqueue import JobQueue
+from mconfig import PryConfig
+from parser import DocumentParser
+from ratelimit import RateLimiter
+from scraper import PryScraper
+
+config = PryConfig()
+
+scraper = PryScraper()
+automator = PryAutomator()
+parser = DocumentParser()
+extractor = SchemaExtractor()
+cache = ResponseCache(capacity=1000)
+ratelimiter = RateLimiter(default_rpm=120, burst=200)
+queue = JobQueue()
+advanced = PryAdvanced(cache=cache)