diff --git a/src/lib/db/migrations/052_manifest_routing.sql b/src/lib/db/migrations/052_manifest_routing.sql
new file mode 100644
index 0000000000..4e504a7c1c
--- /dev/null
+++ b/src/lib/db/migrations/052_manifest_routing.sql
@@ -0,0 +1,21 @@
+CREATE TABLE IF NOT EXISTS tier_config (
+  key TEXT PRIMARY KEY,
+  value TEXT NOT NULL,
+  updated_at TEXT DEFAULT (datetime('now'))
+);
+
+CREATE TABLE IF NOT EXISTS tier_assignments (
+  provider TEXT NOT NULL,
+  model TEXT NOT NULL,
+  tier TEXT NOT NULL CHECK (tier IN ('free', 'cheap', 'premium')),
+  cost_per_1m_input REAL DEFAULT 0,
+  cost_per_1m_output REAL DEFAULT 0,
+  has_free_tier INTEGER DEFAULT 0,
+  free_quota_limit INTEGER,
+  reason TEXT,
+  updated_at TEXT DEFAULT (datetime('now')),
+  PRIMARY KEY (provider, model)
+);
+
+CREATE INDEX IF NOT EXISTS idx_tier_assignments_provider ON tier_assignments(provider);
+CREATE INDEX IF NOT EXISTS idx_tier_assignments_tier ON tier_assignments(tier);
diff --git a/src/lib/db/migrations/053_remove_status_from_files.sql b/src/lib/db/migrations/053_remove_status_from_files.sql
new file mode 100644
index 0000000000..5d2c8a570b
--- /dev/null
+++ b/src/lib/db/migrations/053_remove_status_from_files.sql
@@ -0,0 +1,2 @@
+-- 051: Remove status column from files table
+ALTER TABLE files DROP COLUMN status;
\ No newline at end of file