Add draft routine defaults and run-time overrides

packages/db/src/migrations/0054_draft_routines.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "routines" ALTER COLUMN "project_id" DROP NOT NULL;
+ALTER TABLE "routines" ALTER COLUMN "assignee_agent_id" DROP NOT NULL;

packages/db/src/migrations/meta/_journal.json

@@ -379,6 +379,13 @@
       "when": 1775604018515,
       "tag": "0053_sharp_wild_child",
       "breakpoints": true
+    },
+    {
+      "idx": 54,
+      "version": "7",
+      "when": 1775750400000,
+      "tag": "0054_draft_routines",
+      "breakpoints": true
     }
   ]
 }