feat: add infrastructure foundation — scripts, schema key, new routes, model fields

- Add npm scripts for dev, migrate, seed, smoke
- Add key column to scrips table (unique short identifier)
- Register users and templates routes in server
- Set development: false in Bun.serve for production mode
- Add description and custom_fields to CreateTicketSchema
- Make owner_id nullable/optional for unassigned tickets
- Add migration for custom field key column

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

drizzle/migrations/0002_short_custom_field_keys.sql

@@ -0,0 +1,10 @@
+ALTER TABLE "custom_fields" ADD COLUMN "key" text;
+--> statement-breakpoint
+UPDATE "custom_fields"
+SET "key" = trim(both '_' from regexp_replace(lower("name"), '[^a-z0-9]+', '_', 'g'));
+--> statement-breakpoint
+UPDATE "custom_fields" SET "key" = 'field_' || substring("id"::text, 1, 8) WHERE "key" IS NULL OR "key" = '';
+--> statement-breakpoint
+ALTER TABLE "custom_fields" ALTER COLUMN "key" SET NOT NULL;
+--> statement-breakpoint
+ALTER TABLE "custom_fields" ADD CONSTRAINT "custom_fields_key_unique" UNIQUE("key");

drizzle/migrations/meta/_journal.json

@@ -15,6 +15,13 @@
       "when": 1780867177929,
       "tag": "0001_lovely_quentin_quire",
       "breakpoints": true
+    },
+    {
+      "idx": 2,
+      "version": "7",
+      "when": 1780904200000,
+      "tag": "0002_short_custom_field_keys",
+      "breakpoints": true
     }
   ]
-}
+}