Add named project snapshots

src/db/migrations/0014_project_snapshots.sql

@@ -0,0 +1,16 @@
+CREATE TABLE `project_snapshots` (
+	`id` text PRIMARY KEY NOT NULL,
+	`project_id` text NOT NULL,
+	`source_revision` integer NOT NULL,
+	`schema_version` integer NOT NULL,
+	`name` text NOT NULL,
+	`description` text,
+	`payload_json` text NOT NULL,
+	`payload_sha256` text NOT NULL,
+	`created_at_iso` text NOT NULL,
+	`created_by_actor_id` text,
+	FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE INDEX `project_snapshots_project_created_idx` ON `project_snapshots` (`project_id`,`created_at_iso`);--> statement-breakpoint
+CREATE UNIQUE INDEX `project_snapshots_project_name_unique` ON `project_snapshots` (`project_id`,`name`);

src/db/migrations/meta/_journal.json

@@ -99,6 +99,13 @@
       "when": 1784835703230,
       "tag": "0013_project_history_stacks",
       "breakpoints": true
+    },
+    {
+      "idx": 14,
+      "version": "6",
+      "when": 1785009799979,
+      "tag": "0014_project_snapshots",
+      "breakpoints": true
     }
   ]
-}
+}