Add project revision foundation

src/db/migrations/0012_project_revision_foundation.sql

@@ -0,0 +1,24 @@
+CREATE TABLE `project_change_sets` (
+	`id` text PRIMARY KEY NOT NULL,
+	`project_revision_id` text NOT NULL,
+	`command_type` text NOT NULL,
+	`payload_schema_version` integer NOT NULL,
+	`forward_payload_json` text NOT NULL,
+	`inverse_payload_json` text NOT NULL,
+	FOREIGN KEY (`project_revision_id`) REFERENCES `project_revisions`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `project_change_sets_revision_unique` ON `project_change_sets` (`project_revision_id`);--> statement-breakpoint
+CREATE TABLE `project_revisions` (
+	`id` text PRIMARY KEY NOT NULL,
+	`project_id` text NOT NULL,
+	`revision_number` integer NOT NULL,
+	`created_at_iso` text NOT NULL,
+	`actor_id` text,
+	`source` text NOT NULL,
+	`description` text,
+	FOREIGN KEY (`project_id`) REFERENCES `projects`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `project_revisions_project_number_unique` ON `project_revisions` (`project_id`,`revision_number`);--> statement-breakpoint
+ALTER TABLE `projects` ADD `current_revision` integer DEFAULT 0 NOT NULL;

src/db/migrations/meta/_journal.json

@@ -85,6 +85,13 @@
       "when": 1784832541202,
       "tag": "0011_project_device_canonical_fields",
       "breakpoints": true
+    },
+    {
+      "idx": 12,
+      "version": "6",
+      "when": 1784833957929,
+      "tag": "0012_project_revision_foundation",
+      "breakpoints": true
     }
   ]
 }