feat: add plugin worker protocol, bootstrap and plugin_storage table

Worker-side ctx proxy plus the message envelope it talks over, and the
per-plugin key/value table behind ctx.storage with migrations for all
three dialects. Rows cascade with the plugin so uninstalling leaves
nothing behind.

drizzle/mysql/0024_thin_colleen_wing.sql

@@ -0,0 +1,11 @@
+CREATE TABLE `plugin_storage` (
+	`id` int AUTO_INCREMENT NOT NULL,
+	`plugin_id` varchar(255) NOT NULL,
+	`key` varchar(255) NOT NULL,
+	`value` text NOT NULL,
+	`updated_at` varchar(255) NOT NULL DEFAULT (CURRENT_TIMESTAMP),
+	CONSTRAINT `plugin_storage_id` PRIMARY KEY(`id`),
+	CONSTRAINT `idx_plugin_storage_plugin_key` UNIQUE(`plugin_id`,`key`)
+);
+--> statement-breakpoint
+ALTER TABLE `plugin_storage` ADD CONSTRAINT `plugin_storage_plugin_id_plugins_id_fk` FOREIGN KEY (`plugin_id`) REFERENCES `plugins`(`id`) ON DELETE cascade ON UPDATE no action;

drizzle/mysql/meta/_journal.json

@@ -169,6 +169,13 @@
       "when": 1789751455875,
       "tag": "0023_even_beast",
       "breakpoints": true
+    },
+    {
+      "idx": 24,
+      "version": "5",
+      "when": 1789991404402,
+      "tag": "0024_thin_colleen_wing",
+      "breakpoints": true
     }
   ]
 }

drizzle/postgres/0025_purple_squirrel_girl.sql

@@ -0,0 +1,10 @@
+CREATE TABLE "plugin_storage" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"plugin_id" varchar(255) NOT NULL,
+	"key" varchar(255) NOT NULL,
+	"value" text NOT NULL,
+	"updated_at" varchar(255) DEFAULT CURRENT_TIMESTAMP NOT NULL
+);
+--> statement-breakpoint
+ALTER TABLE "plugin_storage" ADD CONSTRAINT "plugin_storage_plugin_id_plugins_id_fk" FOREIGN KEY ("plugin_id") REFERENCES "public"."plugins"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE UNIQUE INDEX "idx_plugin_storage_plugin_key" ON "plugin_storage" USING btree ("plugin_id","key");

drizzle/postgres/meta/_journal.json

@@ -176,6 +176,13 @@
       "when": 1789751455415,
       "tag": "0024_flimsy_forge",
       "breakpoints": true
+    },
+    {
+      "idx": 25,
+      "version": "7",
+      "when": 1789991403847,
+      "tag": "0025_purple_squirrel_girl",
+      "breakpoints": true
     }
   ]
 }

drizzle/sqlite/0021_dashing_lester.sql

@@ -0,0 +1,10 @@
+CREATE TABLE `plugin_storage` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`plugin_id` text NOT NULL,
+	`key` text NOT NULL,
+	`value` text NOT NULL,
+	`updated_at` text DEFAULT CURRENT_TIMESTAMP NOT NULL,
+	FOREIGN KEY (`plugin_id`) REFERENCES `plugins`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE UNIQUE INDEX `idx_plugin_storage_plugin_key` ON `plugin_storage` (`plugin_id`,`key`);

drizzle/sqlite/meta/_journal.json

@@ -148,6 +148,13 @@
       "when": 1789751454932,
       "tag": "0020_moaning_fat_cobra",
       "breakpoints": true
+    },
+    {
+      "idx": 21,
+      "version": "6",
+      "when": 1789991403283,
+      "tag": "0021_dashing_lester",
+      "breakpoints": true
     }
   ]
 }