feat(dashboard): add source, device_platform, idempotency_key to reports

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: Ripwords

apps/dashboard/server/db/migrations/0003_hot_paper_doll.sql

@@ -0,0 +1,7 @@
+ALTER TABLE "reports" ADD COLUMN "source" text DEFAULT 'web' NOT NULL;--> statement-breakpoint
+ALTER TABLE "reports" ADD COLUMN "device_platform" text;--> statement-breakpoint
+ALTER TABLE "reports" ADD COLUMN "idempotency_key" text;--> statement-breakpoint
+CREATE INDEX "reports_project_source_created_idx" ON "reports" USING btree ("project_id","source","created_at" DESC);--> statement-breakpoint
+CREATE UNIQUE INDEX "reports_project_idempotency_key_idx"
+  ON "reports" ("project_id", "idempotency_key")
+  WHERE "idempotency_key" IS NOT NULL;