Refactor v2 session events as schemas (#24512)

Author: thdxr

packages/core/src/flag/flag.ts

@@ -95,6 +95,7 @@ export const Flag = {
 truthy("OPENCODE_EXPERIMENTAL_HTTPAPI")||
 (!falsy("OPENCODE_EXPERIMENTAL_HTTPAPI")&&HTTPAPI_DEFAULT_ON_CHANNELS.has(InstallationChannel)),
 OPENCODE_EXPERIMENTAL_WORKSPACES: OPENCODE_EXPERIMENTAL||truthy("OPENCODE_EXPERIMENTAL_WORKSPACES"),
+OPENCODE_EXPERIMENTAL_EVENT_SYSTEM: OPENCODE_EXPERIMENTAL||truthy("OPENCODE_EXPERIMENTAL_EVENT_SYSTEM"),
 
 // Evaluated at access time (not module load) because tests, the CLI, and
 // external tooling set these env vars at runtime.

packages/core/src/util/log.ts

@@ -1,3 +1,5 @@
+export*asLogfrom"./log"
+
 importpathfrom"path"
 importfsfrom"fs/promises"
 import{createWriteStream}from"fs"

packages/opencode/migration/20260427172553_slow_nightmare/migration.sql

@@ -0,0 +1,17 @@
+CREATETABLE `session_message` (
+`id`textPRIMARY KEY,
+`session_id`textNOT NULL,
+`type`textNOT NULL,
+`time_created`integerNOT NULL,
+`time_updated`integerNOT NULL,
+`data`textNOT NULL,
+CONSTRAINT`fk_session_message_session_id_session_id_fk`FOREIGN KEY (`session_id`) REFERENCES`session`(`id`) ON DELETE CASCADE
+);
+--> statement-breakpoint
+DROPINDEX IF EXISTS `session_entry_session_idx`;--> statement-breakpoint
+DROPINDEX IF EXISTS `session_entry_session_type_idx`;--> statement-breakpoint
+DROPINDEX IF EXISTS `session_entry_time_created_idx`;--> statement-breakpoint
+CREATEINDEX `session_message_session_idx` ON`session_message` (`session_id`);--> statement-breakpoint
+CREATEINDEX `session_message_session_type_idx` ON`session_message` (`session_id`,`type`);--> statement-breakpoint
+CREATEINDEX `session_message_time_created_idx` ON`session_message` (`time_created`);--> statement-breakpoint
+DROPTABLE`session_entry`;