fix: use Migrator.fromRecord for compiled binary support

Replace filesystem-based migration loading with static imports and
Migrator.fromRecord so migrations work in bun build --compile binaries
where FS.readDirectory cannot scan the virtual $bunfs filesystem.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: mepuka

src/db/migrations/store-catalog/index.ts

@@ -0,0 +1,5 @@
+import migration_001 from "./001_init.js";
+
+export const storeCatalogMigrations = {
+  "001_init": migration_001
+};

src/db/migrations/store-index/index.ts

@@ -0,0 +1,25 @@
+import migration_001 from "./001_init.js";
+import migration_002 from "./002_event_log.js";
+import migration_003 from "./003_fts_and_derived.js";
+import migration_004 from "./004_query_indexes.js";
+import migration_005 from "./005_post_lang.js";
+import migration_006 from "./006_has_embed.js";
+import migration_007 from "./007_event_seq_and_checkpoints.js";
+import migration_008 from "./008_image_alt_text.js";
+import migration_009 from "./009_store_sources.js";
+import migration_010 from "./010_quote_count.js";
+import migration_011 from "./011_reply_refs.js";
+
+export const storeIndexMigrations = {
+  "001_init": migration_001,
+  "002_event_log": migration_002,
+  "003_fts_and_derived": migration_003,
+  "004_query_indexes": migration_004,
+  "005_post_lang": migration_005,
+  "006_has_embed": migration_006,
+  "007_event_seq_and_checkpoints": migration_007,
+  "008_image_alt_text": migration_008,
+  "009_store_sources": migration_009,
+  "010_quote_count": migration_010,
+  "011_reply_refs": migration_011
+};

src/services/store-db.ts

@@ -2,7 +2,7 @@ import { FileSystem, Path } from "@effect/platform";
 import { Context, Effect, Exit, Layer, Ref, Scope } from "effect";
 import * as Reactivity from "@effect/experimental/Reactivity";
 import * as Migrator from "@effect/sql/Migrator";
-import * as MigratorFileSystem from "@effect/sql/Migrator/FileSystem";
+import { storeIndexMigrations } from "../db/migrations/store-index/index.js";
 import * as SqlClient from "@effect/sql/SqlClient";
 import { SqliteClient } from "@effect/sql-sqlite-bun";
 import { StoreIoError } from "../domain/errors.js";
@@ -49,9 +49,6 @@ import { AppConfigService } from "./app-config.js";
  * @module services/store-db
  */
 
-const migrationsDir = decodeURIComponent(
-  new URL("../db/migrations/store-index", import.meta.url).pathname
-);
 
 const toStoreIoError = (path: StorePath) => (cause: unknown) =>
   StoreIoError.make({ path, cause });
@@ -140,7 +137,7 @@ export class StoreDb extends Context.Tag("@skygent/StoreDb")<
       const clientLock = yield* Effect.makeSemaphore(1);
 
       const migrate = Migrator.make({})({
-        loader: MigratorFileSystem.fromFileSystem(migrationsDir)
+        loader: Migrator.fromRecord(storeIndexMigrations)
       });
 
       const optimizeClient = (client: SqlClient.SqlClient) =>
@@ -186,8 +183,7 @@ export class StoreDb extends Context.Tag("@skygent/StoreDb")<
           yield* client`PRAGMA optimize=0x10002`;
           yield* client`PRAGMA foreign_keys = ON`;
           yield* migrate.pipe(
-            Effect.provideService(SqlClient.SqlClient, client),
-            Effect.provideService(FileSystem.FileSystem, fs)
+            Effect.provideService(SqlClient.SqlClient, client)
           );
 
           return { client, scope: clientScope };

src/services/store-manager.ts

@@ -59,7 +59,7 @@ import { FileSystem, Path } from "@effect/platform";
 import { Chunk, Clock, Context, Effect, Exit, Layer, Option, Schema, Scope } from "effect";
 import * as Reactivity from "@effect/experimental/Reactivity";
 import * as Migrator from "@effect/sql/Migrator";
-import * as MigratorFileSystem from "@effect/sql/Migrator/FileSystem";
+import { storeCatalogMigrations } from "../db/migrations/store-catalog/index.js";
 import * as SqlClient from "@effect/sql/SqlClient";
 import * as SqlSchema from "@effect/sql/SqlSchema";
 import { SqliteClient } from "@effect/sql-sqlite-bun";
@@ -68,9 +68,6 @@ import { StoreConfig, StoreMetadata, StoreRef } from "../domain/store.js";
 import { StoreName, StorePath } from "../domain/primitives.js";
 import { AppConfigService } from "./app-config.js";
 
-const migrationsDir = decodeURIComponent(
-  new URL("../db/migrations/store-catalog", import.meta.url).pathname
-);
 
 const storeRootKey = (name: StoreName) => `stores/${name}`;
 const manifestPath = Schema.decodeUnknownSync(StorePath)("stores");
@@ -233,11 +230,10 @@ export class StoreManager extends Context.Tag("@skygent/StoreManager")<
       );
 
       const migrate = Migrator.make({})({
-        loader: MigratorFileSystem.fromFileSystem(migrationsDir)
+        loader: Migrator.fromRecord(storeCatalogMigrations)
       });
       yield* migrate.pipe(
-        Effect.provideService(SqlClient.SqlClient, client),
-        Effect.provideService(FileSystem.FileSystem, fs)
+        Effect.provideService(SqlClient.SqlClient, client)
       );
 
       const decodeMetadataRow = (row: typeof storeRow.Type) =>