feat(platform): slash spanKind metadata for Phase 538

Add spanKind and activeChannelId to slash.register, slash.delete, and
slash.invoke span ends for integrations observability.

Co-authored-by: Cursor <[email protected]>

README.md

@@ -45,6 +45,8 @@ Expose a single `EventEmitter` API the UI drives over IPC (`apps/pearcord/index.
 
 **v0.8.452 (Phase 489):** `slash.register` `customCount`; `slash.delete` `deleted`; `slash.invoke` `replyLen`/`commandFound`. UI slash compositor + hints. Bundle: `npm run test:phase489-slash`. See [SLASH_COMMANDS.md](../../docs/SLASH_COMMANDS.md).
 
+**v0.8.501 (Phase 538):** Slash spans extend — `slash.register`/`slash.delete`/`slash.invoke` end metadata (`spanKind`, `activeChannelId`). UI slash panel compositor wrappers, slash row `lastSlashRowId` + roving `tabindex`, clipboard slash busy flags. Bundle: `npm run test:phase538-slash`. See [SLASH_COMMANDS.md](../../docs/SLASH_COMMANDS.md).
+
 **v0.8.500 (Phase 537):** Webhook spans extend — `webhook.create`/`webhook.delete`/`webhook.execute` end metadata (`spanKind`, `activeChannelId`). UI webhook panel compositor wrappers, webhook row `lastWebhookRowId` + roving `tabindex`, clipboard webhook busy flags. Bundle: `npm run test:phase537-webhooks`. See [WEBHOOKS.md](../../docs/WEBHOOKS.md).
 
 **v0.8.451 (Phase 488):** `webhook.create` `channelType`/`hasAvatar`; `webhook.execute` `messageSent`. UI webhook compositor split + hints. Bundle: `npm run test:phase488-webhooks`. See [WEBHOOKS.md](../../docs/WEBHOOKS.md).

index.js

@@ -8607,7 +8607,9 @@ class PearcordPlatform extends EventEmitter {
         registered: rows.length,
         guildId,
         firstName: rows[0]?.name || null,
-        customCount: rows.filter((r) => !r.builtin).length
+        customCount: rows.filter((r) => !r.builtin).length,
+        spanKind: 'slash.register',
+        activeChannelId: this.activeChannelId
       })
       return rows
     } catch (err) {
@@ -8643,7 +8645,13 @@ class PearcordPlatform extends EventEmitter {
         meta: { name: removed.name }
       })
       this.emit('slash-command')
-      span.end({ name: removed.name, guildId, deleted: !!removed })
+      span.end({
+        name: removed.name,
+        guildId,
+        deleted: !!removed,
+        spanKind: 'slash.delete',
+        activeChannelId: this.activeChannelId
+      })
       return removed
     } catch (err) {
       this.log.error('slash.delete error', {
@@ -11092,7 +11100,9 @@ class PearcordPlatform extends EventEmitter {
         ephemeral: !!opts.ephemeral,
         builtin: !!result.command?.builtin,
         replyLen: reply.length,
-        commandFound: !!result.command
+        commandFound: !!result.command,
+        spanKind: 'slash.invoke',
+        activeChannelId: this.activeChannelId
       })
       return msg
     } catch (err) {