Merge remote-tracking branch 'prhead/feat/slack-text-streaming'

# Conflicts:
#	docs/channels/slack.md
#	src/config/types.slack.ts
#	src/slack/monitor/message-handler/dispatch.ts

src/config/zod-schema.providers-core.ts

@@ -546,6 +546,7 @@ export const SlackAccountSchema = z
     chunkMode: z.enum(["length", "newline"]).optional(),
     blockStreaming: z.boolean().optional(),
     blockStreamingCoalesce: BlockStreamingCoalesceSchema.optional(),
+    streaming: z.boolean().optional(),
     mediaMaxMb: z.number().positive().optional(),
     reactionNotifications: z.enum(["off", "own", "all", "allowlist"]).optional(),
     reactionAllowlist: z.array(z.union([z.string(), z.number()])).optional(),