Revert "Agents: improve Windows scaffold helpers for venture studio"

This reverts commit b6d934c2c7.

src/agents/system-prompt.ts

@@ -1,9 +1,9 @@
 import type { ReasoningLevel, ThinkLevel } from "../auto-reply/thinking.js";
-import { SILENT_REPLY_TOKEN } from "../auto-reply/tokens.js";
 import type { MemoryCitationsMode } from "../config/types.memory.js";
-import { listDeliverableMessageChannels } from "../utils/message-channel.js";
 import type { ResolvedTimeFormat } from "./date-time.js";
 import type { EmbeddedContextFile } from "./pi-embedded-helpers.js";
+import { SILENT_REPLY_TOKEN } from "../auto-reply/tokens.js";
+import { listDeliverableMessageChannels } from "../utils/message-channel.js";
 import { sanitizeForPromptLiteral } from "./sanitize-for-prompt.js";
 
 /**
@@ -265,10 +265,6 @@ export function buildAgentSystemPrompt(params: {
     subagents: "List, steer, or kill sub-agent runs for this requester session",
     session_status:
       "Show a /status-equivalent status card (usage + time + Reasoning/Verbose/Elevated); use for model-use questions (📊 session_status); optional per-session model override",
-    architect_pipeline:
-      "Manage Architect CEO orchestration state and audit decision gates for multi-agent build loops",
-    venture_studio:
-      "Capture web/forum pain-point research and generate monetized app plans + workflow documents; pair with web_search/web_fetch for source discovery",
     image: "Analyze an image with the configured image model",
   };
 
@@ -296,8 +292,6 @@ export function buildAgentSystemPrompt(params: {
     "sessions_send",
     "subagents",
     "session_status",
-    "architect_pipeline",
-    "venture_studio",
     "image",
   ];