feat: Make /init an interactive flow conducted by the primary agent [LET-7891] (#1356)

src/reminders/catalog.ts

@@ -12,7 +12,6 @@ export type SharedReminderId =
   | "plan-mode"
   | "reflection-step-count"
   | "reflection-compaction"
-  | "deep-init"
   | "command-io"
   | "toolset-change"
   | "auto-init";
@@ -71,12 +70,6 @@ export const SHARED_REMINDER_CATALOG: ReadonlyArray<SharedReminderDefinition> =
         "Compaction-triggered reflection reminder/auto-launch behavior",
       modes: ["interactive", "headless-one-shot", "headless-bidirectional"],
     },
-    {
-      id: "deep-init",
-      description:
-        "Auto-launch deep memory init after shallow init + turn gate",
-      modes: ["interactive"],
-    },
     {
       id: "command-io",
       description: "Recent slash command input/output context",

src/reminders/engine.ts

@@ -39,7 +39,6 @@ export interface SharedReminderContext {
   maybeLaunchReflectionSubagent?: (
     triggerSource: ReflectionTriggerSource,
   ) => Promise<boolean>;
-  maybeLaunchDeepInitSubagent?: () => Promise<boolean>;
 }
 
 export type ReminderTextPart = { type: "text"; text: string };
@@ -213,29 +212,6 @@ async function buildAutoInitReminder(
   return AUTO_INIT_REMINDER;
 }
 
-// Disabled: deep init at turn 8 + reflection at turn 10 is too chaotic.
-// Re-enable once both subagent prompts are tuned to coexist.
-const DEEP_INIT_AUTO_LAUNCH_ENABLED = false;
-
-async function maybeLaunchDeepInit(
-  context: SharedReminderContext,
-): Promise<string | null> {
-  if (!DEEP_INIT_AUTO_LAUNCH_ENABLED) return null;
-  if (!context.state.shallowInitCompleted) return null;
-  if (context.state.deepInitFired) return null;
-  if (context.state.turnCount < 8) return null;
-
-  const memfsEnabled = settingsManager.isMemfsEnabled(context.agent.id);
-  if (!memfsEnabled) return null;
-
-  if (context.maybeLaunchDeepInitSubagent) {
-    // Don't latch deepInitFired here — it's set in the onComplete callback
-    // only on success, so a failed deep init allows automatic retry.
-    await context.maybeLaunchDeepInitSubagent();
-  }
-  return null;
-}
-
 const MAX_COMMAND_REMINDERS_PER_TURN = 10;
 const MAX_TOOLSET_REMINDERS_PER_TURN = 5;
 const MAX_COMMAND_INPUT_CHARS = 2000;
@@ -349,7 +325,6 @@ export const sharedReminderProviders: Record<
   "plan-mode": buildPlanModeReminder,
   "reflection-step-count": buildReflectionStepReminder,
   "reflection-compaction": buildReflectionCompactionReminder,
-  "deep-init": maybeLaunchDeepInit,
   "command-io": buildCommandIoReminder,
   "toolset-change": buildToolsetChangeReminder,
   "auto-init": buildAutoInitReminder,

src/reminders/state.ts

@@ -28,8 +28,6 @@ export interface SharedReminderState {
   pendingAutoInitReminder: boolean;
   pendingCommandIoReminders: CommandIoReminder[];
   pendingToolsetChangeReminders: ToolsetChangeReminder[];
-  shallowInitCompleted: boolean;
-  deepInitFired: boolean;
 }
 
 export function createSharedReminderState(): SharedReminderState {
@@ -42,8 +40,6 @@ export function createSharedReminderState(): SharedReminderState {
     pendingAutoInitReminder: false,
     pendingCommandIoReminders: [],
     pendingToolsetChangeReminders: [],
-    shallowInitCompleted: false,
-    deepInitFired: false,
   };
 }