fix: add dedicated training feature flag and remove unused insight type

- Add `ALTIMATE_DISABLE_TRAINING` flag independent of memory's disable flag
- Use new flag in session prompt injection and tool registry
- Remove unused `budget-warning` insight type from `TrainingInsight`

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: anandgupta42

packages/opencode/src/altimate/training/insights.ts

@@ -5,7 +5,7 @@ import { TrainingStore, type TrainingEntry } from "./store"
 import { TRAINING_MAX_PATTERNS_PER_KIND, type TrainingKind } from "./types"
 
 export interface TrainingInsight {
-  type: "stale" | "high-value" | "near-limit" | "budget-warning" | "consolidation"
+  type: "stale" | "high-value" | "near-limit" | "consolidation"
   severity: "info" | "warning"
   message: string
   entries?: string[]

packages/opencode/src/flag/flag.ts

@@ -36,6 +36,9 @@ export namespace Flag {
   // altimate_change start - opt-in for session-end auto-extraction
   export const ALTIMATE_MEMORY_AUTO_EXTRACT = altTruthy("ALTIMATE_MEMORY_AUTO_EXTRACT", "OPENCODE_MEMORY_AUTO_EXTRACT")
   // altimate_change end
+  // altimate_change start - opt-out for AI Teammate training system
+  export const ALTIMATE_DISABLE_TRAINING = altTruthy("ALTIMATE_DISABLE_TRAINING", "OPENCODE_DISABLE_TRAINING")
+  // altimate_change end
   export const OPENCODE_DISABLE_TERMINAL_TITLE = truthy("OPENCODE_DISABLE_TERMINAL_TITLE")
   export const OPENCODE_PERMISSION = process.env["OPENCODE_PERMISSION"]
   export const OPENCODE_DISABLE_DEFAULT_PLUGINS = truthy("OPENCODE_DISABLE_DEFAULT_PLUGINS")

packages/opencode/src/session/prompt.ts

@@ -698,7 +698,7 @@ export namespace SessionPrompt {
       // Inject persistent memory blocks from previous sessions (gated by feature flag)
       const memoryInjection = Flag.ALTIMATE_DISABLE_MEMORY ? "" : await MemoryPrompt.inject()
       // altimate_change start - inject training knowledge from AI teammate learning
-      const trainingInjection = Flag.ALTIMATE_DISABLE_MEMORY ? "" : await TrainingPrompt.inject()
+      const trainingInjection = Flag.ALTIMATE_DISABLE_TRAINING ? "" : await TrainingPrompt.inject()
       // altimate_change end
       const system = [
         ...(await SystemPrompt.environment(model)),

packages/opencode/src/tool/registry.ts

@@ -284,7 +284,7 @@ export namespace ToolRegistry {
       ...(!Flag.ALTIMATE_DISABLE_MEMORY ? [MemoryReadTool, MemoryWriteTool, MemoryDeleteTool, MemoryAuditTool, ...(Flag.ALTIMATE_MEMORY_AUTO_EXTRACT ? [MemoryExtractTool] : [])] : []),
       // altimate_change end
       // altimate_change start - register training tools for AI teammate
-      ...(!Flag.ALTIMATE_DISABLE_MEMORY ? [TrainingSaveTool, TrainingListTool, TrainingRemoveTool] : []),
+      ...(!Flag.ALTIMATE_DISABLE_TRAINING ? [TrainingSaveTool, TrainingListTool, TrainingRemoveTool] : []),
       // altimate_change end
       ...custom,
     ]