chore: Code quality improvements and CHANGELOG update

- Fix unused imports (getContext, sessionContext)
- Update CHANGELOG with v5.1.2 release notes
- Maintain clean codebase standards

Author: rwese

CHANGELOG.md

@@ -1,5 +1,24 @@
 # Changelog
 
+## [5.1.2] - 2026-01-14
+
+### Fixed
+
+- Goal validation prompt issues causing JSON parse errors and stuck state
+- Agents now properly understand that goal_validate() is available after goal_done()
+- Removed problematic prompt injection during tool execution that caused conflicts
+
+### Changed
+
+- Enhanced goal_done() response with clear messaging about goal_validate() availability
+- Improved goal_validate tool description for better agent understanding
+- Better error handling in goal validation workflow
+
+### Code Quality
+
+- Removed unused imports (getContext, sessionContext)
+- Fixed linting errors in packages/goals/index.ts and src/plugin.ts
+
 ## [5.1.0] - 2026-01-14
 
 ### Added

package-lock.json

@@ -5,7 +5,7 @@
 
 import type { Plugin, PluginInput, Goal, GoalManagement as IGoalManagement } from "../tools/types.js";
 import { createLogger } from "../tools/logger.js";
-import { updateContext, getContext } from "../tools/session-context.js";
+import { updateContext } from "../tools/session-context.js";
 import { getEffectiveConfig } from "../../config.js";
 
 // Get debug level from config - use silent if debug is disabled

packages/goals/index.ts

@@ -24,7 +24,7 @@ export function updateContext(
 /**
  * Get session context
  */
-// eslint-disable-next-line @typescript-eslint/no-unused-vars
+ 
 export function getContext(sessionID: string): SessionContext {
   return sessionContexts.get(sessionID) || {};
 }

packages/tools/session-context.ts

@@ -11,7 +11,7 @@ import { createTaskContinuation } from "./goal/continuation.js";
 import { createGoalManagement } from "./goal/management.js";
 import { createGoalTools } from "./tools/goal/index.js";
 import { createGoalContextInjection } from "./goal-context-injection.js";
-import { initSessionContext, sessionContext } from "./session-context.js";
+import { initSessionContext } from "./session-context.js";
 
 /**
  * Agent Loop Plugin