feat(instructions): Emphasize need for documentation in plan

prior to proceeding to the next phase

Author: mrsimpson

packages/core/src/instruction-generator.ts

@@ -115,6 +115,8 @@ export class InstructionGenerator implements IInstructionGenerator {
 
 **ACTION REQUIRED: Focus on "${phaseName}" tasks** and log decisions in "Key Decisions"
 
+**When all tasks are completed**: Make sure that all insights and decisions are captured in \`${conversationContext.planFilePath}\`. Then call proceed_to_phase to move to the next phase.
+
 **CRITICAL: Do NOT use other task/todo tools** - use only the plan file for task tracking`;
 
     // Add file restriction guidance if patterns are restricted

packages/opencode-plugin/src/plugin.ts

@@ -480,7 +480,7 @@ export const WorkflowsPlugin: Plugin = async (
 Current phase "${state.phase}" only allows editing:
 ${allowedList}
 
-ACTION REQUIRED: Use transition_phase tool to move to a phase that allows editing this file type, OR focus on files matching the allowed patterns above.`;
+ACTION REQUIRED: Use proceed_to_phase tool to move to a phase that allows editing this file type, OR focus on files matching the allowed patterns above.`;
 
         logger.error('BLOCKING edit', {
           filePath,