fix: Add run_in_background=false to all agent Task invocations

Ensure all agent executions wait for results before proceeding.
Modified 20 workflow command files with 32 Task call updates.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/commands/workflow/tools/conflict-resolution.md

@@ -108,7 +108,7 @@ Phase 4: Apply Modifications
 
 **Agent Delegation**:
 ```javascript
-Task(subagent_type="cli-execution-agent", prompt=`
+Task(subagent_type="cli-execution-agent", run_in_background=false, prompt=`
   ## Context
   - Session: {session_id}
   - Risk: {conflict_risk}