fix: shorten temporary ID aw_workshop_simulation_parent to aw_sim_parent (#1388)

Author: Copilot

.github/workflows/workshop-student-simulator.lock.yml

@@ -399,7 +399,7 @@ If `${{ env.WORKSHOP_STEP_COUNT }}` > 0, use the available tools to read up to 3
 
 Use `create-issue` safe output with:
 
-- `temporary_id`: `aw_workshop_simulation_parent` (safe-outputs requires the `aw_` prefix; this parent issue handle is used by child issues in step 8)
+- `temporary_id`: `aw_sim_parent` (safe-outputs requires the `aw_` prefix; this parent issue handle is used by child issues in step 8)
 - **Title**: `Workshop Simulation Report — ${{ env.TODAY }} (Run #N, ${{ env.MONTE_CARLO_RUNS }}×Monte Carlo)`
 - where N is the total accumulated runs across all students divided by 46 (round to nearest integer).
 
@@ -469,7 +469,7 @@ Briefly cover one surprising success, one unexpected dropout, and one content-ga
 ### Create actionable sub-issues for repairs
 
 After creating the report issue, create **exactly 3 child issues** using `create-issue` where each issue:
-- sets `parent: "aw_workshop_simulation_parent"` to link directly to the parent from step 7
+- sets `parent: "aw_sim_parent"` to link directly to the parent from step 7
 - has a concise, imperative title starting with `Repair:` or `Improve:`
 - describes one concrete workshop improvement only
 - ties the change back to the current quantitative rubric scores for that step