feat(skills): Improve parallel beads workflow with in_review status

- Add step to mark beads as 'in_review' after PR creation
- Add PR URL to bead notes for traceability
- Create reconcile_beads skill to close beads when PRs are merged
- Update summary table to show bead status instead of generic status

Implements bead: nixos-configs-85h

home/roles/development/skills/parallel_beads.md

@@ -93,7 +93,13 @@ Work on bead [BEAD_ID]: [BEAD_TITLE]
      - [List of changes made]"
      ```
 
-6. **Report results**:
+6. **Update bead status**:
+   - Mark the bead as "in_review": `bd update [BEAD_ID] --status=in_review`
+   - Add the PR URL to the bead notes: `bd update [BEAD_ID] --notes="$(bd show [BEAD_ID] --json | jq -r '.notes')
+
+PR: [PR_URL]"`
+
+7. **Report results**:
    - Return: PR URL, bead ID, success/failure status
    - If blocked or unable to complete, explain what's blocking progress
 ```
@@ -165,11 +171,11 @@ Example output:
 ```
 ## Parallel Beads Summary
 
-| Bead | PR | Status | Review |
-|------|-----|--------|--------|
-| beads-abc | #123 | Success | Approved |
-| beads-xyz | #124 | Success | Needs changes |
-| beads-123 | - | Failed | Blocked by missing dependency |
+| Bead | PR | Bead Status | Review |
+|------|-----|-------------|--------|
+| beads-abc | #123 | in_review | Approved |
+| beads-xyz | #124 | in_review | Needs changes |
+| beads-123 | - | open (failed) | Blocked by missing dependency |
 
 ### Failures/Blockers
 - beads-123: Could not complete because [reason]
@@ -177,6 +183,7 @@ Example output:
 ### Next Steps
 - Review PRs that need changes
 - Address blockers for failed beads
+- Run `/reconcile_beads` after PRs are merged to close beads
 ```
 
 ## Error Handling