1# planning-with-files: resolve active plan directory (PowerShell mirror).
2#
3# Resolution order matches scripts/resolve-plan-dir.sh:
4#   1. $env:PLAN_ID -> .\.planning\$PLAN_ID\
5#   2. .\.planning\.active_plan content
6#   3. Newest .\.planning\<dir>\ by LastWriteTime
7#   4. Empty (legacy fallback to .\task_plan.md handled by caller)
8 
9param(
10    [string]$PlanRoot = (Join-Path (Get-Location) ".planning")
11)
12 
13$activeFile = Join-Path $PlanRoot ".active_plan"
14 
15if ($env:PLAN_ID) {
16    $candidate = Join-Path $PlanRoot $env:PLAN_ID
17    if (Test-Path $candidate -PathType Container) {
18        Write-Output $candidate
19        exit 0
20    }
21}
22 
23if (Test-Path $activeFile) {
24    $planId = (Get-Content $activeFile -Raw).Trim()
25    if ($planId) {
26        $candidate = Join-Path $PlanRoot $planId
27        if (Test-Path $candidate -PathType Container) {
28            Write-Output $candidate
29            exit 0
30        }
31    }
32}
33 
34if (Test-Path $PlanRoot -PathType Container) {
35    $latest = Get-ChildItem -Path $PlanRoot -Directory |
36        Where-Object { -not $_.Name.StartsWith('.') } |
37        Sort-Object LastWriteTime -Descending |
38        Select-Object -First 1
39    if ($latest) {
40        Write-Output $latest.FullName
41    }
42}
43 
44exit 0
45