feat: add safe miner control foundation

agents/windows/uninstall.ps1

@@ -0,0 +1,21 @@
+#Requires -RunAsAdministrator
+$ErrorActionPreference = "Stop"
+
+$Target = "C:\MinerOpsAgent"
+$Tasks = @(
+    "MinerOpsAgent", "MinerOpsAgentTray", "MinerOpsApi3Enrichment", "MinerOpsPoolPoller"
+)
+foreach ($name in $Tasks) {
+    Unregister-ScheduledTask -TaskName $name -Confirm:$false -ErrorAction SilentlyContinue
+}
+
+$RuntimeFiles = @(
+    "MinerOpsAgentService.ps1", "MinerOpsAgentTray.ps1", "MinerOpsAgentGUI.ps1",
+    "MinerOpsApi3EnrichmentPoller.ps1", "MinerOpsPoolPoller.ps1",
+    "MinerOpsPoolPollerTask.ps1", "EnrichOneMiner.ps1", "MinerOpsControl.ps1",
+    "VERSION"
+)
+foreach ($name in $RuntimeFiles) {
+    Remove-Item (Join-Path $Target $name) -Force -ErrorAction SilentlyContinue
+}
+Write-Host "MinerOps Agent tasks and code removed. Config, state, logs, and backups were preserved."