Add native Windows support (#91)

- Native Windows daemon using TCP loopback endpoints
- Direct-mode fallback for CLI/daemon compatibility
- Comment operations over RPC
- PowerShell installer script
- Go 1.24 requirement
- Cross-OS testing documented

Co-authored-by: danshapiro <danshapiro@users.noreply.github.com>
Amp-Thread-ID: https://ampcode.com/threads/T-c6230265-055f-4af1-9712-4481061886db
Co-authored-by: Amp <amp@ampcode.com>

cmd/bd/rename_prefix.go

@@ -142,7 +142,7 @@ func renamePrefixInDB(ctx context.Context, oldPrefix, newPrefix string, issues [
 	// the database in a mixed state with some issues renamed and others not.
 	// For production use, consider implementing a single atomic RenamePrefix() method
 	// in the storage layer that wraps all updates in one transaction.
-	
+
 	oldPrefixPattern := regexp.MustCompile(`\b` + regexp.QuoteMeta(oldPrefix) + `-(\d+)\b`)
 
 	replaceFunc := func(match string) string {