refactor: move act under internal

The runner is an application, not a library. `act/model` and
`act/exprparser` were the last packages anything outside this repository
consumed and they now live in actionslib, so nothing needs the rest of
`act` to be importable, and keeping it importable invites the coupling
that was just removed.

Import paths only, the files are unchanged.

Assisted-by: Codet:GPT-5.1-Codex

internal/act/common/logger.go

@@ -0,0 +1,52 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Copyright 2020 The nektos/act Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package common
+
+import (
+	"context"
+
+	"github.com/sirupsen/logrus"
+)
+
+type loggerContextKey string
+
+const loggerContextKeyVal = loggerContextKey("logrus.FieldLogger")
+
+// Logger returns the appropriate logger for current context
+func Logger(ctx context.Context) logrus.FieldLogger {
+	val := ctx.Value(loggerContextKeyVal)
+	if val != nil {
+		if logger, ok := val.(logrus.FieldLogger); ok {
+			return logger
+		}
+	}
+	return logrus.StandardLogger()
+}
+
+// WithLogger adds a value to the context for the logger
+func WithLogger(ctx context.Context, logger logrus.FieldLogger) context.Context {
+	return context.WithValue(ctx, loggerContextKeyVal, logger)
+}
+
+type loggerHookKey string
+
+const loggerHookKeyVal = loggerHookKey("logrus.Hook")
+
+// LoggerHook returns the appropriate logger hook for current context
+// the hook affects job logger, not global logger
+func LoggerHook(ctx context.Context) logrus.Hook {
+	val := ctx.Value(loggerHookKeyVal)
+	if val != nil {
+		if hook, ok := val.(logrus.Hook); ok {
+			return hook
+		}
+	}
+	return nil
+}
+
+// WithLoggerHook adds a value to the context for the logger hook
+func WithLoggerHook(ctx context.Context, hook logrus.Hook) context.Context {
+	return context.WithValue(ctx, loggerHookKeyVal, hook)
+}