feat: proxmox idlewatcher (#88)

* feat: idle sleep for proxmox LXCs

* refactor: replace deprecated docker api types

* chore(api): remove debug task list endpoint

* refactor: move servemux to gphttp/servemux; favicon.go to v1/favicon

* refactor: introduce Pool interface, move agent_pool to agent module

* refactor: simplify api code

* feat: introduce debug api

* refactor: remove net.URL and net.CIDR types, improved unmarshal handling

* chore: update Makefile for debug build tag, update README

* chore: add gperr.Unwrap method

* feat: relative time and duration formatting

* chore: add ROOT_DIR environment variable, refactor

* migration: move homepage override and icon cache to $BASE_DIR/data, add migration code

* fix: nil dereference on marshalling service health

* fix: wait for route deletion

* chore: enhance tasks debuggability

* feat: stdout access logger and MultiWriter

* fix(agent): remove agent properly on verify error

* fix(metrics): disk exclusion logic and added corresponding tests

* chore: update schema and prettify, fix package.json and Makefile

* fix: I/O buffer not being shrunk before putting back to pool

* feat: enhanced error handling module

* chore: deps upgrade

* feat: better value formatting and handling

---------

Co-authored-by: yusing <yusing@6uo.me>

internal/gperr/base.go

@@ -1,9 +1,10 @@
 package gperr
 
 import (
-	"encoding/json"
 	"errors"
 	"fmt"
+
+	"encoding/json"
 )
 
 // baseError is an immutable wrapper around an error.
@@ -48,17 +49,6 @@ func (err *baseError) Error() string {
 	return err.Err.Error()
 }
 
-// MarshalJSON implements the json.Marshaler interface.
 func (err *baseError) MarshalJSON() ([]byte, error) {
-	//nolint:errorlint
-	switch err := err.Err.(type) {
-	case Error, *withSubject:
-		return json.Marshal(err)
-	case json.Marshaler:
-		return err.MarshalJSON()
-	case interface{ MarshalText() ([]byte, error) }:
-		return err.MarshalText()
-	default:
-		return json.Marshal(err.Error())
-	}
+	return json.Marshal(err.Err)
 }