refactor: harden diagnostics and consolidate runtime code

audit/internal/webui/jobs.go

@@ -7,7 +7,6 @@ import (
 	"os"
 	"strings"
 	"sync"
-	"time"
 )
 
 // jobState holds the output lines and completion status of an async job.
@@ -134,29 +133,6 @@ func (j *jobState) subscribe() ([]string, <-chan string) {
 	return existing, ch
 }
 
-// jobManager manages async jobs identified by string IDs.
-type jobManager struct {
-	mu   sync.Mutex
-	jobs map[string]*jobState
-}
-
-var globalJobs = &jobManager{jobs: make(map[string]*jobState)}
-
-func (m *jobManager) create(id string) *jobState {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	j := &jobState{}
-	m.jobs[id] = j
-	// Schedule cleanup after 30 minutes
-	goRecoverOnce("job cleanup", func() {
-		time.Sleep(30 * time.Minute)
-		m.mu.Lock()
-		delete(m.jobs, id)
-		m.mu.Unlock()
-	})
-	return j
-}
-
 // isDone returns true if the job has finished (either successfully or with error).
 func (j *jobState) isDone() bool {
 	j.mu.Lock()
@@ -164,13 +140,6 @@ func (j *jobState) isDone() bool {
 	return j.done
 }
 
-func (m *jobManager) get(id string) (*jobState, bool) {
-	m.mu.Lock()
-	defer m.mu.Unlock()
-	j, ok := m.jobs[id]
-	return j, ok
-}
-
 func newTaskJobState(logPath string, serialPrefix ...string) *jobState {
 	j := &jobState{logPath: logPath}
 	if len(serialPrefix) > 0 {