fix(runtime): restore tool timeout backoff state

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Co-authored-by: phantom5099 <245659304+phantom5099@users.noreply.github.com>

Author: xgopilot

internal/runtime/state.go

@@ -12,50 +12,51 @@ import (
 
 // runState 汇总单次 Run 生命周期内会变化的会话与计量状态。
 type runState struct {
-	mu                             sync.Mutex
-	runID                          string
-	runToken                       uint64
-	session                        agentsession.Session
-	effectiveWorkdir               string
-	compactCount                   int
-	reactiveCompactAttempts        int
-	rememberedThisRun              bool
-	planningEnabled                bool
-	taskID                         string
-	agentID                        string
-	capabilityToken                *security.CapabilityToken
-	nextAttemptSeq                 int
-	turn                           int
-	baseLifecycle                  controlplane.RunState
-	lifecycle                      controlplane.RunState
-	waitingPermissionCount         int
-	compactingCount                int
-	stopEmitted                    bool
-	budgetExceeded                 bool
-	maxTurnsReached                bool
-	maxTurnsLimit                  int
-	userGoal                       string
+	mu                            sync.Mutex
+	runID                         string
+	runToken                      uint64
+	session                       agentsession.Session
+	effectiveWorkdir              string
+	compactCount                  int
+	reactiveCompactAttempts       int
+	rememberedThisRun             bool
+	planningEnabled               bool
+	taskID                        string
+	agentID                       string
+	capabilityToken               *security.CapabilityToken
+	nextAttemptSeq                int
+	turn                          int
+	baseLifecycle                 controlplane.RunState
+	lifecycle                     controlplane.RunState
+	waitingPermissionCount        int
+	compactingCount               int
+	stopEmitted                   bool
+	budgetExceeded                bool
+	maxTurnsReached               bool
+	maxTurnsLimit                 int
+	userGoal                      string
 	missingCompletionSignalStreak int
 	pendingSystemReminder         string
-	factsCollector                 *runtimefacts.Collector
-	terminalStatus                 controlplane.TerminalStatus
-	terminalStopReason             controlplane.StopReason
-	terminalStopDetail             string
-	terminalSet                    bool
-	hasUnknownUsage                bool
-	completion                     controlplane.CompletionState
-	progress                       controlplane.ProgressState
-	lastEndOfTurnCheckpointID      string
-	runCheckpointID                string
-	hasRunWorkspaceWrite           bool
-	hookAnnotations                []string
-	hookNotifications              []queuedHookNotification
-	hookNotificationSeen           map[string]time.Time
-	hookNotificationOmitted        int
-	reportedMissingSkills          map[string]struct{}
-	thinkingOverride               *ThinkingOverride
-	pendingUserQuestion            *UserQuestionRequestedPayload
-	disableTools                   bool
+	toolTimeoutBackoff            map[string]int
+	factsCollector                *runtimefacts.Collector
+	terminalStatus                controlplane.TerminalStatus
+	terminalStopReason            controlplane.StopReason
+	terminalStopDetail            string
+	terminalSet                   bool
+	hasUnknownUsage               bool
+	completion                    controlplane.CompletionState
+	progress                      controlplane.ProgressState
+	lastEndOfTurnCheckpointID     string
+	runCheckpointID               string
+	hasRunWorkspaceWrite          bool
+	hookAnnotations               []string
+	hookNotifications             []queuedHookNotification
+	hookNotificationSeen          map[string]time.Time
+	hookNotificationOmitted       int
+	reportedMissingSkills         map[string]struct{}
+	thinkingOverride              *ThinkingOverride
+	pendingUserQuestion           *UserQuestionRequestedPayload
+	disableTools                  bool
 }
 
 // newRunState 基于持久化会话创建一次运行的内存状态镜像。