fix(app): stabilize tool stream lifecycle

AGENTS.md

@@ -33,6 +33,6 @@ cp -R dist/Halos.app ~/Applications/
 - `main/` — shared trunk
 - `claude/` — Claude on `claude/workspace`
 - `codex/` — Codex on `codex/workspace`
-- `clif/` — Clif (OpenClaw) on `clif/workspace` — no CLAUDE/AGENTS file
+- `huma/` — Huma on `huma/workspace`
 
-One agent per worktree. Don't use a sibling worktree as scratch.
+One agent per worktree. Don't use a sibling worktree as scratch. Don't create additional worktrees unless Fischer explicitly asks.

Sources/Halos/Models/RunToolRollup.swift

@@ -1,16 +1,27 @@
 import Foundation
 
+struct PluginToolDetail: Equatable {
+    let pluginName: String
+    let action: String
+
+    var displayText: String {
+        "\(pluginName): \(action)"
+    }
+}
+
 struct RunToolRollup {
     var toolNamesByCallID: [String: String] = [:]
     var toolCategoriesByName: [String: GatewayStreamFormatter.ToolCategory] = [:]
     var toolCounts: [String: Int] = [:]
     var toolActionCounts: [String: Int] = [:]
     var compactActionCounts: [String: Int] = [:]
+    var activeToolCallIDsByName: [String: Set<String>] = [:]
+    var activePluginCallIDsByName: [String: Set<String>] = [:]
     var activeTools: Set<String> = []
     var failedTools: Set<String> = []
     var activePlugins: Set<String> = []
-    var latestEndedPlugin: String?
-    var pluginDetails: [String] = []
+    var latestPluginName: String?
+    var pluginDetails: [PluginToolDetail] = []
     var toolDetails: [String] = []
     var latestSummary: String?
 
@@ -20,6 +31,51 @@ struct RunToolRollup {
             || !pluginDetails.isEmpty
             || !toolCounts.isEmpty
     }
+
+    mutating func markActive(toolCallID: String, title: String, category: GatewayStreamFormatter.ToolCategory) {
+        activeToolCallIDsByName[title, default: []].insert(toolCallID)
+        if category == .plugin {
+            activePluginCallIDsByName[title, default: []].insert(toolCallID)
+        }
+        refreshActiveNames()
+    }
+
+    mutating func markComplete(toolCallID: String, title: String, category: GatewayStreamFormatter.ToolCategory) {
+        activeToolCallIDsByName[title]?.remove(toolCallID)
+        if activeToolCallIDsByName[title]?.isEmpty == true {
+            activeToolCallIDsByName.removeValue(forKey: title)
+        }
+        if category == .plugin {
+            activePluginCallIDsByName[title]?.remove(toolCallID)
+            if activePluginCallIDsByName[title]?.isEmpty == true {
+                activePluginCallIDsByName.removeValue(forKey: title)
+            }
+        }
+        refreshActiveNames()
+    }
+
+    mutating func markAllComplete(title: String, category: GatewayStreamFormatter.ToolCategory) {
+        activeToolCallIDsByName.removeValue(forKey: title)
+        if category == .plugin {
+            activePluginCallIDsByName.removeValue(forKey: title)
+        }
+        refreshActiveNames()
+    }
+
+    mutating func clearActiveCalls() {
+        activeToolCallIDsByName.removeAll()
+        activePluginCallIDsByName.removeAll()
+        refreshActiveNames()
+    }
+
+    private mutating func refreshActiveNames() {
+        activeTools = Set(activeToolCallIDsByName.compactMap { name, callIDs in
+            callIDs.isEmpty ? nil : name
+        })
+        activePlugins = Set(activePluginCallIDsByName.compactMap { name, callIDs in
+            callIDs.isEmpty ? nil : name
+        })
+    }
 }
 
 struct LocalSessionTitleOverride: Codable, Equatable {