feat(settings): add auto compaction controls (#1346)

* feat(settings): add auto compaction controls

* fix(settings): polish auto compaction

Author: zerob13

CLAUDE.md

@@ -0,0 +1 @@
+AGENTS.md

CLAUDE.md

@@ -84,6 +84,9 @@ interface IAppSettings {
   lastSyncTime?: number // Last sync time
   customSearchEngines?: string // Custom search engines JSON string
   copyWithCotEnabled?: boolean
+  autoCompactionEnabled?: boolean
+  autoCompactionTriggerThreshold?: number
+  autoCompactionRetainRecentPairs?: number
   loggingEnabled?: boolean // Whether logging is enabled
   floatingButtonEnabled?: boolean // Whether floating button is enabled
   default_system_prompt?: string // Default system prompt
@@ -153,6 +156,9 @@ export class ConfigPresenter implements IConfigPresenter {
         syncFolderPath: path.join(this.userDataPath, 'sync'),
         lastSyncTime: 0,
         copyWithCotEnabled: true,
+        autoCompactionEnabled: true,
+        autoCompactionTriggerThreshold: 80,
+        autoCompactionRetainRecentPairs: 2,
         loggingEnabled: false,
         floatingButtonEnabled: false,
         fontFamily: '',
@@ -941,6 +947,30 @@ export class ConfigPresenter implements IConfigPresenter {
     this.uiSettingsHelper.setAutoScrollEnabled(enabled)
   }
 
+  getAutoCompactionEnabled(): boolean {
+    return this.uiSettingsHelper.getAutoCompactionEnabled()
+  }
+
+  setAutoCompactionEnabled(enabled: boolean): void {
+    this.uiSettingsHelper.setAutoCompactionEnabled(enabled)
+  }
+
+  getAutoCompactionTriggerThreshold(): number {
+    return this.uiSettingsHelper.getAutoCompactionTriggerThreshold()
+  }
+
+  setAutoCompactionTriggerThreshold(threshold: number): void {
+    this.uiSettingsHelper.setAutoCompactionTriggerThreshold(threshold)
+  }
+
+  getAutoCompactionRetainRecentPairs(): number {
+    return this.uiSettingsHelper.getAutoCompactionRetainRecentPairs()
+  }
+
+  setAutoCompactionRetainRecentPairs(count: number): void {
+    this.uiSettingsHelper.setAutoCompactionRetainRecentPairs(count)
+  }
+
   getContentProtectionEnabled(): boolean {
     return this.uiSettingsHelper.getContentProtectionEnabled()
   }

src/main/presenter/configPresenter/index.ts

@@ -2,6 +2,13 @@ import { eventBus, SendTarget } from '@/eventbus'
 import { CONFIG_EVENTS } from '@/events'
 import fontList from 'font-list'
 
+const AUTO_COMPACTION_TRIGGER_THRESHOLD_DEFAULT = 80
+const AUTO_COMPACTION_TRIGGER_THRESHOLD_MIN = 5
+const AUTO_COMPACTION_TRIGGER_THRESHOLD_MAX = 95
+const AUTO_COMPACTION_RETAIN_RECENT_PAIRS_DEFAULT = 2
+const AUTO_COMPACTION_RETAIN_RECENT_PAIRS_MIN = 1
+const AUTO_COMPACTION_RETAIN_RECENT_PAIRS_MAX = 10
+
 const normalizeFontNameValue = (name: string): string => {
   const trimmed = name
     .replace(/\(.*?\)/g, '')
@@ -61,6 +68,42 @@ export class UiSettingsHelper {
     eventBus.send(CONFIG_EVENTS.AUTO_SCROLL_CHANGED, SendTarget.ALL_WINDOWS, boolValue)
   }
 
+  getAutoCompactionEnabled(): boolean {
+    const value = this.getSetting<boolean>('autoCompactionEnabled')
+    if (value === undefined) return true
+    return Boolean(value)
+  }
+
+  setAutoCompactionEnabled(enabled: boolean): void {
+    this.setSetting('autoCompactionEnabled', Boolean(enabled))
+  }
+
+  getAutoCompactionTriggerThreshold(): number {
+    return this.normalizeAutoCompactionTriggerThreshold(
+      this.getSetting<number>('autoCompactionTriggerThreshold')
+    )
+  }
+
+  setAutoCompactionTriggerThreshold(threshold: number): void {
+    this.setSetting(
+      'autoCompactionTriggerThreshold',
+      this.normalizeAutoCompactionTriggerThreshold(threshold)
+    )
+  }
+
+  getAutoCompactionRetainRecentPairs(): number {
+    return this.normalizeAutoCompactionRetainRecentPairs(
+      this.getSetting<number>('autoCompactionRetainRecentPairs')
+    )
+  }
+
+  setAutoCompactionRetainRecentPairs(count: number): void {
+    this.setSetting(
+      'autoCompactionRetainRecentPairs',
+      this.normalizeAutoCompactionRetainRecentPairs(count)
+    )
+  }
+
   getContentProtectionEnabled(): boolean {
     const value = this.getSetting<boolean>('contentProtectionEnabled')
     return value === undefined || value === null ? false : value
@@ -186,4 +229,28 @@ export class UiSettingsHelper {
   private normalizeFontName(name: string): string {
     return normalizeFontNameValue(name)
   }
+
+  private normalizeAutoCompactionTriggerThreshold(value: unknown): number {
+    if (typeof value !== 'number' || !Number.isFinite(value)) {
+      return AUTO_COMPACTION_TRIGGER_THRESHOLD_DEFAULT
+    }
+
+    const rounded = Math.round(value / 5) * 5
+    return Math.min(
+      AUTO_COMPACTION_TRIGGER_THRESHOLD_MAX,
+      Math.max(AUTO_COMPACTION_TRIGGER_THRESHOLD_MIN, rounded)
+    )
+  }
+
+  private normalizeAutoCompactionRetainRecentPairs(value: unknown): number {
+    if (typeof value !== 'number' || !Number.isFinite(value)) {
+      return AUTO_COMPACTION_RETAIN_RECENT_PAIRS_DEFAULT
+    }
+
+    const rounded = Math.round(value)
+    return Math.min(
+      AUTO_COMPACTION_RETAIN_RECENT_PAIRS_MAX,
+      Math.max(AUTO_COMPACTION_RETAIN_RECENT_PAIRS_MIN, rounded)
+    )
+  }
 }