feat: 支持 FTS5 全文搜索，并新增快速搜索工具

electron/main/ai/tools/definitions/deep-search-messages.ts

@@ -0,0 +1,49 @@
+import { Type } from '@mariozechner/pi-ai'
+import type { AgentTool } from '@mariozechner/pi-agent-core'
+import type { ToolContext } from '../types'
+import * as workerManager from '../../../worker/workerManager'
+import { parseExtendedTimeParams } from '../utils/time-params'
+import { formatTimeRange } from '../utils/format'
+import { timeParamProperties } from '../utils/schemas'
+
+const schema = Type.Object({
+  keywords: Type.Array(Type.String(), { description: 'ai.tools.deep_search_messages.params.keywords' }),
+  sender_id: Type.Optional(Type.Number({ description: 'ai.tools.deep_search_messages.params.sender_id' })),
+  limit: Type.Optional(Type.Number({ description: 'ai.tools.deep_search_messages.params.limit' })),
+  ...timeParamProperties,
+})
+
+export function createTool(context: ToolContext): AgentTool<typeof schema> {
+  return {
+    name: 'deep_search_messages',
+    label: 'deep_search_messages',
+    description: 'ai.tools.deep_search_messages.desc',
+    parameters: schema,
+    execute: async (_toolCallId, params) => {
+      const { sessionId, timeFilter: contextTimeFilter, maxMessagesLimit, locale } = context
+      const limit = Math.min(maxMessagesLimit || params.limit || 1000, 50000)
+      const effectiveTimeFilter = parseExtendedTimeParams(params, contextTimeFilter)
+
+      const result = await workerManager.deepSearchMessages(
+        sessionId,
+        params.keywords,
+        effectiveTimeFilter,
+        limit,
+        0,
+        params.sender_id
+      )
+
+      const data = {
+        total: result.total,
+        returned: result.messages.length,
+        timeRange: formatTimeRange(effectiveTimeFilter, locale),
+        rawMessages: result.messages,
+      }
+
+      return {
+        content: [{ type: 'text', text: JSON.stringify(data) }],
+        details: data,
+      }
+    },
+  }
+}

electron/main/ai/tools/definitions/index.ts

@@ -9,6 +9,7 @@ import type { ToolRegistryEntry } from '../types'
 
 import { createTool as createGetChatOverview } from './get-chat-overview'
 import { createTool as createSearchMessages } from './search-messages'
+import { createTool as createDeepSearchMessages } from './deep-search-messages'
 import { createTool as createGetRecentMessages } from './get-recent-messages'
 import { createTool as createGetMessageContext } from './get-message-context'
 import { createTool as createSearchSessions } from './search-sessions'
@@ -30,6 +31,7 @@ export const TOOL_REGISTRY: ToolRegistryEntry[] = [
   // ==================== Core 工具（始终加载） ====================
   { name: 'get_chat_overview', factory: createGetChatOverview, category: 'core' },
   { name: 'search_messages', factory: createSearchMessages, category: 'core' },
+  { name: 'deep_search_messages', factory: createDeepSearchMessages, category: 'core' },
   { name: 'get_recent_messages', factory: createGetRecentMessages, category: 'core' },
   { name: 'get_message_context', factory: createGetMessageContext, category: 'core' },
   { name: 'search_sessions', factory: createSearchSessions, category: 'core' },