refactor(ai): upgrade pi runtime and define execution semantics

apps/cli/package.json

@@ -15,7 +15,7 @@
     "LICENSE"
   ],
   "engines": {
-    "node": ">=20"
+    "node": ">=22.19.0"
   },
   "publishConfig": {
     "access": "public"
@@ -48,8 +48,8 @@
   "dependencies": {
     "@fastify/multipart": "^10.0.0",
     "@fastify/static": "^9.1.3",
-    "@earendil-works/pi-agent-core": "0.74.2",
-    "@earendil-works/pi-ai": "0.74.2",
+    "@earendil-works/pi-agent-core": "0.83.0",
+    "@earendil-works/pi-ai": "0.83.0",
     "@modelcontextprotocol/sdk": "^1.12.1",
     "better-sqlite3": "^12.4.6",
     "commander": "^13.1.0",

apps/cli/src/ai/agent.ts

@@ -251,6 +251,7 @@ export async function runServerAgent(options: RunAgentOptions): Promise<void> {
       userMessage,
       maxToolRounds: DEFAULT_MAX_TOOL_ROUNDS,
       abortSignal,
+      providerSessionId: aiChatId,
       steerMessage,
       thinkingLevel: thinkingLevel as import('@openchatlab/core').ThinkingLevel | undefined,
       onConvertToLlm: (filteredMessages) => {

apps/cli/src/ai/tool-adapter.test.ts

@@ -37,6 +37,7 @@ describe('adaptToolsForAgent', () => {
       name: 'render_chart',
       description: 'Render a chart',
       inputSchema: { type: 'object', properties: {} },
+      executionMode: 'sequential',
       async handler() {
         chartCalls += 1
         return { content: 'Generated chart.' }
@@ -51,6 +52,7 @@ describe('adaptToolsForAgent', () => {
 
     const result = await agentTool.execute('call-1', {})
 
+    assert.equal(agentTool.executionMode, 'sequential')
     assert.equal(chartCalls, 0)
     assert.deepEqual(result.content, [{ type: 'text', text: CHART_SCHEMA_REQUIRED_MESSAGE }])
     assert.equal(result.details, null)

apps/cli/src/ai/tool-adapter.ts

@@ -73,6 +73,7 @@ export function adaptToolsForAgent(
         label: tool.name,
         description: tool.description,
         parameters: toAgentToolParameters(tool.inputSchema) as any,
+        executionMode: tool.executionMode,
         async execute(_toolCallId: string, params: unknown) {
           const ctx = getContext()
           const execCtx: ToolExecutionContext = {

apps/cli/tsup.config.ts

@@ -15,7 +15,7 @@ export default defineConfig({
   splitting: true,
   sourcemap: true,
   clean: true,
-  target: 'node20',
+  target: 'node22',
   platform: 'node',
   define: {
     'process.env.UMAMI_ENDPOINT': JSON.stringify(process.env.UMAMI_ENDPOINT || ''),

apps/desktop/main/ai/agent/index.ts

@@ -231,6 +231,7 @@ export class Agent {
         userMessage,
         maxToolRounds,
         abortSignal: this.abortSignal,
+        providerSessionId: this.context.aiChatId,
         steerMessage: answerWithoutToolsPrompt,
         thinkingLevel: this.config.thinkingLevel,
         streamFn: errorCapturingStreamFn,

apps/desktop/main/ai/tools/shared-tool-adapter.ts

@@ -58,6 +58,7 @@ export function adaptSharedTool(tool: ToolDefinition): ToolRegistryEntry {
         // 缺 key 时回退到此英文描述，避免把裸 i18n key 当作工具描述传给 LLM。
         description: tool.description,
         parameters: toAgentToolParameters(tool.inputSchema) as any,
+        executionMode: tool.executionMode,
         async execute(_toolCallId: string, params: unknown) {
           return executeToolForAgent(tool, params, buildExecutionContext(context))
         },