refactor: AI session managed server-side, sessionId returned from API

editor/components/AIPanel.vue

@@ -31,12 +31,12 @@ async function send() {
     return
   }
 
-  store.ensureAISession()
   messages.value.push({ role: 'user', content: msg })
   loading.value = true
 
   try {
-    const { result } = await sendAIRequest(store.aiSessionId, msg, mode.value, store.deepseekKey)
+    const { result, sessionId: newSid } = await sendAIRequest(msg, mode.value, store.deepseekKey, store.aiSessionId || undefined)
+    if (newSid) store.setAISessionId(newSid)
     messages.value.push({ role: 'assistant', content: mode.value === 'json' ? '已生成 JSON，请查看编辑器面板' : '代码已修改，请查看预览窗口' })
 
     if (mode.value === 'json') {
@@ -58,7 +58,7 @@ function onKeydown(e: KeyboardEvent) {
 }
 
 function newSession() {
-  store.newAISession()
+  store.clearAISession()
   messages.value = []
   errorMsg.value = ''
 }

editor/composables/useAI.ts

@@ -1,8 +1,8 @@
-export async function sendAIRequest(sessionId: string, userMessage: string, mode: string, apiKey: string): Promise<{ result: string }> {
+export async function sendAIRequest(userMessage: string, mode: string, apiKey: string, sessionId?: string): Promise<{ result: string; sessionId: string }> {
   const resp = await fetch('/api/ai', {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },
-    body: JSON.stringify({ sessionId, userMessage, apiKey, mode }),
+    body: JSON.stringify({ userMessage, apiKey, mode, ...(sessionId ? { sessionId } : {}) }),
   })
   if (!resp.ok) {
     const err = await resp.json().catch(() => ({ error: 'request failed' }))

editor/stores/editorStore.ts

@@ -11,7 +11,7 @@ export const useEditorStore = defineStore('editor', () => {
   const deepseekKey = ref(localStorage.getItem('deepseek_key') || '')
   const showAIPanel = ref(false)
   const aiResult = ref('')
-  const aiSessionId = ref(localStorage.getItem('editor_ai_session') || '')
+  const aiSessionId = ref('')
 
   const selectedScene = computed(() => {
     if (!selectedNodeId.value) return null
@@ -138,17 +138,9 @@ export const useEditorStore = defineStore('editor', () => {
 
   function setDeepseekKey(k: string) { deepseekKey.value = k; localStorage.setItem('deepseek_key', k) }
 
-  function ensureAISession() {
+  function setAISessionId(id: string) { aiSessionId.value = id; localStorage.setItem('editor_ai_session', id) }
-    if (!aiSessionId.value) {
-      aiSessionId.value = crypto.randomUUID()
-      localStorage.setItem('editor_ai_session', aiSessionId.value)
-    }
-  }
 
-  function newAISession() {
+  function clearAISession() { aiSessionId.value = ''; localStorage.removeItem('editor_ai_session') }
-    aiSessionId.value = crypto.randomUUID()
-    localStorage.setItem('editor_ai_session', aiSessionId.value)
-  }
 
   function setAIResult(r: string) { aiResult.value = r }
 
@@ -167,6 +159,6 @@ export const useEditorStore = defineStore('editor', () => {
     deepseekKey, showAIPanel, aiResult, aiSessionId,
     markDirty, loadJSON, exportJSON, addScene, deleteScene,
     updateScene, addChoice, updateChoice, deleteChoice, generateId,
-    setSourcePath, setDeepseekKey, ensureAISession, newAISession, setAIResult, autoSave,
+    setSourcePath, setDeepseekKey, setAISessionId, clearAISession, setAIResult, autoSave,
   }
 })

vite.config.ts

@@ -40,9 +40,9 @@ function apiSavePlugin() {
         req.on('end', () => {
           try {
             const { sessionId, userMessage, apiKey, mode } = JSON.parse(body)
-            if (!userMessage || !sessionId) { res.writeHead(400); res.end(JSON.stringify({ error: 'missing fields' })); return }
+            if (!userMessage) { res.writeHead(400); res.end(JSON.stringify({ error: 'missing fields' })); return }
 
-            const dedupKey = `${mode}_${userMessage}`
+            const dedupKey = `${mode}_${sessionId || ''}_${userMessage}`
             const last = dedupMap.get(dedupKey) || 0
             if (Date.now() - last < 3000) {
               res.writeHead(429)
@@ -56,8 +56,12 @@ function apiSavePlugin() {
               : 'JSON模式：只返回修改后的 JSON 文本，不要写任何文件。需求：'
             const fullMessage = modePrefix + userMessage
 
+            const args = ['run', '--model', 'deepseek/deepseek-v4-pro', '--format', 'json']
+            if (sessionId) args.push('--session', sessionId)
+            args.push(fullMessage)
+
             const opencodeBin = resolve(__dirname, 'node_modules', '.bin', 'opencode')
-            const child = spawn(opencodeBin, ['run', '--session', sessionId, '--model', 'deepseek', '--format', 'json', fullMessage], {
+            const child = spawn(opencodeBin, args, {
               env: { ...process.env, DEEPSEEK_API_KEY: apiKey || process.env.DEEPSEEK_API_KEY || '' },
               timeout: 15000,
             })
@@ -67,14 +71,35 @@ function apiSavePlugin() {
             child.stdout.on('data', (d: Buffer) => stdout += d.toString())
             child.stderr.on('data', (d: Buffer) => stderr += d.toString())
 
-            child.on('close', (code) => {
+            child.on('close', async (code) => {
               if (code !== 0) {
                 res.writeHead(500)
                 res.end(JSON.stringify({ error: 'opencode exited with code ' + code, stderr }))
                 return
               }
+
+              let resolvedSessionId = sessionId
+              if (!resolvedSessionId) {
+                try {
+                  const listChild = spawn(opencodeBin, ['session', 'list', '--format', 'json', '--max-count', '1'], {
+                    timeout: 5000,
+                    env: { ...process.env, DEEPSEEK_API_KEY: apiKey || process.env.DEEPSEEK_API_KEY || '' },
+                  })
+                  let listOut = ''
+                  listChild.stdout.on('data', (d: Buffer) => listOut += d.toString())
+                  await new Promise<void>((resolveList) => listChild.on('close', () => {
+                    try {
+                      const sessions = JSON.parse(listOut)
+                      if (Array.isArray(sessions) && sessions.length > 0) {
+                        resolvedSessionId = sessions[0].id
+                      }
+                    } catch {}
+                    resolveList()
+                  }))
+                } catch {}
+              }
+
               if (mode === 'json') {
-                // try to extract JSON block from response
                 const match = stdout.match(/```json\n?([\s\S]*?)\n?```|\{[\s\S]*\}/)
                 const jsonStr = match ? (match[1] || match[0]) : stdout
                 try { JSON.parse(jsonStr) } catch {
@@ -83,10 +108,10 @@ function apiSavePlugin() {
                   return
                 }
                 res.writeHead(200, { 'Content-Type': 'application/json' })
-                res.end(JSON.stringify({ result: jsonStr }))
+                res.end(JSON.stringify({ result: jsonStr, sessionId: resolvedSessionId || '' }))
               } else {
                 res.writeHead(200, { 'Content-Type': 'application/json' })
-                res.end(JSON.stringify({ result: stdout || 'done' }))
+                res.end(JSON.stringify({ result: stdout || 'done', sessionId: resolvedSessionId || '' }))
               }
             })
           } catch (e: any) {
@@ -99,7 +124,7 @@ function apiSavePlugin() {
       server.middlewares.use('/api/ai/sessions', (req: any, res: any) => {
         try {
           const opencodeBin = resolve(__dirname, 'node_modules', '.bin', 'opencode')
-          const child = spawn(opencodeBin, ['session', 'list'], { timeout: 5000 })
+          const child = spawn(opencodeBin, ['session', 'list', '--format', 'json'], { timeout: 5000 })
           let stdout = ''
           child.stdout.on('data', (d: Buffer) => stdout += d.toString())
           child.on('close', () => {