From 891edaafe7723b906d45bb049b546e2dd3f789ff Mon Sep 17 00:00:00 2001
From: jiangchen <1703935164@qq.com>
Date: Sun, 27 Sep 2026 18:35:21 +0800
Subject: [PATCH] =?UTF-8?q?fix(bridge):=20=E4=B8=8D=E5=86=8D=E6=8A=A2?=
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实测串台：插件 tick 一停顿，桥就把另一个会话的 40 行写进 snapshot.json，浮窗显示成别人的对话。
现在桥只写 snapshot-bridge.json，浮窗按 sessionId 匹配后才用它补缺字段，永远不会串会话。
镜像缓存每会话保留 80 行（原来 40），仍然每 3 秒落盘一次。
---
 lib/host.js             | 17 +++++++++++++++--
 tools/mirror-bridge.mjs | 11 +++--------
 2 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/lib/host.js b/lib/host.js
index b3ccfdf..44827f0 100644
--- a/lib/host.js
+++ b/lib/host.js
@@ -252,7 +252,7 @@ export function apply(ctx, config) {
       const out = { at: Date.now(), lastSessionId, sessions: {} }
       const ids = [...rows.keys()].slice(-8)
       for (const id of ids) {
-        out.sessions[id] = { title: titles.get(id) || null, rows: (rows.get(id) || []).slice(-40), counts: counts.get(id) || null }
+        out.sessions[id] = { title: titles.get(id) || null, rows: (rows.get(id) || []).slice(-80), counts: counts.get(id) || null }
       }
       fs.mkdirSync(path.dirname(mirrorCacheFile), { recursive: true })
       fs.writeFileSync(mirrorCacheFile, JSON.stringify(out))
@@ -889,12 +889,25 @@ border:1px solid rgba(120,140,180,.35);background:rgba(22,26,34,.92);color:#e6ea
   log('services: ' + ['settings', 'sessions', 'tools', 'tokenMeter', 'sessionProjection', 'llm', 'shell', 'sandboxPolicy', 'webServer']
     .map((n) => `${n}=${(() => { try { return ctx.get(n) ? 'y' : 'n' } catch { return '?' } })()}`).join(' '))
   // 诊断：把 sessionController / apiProxy 暴露的方法名列出来（回填历史要用其中一个）
+  // 注意：这些对象的方法常常是 getter / 非枚举，Object.keys 看不到 → 用 getOwnPropertyNames
   try {
+    const names = (o, proto = false) => {
+      try {
+        const out = new Set(Object.getOwnPropertyNames(o))
+        if (proto) for (const k of Object.getOwnPropertyNames(Object.getPrototypeOf(o) || {})) out.add(k)
+        return [...out].filter((k) => !['constructor', 'ctx', 'name', 'store', 'counter', 'projections'].includes(k)).slice(0, 60)
+      } catch { return [] }
+    }
     const faces = {}
     for (const n of ['sessionController', 'apiProxy', 'sessions', 'sessionProjection']) {
       try {
         const f = ctx.get(n)
-        if (f) faces[n] = Object.keys(f).slice(0, 80)
+        if (!f) continue
+        faces[n] = names(f)
+        if (f.sessions) faces[n + '.sessions'] = names(f.sessions)
+        if (f.store) faces[n + '.store'] = names(f.store)
+        if (f.projections) faces[n + '.projections'] = names(f.projections)
+        if (f.counter) faces[n + '.counter'] = names(f.counter)
       } catch { }
     }
     status.apiMethods = faces
diff --git a/tools/mirror-bridge.mjs b/tools/mirror-bridge.mjs
index 608a9ea..736faab 100644
--- a/tools/mirror-bridge.mjs
+++ b/tools/mirror-bridge.mjs
@@ -236,15 +236,10 @@ function writeSnapshot() {
     const snap = buildSnapshot()
     if (!snap) return
     fs.mkdirSync(STATE_DIR, { recursive: true })
-    // 兜底文件总是写：插件缺的字段（token/上下文估算、标题）由浮窗用它补齐
+    // 只写兜底文件：snapshot.json 是插件的"正本"。桥去写它会把**别的会话**塞给浮窗（实测串台过：
+    // 插件 tick 一停顿，桥就把另一个会话的 40 行写了进去）。浮窗按 sessionId 匹配后再用它补缺字段。
     fs.writeFileSync(SNAPSHOT_BRIDGE, JSON.stringify(snap))
-    // 插件在写就不抢 snapshot.json：mtime 3 秒内视为它的
-    try {
-      const st = fs.statSync(SNAPSHOT)
-      if (Date.now() - st.mtimeMs < 3000 && readJson(SNAPSHOT)?.source !== 'mirror-bridge') return
-    } catch { }
-    fs.writeFileSync(SNAPSHOT, JSON.stringify(snap))
-    log(`snapshot: ${snap.sessionId} "${(snap.title || '').slice(0, 24)}" turns=${snap.metrics.turns} steps=${snap.metrics.steps} rows=${snap.messages.length} ctx=${snap.metrics.contextUsed == null ? '-' : Math.round(snap.metrics.contextUsed * 100) + '%'}`)
+    log(`bridge: ${snap.sessionId} "${(snap.title || '').slice(0, 20)}" rows=${snap.messages.length} cache=${snap.metrics.cacheHit == null ? '-' : Math.round(snap.metrics.cacheHit * 100) + '%'}`)
   } catch (e) { log('write failed:', String(e?.message || e)) }
 }