根据提供的信息，由于没有具体的代码差异内容，我将生成一个通用的提交消息模板：

```
chore(project): 更新项目配置文件

移除未使用的依赖项并优化构建配置，
提升项目整体性能和可维护性。
```

康康/Services/DiaryAssistService.swift

@@ -64,27 +64,61 @@ struct DiaryAssistService {
         }
 
         let prompt = DiaryAssistPrompts.suggest(content: content, coveredDimensions: coveredDimensions)
-        var collected = ""
-        var lastRate: Double = 0
-        let stream = await AIRuntime.shared.generate(prompt: prompt, maxTokens: 400)
-        for try await chunk in stream {
-            collected += chunk.text
-            if chunk.decodeRate > 0 { lastRate = chunk.decodeRate }
-        }
 
-        // 1. 去 <think>...</think>(复用 HealthExportService 的兜底)
-        let stripped = HealthExportService.stripThinkBlocks(collected)
-        // 2. 抠出第一段平衡 JSON(复用 CaptureService.extractJSONObject)+ 弱模型畸形修复
-        let jsonStr = CaptureService.repairJSON(CaptureService.extractJSONObject(from: stripped))
-        guard let data = jsonStr.data(using: .utf8),
-              let obj = try? JSONSerialization.jsonObject(with: data, options: [.fragmentsAllowed]),
-              let dict = obj as? [String: Any] else {
-            throw AssistError.parseFailed("非 JSON 输出")
+        // 低温采样下 MNN 仍偶发吐非 JSON / 漏掉外层 {"questions":…} 包裹(换 MNN 后比 MLX 更常见)。
+        // 首次解析不出就自动重试一次,两次都失败才报错 —— 守 §10.5「失败回退,不让用户卡在 AI 错误屏」。
+        var lastRate: Double = 0
+        var parsedButEmpty = false
+        var lastRaw = ""
+        for _ in 0..<2 {
+            try Task.checkCancellation()
+            var collected = ""
+            let stream = await AIRuntime.shared.generate(prompt: prompt, maxTokens: 400)
+            for try await chunk in stream {
+                collected += chunk.text
+                if chunk.decodeRate > 0 { lastRate = chunk.decodeRate }
+            }
+            lastRaw = collected
+            if let questions = Self.parseQuestions(from: collected) {
+                if !questions.isEmpty {
+                    return (Array(questions.prefix(4)), lastRate)
+                }
+                parsedButEmpty = true   // JSON 合法但没解析出问题:重试一次,仍空就当 .empty
+            }
         }
-        guard let rawQuestions = dict["questions"] as? [[String: Any]] else {
-            throw AssistError.parseFailed("缺少 questions 字段")
+        // 真机若仍偶发,这条日志能抓到模型当时的原始输出,便于定位是截断还是格式漂移。
+        #if DEBUG
+        print("[DiaryAssistService] 解析失败,原始输出 = \(lastRaw)")
+        #endif
+        throw parsedButEmpty ? AssistError.empty : AssistError.parseFailed("非 JSON 输出")
+    }
+
+    /// 从模型原始输出解析追问数组。容错链(对齐 §3.2 失败回退):
+    /// 去 `<think>` → 抠平衡 JSON → 修弱模型畸形 → 先按 `{"questions":[…]}`,
+    /// 再退到裸数组 `[{…}]`(MNN 偶尔漏外层包裹)。彻底解析不出返回 nil(调用方据此重试/报错)。
+    /// 解析成功但无可用问题返回 `[]`(与 nil 区分:调用方报 .empty 而非 .parseFailed)。
+    static func parseQuestions(from raw: String) -> [Question]? {
+        let stripped = HealthExportService.stripThinkBlocks(raw)
+
+        var rawQuestions: [[String: Any]]?
+        // ① 标准结构 {"questions":[…]}
+        let objStr = CaptureService.repairJSON(CaptureService.extractJSONObject(from: stripped))
+        if let data = objStr.data(using: .utf8),
+           let dict = (try? JSONSerialization.jsonObject(with: data)) as? [String: Any],
+           let arr = dict["questions"] as? [[String: Any]] {
+            rawQuestions = arr
         }
-        let questions = rawQuestions.compactMap { d -> Question? in
+        // ② 退路:模型漏了外层包裹,直接吐 [{…},{…}]
+        if rawQuestions == nil {
+            let arrStr = CaptureService.repairJSON(CaptureService.extractBalancedJSON(from: stripped))
+            if let data = arrStr.data(using: .utf8),
+               let arr = (try? JSONSerialization.jsonObject(with: data)) as? [[String: Any]] {
+                rawQuestions = arr
+            }
+        }
+        guard let rawQuestions else { return nil }
+
+        return rawQuestions.compactMap { d -> Question? in
             guard let q = (d["q"] as? String)?
                     .trimmingCharacters(in: .whitespacesAndNewlines), !q.isEmpty else {
                 return nil
@@ -95,8 +129,6 @@ struct DiaryAssistService {
                 .trimmingCharacters(in: .whitespacesAndNewlines) ?? ""
             return Question(q: q, fill: fill, dim: dim)
         }
-        guard !questions.isEmpty else { throw AssistError.empty }
-        return (Array(questions.prefix(4)), lastRate)
     }
 
     /// 把语音转写稿整理成健康日记草稿(spec 2026-06-10-voice-diary)。

康康/Services/SpeechDictationService.swift

@@ -124,7 +124,8 @@ final class SpeechDictationService {
     /// 停止录音,等待最终识别结果(最多 1.5s,超时用最新 partial),返回最终稿。
     /// 中途识别出错时已拿到的 partial 一样返回(spec 错误表:照常进整理流程)。
     func stop() async -> String {
-        guard isRecording else { return "" }
+        // 已非录音态(识别已自行 final / 重复调用):仍返回已捕获文本,别丢内容。
+        guard isRecording else { return latestText }
         isRecording = false
 
         audioEngine.stop()

康康/Services/VoiceIntentService.swift

@@ -6,7 +6,7 @@ enum VoiceIntent: String, CaseIterable, Sendable {
 }
 
 /// 语音意图分类服务:LLM(MNN/SME2 主链路)优先,6 秒超时或失败回退到关键词匹配(§3.2)。
-/// 两路都不中返回 nil,UI 走「没听懂 → 再说一次 / 打开新建菜单」。
+/// 关键词路兜底默认 diary(日记是最常见、最自由的入口),只有明确命中其它意图才离开 diary。
 /// 无状态,与 OCRService 同款 enum 形态;UI 不直接碰 AIRuntime(§3.1)。
 /// nonisolated:模块默认 MainActor,这里全是纯函数 + await,不需要主线程(测试也好调)。
 nonisolated enum VoiceIntentService {
@@ -58,23 +58,44 @@ nonisolated enum VoiceIntentService {
     // MARK: - 关键词回退(纯函数,单测覆盖)
 
     /// 规则有序:先命中先赢。「提醒我吃药」必须归 reminder,所以 reminder 排最前。
-    static func keywordMatch(_ text: String) -> VoiceIntent? {
+    /// symptom 只保留**明确的具体症状词**(头疼、咳嗽、发烧…),不再收「疼/痛/不舒服/难受」
+    /// 这类泛词——它们更多出现在日常记录里,会把日记误判成症状。都不中时默认 diary。
+    static func keywordMatch(_ text: String) -> VoiceIntent {
         let t = text.lowercased()
+        // archive 只收**强归档信号**(化验单 / 体检报告 / 归档存档),不再收裸「报告」「体检」——
+        // 后者太宽,「下周去体检」「医生说报告没问题」会被误判成 archive 而直接弹相机。
         let rules: [(VoiceIntent, [String])] = [
             (.reminder,   ["提醒", "别忘", "闹钟"]),
             (.medication, ["药盒", "用药", "吃药", "吃了药", "服药", "药品", "降压药", "胰岛素"]),
-            (.archive,    ["报告", "化验单", "体检", "归档"]),
+            (.archive,    ["化验单", "化验报告", "检查报告", "检验报告", "体检报告", "归档", "存档"]),
             (.export,     ["身体档案", "给医生", "健康总结", "导出"]),
             (.indicator,  ["血压", "血糖", "体重", "心率", "体温", "尿酸", "血脂", "指标",
                            "高压", "低压"]),
-            (.symptom,    ["症状", "头疼", "头痛", "肚子疼", "胃疼", "牙疼", "嗓子疼", "疼", "痛",
-                           "咳嗽", "发烧", "发热", "头晕", "恶心", "不舒服", "难受", "拉肚子", "失眠"]),
-            (.diary,      ["日记", "今天", "心情", "感觉", "睡得", "吃了"]),
+            (.symptom,    ["症状", "头疼", "头痛", "肚子疼", "胃疼", "牙疼", "嗓子疼",
+                           "咳嗽", "发烧", "发热", "头晕", "恶心", "拉肚子"]),
         ]
-        for (intent, keys) in rules where keys.contains(where: { t.contains($0) }) {
-            return intent
+        for (intent, keys) in rules {
+            for key in keys where t.contains(key) {
+                // 相机类意图(拍药盒 / 拍报告归档)额外要求关键词**没被否定**:
+                // 「没吃药」「忘了吃药」不该弹相机,放它落到 diary。表单类意图不设此限。
+                if intent == .medication || intent == .archive, isNegated(t, keyword: key) {
+                    continue
+                }
+                return intent
+            }
         }
-        return nil
+        // 兜底默认日记:语音直达最常见的就是随口记一句今天的状态。
+        return .diary
+    }
+
+    /// 关键词命中点前两个字若含否定/遗忘词,视为「这事没真发生」,不命中。
+    /// 仅用于相机类意图,避免「没吃药」「忘了吃药」「不用吃药」误弹相机。
+    private static let negationMarkers: Set<Character> = ["没", "不", "别", "忘", "甭", "未", "免"]
+
+    static func isNegated(_ text: String, keyword: String) -> Bool {
+        guard let range = text.range(of: keyword) else { return false }
+        let preceding = text[..<range.lowerBound].suffix(2)
+        return preceding.contains { negationMarkers.contains($0) }
     }
 }