feat(M2.1): 设备端部署脚本 + whisper LD_LIBRARY_PATH + dog/cat 角色人设配置

src/plugins/ai/backend.rs

@@ -46,11 +46,22 @@ pub trait AiBackend: Send {
 pub struct LocalCliBackend {
     /// 工具目录（含 whisper-cli, llama-cli, piper 二进制）
     tools_dir: PathBuf,
+    /// whisper-cli 依赖的库路径（libggml*.so 所在）
+    whisper_lib_dir: Option<PathBuf>,
 }
 
 impl LocalCliBackend {
     pub fn new(tools_dir: PathBuf) -> Self {
-        Self { tools_dir }
+        Self {
+            tools_dir,
+            whisper_lib_dir: None,
+        }
+    }
+
+    /// 设置 whisper-cli 依赖库路径（部署时由 deploy_ai.sh 标定）
+    pub fn with_whisper_lib_dir(mut self, lib_dir: PathBuf) -> Self {
+        self.whisper_lib_dir = Some(lib_dir);
+        self
     }
 
     fn whisper_cli(&self) -> PathBuf {
@@ -64,6 +75,13 @@ impl LocalCliBackend {
     fn piper(&self) -> PathBuf {
         self.tools_dir.join("piper")
     }
+
+    /// 给命令设置 LD_LIBRARY_PATH（whisper-cli 依赖 libggml*.so）
+    fn with_env(&self, cmd: &mut Command) {
+        if let Some(lib_dir) = &self.whisper_lib_dir {
+            cmd.env("LD_LIBRARY_PATH", lib_dir);
+        }
+    }
 }
 
 impl AiBackend for LocalCliBackend {
@@ -71,7 +89,9 @@ impl AiBackend for LocalCliBackend {
         // whisper-cli -m <model> -f <audio> -l zh --no-timestamps -otxt -of <tmp>
         // 输出到 <tmp>.txt，读取后返回
         let tmp_out = audio_path.with_extension("asr.txt");
-        let output = Command::new(self.whisper_cli())
+        let mut cmd = Command::new(self.whisper_cli());
+        self.with_env(&mut cmd);
+        let output = cmd
             .arg("-m")
             .arg(model_path)
             .arg("-f")