feat: 集成Hermes智能体系统，增强聊天和差旅报销功能

server/src/app/services/system_hermes.py

@@ -5,6 +5,9 @@ import shutil
 import subprocess
 from dataclasses import dataclass
 from pathlib import Path
+from typing import Mapping
+
+from app.core.config import SERVER_DIR
 
 
 @dataclass(frozen=True, slots=True)
@@ -14,6 +17,14 @@ class HermesCliResult:
     command: tuple[str, ...] = ()
 
 
+@dataclass(frozen=True, slots=True)
+class HermesProcessHandle:
+    pid: int
+    command: tuple[str, ...] = ()
+    stdout_path: str = ""
+    stderr_path: str = ""
+
+
 class SystemHermesService:
     def __init__(self) -> None:
         configured_bin = str(os.getenv("HERMES_BIN", "")).strip()
@@ -29,11 +40,94 @@ class SystemHermesService:
         source: str = "tool",
         max_turns: int = 1,
         timeout_seconds: int = 180,
+        skills: tuple[str, ...] = (),
+        env_overrides: Mapping[str, str] | None = None,
+        yolo: bool = False,
     ) -> HermesCliResult:
         if not self.is_available():
             raise RuntimeError(f"未找到系统 Hermes CLI：{self.hermes_bin}")
 
-        command = (
+        command = self._build_command(
+            query,
+            source=source,
+            max_turns=max_turns,
+            skills=skills,
+            yolo=yolo,
+        )
+        env = os.environ.copy()
+        if env_overrides:
+            env.update({str(key): str(value) for key, value in env_overrides.items()})
+        completed = subprocess.run(
+            command,
+            capture_output=True,
+            text=True,
+            timeout=timeout_seconds,
+            check=False,
+            env=env,
+        )
+        if completed.returncode != 0:
+            detail = (completed.stderr or completed.stdout or "").strip()
+            raise RuntimeError(detail or "Hermes CLI 返回非 0 状态码。")
+
+        return self._parse_output(completed.stdout, command=command)
+
+    def start_query_background(
+        self,
+        query: str,
+        *,
+        source: str = "tool",
+        max_turns: int = 1,
+        skills: tuple[str, ...] = (),
+        env_overrides: Mapping[str, str] | None = None,
+        log_prefix: str = "hermes",
+        yolo: bool = False,
+    ) -> HermesProcessHandle:
+        if not self.is_available():
+            raise RuntimeError(f"未找到系统 Hermes CLI：{self.hermes_bin}")
+
+        command = self._build_command(
+            query,
+            source=source,
+            max_turns=max_turns,
+            skills=skills,
+            yolo=yolo,
+        )
+        env = os.environ.copy()
+        if env_overrides:
+            env.update({str(key): str(value) for key, value in env_overrides.items()})
+        log_dir = SERVER_DIR / "logs"
+        log_dir.mkdir(parents=True, exist_ok=True)
+        safe_prefix = "".join(ch if ch.isalnum() or ch in {"-", "_"} else "-" for ch in log_prefix)
+        stdout_path = log_dir / f"{safe_prefix}.out.log"
+        stderr_path = log_dir / f"{safe_prefix}.err.log"
+        stdout_file = stdout_path.open("ab")
+        stderr_file = stderr_path.open("ab")
+        process = subprocess.Popen(
+            command,
+            stdout=stdout_file,
+            stderr=stderr_file,
+            env=env,
+            start_new_session=True,
+        )
+        stdout_file.close()
+        stderr_file.close()
+        return HermesProcessHandle(
+            pid=process.pid,
+            command=command,
+            stdout_path=str(stdout_path),
+            stderr_path=str(stderr_path),
+        )
+
+    def _build_command(
+        self,
+        query: str,
+        *,
+        source: str,
+        max_turns: int,
+        skills: tuple[str, ...],
+        yolo: bool,
+    ) -> tuple[str, ...]:
+        command_parts = [
             self.hermes_bin,
             "chat",
             "-Q",
@@ -41,21 +135,15 @@ class SystemHermesService:
             source,
             "--max-turns",
             str(max_turns),
-            "-q",
-            query,
-        )
-        completed = subprocess.run(
-            command,
-            capture_output=True,
-            text=True,
-            timeout=timeout_seconds,
-            check=False,
-        )
-        if completed.returncode != 0:
-            detail = (completed.stderr or completed.stdout or "").strip()
-            raise RuntimeError(detail or "Hermes CLI 返回非 0 状态码。")
-
-        return self._parse_output(completed.stdout, command=command)
+        ]
+        for skill in skills:
+            normalized_skill = str(skill or "").strip()
+            if normalized_skill:
+                command_parts.extend(["--skills", normalized_skill])
+        if yolo:
+            command_parts.append("--yolo")
+        command_parts.extend(["-q", query])
+        return tuple(command_parts)
 
     @staticmethod
     def _parse_output(stdout: str, *, command: tuple[str, ...]) -> HermesCliResult: