feat: OpenMesh 基础平台与 MD/PDF 转换技能

- 后端: coworker 智能体框架, WS API, 文件上传, 附件处理
- 前端: Open WebUI, 文件全量走 upload API (含 MD/TXT/JSON 等文本类)
- 技能: md-to-office (pandoc + wkhtmltopdf)
- 修复: 上传文件路径丢失, Agent 搜索浪费, 输出文件跑到 uploads/
- 打包: PyInstaller one-dir, 预打包 pandoc/wkhtmltopdf/chromium

coworker/cli.py

@@ -0,0 +1,75 @@
+"""CLI entry point. `coworker` launches the TUI; `coworker code` boots the code skill."""
+
+from __future__ import annotations
+
+import argparse
+import os
+import uuid
+from pathlib import Path
+from typing import Optional
+
+from .config import load_config
+from .conversations import ConversationStore
+from .memory import MemorySettingsStore, SQLiteMemoryStore
+from .permissions import Mode
+from .secrets import state_dir
+
+
+def main(argv: Optional[list[str]] = None) -> None:
+    cfg = load_config()
+    parser = argparse.ArgumentParser(
+        prog="openworker", description="Agent coworker (TUI)."
+    )
+    parser.add_argument(
+        "skill", nargs="?", default="code", help="skill to launch (default: code)"
+    )
+    parser.add_argument("--cwd", default=".", help="workspace directory")
+    parser.add_argument(
+        "--model", default=cfg.model, help="model id, e.g. openai gpt-5.5"
+    )
+    parser.add_argument(
+        "--mode",
+        default=cfg.mode,
+        choices=["plan", "interactive", "auto", "bypass-approvals", "auto-approve"],
+        help="permission mode",
+    )
+    parser.add_argument("--resume", default=None, help="resume a session id")
+    args = parser.parse_args(argv)
+
+    workspace = Path(args.cwd).expanduser().resolve()
+    # Unified global store shared with the GUI/server (one place for all conversations).
+    data_dir = state_dir()
+    # Same on/off switch and user rules the GUI manages (MEMORY-SPEC §4.3/§6). The
+    # store is always wired: off means "stop learning", so saved facts stay usable.
+    memory_settings = MemorySettingsStore(data_dir / "memory-settings.json")
+    memory_store = SQLiteMemoryStore(data_dir / "coworker.db")
+    session_store = ConversationStore(data_dir)
+    session_store.touch_workspace(os.path.realpath(str(workspace)))
+
+    resume_messages = None
+    session_id = args.resume or uuid.uuid4().hex[:12]
+    model, mode = args.model, args.mode
+    if args.resume:
+        record = session_store.load(args.resume)
+        if record is not None:
+            resume_messages = record.messages
+            model, mode = record.model, record.mode
+
+    from .tui.app import CoworkerApp
+
+    app = CoworkerApp(
+        workspace=workspace,
+        model=model,
+        mode=Mode(mode),
+        memory_store=memory_store,
+        memory_off=not memory_settings.enabled,
+        user_rules=memory_settings.user_rules,
+        session_store=session_store,
+        session_id=session_id,
+        resume_messages=resume_messages,
+    )
+    app.run()
+
+
+if __name__ == "__main__":
+    main()