fix(npm): 官方源装 optional 平台包，拒绝 stub/错架构二进制

国内镜像常只同步主包，Windows 上 claude.exe/codex 会变成 1KB stub。

myagents/commands/ensure_agent.py

@@ -158,7 +158,8 @@ def run_ensure_agents(
             console.print("  Next: [cyan]xiaohe[/cyan]")
         else:
             console.print(
-                "  Launch: [cyan]myclaude[/cyan] / [cyan]mycodex[/cyan] / …"
+                "  Launch: [cyan]myclaude[/cyan] / [cyan]mydsh[/cyan] / "
+            "[cyan]mycodex[/cyan] / …"
             )
     return still
 

myagents/launcher.py

@@ -3,6 +3,7 @@
 import hashlib
 import json
 import os
+import platform
 import re
 import select
 import shlex
@@ -37,6 +38,17 @@ _BACKENDS: dict[str, dict] = {
         "session_pattern": "*.jsonl",
         "default_args": ["--dangerously-skip-permissions"],
         "install_cmd": ["npm", "install", "-g", "@anthropic-ai/claude-code"],
+        "npm_package": "@anthropic-ai/claude-code",
+        "native_min_bytes": 1_000_000,
+        "native_bin_rel": ("bin/claude.exe", "bin/claude"),
+        "native_platform_packages": {
+            "win32-x64": "@anthropic-ai/claude-code-win32-x64",
+            "win32-arm64": "@anthropic-ai/claude-code-win32-arm64",
+            "darwin-arm64": "@anthropic-ai/claude-code-darwin-arm64",
+            "darwin-x64": "@anthropic-ai/claude-code-darwin-x64",
+            "linux-x64": "@anthropic-ai/claude-code-linux-x64",
+            "linux-arm64": "@anthropic-ai/claude-code-linux-arm64",
+        },
         "not_found_msg": (
             "[red]claude CLI not found in PATH.[/red] Install Claude Code or set "
             "[cyan]CLAUDE_BIN[/cyan]."
@@ -60,7 +72,23 @@ _BACKENDS: dict[str, dict] = {
        "session_pattern": "**/*.jsonl",
         "default_args": ["--dangerously-bypass-approvals-and-sandbox"],
         "install_cmd": ["npm", "install", "-g", "@openai/codex"],
-       "not_found_msg": (
+        "npm_package": "@openai/codex",
+        "native_min_bytes": 1_000_000,
+        "native_bin_rel": (
+            "codex.exe",
+            "bin/codex.exe",
+            "bin/codex",
+            "vendor/codex.exe",
+        ),
+        "native_platform_packages": {
+            "win32-x64": "@openai/codex-win32-x64",
+            "win32-arm64": "@openai/codex-win32-arm64",
+            "darwin-arm64": "@openai/codex-darwin-arm64",
+            "darwin-x64": "@openai/codex-darwin-x64",
+            "linux-x64": "@openai/codex-linux-x64",
+            "linux-arm64": "@openai/codex-linux-arm64",
+        },
+        "not_found_msg": (
             "[red]codex CLI not found in PATH.[/red] Install with "
             "[cyan]npm install -g @openai/codex[/cyan] or set [cyan]CODEX_BIN[/cyan]."
         ),
@@ -92,8 +120,7 @@ _BACKENDS: dict[str, dict] = {
         ),
     },
     "dsh": {
-        # DeepSeek Harness is a dev-preview profile launcher; pass flags through
-        # unchanged and let the CLI own resume syntax (--profile / --resume).
+        # DeepSeek Harness: map myclaude-style ``-r`` to ``--resume``.
         "binary": "dsh",
         "env_bin": "DSH_BIN",
         "sessions_root": lambda: Path(
@@ -103,6 +130,7 @@ _BACKENDS: dict[str, dict] = {
         "session_pattern": "*/*/session.jsonl.zstd",
         "default_args": [],
         "install_cmd": ["npm", "install", "-g", "@deepseek-ai/dsh"],
+        "npm_package": "@deepseek-ai/dsh",
         "not_found_msg": (
             "[red]dsh CLI not found in PATH.[/red] Install DeepSeek Harness "
             "with [cyan]npm install -g @deepseek-ai/dsh[/cyan] or set "
@@ -111,6 +139,13 @@ _BACKENDS: dict[str, dict] = {
     },
 }
 
+_NPM_OFFICIAL_REGISTRY = "https://registry.npmjs.org/"
+_NPM_INSTALL_FLAGS = (
+    "--include=optional",
+    "--foreground-scripts",
+    f"--registry={_NPM_OFFICIAL_REGISTRY}",
+)
+
 
 def _resolve_chat_cwd(cwd: str | None) -> Path:
     """Working directory: --cwd if given, else workspace/."""
@@ -187,16 +222,43 @@ def _translate_cursor_extra(extra: list[str]) -> list[str]:
     return extra
 
 
+def _translate_dsh_extra(extra: list[str]) -> list[str]:
+    """Map myclaude-style ``-r`` onto dsh ``--resume``; leave the rest as-is."""
+    if not extra:
+        return extra
+    head = extra[0]
+    tail = extra[1:]
+    if head == "-r":
+        if not tail or tail[0].startswith("-"):
+            return ["--resume", *tail]
+        return ["--resume", tail[0], *tail[1:]]
+    return extra
+
+
+def agent_entrypoints() -> dict[str, str]:
+    """Map ``myclaude`` / ``mydsh`` / … to backend names."""
+    return {f"my{name}": name for name in _BACKENDS}
+
+
 def _resolve_backend_binary(config: dict) -> str | None:
     """Resolve backend CLI: env override → PATH → npm global prefix."""
-    binary = os.environ.get(config["env_bin"]) or shutil.which(config["binary"])
-    if binary:
-        return binary
-    for alt in config.get("alt_binaries", ()):
-        found = shutil.which(alt)
-        if found:
-            return found
-    return _resolve_from_npm_global(config)
+    env = (os.environ.get(config["env_bin"]) or "").strip()
+    if env:
+        return env
+    binary = shutil.which(config["binary"])
+    if not binary:
+        for alt in config.get("alt_binaries", ()):
+            found = shutil.which(alt)
+            if found:
+                binary = found
+                break
+    if not binary:
+        binary = _resolve_from_npm_global(config)
+    if not binary:
+        return None
+    if not _native_binary_ok(config):
+        return None
+    return binary
 
 
 def _npm_global_bin() -> Path | None:
@@ -224,6 +286,114 @@ def _npm_global_bin() -> Path | None:
     return root / "bin"
 
 
+def _npm_global_modules() -> Path | None:
+    """``node_modules`` root for ``npm install -g``, if present."""
+    npm_bin = _npm_global_bin()
+    if not npm_bin:
+        return None
+    if sys.platform == "win32":
+        cand = npm_bin / "node_modules"
+    else:
+        cand = npm_bin.parent / "lib" / "node_modules"
+        if not cand.is_dir():
+            alt = npm_bin.parent / "node_modules"
+            cand = alt if alt.is_dir() else cand
+    return cand if cand.is_dir() else None
+
+
+def _npm_platform_key() -> str:
+    machine = platform.machine().lower()
+    if machine in ("x86_64", "amd64"):
+        cpu = "x64"
+    elif machine in ("aarch64", "arm64"):
+        cpu = "arm64"
+    else:
+        cpu = machine
+    if sys.platform == "win32":
+        os_name = "win32"
+    elif sys.platform == "darwin":
+        os_name = "darwin"
+    else:
+        os_name = "linux"
+    return f"{os_name}-{cpu}"
+
+
+def _native_magic_ok(path: Path) -> bool:
+    """True when ``path`` looks like a native binary for this OS."""
+    try:
+        with path.open("rb") as fh:
+            magic = fh.read(4)
+    except OSError:
+        return False
+    if len(magic) < 2:
+        return False
+    if sys.platform == "win32":
+        return magic[:2] == b"MZ"
+    if sys.platform == "darwin":
+        return magic in (
+            b"\xcf\xfa\xed\xfe",
+            b"\xfe\xed\xfa\xcf",
+            b"\xca\xfe\xba\xbe",
+            b"\xbe\xba\xfe\xca",
+            b"\xce\xfa\xed\xfe",
+            b"\xfe\xed\xfa\xce",
+        )
+    return magic[:4] == b"\x7fELF"
+
+
+def _looks_like_native_bin(path: Path, *, min_bytes: int) -> bool:
+    try:
+        if path.stat().st_size < min_bytes:
+            return False
+    except OSError:
+        return False
+    return _native_magic_ok(path)
+
+
+def _native_candidate_paths(config: dict) -> list[Path]:
+    rels = tuple(config.get("native_bin_rel") or ())
+    if not rels:
+        return []
+    modules = _npm_global_modules()
+    if modules is None:
+        return []
+    out: list[Path] = []
+    plat_pkgs = config.get("native_platform_packages") or {}
+    plat_pkg = plat_pkgs.get(_npm_platform_key())
+    names = (config.get("binary"), *config.get("alt_binaries", ()))
+    if plat_pkg:
+        pkg_dir = modules / plat_pkg
+        for rel in rels:
+            out.append(pkg_dir / rel)
+        for name in names:
+            if not name:
+                continue
+            out.append(pkg_dir / name)
+            if sys.platform == "win32":
+                out.append(pkg_dir / f"{name}.exe")
+    main_pkg = config.get("npm_package")
+    if main_pkg:
+        pkg_dir = modules / main_pkg
+        for rel in rels:
+            out.append(pkg_dir / rel)
+    return out
+
+
+def _native_binary_ok(config: dict) -> bool:
+    """False when a known native package is present but is a stub/wrong OS.
+
+    Unknown layouts (no candidate files) are treated as OK so PATH-only
+    installs are not blocked.
+    """
+    min_bytes = int(config.get("native_min_bytes") or 0)
+    if min_bytes <= 0:
+        return True
+    found = [p for p in _native_candidate_paths(config) if p.is_file()]
+    if not found:
+        return True
+    return any(_looks_like_native_bin(p, min_bytes=min_bytes) for p in found)
+
+
 def _resolve_from_npm_global(config: dict) -> str | None:
     """Look up binary under ``npm prefix -g`` (even when that dir is not on PATH)."""
     names = (config["binary"], *config.get("alt_binaries", ()))
@@ -337,7 +507,7 @@ def _offer_persist_npm_bin(npm_bin: Path) -> None:
     stderr_console.print(
         f"[yellow]{npm_bin}[/yellow] is not on your login PATH.\n"
         f"  Add it to [cyan]{rc}[/cyan] so new terminals find "
-        f"[cyan]claude[/cyan] / [cyan]codex[/cyan]?"
+        f"[cyan]claude[/cyan] / [cyan]dsh[/cyan] / [cyan]codex[/cyan]?"
     )
     try:
         answer = click.prompt(
@@ -424,16 +594,25 @@ def _ensure_agent_hint() -> str:
     )
 
 
+def _npm_install_argv(install_cmd: list[str]) -> list[str]:
+    """``npm install -g <pkg>`` plus flags so platform optional deps resolve."""
+    argv = list(install_cmd)
+    if argv and argv[0] == "npm":
+        argv.extend(_NPM_INSTALL_FLAGS)
+    return argv
+
+
 def _run_install(config: dict) -> str | None:
     """Run ``install_cmd`` and return the resolved binary path, or None."""
     install_cmd = config.get("install_cmd")
     if not install_cmd:
         return None
-    installer = shutil.which(install_cmd[0])
+    argv = _npm_install_argv(list(install_cmd))
+    installer = shutil.which(argv[0])
     if not installer:
         hint = _ensure_agent_hint()
         stderr_console.print(
-            f"[red]{install_cmd[0]} not found[/red] — cannot auto-install "
+            f"[red]{argv[0]} not found[/red] — cannot auto-install "
             f"{config['binary']}.\n"
             "  Run: [cyan]brew install node[/cyan] (or install Node.js), then "
             f"[cyan]{hint}[/cyan]."
@@ -441,12 +620,12 @@ def _run_install(config: dict) -> str | None:
         return None
     stderr_console.print(
         f"[dim]Installing {config['binary']} via[/dim] "
-        f"[cyan]{shlex.join(install_cmd)}[/cyan]"
+        f"[cyan]{shlex.join(argv)}[/cyan]"
     )
     stderr_console.print(
         "[dim]  (npm global install — may take a minute)[/dim]"
     )
-    proc = subprocess.run([installer, *install_cmd[1:]], check=False)
+    proc = subprocess.run([installer, *argv[1:]], check=False)
     if proc.returncode != 0:
         hint = _ensure_agent_hint()
         stderr_console.print(
@@ -456,7 +635,18 @@ def _run_install(config: dict) -> str | None:
         return None
     # Refresh PATH for this process; offer to persist npm bin into shell rc.
     ensure_npm_bin_on_path(persist=None)
-    return _resolve_backend_binary(config)
+    resolved = _resolve_backend_binary(config)
+    if resolved:
+        return resolved
+    pkg = str(config.get("npm_package") or config["binary"])
+    stderr_console.print(
+        "[red]Installed CLI is not a valid native binary for this OS[/red] "
+        "(npm mirrors often ship a 1KB stub or the wrong platform).\n"
+        f"  [cyan]npm uninstall -g {pkg}[/cyan]\n"
+        f"  [cyan]npm install -g {pkg} --registry={_NPM_OFFICIAL_REGISTRY} "
+        "--include=optional --foreground-scripts[/cyan]"
+    )
+    return None
 
 
 def _offer_install(config: dict, *, yes: bool | None = None) -> str | None:
@@ -478,7 +668,7 @@ def _offer_install(config: dict, *, yes: bool | None = None) -> str | None:
         stderr_console.print(
             f"[yellow]{config['binary']} CLI is missing[/yellow] "
             "(needed to launch this agent).\n"
-            f"  Will run: [cyan]{shlex.join(install_cmd)}[/cyan]"
+            f"  Will run: [cyan]{shlex.join(_npm_install_argv(list(install_cmd)))}[/cyan]"
         )
         default = "y" if shutil.which(install_cmd[0]) else "n"
         prompt = (
@@ -555,9 +745,7 @@ def _launch(
     elif backend == "cursor":
         extra = _translate_cursor_extra(extra)
     elif backend == "dsh":
-        # DeepSeek Harness takes --profile <name> before the task; a bare
-        # --resume <id> passes through as-is (profile launcher owns it).
-        pass
+        extra = _translate_dsh_extra(extra)
 
     cmd = [binary, *config["default_args"], *extra]
     if use_tmux: