fix(onboard): Windows npx detection & rename /install-skills to /evoskills (#79)

* fix: improve npx detection on Windows using shutil.which

* fix: rename /install-skills command to /evoskills for consistency

EvoScientist/cli/interactive.py

@@ -127,7 +127,7 @@ _SLASH_COMMANDS = [
     ("/skills", "List installed skills"),
     ("/install-skill", "Add a skill from path or GitHub"),
     ("/uninstall-skill", "Remove an installed skill"),
-    ("/install-skills", "Browse and install skills (optional: /install-skills <tag>)"),
+    ("/evoskills", "Browse and install EvoSkills (optional: /evoskills <tag>)"),
     ("/mcp", "Manage MCP servers"),
     ("/channel", "Configure messaging channels"),
     ("/compact", "Compact conversation to free context"),
@@ -771,8 +771,8 @@ def cmd_interactive(
                             _cmd_uninstall_skill(name)
                             continue
 
-                        if user_input.lower().startswith("/install-skills"):
-                            browse_args = user_input[len("/install-skills") :].strip()
+                        if user_input.lower().startswith("/evoskills"):
+                            browse_args = user_input[len("/evoskills") :].strip()
                             _cmd_install_skills(browse_args)
                             continue
 

EvoScientist/cli/skills_cmd.py

@@ -1,4 +1,4 @@
-"""Slash commands for skill management: /skills, /install-skill, /uninstall-skill, /install-skills."""
+"""Slash commands for skill management: /skills, /install-skill, /uninstall-skill, /evoskills."""
 
 from pathlib import Path
 

EvoScientist/cli/widgets/skill_browser.py

@@ -1,4 +1,4 @@
-"""Inline skill browser widget for /install-skills in TUI.
+"""Inline skill browser widget for /evoskills in TUI.
 
 Two-phase keyboard-driven widget:
   Phase 1 — tag picker (arrow keys + Enter to select, or Esc for all)

EvoScientist/commands/implementation/skills.py

@@ -111,9 +111,9 @@ class InstallSkill(Command):
 class InstallSkills(Command):
     """Browse and install skills."""
 
-    name: ClassVar[str] = "/install-skills"
+    name: ClassVar[str] = "/evoskills"
     description: ClassVar[str] = (
-        "Browse and install skills (optional: /install-skills <tag>)"
+        "Browse and install EvoSkills (optional: /evoskills <tag>)"
     )
     arguments: ClassVar[list[Argument]] = [
         Argument(

EvoScientist/config/onboard.py

@@ -7,6 +7,7 @@ workspace settings, and agent parameters. Uses flow-style arrow-key selection UI
 from __future__ import annotations
 
 import os
+import shutil
 import subprocess
 import sys
 from pathlib import Path
@@ -1421,12 +1422,18 @@ _RECOMMENDED_SKILLS = [
 def _check_npx() -> bool:
     """Check if npx is available on the system.
 
+    Uses shutil.which() to resolve the executable path, which correctly
+    finds .cmd/.bat wrappers on Windows (e.g., npx.cmd).
+
     Returns:
         True if npx is found and working.
     """
+    npx = shutil.which("npx")
+    if not npx:
+        return False
     try:
         result = subprocess.run(
-            ["npx", "--version"],
+            [npx, "--version"],
             capture_output=True,
             text=True,
             timeout=10,
@@ -1460,6 +1467,13 @@ def _detect_node_install_method() -> tuple[str, str]:
         except (FileNotFoundError, subprocess.TimeoutExpired):
             pass
 
+    # Windows: winget (built-in on Win 10+) or chocolatey
+    if sys.platform == "win32":
+        if shutil.which("winget"):
+            return "winget", "winget install OpenJS.NodeJS.LTS"
+        if shutil.which("choco"):
+            return "choco", "choco install nodejs-lts -y"
+
     return "manual", "https://nodejs.org"
 
 
@@ -1472,9 +1486,11 @@ def _install_node(method: str, command: str) -> bool:
     if method == "manual":
         return False
 
+    parts = command.split()
+    exe = shutil.which(parts[0]) or parts[0]
     try:
         proc = subprocess.run(
-            command.split(),
+            [exe, *parts[1:]],
             capture_output=True,
             text=True,
             timeout=120,