refactor: simplify startup_script to bare claude command (drop bash header and cd)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

mcp_server.py

@@ -27,10 +27,6 @@ mcp = FastMCP("homelab-tickets")
 
 _HEADERS = {"X-Api-Key": API_KEY, "Content-Type": "application/json"}
 
-# Repo root used in generated startup scripts (cd here before running claude)
-_REPO_PATH = os.environ.get("CORVID_REPO_PATH",
-                             os.path.expanduser("~/Projects/corvid"))
-
 # MCP tool names always included so the agent can read and update its own ticket
 _BASE_TOOLS = [
     "Read",
@@ -72,13 +68,7 @@ def _generate_startup_script(ticket_id: int, human_id: str, title: str,
         f"Start by calling mcp__homelab-tickets__get_ticket({ticket_id}) to read the full "
         f"ticket details, then complete the work and mark the ticket as completed."
     )
-    return (
-        f"#!/usr/bin/env bash\n"
-        f"# Startup script for {human_id}: {title}\n"
-        f"cd {_REPO_PATH}\n"
-        f'claude "{prompt}" \\\n'
-        f'  --allowedTools "{tools_str}"\n'
-    )
+    return f'claude "{prompt}" --allowedTools "{tools_str}"'
 
 
 def _client() -> httpx.Client: