morshu-server: use resolved absolute paths and pass env properly

ttstoy/ttstoy.py

@@ -523,6 +523,10 @@ class TtsToy(Cog):
                 log.info("Morshu server already running")
                 return True
 
+            if not self.morshu_dir.exists():
+                log.error(f"Morshu server directory not found: {self.morshu_dir}")
+                return False
+
             server_py = self.morshu_dir / "server.py"
             if not server_py.exists():
                 log.error(f"Morshu server not found: {server_py}")
@@ -533,7 +537,7 @@ class TtsToy(Cog):
 
             self.morshu_process = await asyncio.to_thread(
                 subprocess.Popen,
-                [sys.executable, "server.py"],
+                [sys.executable, str(server_py)],
                 cwd=str(self.morshu_dir),
                 env=env,
                 stdout=subprocess.PIPE,
@@ -541,10 +545,18 @@ class TtsToy(Cog):
                 text=True
             )
 
+            # Wait for server to start
             await asyncio.sleep(3)
 
+            # Check if it's still running
             if self.morshu_process.poll() is not None:
-                log.error("Morshu server failed to start")
+                stderr = self.morshu_process.stderr.read()
+                stdout = self.morshu_process.stdout.read()
+                log.error(f"Morshu server failed to start (exit {self.morshu_process.returncode})")
+                if stderr:
+                    log.error(f"Morshu stderr: {stderr}")
+                if stdout:
+                    log.error(f"Morshu stdout: {stdout}")
                 return False
 
             log.info(f"Morshu server started on port {self.morshu_port}")